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Makotosun

Piston choice

  • djetmb
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Piston choice was created by djetmb

I usually prefer genuine Yamaha parts, particularly pistons and rings. Has anyone had experience with aftermarket pistons like Wiseco or others? 
OEM pistons are getting pricey. Thanks.
06 Feb 2024 10:08 #1

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Replied by automan on topic Piston choice

Pay the price, or spent more.

Need mechanix exercise?


cliff
06 Feb 2024 11:30 #2

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Replied by MarkT on topic Piston choice

It depends greatly on what bike you're talking about and to a lesser extent what oversize the bore requires.  

Yamaha never made pistons and the same OE manufacturer sometimes sells pistons and rings through other distributors...  and other quality brands are out there.  But for some bikes quality choices are seriously limited.  
1963 YG1-T, 1965 MG1-T, Allstate 250, 1970 CT1b, 1971 R5, 1973 AT3MX, 1974 TS400L, 1975 RD350, 1976 DT175C, 1976 Husqvarna 250CR, 1981 DT175G, 1988 DT50, 1990 "Super" DT50, 1991 RT180, 2017 XT250
06 Feb 2024 13:22 #3

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Replied by pahiker on topic Piston choice

I've had good experience with Wiseco pro-lite pistons, ran well in my CR500s. I believe they make pistons for some of our bikes. 
1973 Yamaha RT3
2024 Suzuki DR650
2023 Triumph Tiger 1200 GT Pro
06 Feb 2024 15:39 #4

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Replied by Knutco11 on topic Piston choice

I've had luck with wiseco pistons, and I always liked how the underside is smoothed out on them. Dunno if it helps, but gives me warm fuzzy feelings, and seat dyno always makes me think more power! Lol. Wiseco pistons might be forged, vs oem just cast. Tolerances might need to be looser.
06 Feb 2024 17:42 #5

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Replied by turbodan on topic Piston choice

Wiseco is a great choice for most applications. I run them in my 360 and quite a few others.
06 Feb 2024 20:39 #6

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Replied by AirborneSilva on topic Piston choice

I put a Wossner piston in my DT2, I like that the skirt is coated. even though the piston is forged it is very quiet compared to the Wiseco forged piston I put in my DT400
2023 Tenere T7
1976 DT400C
1975 DT400
1981 DT175H
1972 DT2 250
1980 GT80
1972 JT2
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07 Feb 2024 14:43 #7

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Replied by djetmb on topic Piston choice

Thanks to all for the response. It's for my CT2. It's on the standard bore right now. I did a 175 conversion on a AT3 and used all genuine parts. No issues whatsoever.
10 Feb 2024 12:22 #8

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