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Author Topic: RM370 stator, cdi and rotor, will they work on a 400C?  (Read 1082 times)

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Offline Doc

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RM370 stator, cdi and rotor, will they work on a 400C?
« on: July 15, 2014, 10:29:53 am »
Just wondering...

I know the stator is the same but can't see why the rotor or cdi (different part #'s) wouldn't work also when the 400 is basically an overbored 370.

There are more options in aftermarket ignitions for the 370 where most don't even list the 400 hence I am curious about the interchangeability.
« Last Edit: July 15, 2014, 11:36:12 am by Doc »
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Offline micko

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Re: RM370 stator, cdi and rotor, will they work on a 400C?
« Reply #1 on: July 15, 2014, 09:51:27 pm »
Hey, just try it. As you say there basically the same motor, same stroke just bigger bore. CDI will have a different curve but that shouldn't matter. I run a 125 CDI on mine, starts easier and revs higher.
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RM370A RM250A RM125A RM125S YZ250A YZ125C XR75K4
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