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Old 05-31-2014, 11:34 PM
fischer550 fischer550 is offline
Motorized Bicycle Elite Member
Join Date: Mar 2014
Location: Fort Collins, CO
Posts: 233
Default White spark plug.

I just finished a build yesterday and was just cruising today for about 5 minutes at no more than half throttle. I am at elevation 5,000 feet, and I was running 16:1 (I know most on here disagree with that, but fred at recommended it to me). I didn't do the WOT plug chop because I don't want to run it too hard during break in, but I took off the plug and it was 100% white, which I thought was odd because it was 4 stroking a lot. Any suggestions? The stock NT jet is in there now. Should I lean out the fuel mix?
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