Tekno RC NT48.3 Building Instructions
- Category
- Remote controlled toys
- Type
- Building Instructions
This manual is also suitable for
Introduction
Disclaimer: Tekno RC is not responsible or liable for any property or personal damage, loss, or
injury incurred as a result of using this product. This kit is meant for use by persons 14 years of
age or older and in the strict connes of a legally permitted RC track or facility.
Warnings: Always double-check that your radio gear is working properly before operating vehicle.
Never operate the vehicle indoors (unless the RC track is an indoor facility). Use caution while
operating vehicle so as not to collide with people who may be turn marshalling or who might
otherwise not be aware that a fast moving RC vehicle is in the vicinity.
Warranty: We warrant that the parts included in this kit are free from defects. If you nd a
defective part in your kit, please contact us @ [email protected] and we will help you to resolve
the issue. We do not warranty parts that may be broken during operation of the vehicle or
otherwise. Refer to the end of this instruction manual for a listing of spare/replacement and
option parts. All spare parts and other info are available on our website (www.teknorc.com)
and through our network of domestic and international dealers and distributors.
Additional equipment and parts needed:
2/3 channel surface radio transmitter and receiver
High torque steering and brake servo (at least 300 oz/in)
RX battery, switch harness
.21 nitro engine, tuned pipe, manifold, and glow plug
Fuel bottle, fuel, 1/8th starter box, and glow ignitor
1/8th scale truggy tires, wheels & CA glue
Paint for body
Tools needed:
Hex drivers 1.5mm (TKR1104), 2.0mm (TKR1105), 2.5mm (TKR1106)
Nut drivers 5.0mm (TKR1107, 5.5mm (TKR1108), 7.0mm (TKR1109)
17mm Wheel Wrench (TKR1116)
Pivot Ball and Shock Multi-tool (TKR1115, for shock assembly)
4mm and 5mm turnbuckle wrench (TKR1103)
Hobby knife
Needle-nose pliers
4mm arm reamer
Lexan Body Scissors
Thank you for purchasing the Tekno RC NT48.3 1/8th 4WD Nitro Competition Truggy. The NT48.3
represents the state-of-the-art in 1/8th nitro truggy technology. We hope you have as much fun
driving your new vehicle as we did developing it. We are always working on new projects, so please
check our website (www.teknorc.com) regularly for the latest news, parts, and kits. Thanks again.
Apply grease to the groove
where the o-ring is placed
as well as the o-ring itself
Apply grease to the groove in the outdrive
Fill with 10,000 wt oil to
1mm below full
DO NOT OVER FILL
TKR5145B
TKR5144
Bag A
Front Differential
(overview)
TKR5403
TKR5149
TKR5150
TKR5150
TKR5143
TKR5113
TKR1325
M3x14mm Flat Head Screw
x4
TKR5144
TKR5145B
TKRBB08165
Ball Bearing(8x16x5mm)
x2
TKR5144
Differential 0-rings
x2
TKR5145B
Differential Shims (6x17mm)
x2
TKR1325 x4
TKR5149
TKRBB08165
Diff
Oil
A
A
pp
ly
grease to t
h
e groov
e
where the o-rin
g
is plac
ed
a
s well as the o-rin
g
itself
Apply grease to
t
t
he groove in the outdriv
e
Fill with 10,000
w
w
t oil to
1mm
b
el
ow
w
f
u
l
l
DO NOT OVE
R
R
FIL
L
T
KR5145B
T
KR51
44
TKR
5
14
4
T
KR
5
1
4
5B
TKR132
5
x4
TKR51
49
T
KRBB0816
5
Diff
Oil
TKR5114X
TKR5114X
TKR5150
TKR5144
3
Grease
Grease
Grease
Grease
Step
A-2
Step
A-1
Step
A-4
Step
A-3
*TKR5149A
(Option)
*TKR5149A
(Option)
Apply a liberal
amount of grease in the
areas between the shims
and o-rings, as well as
around the outdrive and
both sides of the seal
TKR1325
M3x14mm Flat Head Screw
x4
TKRBB08165
Ball Bearing(8x16x5mm)
x2
TKR5144
Differential 0-rings
x2
TKR5145B
Differential Shims (6x17mm)
x2
TKR5112X
TKR5112X
TKR5113
TKR5119
TKR5143
TKR5149
TKR5150
TKR5150
Grease
Grease
Grease
Grease
Gre
a
se
G
r
e
a
s
e
G
reas
e
G
re
a
s
e
Bag B
Center Differential
(overview)
Step
B-1
Step
B-3
Step
B-4
Step
B-2
Diff
Oil
4
TKRBB08165
TKR5119
TKR5145B
TKR1325 x4
TKR5144
TKR5143
TKR5150
TKR5144
TKR5145B
TKR5150
Apply a liberal
amount of grease in the
