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recently picked up some project bikes off CL for cheap. got a honda fourtrax (the ancient 4x4 kind with the straight axle in the front as well as the rear and a back-up kick-start) plastics are crap, but my goal is to get running like a champ and patch the plastics up and sell to one of my many friends that want a reliable 4x4 for dirt cheap and doesnt care what it looks like.
so the former owner says it needs carb rebuilt, but its sat for 3+ years since so who knows. things I see: carb is missing (he gave me a box of parts along with the bike), engine turns over and feels good with kick-start, brakes need work, battery missing (That always puts me off, cause then I know most likely someone's been tampering with the electrical.
By ray desocio
I posted earlier looking for a wiring diagram, but maybe someone can help me with the problem if they’ve had it before.
The quad Will start and idle ok, when I open the throttle it will rev all the way up until WOT and then it dies back down to idle, and if I keep the throttle wide open it will rev back up. It will do this over and over and over.
I replaced the carb, (twice), Rectifier, battery, and spark plug. The Stator ohmed out to the proper specs from dinli. The other issue i can see is I’m not getting 12v on the choke circuit. The lights don’t work either.
possible bad key switch? Maybe the new rectifier is bad? All the contacts on the key switch also ohm out properly
comprsssion is up to 125 psi and spark is there.
Reed valves look great.....
im at a loss. Any trouble shooting advice would be appreciated.
By Steve Howard
Ran find shut down the quad next day would start and idle when you try to accelerate it would start popping through the carb got a rebuild kit soaked it in chem clean after break down for 12 hours on slow vibrate reassembled and adjusted per manual still the same thing any help would be really appreciated thanks and happy ridding
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