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Old October 8th, 2019, 12:58 AM   #23
DannoXYZ
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Name: AKA JacRyann
Location: Mesa, AZ
Join Date: Dec 2011

Motorcycle(s): CB125T CBR250R-MC19 CBR250RR-MC22 NSR350R-MC21 VF500F CBR600RR SFV650 VFR750F R1M ST1300PA Valkyrie-F6C

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MOTY - 2018, MOTM - Nov '17
Quote:
Originally Posted by NaturalFlavored View Post
Ok guys had a buddy help me out with a compression test and im only get a couple psi. It has good pressure if the hole is open but once we put the tester in it dropped down to nothing.
So what would I look for? Bad valves? Or is it a gasket issue?
What do you mean by "hole is open"? You crank with no spark-plug and feel air being pushed out?

Did you:

- remove both spark-plugs?
- use screw-in compression-tester?
- have throttle wide-open?
- use something to prop slides open?
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