I have a AH100-4 with unknown milage and unknown condition of the motor sitting for a 10 years. Possibily rebuilt at one time due to its red color. I did a compression check and the results were cylinder
#1-95 psi
#2-87 psi
#3-95 psi
#4-95 psi
The test was done when the motor was cold. I removed 1 spark plug--screwed in compression tester and cranked the engine over until I obtained the highest reading and went to the next.
Is this the correct way to do a compression test and what do the numbers mean?
#1-95 psi
#2-87 psi
#3-95 psi
#4-95 psi
The test was done when the motor was cold. I removed 1 spark plug--screwed in compression tester and cranked the engine over until I obtained the highest reading and went to the next.
Is this the correct way to do a compression test and what do the numbers mean?