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Good Morning All!,
After a significant amount of reading and tinkering, I'm stumped. We have a pair of Arctic Cat DVX 90s (4-stroke), and one of them runs very rich at wide open throttle. I've cleaned the carb (which was installed new last year), verified the main jet (80) to be per the original spec, installed a new air filter, tried a hotter spark plug (CR6HSA), and adjusted the valves (tightened a modest 0.0005" but improved starting). The hotter spark plug may have help just a bit, but not appreciably.
Just for fun, I swapped the CDI between machines, and that didn't help either.
Fouling plugs very quickly, but not to the point the machine will not run or start. [black instantly]
Logically, I assume I'm revving out, but the other machine doesn't "stumble/blubber" anything like this one.
Should I try a smaller main jet?
Any ideas you guys may have would be much appreciated.
Thanks in advance everyone.
So my quad will start and run pull start, i installed new battery, solenoid, ignition. the problem is
1 the starter will try but not start. the quad.
2 when running i cannot shut it down with either the switch or the ignition i shut it down by allowing the fuel to run out.
3 no lights come on headlights or brake lights
when i turn the ignition on my neutral light works as well as the reverse indicator.
any suggestions greatly appreciated.
And the new 300FW is already wounded. Something got in a bind and blew the whole chunk of case out around the primary drive gear at the back of the motor. In the pic you can see the crack along the top...there is a big chunk missing from the bottom. And it won't roll....but the front and rear diffs both seem fine. Unfortunate. This looks to be a bit of a project. Still feels like it will shift through gears so i'm wondering if the ring and pinion just jumped a bit and blew something to pieces. I have a parts bike. But will this require the case to be split and transmission completely disassembled? I assume you can't just slide the broken primary drive out and slide the replacement in?
I have a 2001 suzuki quadmaster 500 4x4 that has a rev limiter when it is in any gear other than neutral, i have already fixed a bunch of stuff on it and would love to just bypass it if anyone knows how. Thanks for any help.
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