areas between the shims
and o-rings, as well as
around the outdrive and
both sides of the seal
Apply grease to the groove
where the o-ring is placed
as well as the o-ring itself
Apply grease to the groove in the outdrive
Fill with 10,000 wt oil to
1mm below full
DO NOT OVER FILL
TKR5149
*TKR5149A
(Option)
*TKR5415B
(Option)
*TKR5415B
(Option)
*TKR5149A
(Option)
TKR1325
M3x14mm Flat Head Screw
x4
TKRBB08165
Ball Bearing(8x16x5mm)
x2
TKR5144
Differential 0-rings
x2
TKR5145B
Differential Shims (6x17mm)
x2
TKR5114X
TKR5114X
TKR5113
TKR5404
TKR5143
TKR5149
TKR5150
TKR5150
Grease
Grease
Grease
Grease
Apply grease to the groove
where the o-ring is placed
as well as the o-ring itself
Apply grease to the groove in the outdrive
Fill with 5000 wt oil to
1mm below full
DO NOT OVER FILL
*TKR5149A
(Option)
TKR5149
*TKR5149A
(Option)
G
re
a
se
Grease
G
reas
e
G
re
a
s
e
A
ppl
y
y
grease to the groove
w
h
ere t
h
e o-ring is p
l
ace
d
as
w
w
ell as the o-ring itsel
f
A
pp
l
y grease to t
h
e groove i
n
n
t
h
e out
d
rive
l h h d
F
i
ll
wit
h
5000 wt oi
l
to
1
mm below
f
ull
DO
N
O
T
O
VER FILL
TKR51
49
*
TKR51
49
A
(Option
)
Bag C
Rear Differential
(overview)
Step
C-1
Step
C-3
Step
C-4
Step
C-2
Diff
Oil
5
TKRBB08165
TKR5404
TKR5145B
TKR1325 x4
TKR5144
TKR5143
TKR5150
TKR5144
TKR5145B
TKR5150
Apply a liberal
amount of grease in the
areas between the shims
and o-rings, as well as
around the outdrive and
both sides of the seal
TKR1525TKR1525TKR1525TKR1525
TKR5012
TKR5012
TKR5428
TKR5075
TKR5405
Front
Rear
TKR1603
TKRBB05114
TKRBB05114
TKR5405
TKR1222
TKR1222
TKR1525TKR1525
TKR1529
TKR1222
TKRBB05114
TKR1222
TKR1525 x6
TKR5401
TKR1226
TKR1226
TKR5075
TKRBB05114
TKR1525
M3x14mm Cap Head Screw
x6
TKRBB05114
Ball Bearing (5x11x4)
x2
x2
TKR1222
13x16x0.1mm Diff shim
TKR1529
TKR1603
Grease
Note: at spot
Note: at spot
TKR1603
M5x4mm Set Screw
x1
TKR1529
M3x20mm Cap Head Screw
x2
TKR1525
TKR1525TKR1525TKR1525TKR1525TKR1525TKR1525
TK
R1
5
TK
R1
5
TK
R1
5
TK
R1
5
TK
R1
5
TK
R1
5
TK
R1
5
Fron
nt
Rear
TKRBB0
5
11
4
4
TKR
BB0
511
0
5
T
KR54
0
TKR1222
TKR
1
222
TKR152
5
TKR1525
T
KR152
9
T
TKR122
6
TKR5075
TKR1603
G
re
a
s
e
p
e
: at s
p
o
t
N
ot
e
p
at
sp
otNote:
Bag D
Front Gearbox
(overview)
Step
D-1
Step
D-2
Step
D-3
6
Thread
Lock
TKR1226
5x7x0.2mm shim
x1
Note: TKR1222 - The gear mesh should be as close as possible without any binding. Test the tment of the di
with both TKR1222 shims on the gear-side of the di. If the di turns freely without binding, continue to next
step. If the di binds and does not turn freely (it will make a grinding or crunching sound when spun), remove
one TKR1222 shim from the gear side and install it onto the other side of the di. Reassemble and test the mesh
again. If it is still binding, remove the second TKR1222 shim from the gear side and install it onto the other side
of the di. When you are satised that you have the best gear mesh possible continue to the next step.
Note: The front and rear of
the car use dierent inner
bulkheads.
The front is angled
whereas the rear is oset
and only slightly angled.
TKR5213A
TKR5213A
TKR1522
TKR5310
TKR5368
TKR5345B
TKR1522
TKR5213A
TKR5314B
TKR1601
TKR1601
TKR5310
TKR5336B
TKR5362
TKR5310
TKR5368
TKR5336B
TKR5345B
TKR5310
TKR1402
TKR5338
TKR1402
TKR5368
TKR5314B
TKR5314B
TKR5310
TKR5310
CA
glue
Note:
Use CA
glue to attach riser
to di brace bottom
TKR5310
Rear Front
TK
R
R5
2
1
3
A
CA
glue
N
ote:
U
se
CA
glue to attach riser
to di brace bottom
TKR
5
310
R
e
a
r Fr
o
nt
Bag E
Center Differential Assembly
(overview)
Step
E-1
Step
E-3
Step
E-4
Step
E-2
7
TKR1522
TKR5310
TKR1322
TKR1522
TKR5215B
TKR5336B
TKR1601
TKR5346
TKR1322
Pre-thread all brake
post holes with a
separate M3 screw
Note: Tighten brake posts
(TKR5213A) all the way
down, then back o 1/2
TURN. You may need to
adjust this gap after the
brake parts have broken in.
Note: Orientation of the brake
cams TKR5215B. The rear cam
should be pointing up & the front
cam should be pointing down.
