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· Registered
945 Posts
Discussion Starter · #1 ·
Does anyone have any experience with aftermarket 4 angle helix on the secondary? I will have this secondary apart very soon and the helix change looks like a great improvement from the stock one now but I'm not familiar enough with what the characteristic changes would be.

any thoughts?


Lest we forget...... 09/11/01

· Administrator
1998 XCR 440
12,835 Posts
The steeper the angle of the helix, the faster the backshift, but slower the upshift. Depending on the angles, and the purpose of riding and the spring used, and weights and spring and all the stuff in the primary clutch, they can be good and bad. I've played with them before, and when I changed to it, leaving everything else as is, I got really bad acceleration, but I never had a problem with backshift.

It all depends on what purpose u are using it for, racing, trail riding... u know.

"Might Be Crazy But I Ain't Dumb" - Cooter
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