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 engine rpm 
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Post engine rpm
i have a mb 45mag. my tach says it is idling at 1200 rpm's. is this right? cuz it really dont sound like its idling that high.

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Fri Feb 11, 2011 6:45 pm
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Post Re: engine rpm
Thats right. If you tach was bad it would read either 1/2 or not at all is what I have seen.

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Fri Feb 11, 2011 7:46 pm
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Post Re: engine rpm
but while im running it reads like 14,000. the motor is brand new

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Fri Feb 11, 2011 9:16 pm
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Post Re: engine rpm
Well i can tell u that something is wrong somewhere i had a tach do that to but it said i was idelin at 2250!!!! and i switched the ground and the red wire to the other side of the motor and it startin workin right and then like 2 days later did the same thing so i changed tach and everything was fine after that!!! and if it's brand new it should be under warranty!!!


Fri Feb 11, 2011 9:20 pm
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Post Re: engine rpm
ok thanks. ill look into it.

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Fri Feb 11, 2011 10:14 pm
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Fri Feb 11, 2011 10:18 pm
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Fri Feb 11, 2011 10:50 pm
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Post Re: engine rpm
Jet engine RPM is read in % not RPMs


Wed Feb 16, 2011 1:04 pm
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