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Old 05-01-2012, 10:15 PM
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Al.Fisherman Al.Fisherman is offline
Motorized Bicycle Elite Member
Join Date: Sep 2009
Location: Calera, Alabama
Posts: 1,966
Default Re: BP6HS spark plug clearance issue?

Originally Posted by chistoso View Post
Has anyone had any piston clearance issues with the NGK BP6HS Spark Plug? It is just a bit longer than the stock one.
If you haven't installed it yet, do it and take wrench (14mm/socket) and rotate the crankshaft with the magnet nut (clockwise). Do it slow just in case it hits the piston, which I don't think it will. If it does you can either add a head gasket or install a washer on the plug.
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Ron ><)))))*> Calera, Alabama
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