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Old 06-04-2010, 01:03 PM   #1
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Default nitro help!!

my engine will only idle at about a quarter throttle!! whats wrong??
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Old 06-04-2010, 01:09 PM   #2
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You're to vague...

Is it running too rich?
Are you breaking it in?
Did you disassemble it and maybe put in the piston backwards?

We need some more info to diagnose what's wrong.
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Old 06-04-2010, 01:10 PM   #3
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Alot more detail please.
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Old 06-04-2010, 04:19 PM   #4
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do you know where the idle set screw is??

if you find it, turn 1 turn clock wise and then cranck the motor, if it idles high, then turn the same screw CCW 1/8 of turn untill you reach a good idle.
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Old 06-04-2010, 04:27 PM   #5
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Originally Posted by mcneisha View Post
my engine will only idle at about a quarter throttle!! whats wrong??
what engine is it?? go back to factory needle settings and go from there, sounds like your low end needle and idle screw are out of wack
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