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Got the new exhaust manifold gasket in and no leaks anymore. Finally got time to take the ski out and ride it today and it ran good for about an hour. I was in the process of tuning it and it was getting alot better, almost to where I thought it should be. Then the bog sets back in. It did...

I have a speedwerx pipe/ riva red manifold combo. What I need to know is how in the world do you tighten the bolt on the bottom of the manifold. There are two bolts that are slotted on the manifold on the bottom. On you can tighten with a wrench and the other I have no idea how even get to...

Got the speedwerx pipe on and the recommended jetting from LPW. It is currently set up with a 117.5 L, 150 H, 2.5 N/S, and 95g spring. I take it out to start to try and tune the thing and get pretty close I think. It still has a little lean bog off the bottom end but it picks it up quick...

I need to know what jets to put in a single carb motor with a speedwerx pipe. That is the only thing done to the motor. I know how to tune it but I need a starting point to go with. I have searched all over and found specs for a dual carb motor, 80 L 135H 115g spring and 2.5 needle. That is...

A member from the board told me about a half girdle kit made by R&D back in the day. I was wondering if anyone knows where to get one or could maybe fab one up for me. I plan on getting a full on girdled head eventually but cash flow is a little tight right now. If anyone knows, please post up.

So I bought a speedwerx pipe used and have been putting it on the ski. So far the pipe is going in smooth. Had to slot the holes on the top and lined everything up without the coupler first like I found out by searching this site. Now comes the jetting. From what I can find, 145 main, 80 pilot...