94 Vmax 600 Rev Limiter?

J

JDPULLER

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Joined
Jun 10, 2009
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5
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MINNESOTA
I HAVE A 94 YAMAHA VMAX 600 BORED OUT TO A 700 PORTED AND PIPED I HAVE 38MM MIKUNI CARBS WE RUN THIS IN THE SUMMER IN A MINNI ROD WE GROUND THE WEIGHTS TO GET A LITTLE MORE RPM AND NOW WHEN WE GET UP AROUND 8000-8400 RPM IT HAS A MISS ALMOST SOUNDS LIKE A REV LIMITER WHEN WE BACK THE RPMS DOWN TO 76-7800 RPM IT RUNS GREAT. DOES ANYONE KNOW IF THIER ARE REVLIMITERS IN THES IF SO CAN THEY BE REMOVED. :2strokes:
 
i dont think there is a rev limiter ..they run them rpms in the sled ....sounds like a clutching issue ...i would say thors but you probaly have bypassed it and removed it ...
 
If there is a rev limiter it will be programmed into the cdi so the only way to get around it would be to reflash that. Probably not going to find a race box for one of those anymore if anyone even made one.

Good luck.
 
that may be an issue the pto cyl plug cap was 6.5 and the mag cyl was 13.75 i tried some ngk ones i had lying around but they were both over 12 ohms i will get some new ones tommorrow and see if that helps this weekend
thanks for the help :nos:
 
well we changed the caps and the plugs it ren better but still has a little miss and today it did not go away at lower rpms I am going to have to check over the wiring again any other ideas?
 
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