New FMF turning blue

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GOTWHEELS
Posts: 2
Joined: March 31st, 2008, 7:34 am

New FMF turning blue

Post by GOTWHEELS »

Put a new FMF pipe on my CR 500, first trip out at the dunes and it started to turn blue around the header. Is this normal for running hard or am I too lean?
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2strokeforever
Posts: 1524
Joined: November 13th, 2009, 1:04 pm
Location: Vernon B.C Canada

Post by 2strokeforever »

its normal, but i dont know how far.... mine is blue/purple till the front top bolt of the ignition cover, on the inside of the pipe, the reinforcement plate is still normal....
if i was running lean it would be burnt down by now
weather is all over the place too????
the 450 will have less power and will be harder to start, and will be heavier, but to make up for it it will require more maintenance.
4stroke=dead fish
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caseyracing222
Posts: 569
Joined: January 28th, 2009, 4:20 pm

Post by caseyracing222 »

Mine started out blue then turned gold
-Jake

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