TKR1322
M3x8mm Flat Head Screw
X2
TKR1402
M3x8mm Button Head Screw
x4
TKR1522
M3x8mm Cap Head Screw
x4
TKR1601
M3x4mm Set Screw
x2
Thread
Lock
Note: Brake lever alignment
4mm
CA
glue
Note: Use CA
glue to attach
risers to di support bottoms
TKR5075
TKR5316
TKR5316
TKR5401
TKR5429
TKR1222
TKR1222
TKR1525
TKR1529
TKR1222
TKR1529
TKR1525
M3x14mm Cap Head Screw
x4
TKRBB05134
Ball Bearing (5x13x4)
x2
TKR1529
M3x20mm Cap Head Screw
x2
TKR1222
13x16x0.1mm Diff Shim
x2
TKRBB05134
TKRBB05134
TKR5405
TKRBB05134
TKR1603
TKR1603
TKR1525TKR1525
Grease
Front
Note: at spot
Rear
Note: at spot
TKR1525
TKR1525
TKR1222
TKR1226
TKRBB05134
TKR1603
M5x4mm Set Screw
x1
TKR1226
5x7x0.2mm shim
x1
TKR1222
TKR1
1222
5
2
5
T
KR
15
1
529
T
KR
TKRBB0513
4
0513
4
T
KRBB
K
R
5
40
5
T
K
T
KR1603
T
KR1
5
2
5
TKR1525
T
T
Grease
Fron
Fro
n
nt
p
at
sp
o
t
N
ote:
Rear
p
e
:
at s
p
otNo
te
Bag F
Rear Gearbox
(overview)
8
Step
F-1
Step
F-2
Note: TKR1222 - The gear mesh should be as close as possible without any binding. Test the tment of the di
with both TKR1222 shims on the gear-side of the di. If the di turns freely without binding, continue to next
step. If the di binds and does not turn freely (it will make a grinding or crunching sound when spun), remove
one TKR1222 shim from the gear side and install it onto the other side of the di. Reassemble and test the mesh
again. If it is still binding, remove the second TKR1222 shim from the gear side and install it onto the other side
of the di. When you are satised that you have the best gear mesh possible continue to the next step.
Step
F-3
Thread
Lock
Note: The front and rear of
the car use dierent inner
bulkheads.
The front is angled
whereas the rear is oset
and only slightly angled.
TKR5405
TKR1226
TKR5075
TKR1529
TKR1201
TKR1221
TKR1221
TKR1201
TKR1529
TKR1529
M3x20mm Cap Head Screw
x4
TKR1524
M3x12mm Cap Head Screw
x6
TKR1201
M3 Lock Nut Black
x2
TKR1221
M3x8mm Washer
x2
Step
G-1
Step
G-2
TKR1524
TKR1524
TKR5181
TKR
1
52
9
TKR1201
T
KR1221
T
KR
1
22
1
TKR1201
TKR152
9
Step
G
-
1
Step
G
-
2
TKR152
4
TKR1524
TK
R
TKR518
1
Bag G
Low Profile Wing Mount
9
SETTINGS
12
34
12
34
POSITION SETTINGS
1 - REARWARD LOW 2 - FORWARD LOW
3 - REARWARD HIGH 4 - FORWARD HIGH
DOWNFORCE SETTINGS
(downforce angles)
Note: Stock position setting is
# 3, Rearward High
Note: Stock downforce setting is 4
°
4
°
7
°
10
°
Stock Position
(”D” Block)
Stock Position
(”C” Block)
30.2
TKR1601
TKR1601
TKR1601
TKR5086
TKR5493 - 2.6mm
TKR5086
Install the sway bar ball onto the
sway bar wire until the end of
the wire is ush with the ball as
picture above.
Note: Loosen the M3x4 set screw (TKR1601)
if
the anti-roll bar does not
turn freely.
Note: Do not over-tighten
TKR5049A
TKR5163
TKR5164
TKR5165
TKR5430
TKR1601
TKR5079A
TKR1522
TKR1522
M3x8mm Cap Head Screw
x2
Bag H
Rear End
*TKR5490 - 2.3mm
*TKR5491 - 2.4mm
*TKR5492 - 2.5mm
*TKR5494 - 2.8mm
*TKR5495 - 3.0mm
(Option)
30.2
T
TKR1601
KR1601
TK
T
KR1
6
0
1
T
KR508
6
TKR5493 - 2.
6
mm
TKR
5
08
6
swa
y
bar ball onto the
I
nstall the
wire until the end of
s
wa
y b
ar
s
ush with the ball as
t
he wire
is
i
cture above
.
p
i
M
3x4 set screw
(
TKR1601
)
N
ote: Loosen t
h
e M
if
a
r
do
es n
o
tthe
a
nti-r
o
ll
b
a
t
urn freely.
N
N
ote: Do not over-ti
g
hten
TKR50
49A
TKR
5
1
63
6
4
T
KR
5
1
TK
R5
16
5
TK
R5
43
0
TKR160
1
TKR5079A
5
22TKR
1
5
Bag H
Rear End
*TKR5
49
0 - 2.3mm
*TKR54
9
1 - 2.4mm
*TKR5492 - 2.5mm
*TKR5
494
- 2.8mm
*TKR54
9
5 - 3.0mm
(
Option
)
Thread
Lock
Thread
Lock
10
TKR1327
TKR1333
M3x40mm Flat Head Screw
x2
TKR1238
M4x10mm Droop Screw
x2
TKR5049A
Pivot Ball Sway Bar
x2
TKR5079A
Stabilizer Ball
x2
TKR1529
M3x20mm Cap Head Screw
x2
TKR1327
M3x16mm Flat Head Screw
x2
TKR1333TKR1333
TKR1238
TKR1529
S
t
o
c
k
P
o
siti
o
n
”
D” Block
)
(”
o
ck Position
S
t
o
”C” Bl k)
(”
(”C” Block)
TKR1601
M3x4mm Set Screw
x6
Step
H-1
Step
H-2
Step
H-3
TKR5020
TKR5165
Note: With these stock
center dot settings,
Anti-Squat = 2° / Rear Toe = 3°
Use a #19 drill bit or
4mm reamer to ream
arms until hinge pin
falls through freely.
