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05-21-2016 03:12 PM

RSVenture

Re: Super Tigre 2000 piston

Thanks everyone. I sent an email to service center couple days ago but have not heard back as yet.May have to check if parts can be interchanged. I have several ST parts listings that came with the motors and ST has to be one of the most confusing with their parts. Three different sheets and three different parts #s for the piston. One says 20/25 same, next one shows different for each motor, third has totally different parts numbers again. Hope service dept answers soon!!!

05-20-2016 05:48 PM

stegl

Re: Super Tigre 2000 piston

Years ago I had the 20cc and just short on power . Did some research and the 25cc was many times better power and fuel consumption wise and got it. Never sorry I did. Burned the same amount of fuel but produced much more power. The 32cc was another option but apparently it was a hog on fuel, according to users.

05-20-2016 05:01 PM

Trumpetman

Re: Super Tigre 2000 piston

Quote:

Originally Posted by stegl

I guess what I was trying to say maybe the 20cc could be upgraded to a 25cc just by changing the piston, ring and cylinder; as If I remember, the crank and rod were the same parts.

Makes sense!

05-20-2016 03:53 PM

stegl

Re: Super Tigre 2000 piston

I guess what I was trying to say maybe the 20cc could be upgraded to a 25cc just by changing the piston, ring and cylinder; as If I remember, the crank and rod were the same parts.

05-20-2016 03:16 PM

Trumpetman

Re: Super Tigre 2000 piston

The G-2000 and S-2000 parts are listed at the bottom in a group of other engines. They do show part numbers for Pistons. Hopefully they have the actual parts as well...

05-20-2016 10:24 AM

stegl

Re: Super Tigre 2000 piston

Quote:

Originally Posted by Trumpetman

Have you tried here?

http://www.supertigre.com/parts/

Good link. Don't see the 2000 listed anymore . The case was a series 2000 with size stamped on the side of the motor mount lug as either 20cc or 25cc. The 20cc was not a very popular motor because for a few bucks more you could get the 25cc with lots more power and most guys went with it. If I remember correctly the piston, cylinder and ring could be changed as the rest was the same.

Arnold , maybe contact the above service dept and see if that could be done if no piston is available.

05-19-2016 07:56 PM

williame3590

Re: Super Tigre 2000 piston

Thought I had one kicking around but no luck.

Bill

05-19-2016 01:54 PM

Trumpetman

Re: Super Tigre 2000 piston

Have you tried here?

http://www.supertigre.com/parts/

05-19-2016 12:08 PM

RSVenture

Yes that would be good if piston was just scored but it got knocked of bench and a piece broke right off piston. Stupid, stupid, stupid!! Hate to lose this engine just because of a stupid move and no replacement available.

05-19-2016 09:01 AM

kip51035

Re: Super Tigre 2000 piston

If the piston is just scored, I would sand it smooth with 320 wet or dry sand paper. Us it wet with water or light oil. Clean and remove any carbon and score ridges from the groove and put a new ring on it. The old ring makes a good tool to clean the ring groove. You just sharpen it to a point like a chisel. Take a brake cylinder hone for a car to the cylinder.

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