Compression test specs
Tourer
Joined: May 2008
Posts: 446
Likes: 1
From:
90 psi is low, but i'm wondering if your gauge is working right. can you check it with a different gauge, or try the gauge on your car?
Your front and rear are very close to the same, which is very good. if it still runs good and it really is that low (the gauge is accurate), then don't sweat it too much.
I just checked my front and rear cyls at 49,000 miles and they were both at 182psi, higher than i expected.
Your front and rear are very close to the same, which is very good. if it still runs good and it really is that low (the gauge is accurate), then don't sweat it too much.
I just checked my front and rear cyls at 49,000 miles and they were both at 182psi, higher than i expected.
3rd Gear
Joined: Feb 2013
Posts: 7
Likes: 0
From: iowa
got a 59 pan that I'm working on, its a bear to start, got it going twice with a shot of starting fluid, went thru the M carb and seen nothing out of whack, checked compression and have 90 in rear and 60 in front, thinking I might of figure my troubles ???????
Road Warrior
Joined: Mar 2011
Posts: 1,378
Likes: 2
From: Macon, GA USA
A leak down test will show things a compression tester will not. Until I bought my 02 ultra in 01 I never had a electric starter on a Harley since 1971. never had a problem cranking any of them. No such thing as a hard starting Harley just one out of tune or needs engine work. LOL good luck.
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