TKR5472
TKR5073
TKR5070
TKR5073
TKR5034
TKR1601
TKR1201
TKR1201
TKR5165
Grease
Step
I-1
Step
I-2
Changes to the wheelbase have a dramatic eect on handling,
since it shifts the disribution of weight over the rear wheels.
This adjusts traction. By shortening the wheelbase at the rear, you
are placing more weight over the rear wheels.
Changes to the wheelbase also change the amount of sweep the
rear driveshaft will have. More driveshaft sweep creates an eect
similar to anti-squat, where the rear end gets pushed upwards on
throttle. This helps reduce chassis slap when landing jumps on throttle.
(FRONT)
(REAR)
Bag I
Rear Hub/CVA Assembly
TKR54
7
2
TKR507
3
TK
R5
07
0
TKR5073
TKR
5
03
4
TKR160
1
TK
R1
20
1
TKR1201
T
KR5165
G
rease
S
te
p
I
-
1
S
te
p
I
-
2
Bag I
Rear Hub
/
CVA Assembl
y
11
Thread
Lock
Note: Notch on pin
needs to line up
with set screw.
TKR5199
TKRBB13194
TKRBB08165
TKR5071
(Option)
*TKR5071B
*TKR5071C
*TKR5071X
(Option)
*TKR5199A
TKR1603
TKR5073
CV Joint Pin
x2
TKR1201
M3 Locknut Black
x4
TKR1603
M5x4mm Set Screw
x2
TKRBB13194
Ball Bearing (13x19x4)
x2
TKRBB08165
Ball Bearing (8x16x5)
x2
TKR5071
M3x16.8mm Pin
x2
TKR1601
M3x4mm Set Screw
x4
TKR5187
TKR5450
TKR5052A
This side
mounts on hub
Note: no ange
This side mounts
on shock tower
Note: ange
TKR5053A
71.50
Note: notch always goes
on
left side of vehicle
TKR1529
TKR1201
Right
Left
TKR1201
TKR1529
This side mounts
on shock tower
Note: ange
TKR5052A
TKR5053A
This side
mounts on hub
Note: ange
TKR5450
TKR5187
TKR5187
TKR5187
Step
I-3
Step
I-4
Bag I
Rear Camber Links
TKR518
7
TKR54
5
45
0
TKR5052A
T
his sid
e
mounts on
h
u
b
N
ote: no
an
g
e
This side mo
mo
unt
s
on shock tower
wer
Note:
an
g
e
TKR5053A
71.50
71.50
N
ote: notc
h
a
l
wa
y
s goes
on
left side of vehicle
T
KR152
9
T
KR
1
2
0
01
Right
Rig
eft
Left
TKR120
1
TKR
1
52
9
T
h
is si
d
e mounts
o
n s
h
oc
k
tower
Note: an
ge
TK
TKR5052A
TKR5053A
This side
ide
mounts on hub
b
N
ote:
an
ge
TKR545
45
0
TKR5187
T
TKR518
7
TKR5
1
8
7
Step
I
-
3
Step
I
-
4
Bag I
Rear Camber Link
s
12
TKR1201
M3 Locknut Black
x4
TKR1529
M3x20mm Cap Head Screw
x4
TKR5053A
Pivot Ball M3x6.8mm
No Flange
x2
TKR5052A
Pivot Ball M3x6.8mm
x2
A
B
C
Stock position is 6/B
D
1
2
3
4
5
6
Use a #19 drill bit or
4mm reamer to ream
arms until hinge pin
falls through freely.
Stock Position
(”B” Block)
Stock Position
(”A” Block)
30.2
TKR1601
TKR1601
TKR1601
TKR5086
TKR5482 - 2.5mm
TKR5086
Install the sway bar ball onto the
sway bar wire until the end of
the wire is ush with the ball as
picture above.
Loosen the M3x4 set screw
(TKR1601) if
the anti-roll bar
does not
turn freely.
Note: Do not over-tighten
TKR1601
TKR5165
TKR1522
TKR1522
TKR1522
M3x8mm Cap Head Screw
x2
Bag J
Front End
*TKR5480 - 2.3mm
*TKR5481 - 2.4mm
*TKR5483 - 2.6mm
*TKR5484 - 2.8mm
*TKR5485 - 3.0mm
(Option)
U
se
a
#19
d
rill
b
it
or
4
mm re
a
mer t
o
re
a
m
a
rms until hin
g
e pi
n
f
alls through
f
reely.
k
P
o
siti
o
nSt
o
c
k
” Block)
(”
B”
( B Block)
St
o
c
k
P
o
siti
o
n
(”
A” B
l
oc
k
)
30.2
T
K
K
R1
6
01
TKR1601
T
KR1
6
01
8
6TKR50
8
T
KR
54
82 - 2.
