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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 Colin Davis
I recently acquired a Yamaha bear tracker 250 that does have a wiring harness. Does anybody have a wiring diagram for the 250s. Also if you have a pin diagram that tells be the colors of the wires going to the cdi and rectifier or just a picture of the plugs would be much appreciated. I can’t find anything on the harness online. I have all of the switches and stuff and I plan on just build a harness myself because I can’t find one to buy.
Have an Bear Tracker 250. Dont have the manual or any literature to help with. Anyhow, starts with pull start in gear, and electric starter doesnt work. Also, neutral light doesnt come on. Where should I begin?? Need some direction on troubleshooting all this. Thanks a million.
I rebuilt the carb on a 1989 350 Big Bear. This is a Gen 1 carb ( 2 cables running to throttle).
Quad starts and runs but I have fuel leaking from the air intake.
Is the float set to high / low?
Does the needle for the main jet need adjusting? I have it on the center groove ( 2 groves above and 2 groves below).
All jets are new, float and needle and seat are new.
Thanks for your help
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