A back-fire or backfire is an explosion produced either by a running internal combustion engine that occurs in the air intake or exhaust system rather than inside the combustion chamber

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Tuning an ancient carbureted Honda motorcycle

I was in an accident recently. Tboned by a minivan at an intersection. Totaled my nice bike. My buddy gave me an old rust bucket he had laying around just to get me to work for a few weeks until I ...
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Ford 460 Does Not Start Only Backfires When Cranking Over

I have a Pioneer Jet Boat with a Berkeley Pump attached to a Ford 460 big block. The 460 has a Holley carbureter, and Basset water-injected headers. The engine was running fine until one day when ...
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Change in exhaust note after extreme backfires--what did I break?

I had quite a morning with my 1986 BMW K75 this weekend. The plan was to ride the bike to a friends house to store it for the winter. The weather was pretty cold on this particular morning, perhaps ...