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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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12
2005 Bruin 350cc Oil pumping into airbox
Really great advise and info. It all makes absolute sense. I did have a problem with the float needle in the beginning. I replaced it and reconditioned the carb. This is also when I did the top end. Thanks guys -
12
2005 Bruin 350cc Oil pumping into airbox
Good call Mech! I have never seen this happen but generally the first thing i do is check the oil and if its over full or smells gassy or feels just not oily, change it immediately. Glad you got that sorted out. -
12
2005 Bruin 350cc Oil pumping into airbox
The fuel starts evaporating out of the oil once it gets just slightly heated and the fuel filled fumes drowns the engine... just like flooding. Seen it plenty of times. At the same time the thin oil, carried with this excessive amount of fuming, gets past the usual oil/air separation systems and fills the air-box with oily fumes which separate out in the box. The float needle allowed the sump fill, but may not be the cause. Float needles can seal plenty well enough for maintaining the fuel level during a days use, but let enough leak through to flood an engine over night if the fuel tap doesn't get turned off. If the needle valve worked perfectly it wouldn't happen, but a lot of needle valves that seem to work just fine during the day can fill the sump if the tap leaks. I'd check the fuel tap because that test is so simple.. Turn it off, pull the hose and watch for a drip. I'd open and close it a few times checking it closed every time. If the tap is working ok then I'd check how the bike runs and consider cleaning the carb, but I'd check whether the float level seemed to be ok and was ok during a days use.. It is possible that someone forgot to turn the tap off one day, or, the tank breather didn't work ad pressurised the tank and caused the problem. -
12
2005 Bruin 350cc Oil pumping into airbox
That should not have fixed anything but diluted oil, it should still run with gas in the oil just doesnt lubricate well and toast your engine. Generally gas gets into the crankcase when the needle and seat is bad and lets gas seep by and into the crankcase. -
14
2005 Bombardier Traxter 650 CVT Compression? Tops out at 20 MPH.
I'm familiar with the clutches on these quads, the difference is they utilize an engine braking system which is not on snowmobile CVT clutches. If everything in there checked out, then you may still have a problem relating to the electronic module. Could be its still not working properly.... Since they are likely not available new anymore, you'd have to find a "known good" used one which would be kind of rare. Good luck on your quest! (BTW, that's an inside joke - the quad you have was originally named the Quest I believe, at least here in Canada it was, haha)- 1
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14
2005 Bombardier Traxter 650 CVT Compression? Tops out at 20 MPH.
This ATV has the CVT clutch. I watched the clutch and both pulleys engage as I think they should. This setup looks very similar to how a snowmobile clutch works. -
12
2005 Bruin 350cc Oil pumping into airbox
I changed the oil and the problem went away. How does fuel get into the oil? -
5
02 Bayou 300 solenoid connections
This is much clearer and understandable than the diagram I found. Again, Thank You. Cavry- 1
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