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ButterCup Installation - Damper Shaft
200 Hour Service ButterCup Installation - Damper Shaft
Install the upper ButterCup housing and bushing assembly onto the Install the upper ButterCup housing and bushing assembly onto the
damper shaft. Slide the assembly toward the rebound seal head until it damper shaft. Slide the assembly toward the rebound seal head until it
stops.stops.
Install a new upper ButterCup bumper, wide end first, onto the damper Install a new upper ButterCup bumper, wide end first, onto the damper
shaft. shaft.
Apply Threadlocker Loctite 2760 (red), or equivalent, to the first three Apply Threadlocker Loctite 2760 (red), or equivalent, to the first three
full threads on the end of the end plate.full threads on the end of the end plate.
Clamp the damper shaft into the 10 mm slot of the Reverb Vise Blocks Clamp the damper shaft into the 10 mm slot of the Reverb Vise Blocks
or RockShox Rear Shock Vise Blocks. or RockShox Rear Shock Vise Blocks.
Clamp the damper shaft only tight enough so it does not spin when the Clamp the damper shaft only tight enough so it does not spin when the
ButterCup housing is tightened.ButterCup housing is tightened.
NOTICE
Scratches on the damper shaft can cause oil to leak. If a scratch is
visible the rebound damper assembly may need to be replaced.
Thread the ButterCup shaft end plate into the damper shaft and tighten Thread the ButterCup shaft end plate into the damper shaft and tighten
it.it.
1
2
SRAM Butter Grease
3
Threadlocker Loctite 2760 - Red
4
T25 RockShox Vise Blocks 10 mm T25 3.3 Nm (29 in-lb)