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2 cycle compression

Brianslawn

LawnSite Silver Member
for a 2 cycle yes. most 4 cycle engines that ive seen are around there or a bit higher.

i'll teach you how to rebuild engines if youll teach me how to weld better. lol
 

grass_cuttin_fool

LawnSite Gold Member
Location
Virginia
Over the years I have ran compression checks on my equipment at times and it takes a minimum of 60 pounds for a 2 stroke to run.
 
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V

vipermanz

LawnSite Bronze Member
Brianslawn said:
for a 2 cycle yes. most 4 cycle engines that ive seen are around there or a bit higher.

i'll teach you how to rebuild engines if youll teach me how to weld better. lol
sounds fun!!
 

Lawn Masters

LawnSite Senior Member
Location
Hudson Florida
Actually, 152 psi is EXCELLANT compression. some engines will not run with less than 90psi, and power is noticably less due to lower compression. I've seen bigger engines pushing around 300psi, and those are VERY high performance engines. the average machine with good compression will read anywhere from 130-160psi, which is good to perfect compression.
 
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