zeprep251(at)aol.com Guest
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Posted: Sun Jan 29, 2012 8:38 am Post subject: RotaxEngines-List: 912 80 hp back-fire on shutdown |
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Ernest,
It takes fuel, air, and a source of ignition,probably outside of the combustion chamber.Something hot enough in the exhaust to set off the charge,too much air with fuel in it,or too low of an octane .Look for any leaks in the exhaust close to the heads.
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