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Makotosun

Inherited Enduro 1975 DT125B

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Replied by Tom P on topic Inherited Enduro 1975 DT125B

Chain tensioner spring?
Last edit: 09 Jul 2023 08:33 by Tom P.
09 Jul 2023 08:24 #131

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  • Gr8uncleal
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Replied by Gr8uncleal on topic Inherited Enduro 1975 DT125B

That looks like the brake pedal return spring - if not fitted properly, it could mean that the rear brake jammed on.

Not really sure what the burning smell was - have you tried starting it again?
09 Jul 2023 09:33 #132

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  • MarkT
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Replied by MarkT on topic Inherited Enduro 1975 DT125B

That looks kind of like a rear brake pedal return spring?  (17 here: www.partzilla.com/catalog/yamaha/motorcy...footrest-brake-pedal) You shouldn't have had to touch that though. 

Stumped on the rest of your story.  Sounds like it really wasn't in Neutral.  If it runs fine it's probably ok. 
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
09 Jul 2023 09:44 #133

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Replied by MarkT on topic Inherited Enduro 1975 DT125B

I'm too slow.  LOL
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
09 Jul 2023 09:45 #134

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Replied by Tom P on topic Inherited Enduro 1975 DT125B

Unless OP has HUGE hands, that spring looks smaller than the brake return spring to me. Doesn't his model have a chain tensioner with similar spring?
09 Jul 2023 10:22 #135

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Replied by MarkT on topic Inherited Enduro 1975 DT125B

I think I figured out how to fix the title of the thread to 1975...  seems to have worked. 

Let me know if it stayed in the same category?  I didn't change the category but there was a place to and I'm not sure if it defaults to "General Discussions".   I can move it elsewhere if you want. 
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
09 Jul 2023 12:05 #136

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Replied by Ht1kid on topic Inherited Enduro 1975 DT125B

MarkT it’s correct in the general discussion. Did you take the brake pedal off ?
09 Jul 2023 15:21 #137

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Replied by RT325 on topic Inherited Enduro 1975 DT125B

Blimey--it's the brake pedal return spring.
How on earth did it get over on the chain run.
Did you lay the bike right over on the left & just by chance it took the bait & jumped over there.
09 Jul 2023 16:08 #138

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Replied by RT325 on topic Inherited Enduro 1975 DT125B

Sorry i'm a page behind & answering page 13. Too slow to catch a cold me lol.
On some models 'i thought' the spring was on an extension behind where it pivots so can escape with pedal still in place.
 
Last edit: 09 Jul 2023 16:14 by RT325.
09 Jul 2023 16:09 #139

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Replied by RT325 on topic Inherited Enduro 1975 DT125B

Yep this frame type & brake pedal where spring sits out the back & can fall off if not under tension.

www.partzilla.com/catalog/yamaha/motorcy...75b/frame-side-cover
www.partzilla.com/catalog/yamaha/motorcy...footrest-brake-pedal
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09 Jul 2023 16:19 #140

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