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Old 06-24-2008, 01:19 AM
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Egor Egor is offline
Motorized Bicycle Elite Member
Join Date: Jan 2008
Location: Hurricane Utah
Posts: 714
Default Re: Is This Normal Looking?

Looks OK for the break in period, should be rich. Those spots on the piston are where the Scavenging ports are in line with, and as the blast of mixture comes out it washes the piston off. That should be a good spark plug NGK, and I like that heat range. Have fun, Dave
Its just a job. (Link) My shop is in the lower R/H corner.
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