Compression Test

[sailsmanship]

When doing a compression test, how long do you crank the engine over? Is it until the highest reading shows?,certain amount of seconds? what?

 

[Jeff Walkowiak]

Re: Compression Test

open the throttle and crank it for a few seconds

 

[CFronzek]

Re: Compression Test

One of the parameters of a good cylinder is that the cylinder pressure come up fast. The gage should show at least 40% of the final pressure on the first revolution. Ultimate pressure should be seen in 4-5 revolutions. <br />Charlie