Kit Contents:
Mounting Instructions YA720_0 Issued 2006-09-19
Shock absorber YA720 1 pair
C-spanner 00710-01 1
Öhlins Sticker 00197-01 1
Memo Notes Sticker 01180-01 1
Owner’s Manual 1
Art. No. Pcs.
Mounting Instructions
SHOCK ABSORBER YA720 FRONT
for Yamaha Phazer
Before installing this product,
check the contents of the kit listed
below. If anything is missing, please
contact your nearest Öhlins dealer.
During storage and transportation,
especially at high ambient tempera-
ture, the oil and grease used for assem-
bling may run out inside the packing
and damage the expanded polystyrene
packing material. This is not unusual and
is in no way detrimental to the product.
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© Öhlins Racing AB. All rights reserved. Any reprinting or unauthorized use without the written permission of
Öhlins Racing AB is prohibited. Printed in Sweden.
Before installing this product, read the Öhlins Owner’s Manual
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
1
1
Raise the front of the snowmobile so that the
skis are off the ground.
WARNING!
Make sure the vehicle is securely positioned so
that it will not tip!
2
Remove the original shock absorbers.
CAUTION!
When disassembling suspension components
we recommend to fi rst loosen, but not remove
all bolts, before removing the components. For
assembly, reverse order. Once the components
are in place ensure all bolts are tightened.
MOUNTING INSTRUCTIONS
A
B
ADJUSTMENTS
Spring preload
Use the C-spanner provided in this kit.
Turn the spring platform nut (A) to set
the spring preload. Lock the setting with
the lock nut (B).
Compression damping
Adjust on top of the reservoir.
Low speed: Slotted centre screw.
High speed: Hexagon screw.
Turn clockwise to increase damping,
turn counter clockwise to decrease.
Rebound damping
Turn the wheel on the piston shaft above
the end eye/ bracket. Turn clockwise to
increase damping, turn counter clock-
wise to decrease.
1
2
1
2
3
3
NOTE!
When delivered the Öhlins shock absorber
is dialed to recommended settings for the
specifi c brand and make of the vehicle. If you
have changed the setting, reset according to
the Set-up data.
To reset: The adjuster has a right hand thread.
Turn the adjuster clockwise to fully closed
(pos. zero [0]). Turn counter clockwise to open
and count the clicks until you reach the recom-
mended number in the Set-up data.
CAUTION!
Do not use force, delicate sealing surfaces can
be damaged. Handtighten only.
3
Install the Öhlins shock absorbers. Use the
original screws.
The external reservoir should be at the top
and facing outwards. See fi gure.
4
Read more about the shock absorber in your
Öhlins Owner’s Manual.
NOTE!
Make sure that all bolts are tightened to
the correct torque and that nothing fouls or
restricts movement of the shock absorber
when the suspension is fully compressed or
extended.
3
Spring preload 5 mm
Compression damping
Low speed 20 clicks
High speed 1 turn
Rebound damping 25 clicks
SET-UP DATA
Shock absorber data
Length 404 mm
Stroke 125
Spring rate 28 N/mm
Free spring length 270 mm
/