Alright so I'm working on it now. I have some gas in the tank from last time and it seems as though it went right into the motor. Pulled plugs and gas was shooting out like crazy (from header too). Pulled until no more came out. Put some gas in tank, pulled. Gas seems to be leaking from the fuel pum...

Nathan, check pulse line on fuel pump for fuel leaking through. You can also leave the pulse line off while you pull the engine over to help blow fuel out of crank case. Be careful because it will spray out of the hose a long way! Dave Alright I'll check that. I haven't had a chance to work on it, ...

Ok thanks for the advice. I'll pull the plugs, and pull my arm off. Already got one blister from pulling, but what's a couple more haha I'll update tomorrow. Also never got into an engine. Replacing crank seals?..pull engine open, take out old seals, put new in? Once again thank you for your help, N...

Okay so I went and tried again today. I found out the air/fuel screw was about three turns wrong so I fixed that, pulled plugs and pulled it to get any excess gas out. Sprayed some ether, tried staring it and it sounds like it wants to start, but won't. Backfires sometimes too. Pulled the plugs and ...

I'm from State College (Central PA area). And okay thanks for the advice. I have the carburetor from the 78 with me and just went and cleaned it all up and adjusted it as that link says. I'll put that one on tomorrow and then re-tare apart the 77 carburetor and let you know how it goes.

Thanks

Hello I'm new to the forum and snowmobiles in general. I used to ride two of my pap's snowmobiles, 77 and 78 Cyclone 440. They both quit running and haven't been touched in years. Well I decided to try fixing them. I've been working on the 77 cyclone first. I took out the gas tank, intake, and clean...