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QUADCRAZY ATV Forum & Community
Welcome to QUADCRAZY, an online ATV Forum & Community. Connect with fellow ATV and UTV enthusiasts on our active forum dedicated to all things off-roading. Share tips, tricks, and stories, and get advice from experienced riders. Find ATV and UTV owners and enthusiasts ranging across all makes including Suzuki, Yamaha, Polaris, Arctic Cat, Kawasaki, and Honda. Join today!
Yamaha ATV Forum
Yamaha ATVs conquer mud, snow, hills and trails with ease. Get the inside scoop on Yamaha's latest ATVs, join discussions on upgrades, maintenance and repairs, and share your off-road adventures on this comprehensive Yamaha ATV forum.
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Recent Forum Topics
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15
TRX350D fuel pump problem
What you say makes perfect sense but I think I must still have enough fuel in the tank to allow it to gravity feed as I tried removing the pressure line and blew into it...still nothing!! I gave up yesterday after stripping the whole top end and the wiring loom. Fuel relay working on rpm makes sense but I don't know what activates the fan as I can't find a thermostat!! Will have another go later today...... -
15
TRX350D fuel pump problem
Thanks, no, I haven't noticed any other problems. I have now stripped out the complete wiring loom and will now test each of the wires!! -
24
1997 Yamaha big bear 350 Shift shaft issue
Yeah it does sound like a bad switch, you can take them apart and clean them up, but for this level of inconsistency i would just replace it . Aftermarket ones are fairly cheap and i havent had any problems with them. -
8
2005 Bombardier Traxter 650 CVT Compression? Tops out at 20 MPH.
Bought a brand new sparkplug coil. It measured 1.6 Ohms. It was harder to start, backfired more and ran same as old one. -
24
1997 Yamaha big bear 350 Shift shaft issue
You operated a switch.. There's a bad connection/contact somewhere.. You need to be doing what's called a "voltage drop test" on every suspect part and all the wiring. The test is to check for any voltage drop along a wire while it's got power in it and flowing to/at the wires's usual load. Look up voltage drop test and it will be explained and probably demonstrated online. -
24
1997 Yamaha big bear 350 Shift shaft issue
I cleaned up some plugs that had dirty and oil in them If I play with the light switch the starting relying clicks I walked away for a minute came back head and tail lights where on start button worked turned off the kill switch a few times came back on now I have nothing again what the hell is going on -
15
TRX350D fuel pump problem
I had a similar problem on my 350, but if it runs on choke the pump must be working, since the fueltank is lower than the carb. Maybe you have a clogged carburettor? When I crank the 350 for a split second the pump starts and build preassure then it stops. I do this everytime i start it to "prime" the fuel lines so i dont have to crank it so long. Inside the fuelpump is a preassure switch to that cuts the power to the pump when there is enought preassure in the line, The fuel relay somehow works with the rpm of the machine. I hate this setup, almost thought of putting a gastank from a 300 trx on it 😃 -
15
TRX350D fuel pump problem
I thought you might have already done that, just thought i would mention it. This is a tough one. You may be right about the fan controller, i would check all the connections very carefully at the controller and CDI for good contact. Is there any other problems going on other than fuel pump? -
7
2005 Bruin 350cc Oil pumping into airbox
Agreed! None of these problems should cause it to only run for a few seconds and quit. -
1
Maintenance
I would change the oil , change the fuel filter, check the differential oil, if really black or milky looking change that. Also replace spark plug.
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