Piston ring re-use - Suzuki GSX-R Motorcycle Forums Gixxer.com
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post #1 of 7 (permalink) Old 03-18-2017, 03:22 PM Thread Starter
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Piston ring re-use

Hi All.

If I remove a damaged piston from a 1000 engine can I re-use the rings on a new piston (providing the tolerances etc are ok)? I ask because I read that due to the Nikasil bore it would be difficult to get new rings to seat properly. The crosshatching is clearly visible on the cylinder in question hence wondering if it would be better to use the rings that were in the engine. The piston was damaged to to valve contact.

Cheers,

Alan
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post #2 of 7 (permalink) Old 03-18-2017, 07:34 PM
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Re: Piston ring re-use

If you're that far into it, new rings all the way around.
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post #3 of 7 (permalink) Old 03-19-2017, 04:39 AM Thread Starter
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Re: Piston ring re-use

Quote:
Originally Posted by TheGeek View Post
If you're that far into it, new rings all the way around.
Ill do all 4. Was concerned about new ones sealing.

Cheers

Alan
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post #4 of 7 (permalink) Old 03-22-2017, 12:06 PM
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Re: Piston ring re-use

Quote:
Originally Posted by AlanRush10 View Post
Ill do all 4. Was concerned about new ones sealing.

Cheers

Alan
Technically you should hone all four bores and use new rings, but you can always just try to get away with new rings
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post #5 of 7 (permalink) Old 03-22-2017, 03:35 PM
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Re: Piston ring re-use

You better do some checking around before you hone cylinders. Better off installing new rings without the hone unless you got the right hone and the knowhow. The chrome type cylinder coatings can be very thin and if you f*ck em its all over.
Rings can get brittle with age. Not sure it would be a good idea to reuse. I'd be worried about a broken ring down the road if they survived the reinstall.
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Last edited by beeboy; 03-22-2017 at 08:50 PM.
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post #6 of 7 (permalink) Old 03-23-2017, 08:19 PM
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Re: Piston ring re-use

I did exactly what you are talking about after piston had too much slap and badly damaged crown from hitting the valves.
I used all the same parts (rings/oil rings etc), replacing only the piston.
My bike makes 190 on the dyno and I have done about 20-25 track days since then without a problem.
Good Luck.
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post #7 of 7 (permalink) Old 03-26-2017, 07:33 AM
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Re: Piston ring re-use

I did a rebuild of my motor 2 years ago, measured the rings they were within specs, so put it all back together, it chugged oil like a Russian chugs vodka... so took it all apart again and replaced the rings.
so if you ask me I would replace all rings now.
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