2005 Polaris predator 500 won’t start

So last summer I rode alot but the quad seemed to burn alot of oil so I stopped riding it as much, but also any time I had it running it had a knock to it it that sounded like valve knock, I was told to adjust valves but im not sure how to adjust them on this quad to I didn't bother it, I just stopped riding it, I pulled it out a couple of months ago to ride it and it wouldnt idle on it's own but if I got into the gas too much it would cost down and die, so I put it aside for a couple months, now im finally getting back to it and I can't get it to start, pulled the plug and has spark, has gas but won't fire!? I pulled intake off and when I crank it air comes out of the carb along with old winter gas, I haven't got it to fire one time since pulling it out of the shed but I ran a compression test on it and it didn't even read, it would fuck the gauge alittle but didn't get anything, I assume because a valve is stuck open and all the compressed air is escaping through the carb? Can anybody help me out? Could a valve just need adjusted or be stuck open and if so how do I adjust them on a shim under bucket system?

2005 Polaris predator 500 won’t start

So last summer I rode alot but the quad seemed to burn alot of oil so I stopped riding it as much, but also any time I had it running it had a knock to it it that sounded like valve knock, I was told to adjust valves but im not sure how to adjust them on this quad to I didn't bother it, I just stopped riding it, I pulled it out a couple of months ago to ride it and it wouldnt idle on it's own but if I got into the gas too much it would cost down and die, so I put it aside for a couple months, now im finally getting back to it and I can't get it to start, pulled the plug and has spark, has gas but won't fire!? I pulled intake off and when I crank it air comes out of the carb along with old winter gas, I haven't got it to fire one time since pulling it out of the shed but I ran a compression test on it and it didn't even read, it would fuck the gauge alittle but didn't get anything, I assume because a valve is stuck open and all the compressed air is escaping through the carb? Can anybody help me out? Could a valve just need adjusted or be stuck open and if so how do I adjust them on a shim under bucket system?

HMF on a 1000

I know exhaust threads are everywhere and I sort of got some answers but I just wanted to post again to see what people come up with. I just got a '16 renegade 1000. It came with the HMF full (i think) Performance exhaust and the HMF optimizer. Without riding it I know it will be too loud for me. I also have a stock '09 800 and I am happy with the stock sound. So my questions...

If I buy quiet cores for the dual HMF's will I actually be able to do full day trail rides with no ear plugs and no ears ringing after? And will I have to adjust my setup on the optimizer?

2016 Polaris XP 100 Touring

Hello all,

I am looking to get some bigger tires for my ATV. I have been looking through the forums and cannot find anything recent. I saw some posts about the rear passenger foot rest being in the way but also others that say the 27" will fit. Any input would be greatly appreciated. Right now I have 26x9x14 PXT and 26x11x14 PXT w/factory rims.

Thanks.

Water in my rear diff

So I finally got to take the new to me 15 outlander 800 xmr for its maiden ride I was doing some cleaning off in a stream and noticed some milky looking fluid in my vent tube so I'm assuming I've got some water in the diff. I'm looking for some suggestions on how to flush the fluid out. I plan on draining the fluid and switching from vent lines to bellows to rule out the vent line leaking. Should I drain the fluid then put some cheap 75w-90 in it run it again and then drain it and put the recommended 75w-140 in? I called around some and the shops I called said they get the diff good and got then drain the fluid and put new in but I'm not convinced that all the water would be gone.

2011 sportsman HO no lights

New here. Have an ‘11 sportsman. Lights were working, now I get nothing not even brake lights. Is there a relay or fuse some where to check?


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Broken shift shaft

I took my 2007 Polaris Outlaw 500 out yesterday afternoon and somehow the chain got some slack and completely mangled the sprocket. Also as a result it snapped the foot shifter clean off at the case. So I was wondering if there’s anyone out there who has encountered something similar. The shaft that the foot shifter bolts on to is totally broken off and there is no way to reattach except for installing a whole new shaft for the shifter to bolt on to. Seems like you may have to tear down the whole bottom end of the engine. Any one has this problem or any ideas on how to go about fixing it?