what is 4 stroking?

i want to know what is 4 stroking and what are the signs that my ped may be doing this?

i own a qt50

thanks j

Re: what is 4 stroking?

4-stroking is a type of misfire specific to 2-stroke engines. It usually happens at or near full-throttle, and can be due to an over-rich mixture.

If it happens, there is an immediate loss of power, and the exhaust note changes - it goes down in frequency by one octave. There is an obvious stuttering quality to the engine, as well.

Take a look at this thread - a lot of common questions are covered:

http://mopedarmy.com/forums/discuss/read.php?f=1&i=188637&t=188637

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