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bulletbob replied to the thread Thoughts on aftermarket pistons??.

Ok..thanks, saw them,, price is fair enough for OEM pistons w/ rings... Just to be sure, I have to pick and use one of the many model...

Mar 16, 2024
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bulletbob replied to the thread Thoughts on aftermarket pistons??.

I'll have a look thanks

Mar 16, 2024
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bulletbob replied to the thread Thoughts on aftermarket pistons??.

Ok,, maybe someone can guide me to where I can actually order pistons in lets say .030 overbore.. Unless I am doing something wrong...

Mar 16, 2024
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bulletbob posted the thread Thoughts on aftermarket pistons?? in Johnson Evinrude Outboard Forum.

Just wondering if anyone has used the cheap aftermarket piston kits that are found on ebay/amazon.. They are available .30 over at a...

Mar 15, 2024
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bulletbob replied to the thread questions about Merc 70 pistons/rings.. worth fixing?.

I know there are no specs for these engines concerning compression, but are they typically say 120 or above for a good one?. its seems...

Mar 13, 2024
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bulletbob replied to the thread questions about Merc 70 pistons/rings.. worth fixing?.

Started and ran this motor today.. Started right up, no issues ran pretty well actually.. This thing always sounds like a fast street...

Mar 12, 2024
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bulletbob replied to the thread gasket sealers for johnson OB?.. Piston "rock"?.

agreed... Not sure which way I am going to go.. I made an offer for the powerhead, and I'll see if the seller bites.. If not I might...

Mar 11, 2024
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bulletbob replied to the thread gasket sealers for johnson OB?.. Piston "rock"?.

Its double the money for one... close to $300 to get it bored locally.. $125 a hole + tax.. $94 each for a decent .030 over piston...

Mar 11, 2024
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bulletbob replied to the thread gasket sealers for johnson OB?.. Piston "rock"?.

Question-There is a very clean looking 1994 Johnson fully dressed 30 hp powerhead on ebay that I have made an off on... 120 PSI both...

Mar 11, 2024
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bulletbob replied to the thread gasket sealers for johnson OB?.. Piston "rock"?.

So anyway,, i said if my "gut" was wrong I would man up, and admit I was a moron.. Yes, I am a moron.. On the well lit bench it is...

Mar 11, 2024
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bulletbob replied to the thread gasket sealers for johnson OB?.. Piston "rock"?.

Right now, I have the NOS rings for a standard bore here, gaskets and seals on the way.. If a hone/ring/reseal gets the engine up and...

Mar 9, 2024
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bulletbob replied to the thread gasket sealers for johnson OB?.. Piston "rock"?.

Ok, autozone will the have the sealers I need, thanks.. I was just looking over some new 4 strokes, and a 20 is the same weight as this...

Mar 8, 2024
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bulletbob replied to the thread gasket sealers for johnson OB?.. Piston "rock"?.

actually, I was looking at the wrong section in the factory manual.... I was looking at the specs for 9.9-15 powerheads, in the same...

Mar 7, 2024
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bulletbob replied to the thread gasket sealers for johnson OB?.. Piston "rock"?.

well, I guess I found out at least part of the problem with the low compression [90 PSI] on this 30 HP.. I got the OEM OMC standard ring...

Mar 7, 2024
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bulletbob replied to the thread gasket sealers for johnson OB?.. Piston "rock"?.

Understood.. I guess thats why it seems 2 strokes need pistons replaced more often than 4 strokes.... I was a good auto tech in my...

Mar 6, 2024

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