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Opinion on 1973 MX 360 rebuild

  • tzsv4k
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Opinion on 1973 MX 360 rebuild was created by tzsv4k

Long story short, the bike appears to have been water bogged and then left setting.
Trying to run as many parts as possible but won't risk issues for the sake of a few dollars.
I have replacement parts for almost all of the balancer mechanism, shifter cam assembly, all bearings, seals, crank rebuild, full top end.
I'm questioning the condition of clutch parts....
Clutch fibers measure at 2.95mm.
Clutch steels cleaned up well but have pitting.
Clutch basket has corrosion on springs and some ear wear.
Your opinions on usability of these parts would be greatly appreciated.
Cheers.




 
Twin 73' DT3 250's, 73' MX 360, 83' TT600 , 73' MX 100
19 Jan 2022 00:18 #1

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Replied by RT3Sam on topic Opinion on 1973 MX 360 rebuild

I tried riding/Racing my RT3 with 47 year old clutches and got allot of chatter in tight wood sections. So I bought new Clutch plates, both fiber and steel, and now it doesn't chatter at all. I also installed new clutch springs. Not disappointed at all.
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19 Jan 2022 05:05 #2

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Replied by rsteve56 on topic Opinion on 1973 MX 360 rebuild

Replace the steels, minimum. Clutch basket looks pretty good.
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19 Jan 2022 05:43 #3

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Replied by msavitt on topic Opinion on 1973 MX 360 rebuild

IMO clutch hub and basket look fine
I would get yourself a new clutch kit so you can enjoy all the power that this bike is going to put down!  I went with a Barnett kevlar kit for my DT360A and it works great
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19 Jan 2022 08:07 #4

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Replied by Schu on topic Opinion on 1973 MX 360 rebuild

I play this game on a very tight budget and I am currently using clutch assemblies in similar condition as your photos in regards to the steels, basket, and springs. Can't speak on the fiber measurements. The only thing I did was file out the grooves on the basket ears with good quality flat file.
Schu

CT1B, CT1C, JT1, JT2, DT360A, GT80B, DT100B, DT125B,
DT175B, DT175C, DT250B, DT400B, Z50, SCR950

Someday, you'll own some Yamahas
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19 Jan 2022 09:26 #5

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  • tzsv4k
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Replied by tzsv4k on topic Opinion on 1973 MX 360 rebuild

Thanks guys. I've got great confidence now going forward. All good information.
Barnett clutch kit is around $200. Fibers, Steels, Springs.
And it just so happens this kit also services my twin DT3's I'm also refurbishing. Win win.
Thanks so much!!!
Twin 73' DT3 250's, 73' MX 360, 83' TT600 , 73' MX 100
19 Jan 2022 15:19 #6

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