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Old 08-06-2009, 02:23 PM   #1
pbluga
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Default 89 PG3 What should compression be

I have a 1989 EZGO. that will not start!
I believe it is a PG3 engine?

Compression tested to 120 psi.
Ran leak down test and was seeing gas coming out of the crank seal.
Reed valves look good.
I have already went through the carb.

Am I on the right track?????

Is a 120 psi compression enough for these type motors?

Can anyone help a new guy out???

Thanks,

Pete
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Old 08-06-2009, 02:32 PM   #2
mikesmotortoys
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Default Re: 89 PG3 What should compression be

Compression is low. Should be 140 or more.

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Old 08-06-2009, 02:39 PM   #3
pbluga
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Default Re: 89 PG3 What should compression be

mike,
when i took this reading the motor was cold.
are your numbers warm or cold
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Old 08-06-2009, 04:22 PM   #4
mikesmotortoys
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Default Re: 89 PG3 What should compression be

Doesn't really matter - 120 is low (not terrible - but low). Do you have a "warm" reading?

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