© Öhlins Racing AB. All rights reserved. Any re-
printing or unauthorized use without the written
permission of Öhlins Racing AB is prohibited.
Printed in Sweden.
Mounting Instructions SU674_1 Issued 2007 01 19
These instructions and other documents
can be downloaded from
www.ohlins.com
Mounting Instructions
Kit Contents:
Part no. Pcs.
Shock absorber SU674 1
Spring clip 00516-01 1
C-spanner 00710-02 1
Öhlins Sticker 00197-01 2
Memo Notes Sticker 01180-01 1
Owner’s Manual 07235-01 1
Before installing this product,
check the contents of the kit listed
below. If anything is missing, please
contact your nearest Öhlins dealer.
SHOCK ABSORBER SU674
for Suzuki LT-R450 - rear
Read the Öhlins Owner’s Manual before installing this product
In
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alling
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Öhlins Racing AB, Box 722, S-194 27 Upplands Väsby, Sweden.
Phone +46 8 590 025 00 Fax +46 8 590 025 80
www.ohlins.com
WITH SET-UP DATA
During storage and transportation, espe-
cially at high ambient temperature, some
of the oil and grease used for assembling
may leak and stain the packaging. This is
in no way detrimental to the product, wipe
off the excessive oil/grease with a cloth.
NOTE!
No spring included in this kit. See the
Spring Guide in this folder, or contact an
Öhlins dealer for advice.
ADJUSTMENTS
A
B
Spring preload is the difference
between A and B;
A Free spring length
B Installed spring length
A-B = Spring preload
preload
1
2
3
1
WARNING!
When delivered, the Öhlins shock absorber is
dialed to the recommended settings for the spe-
cifi c brand and make of the motorcycle. Before
riding, always ensure that the basic settings
made by Öhlins are intact.
To set the adjuster:
The turn adjusters have a normal right hand
thread. Turn the damping adjusters clock-
wise to fully closed (position zero [0]). Then,
turn counter clockwise to open, and count
the clicks until you reach the recommended
number of clicks. See Set-up data.
Do not use force, delicate sealing surfaces can
be damaged. Handtighten only.
Spring pre-load
Loosen the screw of the spring platform
clamp. Use the C-spanner provided in
this kit, turn the spring platform to the
desired position. Or, when installed on
the vehicle, turn the spring by hand.
Tighten the screw of the spring platform
clamp when done with the adjustment.
Compression damping:
Adjustments are made on top of the
reservoir.
Low speed: Slotted centre screw.
High speed: Hexagon screw.
NOTE!
When the shock absorber is installed
the compression can be adjusted from
above. Remove the seat and use a
wrench to adjust. See fi gure below.
Rebound damping:
Adjust by turning the wheel on the piston
shaft above the end bracket.
2
3
NOTE!
Compression
adjustment from
above.
INSTALL THE SHOCK ABSORBER
WARNING!
It is advisable to have an Öhlins dealer install the
shock absorber.
WARNING!
Make sure that all screws are tightened to the
correct torque and that nothing fouls or restricts
movement of the shock absorber when the sus-
pension is fully compressed or extended.
INSTALL THE SPRING
SPRING GUIDE
1
Measure the free length of the spring (A).
Loosen the lock nut and turn it to minimum
position.
2
Turn the shock absorber upside down. Install
the spring and the spring clip.
3
Turn the shock absorber upright. Now turn the
spring platform nut down to touch the spring.
Do not compress the spring.
CAUTION!
Make sure the spring clip is seated correctly
inside the spring and on the shaft.
4
Set the spring pre-load before installing the
shock absorber to the vehicle. See the last
page in this folder.
Spring
Spring clip
A
1
2
1
Remove the seat.
2
Remove the air box. Consult your ATV Owner’s
Manual.
3
Raise the rear end of the vehicle so that the
original shock absorber is in an unloaded posi-
tion.
4
Remove the original shock absorber.
NOTE!
Remove the lower bolt of the triangle link so
that the lower bolt of the shock absorber can
be removed.
NOTE!
Before installing the shock absorber, make sure
the correct spring is installed.
CAUTION!
1
4
Remove
bolt
Fold out
the arm
Triangle link
!
2
6
Spring preload 5 mm
Rebound damping 16 clicks
Compression damping
Low speed 15 clicks
High speed 1½ turns
Free sag and Ride height
Free sag, front 60±5 mm
2½±¼’’
Free sag, rear 30±5 mm
1¼±¼’’
Ride height, front 80±5 mm
3¼±¼’’
Ride height, rear 105±5 mm
4½±¼’’
Shock absorber data
Length 408 mm
Stroke 105,5 mm
SET-UP DATA
WARNING!
Do not apply lifting force to the swing arm. Make
sure the vehicle is securely supported so that it
will not tip.
5
Install the Öhlins shock absorber in the same
way as the original unit. Fasten the upper at-
tachment fi rst.
NOTE!
The piggy back reservoir should be at the top,
to the left.
6
Fasten the lower attachment. Raise the wheels
slightly to make the attachment fi t.
Reattach the triangle link!
7
Tighten the attachment screws to the correct
torque. Consult your ATV Owner’s manual.
8
Check sag and ride height according to the
Öhlins Owner’s Manual.
3
Rider’s weight Spring Spring rate
75kg/ 165 lbs Standard swing arm 00580-14 60 N/mm
85kg/ 187 lbs Standard swing arm 00580-16 64 N/mm
95kg/ 209 lbs Standard swing arm 00580-18 68 N/mm
Lock nut
Spring
platform
nut
5
-
1
-
2
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