I have a fresh rebuilt SBT motor, I finished breaking it in and it ran great until a couple of days ago. The motor killed while riding it and would not restart. Compression is 125psi, has spark, fuel & carbs seems fine. When turning over the motor the engine seems to back-fire through the exhaust. We have replaced spark plugs, checked all battery connections and we are not sure what to try next. Any help would be appreciated.
Andy from Burnsville Minnesota
Andy from Burnsville Minnesota
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