Hello everyone. I am having issues with my ranchers valves not staying tight or seated? I adjust them to spec and within very little run time they will loosen back up so badly to the point where the motor sounds as if it is going to start dropping parts behind it on the trail…any ideas? I have been told to replace both intake and exhaust valve assemblies as well as that it is the cam causing the issue and to replace that??

I am putting my top end back together soon. How do I determine if the TDC with "T" in the indication hole is TDC exhaust or TDC compression. Does it even matter. This is with respect to the fire signal in the ignition/CDI. Read the manual couple time and still can get the answer.

John in OK

how do you diagnose a weak fuel pump? i have an 07 rancher 420 fuel injection that starts and dies backfires and dies if you try to give it throttle, im assuming thats a fuel problem? how do you check the fuel pressure on these?

I have a 1999 Yamaha big bear it starts Busting up at high rpm what could be the problem

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Hey guys,

Went to start my TRX last night, put the key in, neutral and reverse lights came on as usual. The neutral light stayed on and then disapeared. Suddenly I didn’t have any lights.

Trying to press the start button and no ticks, no nothing. The battery has 12.7 volts and the winch works just fine (it’s bypassed). The bike is also in neutral.

Now when I turn the key I don’t even get the neutral and reverse lights…

First time I’ve gotten an electrical problem so any help is appreciated!

Edit: Kick starter doesn’t work either, it just spins in there…

I have a 94 polaris 300 – first 4 whlr ever – have an oil question.
When we bought it – the owner said something about just adding the oil in with the gas each time. Ok – we have been doing that and no problems. We have had this for about 6 months using just to ride back in the fields with the kids and such. We really know nothing about fixing or repairing or anything like that. We all of a sudden now there is a red light on which we are assuming is an oil light. Do we need to check into this since we are adding the oil as we add gas?

Lorry

I know the news media was keeping Hillery Clinton off camera lately and I new something was up with her just by looking at her, now I know why.

Hi. picked up a couple parts 300ex and I have 3 working cdi boxes and figured I could part with one.make me an offer.

So 5 days ago a friend picked up a 1999 400ex they let us test drive it and it wasn’t in the best condition but we ended up buying it for $1000. She said it was ticking because the valves needed adjusted so we took it to another guys house who works on atvs he tensioned the camchain and we rode it a couple times and it acted fine. That night we were gonna go on a little ride and probably 10 minutes in the kid driving it said he downshifted and heard a noise like a knock in the engine and it shut off. After that we couldnt get it started. So the next day it did the same thing run for a little then shut off and after that point when we tried starting it the starter motor would just spin. So the next day we worked on it a little cause it needed a little tlc anyway so I adjusted the valves and we pit a new spark plug in. Then we hooked it up to the back of another fourwheeler and roll started it ran fine but could still here some ticking it even died and he pressed the button and it fired right back up. when we got it to my house at that point we roll started it and it drove for a little and we had to turn it off to fix a bolt in the shock after that point. nothing was going right. When we would try to roll start it it would start but only stay running with the throttle wide open and it had to be moving from being pulled to stay on. So we cleaned the air filter and took the carb and sprayed some cleaner in it. tried it again same thing. So tonight we took the carb apart and cleaned everything including the jets. Once again will start when in motion from being pulled but won’t accelerate and wont stay running unless being pulled. sorry it was so long but we need help.

Anyone build their own trailer to pull behind their ATV? We mostly use our ATV for plowing snow, but it would be nice to have a small trailer (maybe even a ‘dump’ style) for moving things around the farm.

Too cheap to buy one and too busy to reinvent the wheel . . . hoping some genius made their own and would be willing to share the plans for it.

Thanks!