Ultima Billet Rear Shocks Installation Instruction Sheet


Filed Under (Tips and Review) by admin on 30-11-2010

Unloading the rear suspension Use a jack under a flat part of the motorcycle and lift until the rear tire is barely resting on the surface. This ensures that the shocks are unloaded. They are now ready for removal. Remove the old shocks Refer to the service manual specific to your motorcycle for this process. Unbolt the old shocks. Save the necessary hardware if you have not purchased new hardware. Installation Shocks should be installed with the preload adjuster on top (see Preload Adjustment). With the new shocks in hand; please go over the hardware configuration diagram (Figure 3) to decide which configuration best fits your application. Spacers are included to provide clearance between the shocks and your motorcycle (Figure 4). Typically start on which ever side the final drive is located. This side normally causes the clearance issues. Each eye and each side should be configured the same way. Make sure to use the proper hardware so that the shock- bushings fit the shock-bolts as snugly as possible. Shocks come with a 1/2″ ID bushing installed. This is needed for all applications. An optional bushing is included and should be used in addition when 3/8″ bolts are used instead of the larger 1/2″bolts. Unless new hardware was purchased, you will use the stock bolts from your old shocks to install the new shocks. Use Red Locktite (or equivalent) and use a torque wrench to tighten as follows: Models that use 1/2″ bolts: 65ft-lbs Models that use 3/8″ bolts: 30ft-lbs (Figures 1 & 2) Be sure to check clearance between the shock and the belt-guard. If there is any contact you will need to alter your spacer arrangement to accommodate this. Check tire to fender clearance as well. This clearance will be reduced when lowering shocks are used. Preload Adjustment Your new Ultima Billet Shocks are preload adjustable. Adjustment should be done once the shocks are installed. To adjust use a strap wrench and turn the top part of the shock (Figure 6) clock-wise to tighten or provide more preload (this stiffens the suspension), or counter-clockwise to loosen or subtract preload (this softens the suspension). Hand adjustments may be sufficient on models with smaller spring rates while the strap wrench will be required on the high spring rate shocks. You will see notches (Figure 6) that appear on the shock as the shock is preloaded. These should help you obtain the same preload for both sides of the motorcycle. Both shocks should be adjusted to the same level of preload.

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