© 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 YA645_0 Issued 2006 12 11
These instructions and other documents
can be downloaded from
www.ohlins.com
Mounting Instructions
Kit Contents:
Part no. Pcs.
Shock absorber YA645 1
Rubber mount 00230-03 2
Tie wrap 00231-01 3
Tie wrap 00231-02 2
Hose clamp 00643-02 2
Öhlins Sticker 00192-01 2
Memo Notes Sticker 01180-01 1
Owner’s Manual 07241-02 1
Before installing this shock absorber,
check the contents of the kit listed
below. If anything is missing, please
contact your nearest Öhlins dealer.
SHOCK ABSORBER YA645
for Yamaha FZ1
Before installing this product, read the Öhlins Owner’s Manual!
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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,
especially at high ambient tempera-
ture, some of the oil and grease used
for assembling may leak and stain
the packaging. This is in no way det-
rimental to the product, wipe off the
excessive oil/grease with a cloth.
Always ensure that the basic settings made by
Öhlins are intact.
Set-up Data
Spring preload 10 mm
Compression damping 10 clicks
Rebound damping 14 clicks
Shock absorber length 315
+10
mm
Stroke 67 mm
ADJUSTMENTS
Spring Preload
Turn the hexagon screw on the hydrau-
lic adjuster to set the spring preload.
Turn clockwise to increase, turn counter
clockwise to decrease it.
Compression
Adjust by turning the knob on top of
the reservoir. Turn clockwise to increase
damping, turn counter clockwise to
decrease.
Rebound
Turn the wheel on the piston shaft above
the end eye/bracket. Turn clockwise to
increase damping, turn counter clock-
wise to decrease.
NOTE!
When delivered the Öhlins shock absorber
is dialed to the recommended settings for
the specifi c vehicle model. If you have
changed the setting, reset according to
the following:
The adjuster has a right hand thread.
Turn the adjuster clockwise to fully
closed (pos. zero [0]). Turn counter clock-
wise to open and count the clicks until
you reach the recommended number
(see Set-up Data).
CAUTION!
Do not use force, delicate sealing surfaces
can be damaged. Handtighten only.
Length
Use two wrenches. Hold the upper nut
with one hand and at the same time
loosen the lock nut (lower nut). Turn the
end eye/ bracket to the desired length.
Lock the lock nut.
1
2
3
1
3
-2
4
WARNING!
The adjustable end eye/bracket must not be
threaded out more than that the groove is fully
visible beneath the lock nut. This is maximum
length. After adjusting, make sure that the lock
nut is tightened.
4
2
HOW TO INSTALL
1
Put the motorcycle on a workstand so that the
rear wheel barely touches the ground.
WARNING!
Make sure the vehicle is securely supported so
that it will not tip.
2
Remove the original shock absorber.
3
Install the Öhlins shock absorber. Use the
original attachment screws to fasten it. Do not
tighten yet. The integrated preload adjuster
should be towards the rear of the vehicle. See
fi gure.
4
Tighten the upper and the lower attachment
screws.
5
Install the reservoir to the frame, with the two
tie wraps provided in this kit, as indicated in
the fi gure.
NOTE!
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 being fully compressed or extended.
NOTE!
Lower the motorcycle so that the shock absorber
is slightly compressed, before tightening the
screws.
NOTE!
Recommendation! Before installing the Öhlins
shock absorber:
• clean the vehicle thoroughly
• adjust the length of the shock absorber (check
the headlight angle after adjusting the length!)
1
WARNING!
It is advisable to have an Öhlins dealer install the
shock absorber.
5
3
View from the left side
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1
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2
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