5
m
m
T
KR508
6
ay
b
ar
b
a
ll
onto t
h
e
I
nsta
ll
t
h
e sw
a
r
e until the end o
f
s
way bar wi
r
u
sh with the ball as
t
he wire is
u
u
re above
.
pict
u
s
en t
h
e M3x4 set scre
w
Loo
s
R
1601
)
i
f
(
TK
R
the
a
nti-r
o
ll
ba
r
does not
d
t
urn freel
y
.
N
o
o
te: Do not over-ti
g
hte
n
TK
R1
60
1
T
KR5165
TKR
15
22
T
KR
15
2
2
Bag J
Front End
*
TKR
5
480 - 2.3m
m
*
TKR5
4
81 - 2.
4
m
m
*
TKR5483 - 2.6m
m
*
TKR
5
484 - 2.8m
m
*
TKR5
4
85 - 3.0m
m
(
Option
)
Thread
Lock
Thread
Lock
13
TKR1327
TKR1333
M3x40mm Flat Head Screw
x2
TKR1238
M4x10mm Droop Screw
x2
TKR5049A
Pivot Ball Sway Bar
x2
TKR5079A
Stabilizer Ball
x2
TKR1529
M3x20mm Cap Head Screw
x2
TKR1327
M3x16mm Flat Head Screw
x2
TKR1333
TKR1238
TKR1529
TKR5020
TKR1601
M3x4mm Set Screw
x6
Step
J-1
Step
J-2
Step
J-3
TKR5162
TKR5161
TKR5436
TKR5056
TKR5149A
TKR5165
TKR5165
Note: With these stock settings,
Kick Up = 8.5° / Arm Sweep = 0°
For reference, with center dot
inserts in both braces,
Kick Up = 10° / Arm Sweep = 0°
TKR5079A
TKR5472
TKR5193
TKR5054A
TKR1445
TKRBB08165
TKR5194
TKR5070
TKR1447
TKR1447
TKR1601
TKR1601
TKR1601
TKRBB13194
TKR1221
TKR1401
TKR1445
TKR5054A
Spindle Pin Sleeve
x4
TKR5055A
Suspension Pin Sleeve
x4
Grease
TKR5073
TKR5073
Step
K-1
Step
K-3
Step
K-2
Thread
Lock
TKR5071
TKR1603
(Option)
*TKR5071B
*TKR5071C
*TKR5071X
TKR1445
M4x14mm Button Head Screw
x4
TKR1447
M4x16mm Button Head Screw
x4
TKR5073
CV Joint Pin
x2
TKR1603
M5x4mm Set Screw
x2
TKRBB13194
Ball Bearing (13x19x4)
x2
TKRBB08165
Ball Bearing (8x16x5)
x2
TKR5071
M3x16.8mm Pin
x2
TKR1601
M3x4mm Set Screw
x8
TKR5055A
Note: The steering stops provide adjustable
travel limiters that you can adjust to your
driving style. For very tight tracks you may
want to experiment with less limiting washers
(more steering travel). However, with too
much steering travel the rear end can lose
traction more easily coming out of corners.
After months of testing on dierent track
surfaces, 1 washer is the best starting point.
TKR1401
M3x6mm Button Head Screw
x2
Note: The TKR1601 set screws are meant to keep the TKR1445 screws from coming loose. After installing TKR1445
and ensuring the steering action is free, install TKR1601 in the locations indicated. Very slowly tighten the screws
until you feel some resistance from contacting the TKR1445 screws. DO NOT OVERTIGHTEN. Also be sure to loosen
TKR1601 before unscrewing TKR1445 or you will damage the screws and the parts.
TKR54
7
2
TKR5
1
9
3
TKR
5
0
54A
TKR1
445
T
KRBB08165
TKR51
94
T
KR50
70
T
KR1
44
7
T
KR144
7
TKR1601
TKR1601
TK
R1
60
1
TKRBB1319
4
TKR1221
TKR1
4
0
1
TKR144
5
G
rease
TK
R5
07
3
TKR5073
Ste
p
K
-
1
S
te
p
K
-
3
Step
K-
2
ad
T
hre
ck
Lo
c
TKR507
1
TKR1603
(
Option
)
B
*
TKR50
7
1
C*TKR50
71
X
*TKR5071
TKR
5
0
55A
Note: T
h
e steering stops provi
d
e a
d
justa
bl
e
travel limiters that you can adjust to your
driving style. For very tight tracks you ma
y
w
ant to experiment wit
h
l
ess
l
imiting was
h
ers
(
more steering trave
l
). However, wit
h
too
muc
h
steerin
g
trave
l
t
h
e rear en
d
can
l
os
e
traction more easily coming out o
f
corners
.
A
fter months of testing on dierent trac
k
surfaces, 1 washer is the best starting point.
sur
fac
es,
1
was
e
Note: The TKR1601 set screws are meant to keep the TKR1445 screws
f
rom comin
g
loose. A
f
ter installin
g
TKR1445
and ensuring the steering action is free, install TKR1601 in the locations indicated. Very slowly tighten the screw
s
until you feel some resistance from contacting the TKR1445 screws. DO NOT OVERTIGHTEN. Also be sure to loosen
TKR1601 before unscrewing TKR1445 or
y
ou will damage the screws and the parts.
Bag K
Front Spindle / CVA Assembly
14
Note: notch on pin
needs to line up
with set screw.
