How does a compensator sprocket work on a twin cam?
Seven supportive spokes structurally tie the sprocket ‘ring’ to the sprocket hub. The mass of the sprocket is concentrated towards the center so the ‘flywheel effect’ is minimized which reduces N&V noises during operation and shut down. Heat treated 4140 alloy steel construction.
Is there a problem with the compensator on a Harley Davidson?
There is a verified problem with Harley-Davidson Big Twin compensating sprockets. The compensating sprocket buffers torque from the engine and the limitations with this part may be most obvious in newer, big bore engines. A part that was adequate in an 82-cubic-inch engine may not be adequate in a 103-cubic-inch …
When to fill a twincam compensator when not running?
It is important that the fluid fills the compensator often while the bike is not running. This will allow it to flush out the comp and prevent sludge from building up in there. (As long as your clutch cleanly disengages, there’s no danger of adding a few extra oz.)
What are the parts for a compensator upgrade?
The assembly is sold as a complete kit. It includes an engine extension shaft, a 34 tooth compensating sprocket, cam slider, spring cup assembly, and a hardened 9/16-12 hardened hex bolt. The only other parts needed are: outer primary gasket, derby cover gasket and (40-45 oz) primary drive oil.
Seven supportive spokes structurally tie the sprocket ‘ring’ to the sprocket hub. The mass of the sprocket is concentrated towards the center so the ‘flywheel effect’ is minimized which reduces N&V noises during operation and shut down. Heat treated 4140 alloy steel construction.
How to get rid of a twincam compensator?
3. Whenever possible, park on a hill – nose down. This will cause primary fluid to run forward where it can partially fill the compensator. If you park this way for even a few seconds, then once you start the engine, the fluid will sling out – helping to flush out the compensator.
How do you replace a compensator on a Harley Davidson?
Replace the compensating sprocket, sliding cam, sprocket cover and spacer. Hand tighten the sprocket nut. Tighten the sprocket nut to 75 foot-pounds of torque with a hex socket and a torque wrench. Install two new tower gaskets and a new primary chain case cover gasket. Replace the primary chain case cover.
Where does the plastic baffle go on twincam compensators?
Hmmm Have similar noises and bucks slightly once in while. The replacement compensators sold by HD now have a plastic baffle goes behind comp, glued to inner primary. Suppose to direct oil into compensator?