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Old 04-21-2010, 08:20 PM
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Pablo Pablo is offline
Master Bike Builder & Forum Sponsor
Join Date: Dec 2007
Location: Duvall, WA PNW
Posts: 3,649
Default Re: What spark plug for my 80/66cc engine?

As mentioned you have a choice.

Starting with a B6HS is a good middle of the road decision. Here's our plug line up:

SBP NGK Selection - still scrollage down

Extended tip, (indicated by the "P" in NGK part #'s,) means the whole electrode protrudes further into the combustion chamber.
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