What's "normal" Evo compression?
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From: Pocatello
What's "normal" Evo compression?
I have a '96 FLHTC with about 73K on it. Recently did a compression test and am wondering what a "normal" reading would be.
My results:
Front Cylinder: 130 psi
130 psi after a shot of oil
Rear Cylinder: 120 psi
130 psi after a shot of oil
Bike has an EV-4 cam and S&S "E". I've always heard that they should be within 10% of each other, and I'm on the edge of that. I run 'er pretty hard in the summer.
Is 130 psi max for an Evo? I guess that's what I'm really wondering.
My results:
Front Cylinder: 130 psi
130 psi after a shot of oil
Rear Cylinder: 120 psi
130 psi after a shot of oil
Bike has an EV-4 cam and S&S "E". I've always heard that they should be within 10% of each other, and I'm on the edge of that. I run 'er pretty hard in the summer.
Is 130 psi max for an Evo? I guess that's what I'm really wondering.
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