TKR1221
M3x8mm Washer
x8
Note: The TKR1601 set screws are meant to keep the TKR1447 screws from coming
loose. After installing TKR1447 and ensuring the steering action is free, install TKR1601
in the locations indicated. Very slowly tighten the screws until you feel some resistance
from contacting the TKR1447 screws. DO NOT OVERTIGHTEN. Also be sure to loosen
TKR1601 before unscrewing TKR1447 or you will damage the screws and the parts.
TKR1529
TKR1201
TKR1529
TKR1201
TKR1201
M3 Lock Nut Black
x4
TKR1529
M3x20mm Cap Head Screw
x4
TKR5052A
Pivot Ball M3x6.8mm
x2
TKR5053A
Pivot Ball M3x6.8mm
No Flange
x2
TKR5187
TKR5451
TKR5187
TKR5052A
TKR5053A
Right
TKR5187
This side
mounts on hub
Note: no ange
This side
mounts on hub
Note: no ange
This side mounts
on shock tower
Note: ange
This side mounts
on shock tower
Note: ange
TKR5187
Left
TKR5451
TKR5053A
TKR5052A
Step
K-5
Step
K-4
63.00
Note: Notch always goes
on
left side of vehicle
Bag K
Front Camber Links
T
KR
1
52
9
T
KR120
1
T
KR152
9
TK
R1
20
1
TKR518
7
TKR5451
5
1
T
KR5
1
87
5052A
TKR
TKR5053A
R
i
g
h
t
187
TKR518
This si
de
mounts on hub
Note: no ange
e
T
h
is s
ide
m
ou
nts
o
n h
ub
N
ote: no ange
T
h
i
s s
i
d
e
mo
unt
s
o
n s
h
oc
k
towe
r
Note: an
g
e
This side mounts
Thi id
o
n sh
o
ck t
o
wer
Note:
ange
TKR5
1
8
7
Le
f
t
TKR
5451
TKR5053A
2A
TKR5052A
S
te
p
K-
5
S
te
p
K-
4
63
.
00
6
3
0
0
Note: Notch always goes
o
n
l
e
f
t side o
f
vehicl
e
Bag K
Front Camber Link
s
15
Stock position is 4/B
1
2
3
4
5
6
A
B
TKR1323
TKRBB050825
TKRBB050825
Note: Apply
a small drop
of oil for
easy o-ring
installation.
Note: Tighten nut all the way down,
then back it o 3 full turns
Stock Position
(is REAR hole)
TKR5100
TKR5056
TKR5123
TKR5052A
TKR5104
TKR5101X
TKR5231
TKR1201
TKRBB06103
TKRBB06103
TKR1529
Note: Stock bumpsteer setting is
4
washers over the steering ball link.
4 x TKR1221
TKR1221
TKRBB06103
TKRBB050825
TKR5104
TKR5122
TKR5104
TKR1529
TKR1221
TKR5103
TKR5103
TKR1201
TKRBB06103
TKR5052A
TKR1323
M3x10mm Flat Head Screw
x2
TKR1201
M3 Lock Nut Black
x2
O-ring 16x12x2
TKR5231
x1
TKRBB06103
Ball Bearing (6x10x3)
x4
TKRBB050825
Ball Bearing (5x8x2.5)
x4
TKR1529
M3x20mm Cap Head Screw
x2
TKR5052A
Pivot Ball M3x6.8mm
x4
TKR1221
M3x8mm Washer
x8
TKR5052A
TKR5052A
TKR5052A
Thread
Lock
Thread
Lock
Thread
Lock
Right
Left
Step
L-1
Step
L-2
Step
L-3
Step
L-4
TKR
1
20
1
TKRBB0
6
10
3
TKR
BB0
610
3
TKR
1
52
9
TK
R1
22
1
TKR1323
3
K
RBB0
5
082
5
T
K
TKRBB050825
Note: Appl
y
a sma
ll
d
ro
p
of
o
il
fo
r
e
asy o-rin
g
insta
ll
ation
.
Note: Tig
h
ten nut a
ll
t
h
e wa
y
d
own,
t
hen
ba
ck it
o
3
f
u
ll t
u
rns
T
KR512
2
TKR510
4
TKR
5
10
3
52A
TKR5052
TKR5052
52A
TKR5052A
TKR5052A
T
h
rea
d
L
oc
k
Thre
ad
L
oc
k
rea
d
T
h
oc
k
L
Right
ht
L
eft
Step
L-
1
Step
L
-
2
Step
L
-
3
Step
L
-
4
Bag L
Steering Assembly
(overview)
16
Note: Stoc
k
b
umpsteer setting is
4
w
ashers over the steerin
g
ball link.
4
x TKR122
1
Stoc
k
Position
(
is REAR
h
o
l
e
)
77.70
Note: Notch always
goes on
the left side of the
vehicle
TKR1443
TKR5102A
TKR1522
TKR5166
TKR1443
TKR1344
TKR1343
TKR5362
TKR1522
M3x8mm Cap Head Screw
x1
TKR1343
M4x10mm Flat Head Screw
x2
TKR1344
M4x12mm Flat Head Screw
x6
TKR1201
M3 Lock Nut Black
x2
TKR1443
M4x10mm Button Head Screw
x5
TKR1529
M3x20mm Cap Head Screw
x2
TKR1221
M3x8mm Washer
x8
Step
M-3
Step
M-1
Step
M-2
Thread
Lock
Thread
Lock
Note Step K-2:
Line up the bottom of the
steering posts (TKR5102A)
with the corresponding
recessed cut in the
chassis
.
