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Jeff Policky
Jeff Policky, Motorcycle Mechanic
Category: Motorcycle
Satisfied Customers: 2425
Experience:  Yamaha Gold, Suzuki Gold, Honda Bronze, Polaris Bronze, BRP
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I have a 1978 rm400 it has good compression ,new cdi,coil,carb.,bearings,stator,and

Customer Question

I have a 1978 rm400 it has good compression ,new cdi,coil,carb.,bearings,stator,and it very hard to start. the only thing I can think of is timing.
Submitted: 1 year ago.
Category: Motorcycle
Expert:  Wayne S. replied 1 year ago.
Hi, can you give me the color of your spark plugand general description like "oily, dry, black, brown, whitish,fluffy carbon, or any other conditions you notice.I will get back to you as soon as I hear from you.Thanks