Mounting Instructions
Contents
1. During storage and transportation especially at high ambient temperature the oil and grease used for assembling may run out in side the packing and damage the expanded polystyrene packing material This is not unusual and is in no way detrimental to the shock absorber NOTE When disassembling suspension components we recommend you to first loosen and not remove all bolts and then removing the compo nents Reversed order when assembling finish with tightening the bolts 3 Fit the Ohlins shock absorbers Fit the shock absorber with the piggy back reservoir directed outward and upward 4 Continue your work according to the Ohlins Owner s Manual section Settings 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 being fully compressed or ex tended Adjustments Your Ohlins shock absorber type 36 PC features the following adjusters Compression Damping Adjuster Adjustments are made on top of the reservoir Spring Pre load Adjuster Adjustments are made by turning the rings on the threaded cylinder body Use a C spanner NOTE When delivered the Ohlins shock absorber is dialed to recommended settings for the specific brand and make of the snowmobile To readjust the settings The adjuster has a normal right hand thread Turn the damping adjuster clockwise to fully closed pos zero 02. Recommended Rear Ride height Pro Action suspension With rider on the snowmobile wearing all riding gear we recommend the coupling adjuster free play to be equal in both directions see figure to the right assuming that the coupling adjuster is in its standard setting Increase or decrease the spring preload until Pro Action suspension Mounting Instructions Ohlins Shock Absorber kit YA 655 for YAMAHA Front RX 1 ER SP GT EUR you have reached the middle position of the Apex RTX ER GT US RX Warrior EUR Attak US coupling adjuster RS Vector ER SP EUR Nytro US RS Rage If you carry heavy luggage or a passenger on a RS Vector RS Vector ER GT 2 seater you will need to do these adjustments under these specific conditions Mono Shock suspension Raise the rear end of the snowmobile slightly but only until the drive track barely lifts off the ground On the running board mark with a pen just above the rear axle Measure the distance from the marking on the running board to the Kit Contents Before installing the shock absorber please check the contents of the kit If anything is missing please contact your Ohlins dealer Description ground D1 Shock absorber 36 PC YA 655 1 pair C spanner 00710 01 1 With a rider on the snowmobile measure the Sticker memo notes 01180 01 1 distance from the same marking on the running Slieker Pi eee ed Owner s Manual 1 board to the g
3. Turn counter clockwise to open and count the clicks until you reach the recommended number of clicks See Setup data next page CAUTION Do not use too much force delicate sealing surfaces can be damaged Set up Recommendations NOTE It is of importance that these adjustments are carried out on a flat surface The most correct settings are made indoors when the snowmobile is thawed out warmed Rear Ride Height and Suspension Comfort It is very important that the rear ride height is adjusted correctly The rear ride height and comfort are linked together due to the coupling device in the rear suspension If the ride height is not within the right range the center and rear shock absorbers may start working parallel in unwanted situations thus creating a too stiff suspension and a harsh ride Front Ride Height The basic spring pre load is carefully set with highly skilled test riders If you want to make an adjustment start with the basic setting and return to it if you are not sure that your adjust ment made an improvement for you Tip Measure and note the spring length with the shock absorber fully extended before and after changes Spring pre load adjuster Compression damping adjuster Recommended Rear Ride Height Pro Active suspension With rider on the snowmobile wearing all riding gear recommended coupling adjuster free play is 17 mm see fig below ass
4. decrease spring pre load It will not fix your problem and your ride height might make your coupling adjuster run out of the range described above thus creating a harsh ride Instead change to a softer spring and again adjust your spring pre load as described above OHLINS ADVANCED SUSPENSION TECHNOLOGY Ohlins Racing AB Box 722 S 194 27 Upplands Vasby Sweden Ohlins Racing AB All rights reserved Any reprinting or unauthorized use without the mm Phone 46 8 590 025 00 Fax 46 8 590 025 80 Wiitien permeson of Ohlins Racing AB is prohibited Printed in Sweder OHLINS www ohlins com YA 655 issued 05 08 25 ADVANCED SUSPENSION TECHNOLOGY Safety Signals Important information concerning safety is distinguished in this manual by the following notations The Safety alert symbol means Attention Your safety is involved A WARNING Failure to follow warning instructions could result in severe or fatal injury to anyone working with inspecting or using the suspension or to bystanders CAUTION Caution indicates that special pre cautions must be taken to avoid damage to the suspension NOTE This indicates information that is of importance with regard to procedures Mounting Instructions A WARNING 1 It is advisable to have an hlins dealer or other qualified person install your shock absorber 2 Instructions in the v
5. ehicle service manual are to be followed when changing the shock absorber 3 When working on a lifted vehicle make sure that it is securely supported to prevent it from falling 1 Lift the front end of the snowmobile so the skis have proper ground clearance Make sure it is steadily positioned and will not fall over 2 Remove the original shock absorbers The two washers at the upper bracket must be removed CAUTION For certain snowmobiles we advise you not to roll them over or lay them on the side Especially machines with injection oil system as loss of lubrication due to air in the system can damage the engine Fuel can also leak from the gasoline tank Check the Owner s Manual of the snow mobile for procedures A WARNING 1 Installing a shock absorber that is not approved by the vehicle manufacturer may affect the stability of your vehicle Ohlins Racing AB cannot be held responsible for any personal injury or damage that may oc cur after fitting the shock absorber Contact an Ohlins dealer or other qualified person for advice 2 Please study and make certain that you fully understand all the mounting instructions and the owner s manual before handling this shock absorber kit If you have any questions regard ing proper installation procedures contact an Ohlins dealer or other qualified person 3 The vehicle service manual must be referred to when installing the Ohlins shock absorber NOTE
6. round D2 Recommended rear ride height D1 D2 approximately 65 mm 2 5 Before Installation Ohlins Racing AB cannot be held responsible for any damage to shock absorber or vehicle or injury to persons if the instructions for fitting and maintenance are not followed NOTE The spring pre load affects the ride height it Setup Data does not affect bottoming You may need to increase the rebound dampin nock AD ODE IENgh r oy slightly when using more spring pre load rah the Shock absorber stroke 131 mm ay ae wees delivered setting Spring rate 28 N mm void if the instructions are not adhered to If you experience the suspension bottomin Free spring length 270 mm ea K e a do not ees spring e Compression damping adj 10 clicks Ohlins products are subject to continuous Your ride height might make your coupling Spring pre load 5mm PrOVeIne nT aloCe velo pinents Aitor mation in this manual is based on the latest product information available at the time of approval for publishing Consequently there may be minor differences between your suspension and the suspension in this manual Please consult your Ohlins dealer if you have any questions regarding the contents of this manual adjuster run out of the range described above thus creating a harsh ride Instead change to a stiffer spring and adjust your spring pre load as described above If you experience that the suspension is too stiff do not
7. uming that the coupling adjuster is in it s standard setting Increase or decrease the spring pre load until you have reached this position of the coupling adjuster If you carry heavy luggage or a passenger ona 2 seater you will need to do these adjustments under these specific conditions Pro Active suspension
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