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Similar Forum Topics
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By Arizona
I recently bought a 87 TRX 250 not running of course, the owner had a brand new Key Switch on it.
I think it is the wrong one or wrong wire colors as the colors dont match up with wiring diagram i downloaded for it.
anyone have a pic of their ign switch wires where they connect with the wire colors for that model? I ended up leaving the black/w stripe and
green wire disconnected in order to hot wire it for other testing but would like to know as the colors dont match diagram.
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By neilroy87
I have a 1990 Bayou 220 that runs pretty well for it's age--needs a new muffler, but sounds tough. Have had to start with a pull cord since I got it, and recently started troubleshooting the start button. Finding a lot of information on this issue in the forum, but haven't been able to chase it down yet. Got a new battery, new starter solenoid, and going to replace the starter relay this week, but not convinced that's going to do the trick, since I can't get the neutral light on when turning the key on. I can start it by jumping the solenoid, but the 2 black wires to the relay do not activate the starter. Bad ground or a short somewhere? Is there a good way to just test the ground?
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By carkivey3
i just picked this up. was told ran fine but overheating issues led to replacing head gasket and head. has not ran since. he is not a mechanic but helped someone else who he could not get back to finish job, got aggravated and put up for sale. i was thinking timing issues. i have 110-120psi on all 3 cylinders so i think valves are correct. dont know about distributor yet. however i have no spark. i have no power going to ignition coil. tried to follow white wire but gets lost in wire harness. does anyone have a wiring diagram? can anyone tell me what conditions have to be met before starting. motor turns over so i would think all safeties are met but you never know.
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By P_syko
Hello all! I’m new to the 4 wheeler world, but not new to the mechanic world. I was a diesel mechanic for many years and last year got into jet skis. I just bought a 1987 Yamaha moto 4 350 and now learning the ins and outs of 2 stroke engines. Looking forward to learning all the things.
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By Snick
Bought the project a few weeks ago with weak and intermittent spark. I could smack the CDI box with a screwdriver and it would work fine for a few days. Now, the smack trick is not working and machine is running awful with the weak spark and will most often not fire enough to turn the engine over through combustion (cranks very good). I ordered the GY6 CDI to see if I can get it going again as these CDI boxes are way too expensive even used. battery is fully charged and charging very good.
Wondering if anyone knows how the GY6 (6-pin AC) CDI would wire to this machine. Attached is the electrical diagram. My confusion is with the green and orange wires sharing the 2-pin connector and the Blk/Red wire that runs to the magneto solo. How would I get AC power to the CDI through pin 1 on the GY6 when the CDI has two wires to the pickup-myabe just try one (orange then green) at a time?
^PINOUT:
5 6
2 4
1 3
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