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what should my compression should my 115 merc be

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JUNIOR PASION

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what should my compression be? i have a 1999 115 i had it tested i was wondering if my results were within par.
 

Ken Neeley

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This isn't exact, but you're compression should be around 120.

What's more important, however, is the variance between cylinders...they should be within 15% of each other.

Hope this helps
 

JUNIOR PASION

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great my compression was 119,120,120,124 i guess this means my compression is ok
 

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