Summary of the content on the page No. 1
Owners Manual
Öhlins shock absorbers, Motorcycle Road & Track
Including:
Safety
Tuning the
suspension
Design
features
Function
Basic
adjustments
Fine tuning
Inspection
maintenance
1
Summary of the content on the page No. 2
Introduction WARNING! Safety signals All of Öhlins advanced suspension products are 1. Installing a shock absorber, that is not Important information concerning safety is adepted to the brand and model. This means that approved by the vehicle manufacturer, may distinguished in this manual by the length, travel springaction and damping charac- affect the stability of your vehicle. Öhlins following notations: teristics, are tested individually just for the Racing AB cannot be held responsible for
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1. Design principles 2. Spring preloading Mechanical adjustment Hydraulic preloader Gas Gas and oil Oil Oil Gas 1. Emulsion shock absorber C-spanner Separating 2. Internal gas reservoir piston 3. External piggyback reservoir 4. External reservoir Shock absorber with hose connection 12 3 4 piston Adjuster Tuning the suspension Design Motorcycle road holding qualities Most of the Öhlins shock absorbers are of the controlled accordingly. The shock absorbing effect All motorcycles are designed with
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3. Flow through 4. Piston with apertures 5. Shims stack 6. Flow through piston needle valve Stop washer Shims stack Compression flow Rebound flow Piston Function Compression damping Rebound damping The function, in principle, is that fluid is forced through needle valves at a low rate of flow (Fig.3) When movement of the motorcycle causes com- When the spring presses the shock absorber out pression in the shock absorber, the fluid flows again, the fluid flows back through the needle and through
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F1 F2 F3 R1 R2 R3 A-D. Bike on a stand. E. Bike on the ground. F. Bike with rider on. Settings Setting the spring preload E Allow the motorcycle (without rider) to Basic settings Measuring: Always ensure that the basic setting made by Preload on the spring/springs is very important, apply load on the springs and repeat the measuring procedure. (R2, F2) Öhlins is correct. It is adapted to the make and because it affects the height of the motorcycle model (in its original state) and for a rider of
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7. Spring preload adjusment. 8. Front fork spring kit + - A. Mechanical B. Hydraulic preload adjuster preload adjuster Adjusting Front fork springs Adjust the preload with the rings on the shock The original setting of the shock absorber, when To optimize the road holding qualities of a motor- absorber or by hydraulic preloading. In the first delivered from Öhlins, should always be a base cycle the front fork must match the rear suspension. case, hold the upper ring and adjust the lower when the
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9. Adjustment of rebound damping 10. Adjustment of compression damping 11. High and low speed compression damping adjusters High speed - + - + - + = more damping + - = less damping - + Low speed Setting the damping NOTE! It can be adjusted in about 40 steps. The com- The adjusting possibilities of Öhlins shock ab- sorbers facilitate fine setting. You can optimize pression damping knob is located at the end of When making new adjustments it is easiest to go the reservoir (Fig.10). This can be adj
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12. Rebound damping 13. Compression damping • Unstable • Hard • Unstable • Harsh • Loose • Bumpy • Soft • Hard • Bouncy • Low • Bad grip • Bottom Increase Reduce Increase Reduce Setting your motorcycle (counter clockwise). If it feels unsmooth over small Start with the rebound damping (Fig.12) NOTE! If the motorcycle feels unstable, loose and rather continuous bumps or has bad grip, the low speed compression should be decreased. Turn counter bouncy then the rebound damping should be Always begin
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14. Adjustment of shock absorber lenght 15. Adjusting the shock absorber length - + 16. Groove Setting the shock absorber length NOTE! Sensitivity of the steering can be adjusted by WARNING! altering the length of the shock absorber, without Ensure that the springs are properly preloaded affecting other characteristics. The length is before attempting to make any adjustments. A If the shock absorber has an adjusted using two nuts down and the treaded simple rule is that increased preload of the
Summary of the content on the page No. 10
3 4 3 2 5 1 5 6 1 17. Lift the bump rubber and clean the area below. 18. Inspection points: Inspection and maintenance NOTE! Inspection points: (Fig.18) Clean the shock absorbers externally with a soft 1 Check ball joints detergent. Use compressed air. Lift the bump rub- Make certain that your shock absorbers are for possible excessive play. ber and clean the area below (Fig.17). Keep the always filled with Öhlins High Performance 2 Check the piston shaft shock absorbers clean and always spray t
Summary of the content on the page No. 11
WARNING! WARNING! Never alter the gas pressure. Special purpose The shock absorber is provided with a separate 3. Be careful not to damage any part of the gas charging equipment and access to nitrogen is type reservoir filled with high pressure nitrogen reservoir. A damaged gas reservoir will impair the required. The gas pressure should normally never gas. To prevent danger of explosion, study and damping performance or cause malfunction. be altered. make certain that you fully understand the fo
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More info www.ohlins.com The ultimate suspension site. Find out everything about your suspension. Download mounting instructions, manuals and brochures. And a lot more. Öhlins Racing AB, Box 722, S-194 27 Upplands Väsby, Sweden Phone +46 8 590 025 00, Fax +46 8 590 025 80 Your Öhlins dealer: 12 07241-02, Issued 02 01 04. 5000 ex.
