© 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 HD641_0 Issued 2006 12 13
These instructions and other documents
can be downloaded from
www.ohlins.com
Mounting Instructions
Kit Contents:
Part no. Pcs.
Shock absorber HD641 2
Sleeve 00123-13 4
Washer 03118-08 8
C-spanner 00710-01 1
Öhlins Sticker 00192-01 2
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 HD641
for Harley Davidson Sportster
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.
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
Set-up Data
Spring preload 15 mm
Shock absorber length 336 (
+10
/
-0
) mm
Stroke 98 mm
A
B
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 absorbers. Consult
your Vehicle Service Manual.
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!)
3
Install the Öhlins shock absorbers in the same
way as the original units. The shock absorber
should be installed with the cylinder head at
the top and the reservoir towards the rear. Use
the washers and sleeves provided in this kit.
NOTE!
Lower the motorcycle so that the shock
absorber is sligthly compressed, before tighten-
ing the screws.
WARNING!
It is advisable to have an Öhlins dealer install the
shock absorber.
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.
Always ensure that the basic settings made by
Öhlins are intact.
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).
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.
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.
1
2
1
2
-
1
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2
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