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A heads up for anyone who runs higher miles with STM weights. I was around 11000kms on this set of weights. Happened while pinned at 185kph (115 mph). Thought I snapped a belt. Weight broke right after the heel part and ruined the sheave. Worst part about the whole thing. I did a flyby on 2...

Has anyone else seen wear like this on thier center shock? Looks to be at least 1mm wore through the shock body. Its right where the 2 springs meet, seems to be caused by the plastic spacer between the dual stage springs. I have about 7400kms on my sled. I did tighten the preload a few turns...

So here's the video of my sidewinder clutches in operation. Why doesn't the belt come back to the top of the secondary? My brothers sidewinder does the same thing, belt doesn't come right to the top when you let off the throttle. My dealer changed the bushings In the secondary, checked the...

I dont know how to add a picture, but I have a picture of the bulletin. Starting now, any new Yamaha sled can be registered for the 20 year engine warranty at as long as you use yamalube and you follow the recommended service intervals.

Hey I have a push turbo kit, set to the wastegate spring psi. Nytro rtx running sealevel. The boost gauge that came with the kit is pretty hard to read, but seems to be at 7 psi or so. My a/f ratio at full throttle is high. 12.9 or 13. I maxed out the dobeck controller, and it makes no...

Hey guys. Just wondering what is everyone running for clutching or if someone has some ideas for me. I have Ulmers kit, hes just so hard to get ahold of this time of year so ill try here first. I have an RTX - ripsaw with 144 studs down the middle. K and Ns, full exhaust, PCV with ulmer map...

Hey so I bought a Nytro that needed a head gasket Pretty familiar with working on 2 strokes, rebuilding and all that. First time toying with a 4 stroke motor. I have the service manual. I didnt know I had to keep track of the shims underneath the caps for the valve springs. I have lost...