Comperession Tester

cjdave

Member
Joined
Apr 7, 2012
Threads
18
Messages
48
Is a compression tester really neccessary? Ifso what mm threads for most small engine needs?
 

WISCOPROUD

Active Member
Joined
May 19, 2012
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0
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70
its a good diagnostic tool for pointing u in a direction
 
Last edited:

ILENGINE

Lawn Pro
Joined
May 6, 2010
Threads
39
Messages
9,826
It is a good diagnostic tester in some cases. 98% of spark plug threads are 14 mm by 1.25 same as your vehicle. Some of the newer chainsaw and trimmers use a 10 mm. ATV's can be 10, 12, 14 mm. Some of the real old equipment engines were 18 mm.
 
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