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'74 DT250 Swing Arm Question
- BobsDT250
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Replied by BobsDT250 on topic '74 DT250 Swing Arm Question
Okay, thank you for your help. It took me a little while but I figured it out that the inner sleeve is supposed to rotate inside the bushing and it was frozen from no grease. I was able to remove it and clean up the rust, grease it and get it spinning freely. After torquing it to 72 lbft, it's still a bit stiff but I can easily move it up and down now. Thanks again!
25 Mar 2025 16:02
#11
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- RT325
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Replied by RT325 on topic '74 DT250 Swing Arm Question
Yep, you're onto it.
To post photos they unfortunately have to cone via an external provider like "Imgur" which seems to be the flavor of the day. I'm hooked on "Google Photos" but i'm too old to change lol. I just post a link using the share triangle 3 dot thingy top right which goes to create a link. Copy link & post here. That's just me though. Works for me. Till later--.
To post photos they unfortunately have to cone via an external provider like "Imgur" which seems to be the flavor of the day. I'm hooked on "Google Photos" but i'm too old to change lol. I just post a link using the share triangle 3 dot thingy top right which goes to create a link. Copy link & post here. That's just me though. Works for me. Till later--.
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25 Mar 2025 16:15
#12
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- BobsDT250
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Replied by BobsDT250 on topic '74 DT250 Swing Arm Question
Ok thanks!
25 Mar 2025 16:16
#13
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- RT325
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Replied by RT325 on topic '74 DT250 Swing Arm Question
#11 thats good. Now has to run like that when clamped in the bike.
25 Mar 2025 16:16
#14
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- MarkT
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Replied by MarkT on topic '74 DT250 Swing Arm Question
.........that long inner sleeve is supposed to go all the way to the outside of the bushings, protrude a little and be stationary with the bolt wen tight while the inside of the bushings rotate on the outside of that sleeve?
Yes! Exactly. Stiff is ok and much better than the older steel clad rubber bushing design. End caps and/or frame tabs might be deformed or worn causing clearance to tighten up. You don't want it too loose so that swingarm can slide side sideways either.
Also maybe use a pick or something to make darn sure no shims are there. They do get stuck sometimes. Also grease ends of bushings and inside of end caps.
Yes! Exactly. Stiff is ok and much better than the older steel clad rubber bushing design. End caps and/or frame tabs might be deformed or worn causing clearance to tighten up. You don't want it too loose so that swingarm can slide side sideways either.
Also maybe use a pick or something to make darn sure no shims are there. They do get stuck sometimes. Also grease ends of bushings and inside of end caps.
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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Replied by MarkT on topic '74 DT250 Swing Arm Question
Here is link to shim. They tend to stick inside the end cap and aren't very thick... easy to miss unless you know they are there.
www.partzilla.com/product/yamaha/240-22127-00-00
And it is very possible you don't have any shims from the factory.
www.partzilla.com/product/yamaha/240-22127-00-00
And it is very possible you don't have any shims from the factory.
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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25 Mar 2025 16:53
#16
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- BobsDT250
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Replied by BobsDT250 on topic '74 DT250 Swing Arm Question
Okay, yes I looked very closely for shims because that's the first thing I thought of. There's definitely no shims in there so I think this is about as good as going to get. Thanks!
25 Mar 2025 17:09
#17
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Replied by MarkT on topic '74 DT250 Swing Arm Question
Stiff is ok and actually probably "normal".
Not moving at all is not okay.
Not moving at all is not okay.
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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25 Mar 2025 18:11
#18
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