TKR1344
TKR1201
TKR1443
Note: On steps M-2 and M-3, do not
tighten the
screws all the way down until
the assembly steps are complete. Position
the entire front assembly on the chassis
and tighten each screw evenly.
TKR1529
TKR1221
Note: Inititial bumpsteer setting
is four
washers below the steering ball link.
TK
R1
44
3
T
K
R5
102A
TK
R
R
152
2
TKR516
6
TKR1443
TKR13
44
TKR13
43
TKR5362
Step
M-
3
Step
M-
1
Step
M
-
2
T
hre
ad
L
o
ck
Th
rea
d
Loc
k
Note
S
tep K-2
:
Line u
p
the bottom of th
e
steering posts (TKR5102A)
w
it
h
t
h
e correspon
d
in
g
r
ecesse
d
c
u
t in the
r
ch
assis
.
TKR1344
TKR1344
T
KR
1
20
1
T
KR1
44
3
Note: On steps M-2 and M-3, do not
tig
hten the
s
crews a
ll
t
h
e
way
d
own unti
l
the assembly steps are complete. Position
t
he entire front assembly on the chassi
s
a
n
d
tig
h
ten eac
h
screw even
l
y.
TKR152
9
T
KR
1
22
1
Note: Inititia
l
b
umpsteer settin
g
i
s
fou
r
washers belo
w
w
the steerin
g
ball link
.
Bag M
Front End Assembly
17
TKR5377
TKR1443
TKR1343
TKR5362
TKR1344
TKR5362
TKR1344
TKR5476
TKR1343
M4x10mm Flat Head Screw
x4
TKR1443
M4x10mm Button Head Screw
x2
TKR1344
M4x12mm Flat Head Screw
x9
Step
N-1
Step
N-2
TKR5407
Note: Two rear chassis braces are included in
the kit. The longer brace is the stock brace.
The short brace is optional. The longer brace
will provide less ex. Adding the short brace
will further stien the chassis. Running only
the short brace will provide the most ex.
TK
R5
37
7
TKR1443
TKR1443
TKR134
3
TKR5362
TKR1344
TKR1344
TKR
5
3
6
2
T
KR1344
T
KR54
76
S
te
p
N
-
1
S
te
p
N
-
2
T
KR540
7
N
o
te
:
Tw
o
re
a
r c
ha
ssis
b
r
a
ces
a
re inc
lude
ed
in
the kit. The lon
g
er brace is the stock br
a
a
ce
.
T
he short brace is optional. The lon
g
er
b
b
rac
e
w
ill provide less ex. Adding the short
b
b
rac
e
will
f
urther sti
en the chassis. Running
o
o
nl
y
the short brace will provide the most
ex.
Bag N
Center/Rear Assembly
18
*TKR5377A
(Option)
*TKR5476A
(Option)
19
Shock Filling Instructions
For both front and rear shocks
The following steps and information will provide you with the best way to ll and bleed your
shocks. After thorough testing, we've found it's easiest to complete steps 1 through 3 on each
shock before moving onto step 4. By the time you've nished step 3 on the last shock the rst
one will be ready for step 4.
Standard or Vented Cap Build:
Step 1: Extend the shock shaft all the way down. Fill the shock with oil until the it is about 90% full.
Step 2: Slowly pump the shock shaft up and down 3-5 times to release air bubbles from underneath
the piston.
Step 3: Let the shock rest vertically with the shock shaft fully extended for ve minutes or until all
the air bubbles have released.
Step 4: Next you will top o the shock with oil, to about 1-2mm below the top edge.
(If you do overll the shock, it won’t hurt performance, it will just spill out and make a little bit of a
mess. If you underll the shock, it will cause air to be trapped inside.)
Step 5: Place the bladder INSIDE the shock cap and put a few drops of oil on the bladder.
Step 6: Put a paper towel down below the build to catch drips and have another ready to
wipe o excess oil. Place the cap on the shock and screw down about half way. Lay the shock
over about 45 degrees with the bleeder hole facing up.
Step 6A: (Standard non-vented “Stock”) Push the shaft in for the amount of rebound desired.
Step 6B: (Vented) Push the shaft in until about 15mm of shaft is showing.
tMake sure that you match the rebound amount between the left and right shocks.
tOil should be oozing out of the bleeder hole.
Step 7: Hold the cap rmly in place with the bleeder hole facing up and turn the shock body until
hand tight. The shock will continue to ooze oil.
Step 8: Fully tighten down each shock with shock tools until cap is secure and wipe excess oil away.
Emulsion Build:
Prep your shock caps TKR6018 (optional for NT48) accordingly by drilling out the large angled
bleeder hole in the top of the cap. Place the larger thin o-ring around the base of the threads
where the shock cap screws on (see diagram on the next page). This seal is crucial to the build.
Follow steps 1-4 above.
Step 5: Rebound is more of a natural side eect of an emulsion shock. It’s not something that can
be set accurately because you run the risk of hydrolocking the shock if you do not push the shaft
all the way in when you bleed it. For now leave the shaft fully extended.
Step 6: Fill the shock up, over lling just slightly without spilling to create a small dome of oil.
Step 7: Place a little bit of oil in the shock cap and quickly put the shock cap on the shock body.
