black goop on outside of spark plug

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Joshoakley15
Member
Posts: 3
Joined: Sun Mar 26, 2017 3:09 am
Location: Dearborn heights

black goop on outside of spark plug

Post by Joshoakley15 »

black goop on outside of the spark plug
really rough at top end and barely accelerates at initial take off
i have a prima pipe,contra 1500,and 5g roller weights
mainly concerned with black goop on outside
wont let me add picture but it is black sticky goop
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