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Engine Mechanical TopicsDiscussion for motor builds, cams, head work, stripped bolts and other engine related issues. The good and the bad. If it goes round and around or up and down, post it here.
Get a Compensaver from GMR. I have THE Beta model in my 120r and its no longer an issue for me. Before then Compensaver? I could go about 15k miles with the 120r OR a 107 before the regular SE comps would start screwing up. I got so tired of it, with the 107, I put an old 09 style comp back on... at least those would go almost 30k.
The issue, so far with Hobans is what exact polymer to run.... It sounds all good, but they have to have yet find a polymer that can take the repeated compressions without becoming compressed eventually. Once compresed, it can rattle. At the show, I was told they will be trying to 'shrink' the polymer, and let it 'grow' once in the compensator. Now... that might work?
The new SE compensator you speak of is a good upgrade. HD has improved the the overall "throw" characteristics of the comp assembly, and it is now OEM equipment on newer bikes. You can expect improved starting, ie... The starter is less likely to "bounce off the ring gear, and shifting should feel smoother with a better neutral "find zone". The plate that is epoxied to the primary cover is designed to properly direct fluid towards the new needle bearings that will be installed behind the comp bolt. I would highly recommend this upgrade.
Hahah! Must be April fools, today. Terrible advice. Needle bearings have NOTHING to do with anything. Its all about the spokes.
Last edited by wurk_truk; Apr 17, 2014 at 10:28 PM.
Was thinking about emailing John again to get a report about his new comp. 12k on my gen3 comp and its starting to rattle.
Johns comp probably won't be ready till the end of the season is the way he made it sound when u picked up my bottom end from his this winter. He is refining it a bit more and still doing some big mile testing to make sure all lasts, so I decided to go with the SE Comp.
When the DH comp is out I will be getting that for sure. Looks like a great product that doesn't depend on oiling, which is a HUGE benefits when using the $500 clutch setups that work best with ATF.
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