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1975 DT100B5 engine / frame 540-xxxx

  • tzsv4k
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1975 DT100B5 engine / frame 540-xxxx was created by tzsv4k

I've searched and don't see anything that tells the difference between a 1975 DT100B 437-xxx and a 1975 DT100B5 540-xxx. In the USA model listing it appears to be a compression difference. I have a 540-xxx bike that I'm using parts to restore a 74' MX100 427-xxx bike. Thanks for any info.
Twin 73' DT3 250's, 73' MX 360, 83' TT600 , 73' MX 100
31 Jan 2023 16:51 #1

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Replied by MarkT on topic 1975 DT100B5 engine / frame 540-xxxx

I've seen the * and + after the model listings which to me generally indicates a footnote?  I've never seen the footnotes though.

If anyone would know it would be Enduronut...  hopefully he'll see this and respond.
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 Jan 2023 17:40 #2

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