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OS 120 Surpass ring, where to get parts?

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OS 120 Surpass ring, where to get parts?

Old 05-20-2003, 06:46 PM
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gregusan
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Default OS 120 Surpass ring, where to get parts?

I have a 120 Surpass with pump (perhaps a Suprass II? or III?)that looks new externally, but seems to have low compression.
I'm assuming it needs a ring.

Would any of you happen to have any parts to re-ring or rebuild this engine? Or if you know from experience that this may need more than a ring, please let me know. I haven't had it apart just yet.

Also, a while back, a gentlemen wrote me who seemed to carry many OS parts at a low price. If you know of him, please inform me.

You can write me at: [email protected]

Thanks!
Old 05-20-2003, 10:50 PM
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gimpy55-RCU
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Default 120 ring

Try this fellow he has always had what I needed. [email protected].
Gimpy55
Old 05-20-2003, 11:27 PM
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MILDBILL-RCU
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Default OS 120 Surpass ring, where to get parts?

try pulling plug out & dropping 4-5 drop's of after run oil in the cylinder. engine must be straight up. reinstall plug & see if compression gets noticable better, if so, a ring should do it, if not, then valve's &/or head gasket are more likely whats wrong
Old 05-20-2003, 11:57 PM
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dennis
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Default OS 120 Surpass ring, where to get parts?

Actually if your engine has been in storage for a length of time the ring may be frozen to the piston. I have a brand new 120 pump that feels the same and that is the cause.
Take a heat gun and warm the cylinder or put it in the oven at 125 degrees for 30 minutes to loosen up the congealed oil.
These motors really didn't wear out that fast.

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