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I just read thru some of the earlier portions of this thread. If the bushing is coming out, its due to heat of the sheaves thru one way or the other, typically from a poor clutch recipe and slipping belts. It can happen on the primary as well as the secondary. Fix the belt and clutch temps and...

Just a warning to you if you like performance. Don't use oilite or bronze bushings in any of the clutches movables, drive or driven. They will hurt shifting performance vs the nice factory coated bushings every time no matter what. In absolutely no instance is a bronze or oilite bushing better...

If you have a Hurricane/TD (GAP platform) tune and have the flasher on-board while running, you can see all the live date you'd ever want on your phone or an iPad if you mount that on the dash or the handlebar in front of you. On top of that, if you activate the logging function, you can go back...

Well that depends on what you’re running for the rest of the clutch recipie along with the style of clutch arms being used. Belt, springs and helix. If your running a 8jp, Dalton primary arms, 35 helix and orange Dalton spring at 80-90 and a blue Dalton spring in the primary or heavier, then...

Just like I mentioned before even being put on Allens track dyno, nothing at all wrong with Yamaha clutches as long as they are not binding, eating rollers & blowing belts like the stock Winder primary has tended to do when used on high HP tunes over some miles. My preference is definitely a...

An outlaw 4 cylinder from Hypersports I've been told is more like $250,000 then add the spare parts that go along with it and the associated costs involved. Its takes severely deep pockets to run a competitive outlaw sled. Pretty insane and they will never break even winning every event even...

The TAPP roller spider makes noise yes. That said, so does the button spider TAPP at different RPM like around 4000 or so RPM as it gets some miles on it, but still a bunch better than the roller spider. Only clutch I have seen not make noise is the PB-80 and the old Cat TEAM is also what I'd...

I dont even bother with a bolt in the 9 o'clock bolt. Some mufflers on the market don't even come with that spot drilled at all.

Any good primary clutch can be made to apply more force depending on parts and components used, so no, not nessarally. That said, I've not used an ADAPT primary myself, but a snowmobile clutch is pretty basic and I feel any good primary can be made to work as well performance wise as any other...

I think you're gonna like the TAPP primary Allen. Adding weight to the bolt is still a pain as the cover has to come off, but it's not too bad, not as easy as having Dalton arms in the Yamaha primary for weight changes. Weight in the arms vs on the roller bolts react differently as you'll find...

I've tried a lot of different exhaust bolts, stainless, header, hi-grade, flanged, this and that etc. The best I have found is the stock Torx bolts that come with the machine and using Nickel anti-seize on them. Not sure why others would recommend going away from them if you don't have to. If...

I think the one my friend bought was made overseas, don't recall it being made by CVTech. I recall it being cheap and he wanted to give it a whirl. Not sure of the brand that is was, just that he purchased it on EBay. I had never heard of the brand of it.

To make use of larger diameter secondaries, you need to utilize a wider and longer belt to get more overall ratio usage top and bottom along with not limiting belt travel and pulling belt in half. Takes lots of trial and error to get the right belts. I did lots of testing back in the day on my...

These the cheap belts sold on EBay? I'm not sure about the brand, but I had a buddy try one off EBay he thought would be OK and it went boom on him the first day he used it on a stock winder. He's not what I'd call an aggressive rider anymore at all either, he can get 5000 miles out of the 8JP...

Good grief. Throw those dyno results in the garbage where it belongs. It’s quite obvious that the lower baseline run is slipping the belt so friggin bad it should’ve melted the clutch faces. For someone to post that and expect us to believe there’s a 90 horse track HP gain just switching...

HaHa, Same! I bought a 2011 Apex EPS sled and sent it down the road with just less than 400 miles on it. I didn't like that tank and neither did anyone in my family after riding the lightweight and fun Doo 1200's. In fact went back to a older 09 Doo 1200, but did the same with a 2012 Cat turbo...

Same. Yamaha simply had nothing for me till the 998 turbo and the handling and ride fixes Cat came with on the ProCross chassis. Still IMO the best on the market to this day if you want a four-stroke. I kept going back to the 1200 Doo till I saw how great the 17 was in LE guise with the QS3R's...

Pulled from Country Cats Facebook page. If their renderings are accurate, seems like the 998 lives on! Also looks like you can get EPS on the two-stroke 858 EXT Special for 2026, pretty cool! And thats the best looking Thunder Cat I've ever seen I might add.

I suppose the chassis could be loosing out on 7% efficiency some where, plus the fact they are not making the power claimed, which most know to be true. Think about where the power loss could be coming from however. There's only two shafts and a chain case. Typical power loss due to the...

Check the fuel pump plugs. Happened to me in a field where it just quit one day riding alone in the middle of no where. The next day while it ran fine, went into a pit stop, shut it off and It would not start at all. I knew It had no fuel pressure or fuel pump, suspected it was a relay, warmed...