Hey everyone I've a 1993 350cc Polaris 4X4 it's has new piston and rings, had the head sized for the new piston and rings. I tried a compression test on it today and it's running 100 psi and I'm just wondering what could be the problem for it running so low? Any advice would be great cheers
The piston to wall clearance should be pretty consistent the entire circumference. If it's more in the back than the front I would assume the rings are worn.
Seems to me it was a honed cylinder after a ring failure. That is too large of a difference in diameter. It could also be undersized piston but the bore should be more true than that.
OK I just re-built my entire rear end - bearings, seals, etc.
The rear axle bearings are normal tapered roller bearings etc as you know.
The silly bike has a grease fitting right in the middle of the rear axle (as you know) and I am trying to understand what good that thing is.. the last thing...
I recently got a 1997 Polaris 6x6 that I'm going over, cleaning up and starting to use... Hi and Reverse work OK (new to these machines so I don't know how it SHOULD do) but anyhow when I try to use LOW: shift lever moves, the linkage and shift ear on outside of trans both move but the gears...
I drove it about a quarter mile yesterday and noticed it was smoking a lot and it finally make a clunking noise, lost power and died. After that I couldn’t budge the pull start. Took it home and pulled off the belt cover and that was fine. Pulled off the starter cover and that was find. I was...
Hello! I am new to the ATV scene I just purchased my machine last night. Everything was going great until I decided to try the pull starter. Something broke loose and cracked the housing. I was trying to search for a good used or cheap new recoil seeing as this is my first machine. Any help...
So my Sportsman was running great, then I parked it where I stopped to get off to talk to someone. It started right up but then died. Now when I try to start it, it did back fire 2 different times, and also will just barely fire. If it sits for a little while it will start and run for about 15...
A forum community dedicated to Polaris ATV owners and enthusiasts. Come join the discussion about Rangers, Sportsmans, Scramblers, Magnums, and others. Research modifications, troubleshooting, maintenance, and more!