Author Topic: compression values  (Read 2110 times)

Offline eddievtwin

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compression values
« on: April 24, 2007, 03:44:01 PM »
well here we go did a compression test on her
suzuki gsxr 400 gk76 1991 35,000 miles
here's the results on a cold engine

Left too Right as you sit on her

cyl 1 110 psi
cyl 2 120 psi
cyl 3 110 psi
cyl 4 110 psi

with oil down plug hole

cyl 1 280 psi
cyl 2 290 psi
cyl 3 290 psi
cyl 4 290 psi

Think the rings are worn,

what u all reckon ??

Eddie

Offline gsxr400 racer

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compression values
« Reply #1 on: April 24, 2007, 05:28:15 PM »
wore out bores and if you re ring it may only come up to 140psi

good to see you here eddie
1988 gsxr 400 sp (sprint bike)
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