Tighten the cap all the way down. Very slowly push the shaft in. Oil will start to bleed out of the top
of the cap. While wiping away excess oil, continue to slowly push the shaft in ALL THE WAY.
If no oil comes out when the shaft is fully inserted, you will need to start over at step 6.
Step 8: Install the TKR1341 M4x6mm at head screw and TKR5125 black o-ring to seal
the cap (see diagram). Tighten until o-ring is fully seated.
TKR6091
TKR6140
TKR1529
TKR1202
Note: Slot in spring
perch should face
outside of vehicle.
TKR1605
TKR6015
TKR6008
TKR6009
TKR6016
M2.5 Lock Nut Zinc
TKR1200
x2
TKR1211
M3 Lock Nut Flange Black
x2
*TKR6090
*TKR6092
*TKR6093
(Option)
Note:
Shaft guide
orientation
Note:
Front shocks use
shorter shock bodies -
TKR6016,
shorter shock shafts -
TKR6017,
shorter springs -
TKR6091
and shorter shock boots -
TKR6144
Step
O-1
Step
O-2
Step
O-3
TKR1200
TKR6051
(conical)
(tapered)
TKR6017
TKR5049A
*TKR6017T
(Option)
*TKR6159
*TKR6160
(Option)
*TKR6050
*TKR6052
*TKR6053
*TKR6054
*TKR6063
*TKR6064
*TKR6065
(Option)
Note: Use green
slime or oil on
shock shaft
threads AND
O-rings to
prevent tearing
and leaking.
TKR6140
TKR6144
Note: Shock boots
must be installed
before attaching
rod end.
TKR1202
M4 Lock Nut Black
x2
TKR1211
TKR6007
TKR5027
Note: Tighten TKR1211 lock nut all the way down, then back o 1/4 turn. Use thread lock!
Thread
Lock
TKR6003B
TKR6009
TKR6013
*TKR6003
*TKR6018
(Option)
Note: Apply a small
drop of oil for
easy installation.
Fill oil level just
below the
top of
the shock body.
Use #650wt oil
FRONT
650
Note:
Conical side up
TKR1529
M3x20mm Cap Head Screw
x2
Bag O
Front Shock Assembly
20
Stock shock position is outside
hole on the arm and 2nd from
outside hole on the tower
Stock front ride height 37mm
Shock length (droop) 122mm
TKR1605
M3x10mm Set Screw
x2
R60
91
TK
R
6140
T
K
R
T
KR1
5
5
2
9
TKR1202
Note: S
lo
o
t in s
pri
ng
p
erch s
h
h
ould
f
ac
e
ou
tsi
d
e
o
o
f
v
ehi
cle
.
T
KR1
6
0
5
T
KR
6
01
5
TKR6008
T
KR
6
009
TKR
6
01
6
R
6
0
9
0*TK
R6092*TK
R
6
09
3
*TK
p
tion
)
(
O
p
N
ote
:
S
ha
f
t
g
uid
e
o
rient
a
ti
on
N
ote:
Front s
h
oc
k
s use
s
ho
rter s
ho
c
k
bod
ies -
TK
R
6016
,
shorter shock sha
f
ts -
T
KR6017
,
shorter sprin
g
s -
TK
R60
9
1
an
d
s
h
orter s
h
oc
k
b
oots -
TK
R
614
4
Step
O
-
1
Step
O
-
2
Step
O
-3
T
KR120
0
T
KR
6
0
5
1
(
conical
)
(
tapered
)
T
KR
6
017
TKR5049
A
*TKR601
7T
(
Option
)
*
TKR
6
159
*
TKR
6
1
60
(
Option
)
*TKR
6
0
5
0
*TKR
6
0
5
2
*TKR
6
0
53
*TKR
6
0
5
4
*
TKR6063
*TKR6064
*TKR606
5
(
Option
)
N
ote: Use
g
ree
n
slime or oil o
n
shock shaft
th
re
ad
s AN
D
O
-rin
g
s t
o
p
revent tearing
an
d
l
ea
k
ing.
T
KR614
0
T
KR
6
144
Note: Shock boots
must be installed
before attaching
rod end.
TKR
1
2
11
TKR600
7
TKR5027
TK
R5
02
7
Note: Tighten TKR1211 lock nut all the wa
y
down, then back o 1/4 turn. Use thread lock!
T
h
re
ad
L
o
c
k
TKR
6
003B
TKR
6
00
9
T
KR6013
*
TKR
6
003
*
TKR601
8
(Option
)
N
ote: App
ly
a sma
ll
dro
p
o
f
oil
f
o
r
e
as
y
installation.
F
ill oil level
j
ust
b
e
lo
w t
h
e
t
op o
f
t
he shock body
.
U
se #
650
wt
o
i
l
FR
O
NT
650
Bag O
Front Shock Assembly
2
0
S
tock sh
o
o
ck
p
osition is outsid
e
hole on
t
t
he arm and 2nd fro
m
outside hole on the tower
hole on the tower
S
tock
f
ront ride height 37mm
S
hock len
g
th (droop) 122mm
Note:
Make sure to tighten both cartridge cap
(TKR6015) and shock cap (TKR6003B) to ensure
a proper seal. Tools may be required.
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Tekno RC NT48.3 Building Instructions
- Category
- Remote controlled toys
- Type
- Building Instructions
- This manual is also suitable for
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