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Bike running super hot please help ASAP

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I have a 2007 crf150r and within a couple minutes my exhaust is glowing red and it just super hot so far I have put the 45 pilot in it trying to fix it but haven't done anything could adjusting the fuel air mixture screw fix this when it's running this hot it's also back firing a lot but it starts on the first kick as far as I know it has a fresh top end on it (just got it don't for sure know) please anything helps leaving tomarrow for a trip

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set the fuel screw at 1 turn out

start the bike

lower the idle as low as it will go

now turn the fuel screw out to raise the idle (1.5 - 2 turns is normal)

If the idle goes to high, lower it with the idle screw, low, and repeat

 

If it backfires, as in ka-bam, your timing chain is off one or more teeth

 

If it has deceleration popping, that's because it's too lean on the pilot, hence the need to properly adjust the fuel

 

If it won't idle, replace the pilot jet, and clear the passage above the pilot with stiff fishing line and spray cleaner

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