1985 yamaha moto 4 not starting
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By Mech
View File 1987-1990 Yamaha YFM350ER Moto 4 service manual
YFM350ER Moto 4 service manual. !987,1988,1989,1990.
Submitter Mech Submitted 02/10/2025 Category Yamaha ATV
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By Eisaks777
hello, i have bpr bombaradier rally 200 2007 which has a lot of gasoline in the oil sump, it is 4 stroke. Has anybody had problem like this and which can be the cause and how to fix it. i rode it today at -2 degrees celcius if it helps.
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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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By Need-help-with-quads
So my moto 4 is smoking white smoke and when I go to first gear and get about half throttle there’s no power and it sounds like it’s bogging
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By KdlH
Following on from this thread;
I've finally got around to pulling the clutch cover off to have a look at the shifter ratchet mechanism. The screw holding the pinned star wheel has come loose and the wheel flops about. Unfortunately the keyway on the shifter cam has broken on both sides, I found both pieces.
Anyone had this problem?
The keyway on the cam "ramps" out, so I'm thinking of making a slightly longer key with a ramp ground into it. I'll put it back together with retaining compound. It may not work but I think it's worth a try.
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