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RT3 piston recommendations

  • jwalsh
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RT3 piston recommendations was created by jwalsh

Hello!

I wanted to know where everyone is getting oversized RT3 pistons. Thanks!
27 Feb 2024 16:09 #1

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Replied by MarkT on topic RT3 piston recommendations

You could try to reach out to member Enduronut, he had a pretty big supply of pistons and rings that he's been selling over the years... he pretty much always had a good selection for most models, probably less so as time passes. He doesn't post here anymore but he might see this and contact you or you could try to message him.
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
The following user(s) Liked this Post: Enduronut, Gr8uncleal
Last edit: 27 Feb 2024 17:42 by MarkT.
27 Feb 2024 17:41 #2

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Replied by 1971DT250 on topic RT3 piston recommendations

I would like to add my experience. On 2 of my RT3s the cylinder liner separated from the cylinder after they were bored out to the third and fourth oversize piston. The liner became too thin. This caused a small air leak and a lean condition. The shop that does the boring for me recommended not to go past the second oversize on the 360. The liner is 4mm thick when new as opposed to 5mm on the 250.

I have NOS cylinders available for sale.

Plus many of the pistons and rings I have came from Enduronut.
The hours spent riding my Enduros is not deducted from my life span.
The following user(s) Liked this Post: MarkT, Ht1kid, pahiker, jwalsh
28 Feb 2024 07:14 #3

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