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Makotosun

oil pump removed but need a plug. what plug to buy?

  • gusto
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oil pump removed but need a plug. what plug to buy? was created by gusto

what plug to buy to fit oil pump hole?  is there a yamaha one?
or should i try to put it back on?
i plan on just tank mixing oil.
thx i tryed searching and some guy said somrthing about 10mm but im unsure. i dont see any measures on the yam plugs.
17 Oct 2025 18:06 #1

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Replied by MarkT on topic oil pump removed but need a plug. what plug to buy?

Yamaha part number 161-15426-00

Or plenty of aftermarket versions on ebay.
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
17 Oct 2025 19:20 #2

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  • gusto
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Replied by gusto on topic oil pump removed but need a plug. what plug to buy?

thanks i was looking at it from other side where there was just a hole in seal. by the way there is probally a rubber plug solution too for cheaper but dont know which one fits. anyhow im picking up a 161-15426-00
17 Oct 2025 21:09 #3

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Replied by RT325 on topic oil pump removed but need a plug. what plug to buy?

161-15426-00 "plus a gasket". I guess you've removed the steel bush the pump sits on. Sorry i'm behind on this story.
17 Oct 2025 21:53 #4

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