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Old 04-11-2011, 10:31 PM
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mapbike mapbike is offline
Motorized Bicycle Elite Member
Join Date: Mar 2010
Location: Central Texas
Posts: 5,379
Default Re: bought a replacement engine and it wont start.

What you mean is "spark plug GAP" This is the space between the electrodes that the spark/fire arcs between, I set mine plug gap at around .028 - .030, if the gap is too wide or too close it will cause the spark to be weak.

if you dont have one already just go to your local auto parts store and tell them you need a spark plug gapping tool and they can fix you up, that is a very inexpensive tool.

Originally Posted by mathersi View Post
i keep reading about sparkplug spacing? is that just the two rings that came around the sparkplug threads or do i need to do something else...?

hopefully i can get it running tomorrow and use it
I dont always ride WOT, but when I do..I do my best to keep the rubber side down..Ride safely my friends!
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