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350s - All three F5s - (Engines stock) other then clutching

-20 below to whatever - Trails and lakes

Zero issues - Great piston wash and plug color - A combined 20,000 miles between all three F5s

Wisconsin and U.P. riding elevation
 

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340 mains with clips 4th clip from the top, 35 pilots, things is wicked snappy :div20:[/b]

:withstupid:

Just did a 100 mile ride at -20* with no issues, only differance is I am sitting middle clip position. FC5SP and I have been sharing info and have almost identical setups.
 

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will take a true reading of the plugs after the break in gas has run it's course but the plugs are already looking better. EGT temps are good too.
I may run my bore scope down the cylinders this weekend and see whats going on
 

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I've done testing at ZERO degrees with 350's for half mile runs. Plugs still black. Stock engine. NO additional timing.[/b]
F5's have a sensor in the pipe to advance timing in accordance with expansion chamber temps.

If plugs are BLACK with 350's I would look at your oil mixture, unless your at altitude.
 
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