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We’ve been using them for quite some time and have found out a couple of things about them
Chain tension is very important. While we don’t see as much chain stretch and that chains last longer, If we go out too loose, it eats teeth. And once they start to go, it peals every tooth off.
Sprocket alignment is much more important. If it is pulling even slightly off, it eats teeth.
Lubrication is very, very important. I use Motul off road. Lub it every time you go on track.
At the first sign of a hot or stiff chain. New chain. Don’t run it even one session.
The chain we had on Greg’s kart had 3 race weekends on it. Its still fine. The sprocket has many race weekends on it.
thanks for the feedback Doug. So, how much tension is just enough chain tension? That is the only thing I can figure since everything else was followed to the T.
We set it so that we have about 1/4″ to 3/8″ deflection. For Aluminum sprockets, some might consider it on the tight side. There maybe an issue with the heavy weights of masters. Several times I saw the rear ends of the karts coming off the ground this weekend. That can cause spikes in the rpm. Did you see any spikes in your data?
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