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Makotosun

Muffler id

  • Papawhellie
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Muffler id was created by Papawhellie

I picked this up at Barber and looking on ebay the jt1 mufflers seem to have no text on the guard while the gt 80s all have 80 on them. Whats it fit?
13 Nov 2021 20:13 #1

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Replied by MarkT on topic Muffler id

In 1976, Yamaha dropped the displacement badging on the exhaust and oil tanks and replaced it with plain "Enduro". 

Looks like they did the same on the 80's too...  I think 76 and maybe 77 GT80's were like that and then they got away from the chrome heat shield in 78 or 79...

www.mecum.com/lots/LV0117-262710/1976-yamaha-gt80/

This is mostly a guess so hopefully a little bike expert will come along and correct me if I'm wrong. 



 
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
13 Nov 2021 20:40 #2

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  • Papawhellie
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Replied by Papawhellie on topic Muffler id

Your always spot on Mark. Looking at the mini enduros and pulling up ancient memories I was thinking Gt 80. Since the jts were 71/72 their shields were like the other piston ports-no cc till 73.
13 Nov 2021 20:44 #3

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Replied by JayB on topic Muffler id

It doesn't fit a JT because they exit on the left side, and your picture shows a right side exhaust. 
13 Nov 2021 20:46 #4

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Replied by MarkT on topic Muffler id

I think it's a pretty rare badge...  maybe only one or two years of the GT80 used it. 
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
13 Nov 2021 21:42 #5

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Replied by MarkT on topic Muffler id

Oh, and BTW, that Mecum GT80 doesn't have 76 oil tank decals...  Partzilla shows 76 just saying "ENDURO" on the oil tank. 

The 75 GT80b model had the "Enduro 80" oil tank decal.
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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13 Nov 2021 22:03 #6

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