Help gk76a just backfires

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Rswracing
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Help gk76a just backfires

Post by Rswracing » Mon May 08, 2017 4:17 pm

My gk76 ran OK yesterday but today just backfires on cranking any ides please
Many thanks
Rick

moforockband
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Bike owned: GK73a SP CRM250 mk3
Re: Help gk76a just backfires

Post by moforockband » Mon May 08, 2017 9:02 pm

Carb o rings need to be A1 with correct fuel level, new spark plugs. Compression check at least above 140 psi cold.
Also make sure that the HT leads are deffo on the right cylinders.


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