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Post by green440sting on Dec 16, 2018 16:29:05 GMT -5
Hey everyone. I’ve had my scorpion for about 10 years now and finally am getting around to really tinkering with it. I’ve recently bought a comet 102c. I followed the calibration recommendations from HPE. They suggest a silver spring and k2 weights. To my disappointment the new clutch acts almost exactly as the stock powerthrust II.
I am looking for a little higher engagement. But have no experience playing with clutching. Does anyone on here have any suggestions before I start toying with weights/springs/shims? The sled is a trail sled. But I do ride hard off trail and drag race for fun. And I’m just looking to make it a bit more aggressive.
Thanks!
Scott
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Post by shreddagnar on Jan 23, 2019 11:10:26 GMT -5
Looks like everyone is tight lipped about clutching. I guess you have to test and tune yourself. Stiffer primary spring should increase engagement rpms. I've heard that changing the helix angle can really help a 102c work on a Cuyuna. Good luck getting someone to share that info. The basic principle is to move that sled in the peak power band using all of the primary and secondary clutches. I haven't yet changed from the Powerthrust 2's myself. I'm still happy trail riding.
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Post by green440sting on Jan 24, 2019 15:51:22 GMT -5
Yea I had a feeling I wouldn’t get much input on this topic. But that’s okay with me. Since the post I’ve gutted the stock exhaust to create a rough “pipe”. I was satisfied that there was actually a significant power increase and it sounds awesome! Just need a weld-on glass pack muffler now. I will be sure to post my findings when I get around to toying with the clutching. Biggest thing I’ve been waiting on is a new tach as mine quit working years ago. I’ve found with my current setup it engages at 4500rpm. I also have an issue with the pilot jet being too rich and the sled will bog as the clutch engages. However I’d still prefer the engagement be higher/ more aggressive. I will drop the pilot 2 sizes and start playing with the clutching. I have talked to a few local drag racers and they suggested a few things. Usually they are a bit hesitant to share some of their good tricks tho. When the time comes I may play with the helix. But as for now I think it will work just fine for how I ride. Might try winding the secondary spring once more around to keep it closed longer as well
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