What spark plug for my 80/66cc engine?
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04-22-2010, 10:01 PM
Motorized Bicycle Elite Member
Join Date: Aug 2009
Re: What spark plug for my 80/66cc engine?
Port matching the exhaust and intake for better air flow would be a free mod to gain a lil' more,if you own a rotary tool or even a drill that would do it.
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