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Carburetor Choke/Plunger Washer

31 Mar 2020 14:04 31 Mar 2020 14:19 by jmagda. Reason: adding pic
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Carburetor Choke/Plunger Washer #1
The Yamaha parts list calls this part the starter lever washer. It's a washer with a little rectangular piece punched out and pointed downwards (or maybe it's upwards). To install it where the parts list diagram says to, it won't fit, no matter if I install it with the punched rectangular piece facing up or down. Now, if I change the order the parts diagram has and install it UNDER the starter lever plate, it fits. That little rectangular section fits nicely into the starter lever. But doing so seems to negate its use as a washer to the brass plunger cap. What am I suppose to do?

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31 Mar 2020 16:50
MarkT
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Carburetor Choke/Plunger Washer #2
Year/model and actual pictures of what you're talking about?

I looked at several Mikuni carbs and don't see the washer you are describing.

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

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31 Mar 2020 16:56
FrankC
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Carburetor Choke/Plunger Washer #3
No. 29 might be the o ring.

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01 Apr 2020 02:22 01 Apr 2020 02:32 by jmagda. Reason: adding pic
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Carburetor Choke/Plunger Washer #4
This diagram I listed here is for the 1973 DT3 250 carburetor, but is the same as 1969, 1970, 1971 and 1972 250 carburetor diagrams. I put a red arrow pointing to the part I am referring to, number 30, not 29. And part number 30 is listed as: WASHER, STARTER LEVER
132-14179-00-00.

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01 Apr 2020 11:00
MarkT
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Carburetor Choke/Plunger Washer #5
Let me do some looking... I have a bunch of carbs here someplace.

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

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01 Apr 2020 12:09 01 Apr 2020 12:17 by DaveR.
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Carburetor Choke/Plunger Washer #6
Fits into notch on lever plate first.
Once installed and nut tightened, fold washer over against nut, that's all it is, a lock tab..

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01 Apr 2020 12:14 01 Apr 2020 12:14 by jmagda. Reason: misspelling
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Carburetor Choke/Plunger Washer #7
...and then bend an edge of the washer up, right? To lock in the nut?

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01 Apr 2020 12:18
DaveR
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Carburetor Choke/Plunger Washer #8
Yep, I edited my post too.

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01 Apr 2020 12:28 01 Apr 2020 12:29 by jmagda.
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Carburetor Choke/Plunger Washer #9
Great! Thanks! Would've been a lot more helpful if they'd called it that - "lock tab" instead of "washer". Thanks again.

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01 Apr 2020 13:04
MarkT
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Carburetor Choke/Plunger Washer #10
Thank you DaveR! Great pictures and explanation!

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

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