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I just had to mention this. The 911 cover idea and many more clutching innovations came from a guy named Duane Watt. I hope I spelled his name right. He had a business called Hi Tech performance. He was a machinist and a great innovator and a great person to deal with. I first used his products...

Probably a stuck needle valve. I had it happen to me. Seemed to be a combination of ethanol containing fuel from Michigan and not starting for several weeks. After removing the airbox I could see gas pouring out the needle jet of the effected carb when the sled was idling. I suppose it could be...

Was this 15 miles of full throttle passes? Do you have studs and if so how many? It sure would be nice to see a pic of the belt. I think that breaking a belt in half is from high shock loading rather than just heat from bad alignment. Maybe the hook up on grass is better than snow or ice and is...

I agree with Sasquatch about not using a second water pump. I'm pretty sure the stock pump will be up to the task of getting sufficient water through the system. I would remove the thermostat from the housing and start it up. Water will flow through the whole system right away and you should be...

I read your other thread about the misfiring problem. I had a similar situation that lasted for a couple of seasons. I cleaned the carbs a half dozen times, replaced the in tank filter, replaced the fuel pumps with a borrowed pair and removed the little screens above the needle seat assembly. I...

If I won a lottery I would have an M20 diamond airwave and the front Air Assault shocks set up like Northern Sledder. I just can't justify spending the money on my old RX1. Really my machine runs great and has been well maintained. I've done a lot of changes and it surely is a better machine...

I had an M10 in my Vmax4. I had a lot of teething pains with it but in the end I got it too work really well. Things I learned that worked for me were to run the track real loose with 2 to 2.5 inches of slack under the rails with the rear end suspended. I initially couldn't do this without...

How tight were you running the track?

Its hard to imagine what could have happened to your shock. I have had my Soqui shocks apart many times for a rebuild and I have often struggled to get the snap ring out. When freshly rebuilt and charged it would be next to impossible to remove it even if the ring had broken in a couple of...

How old is the battery? I had a similar situation with my 03 where it would crank at what seemed a normal speed but not start. The battery would run down and I knew it would just kill the battery dead if I continued. It would always fire right up when I got a boost from my friends Apex. I ended...

Agree with MrSled. Run the nut on several threads.Use a long extension bar with the socket. Hit the end of the extension with BFhammer so you don't damage the nut and threads.

I'm looking for a set of 4 stick coils for an RX1.

When you did the compression test did you hold the slides up. It makes a big difference for the better. I just lift the slide with a finger. Your sled should have the good rings so I would be very surprised if you need a ring job at the mileage you are at. I would just start using Seafoam in the...

The motor is a dry sump design so most of the oil is in the remote oil tank. You could probably cool it down by packing a couple of bags of ice around it between rounds. I'm not so sure that you want to cool the oil down. Hot oil is thinner so less internal drag. The intake charge doesn't go...

I made one form RX1 out of one half inch copper pipe. I am away from home right now but if interested I can post a pic. It has worked great.

I wouldn't have any problem with a used bearing that was free of rust and felt good when I spun it by hand. I have rarely heard of a failure and they have a steady supply of engine oil for long life. I think they are way overbuilt for stock engines and should last just about forever.

The carbs have vacuum operated slides. Opening the throttle will not cause the slides to lift unless the motor is started. I lift the slide manually when doing a compression test and tape the flipper to the bar so that the butterfly valve is open.

There are small screens under the needle valve and seat assembly. I removed them years ago and have not had any problems since.

Sorry. I don't remember a spec for an RX 1. I used the calculated value.

I set mine without the coupler. I just made a rolled paper tube for 3 AA batteries in series and attached wire leads to the + and - terminals with a bit of solder. I stripped the ends of the leads and was able to attach them to the TPS switch connector using a helper to hold them in place. Just...