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CT 1 left case clutch push rod oil seal question

  • PDXtyist
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CT 1 left case clutch push rod oil seal question was created by PDXtyist

Hi CT fans.
Our CT1 developed serious oil leak from its left side. It looks like the leak is from the clutch push rod seal.
The culprit was rock hard and had 6.8x22x7 on it. For some reason I can’t find this seal in the parts manual to confirm it’s correct size.
- can anyone confirm the correct seal needed (6.8 seems an odd size) or the Yamaha part no.?
- where in the parts manual is this seal located?
Thanks guys.
The following user(s) Liked this Post: Rick C.
05 Aug 2020 21:47 #1

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Replied by apex on topic CT 1 left case clutch push rod oil seal question

Item #10. See attachment...it's part of the Transmission parts catalog section.
Allrighty Then
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05 Aug 2020 21:57 #2

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Replied by darinm on topic CT 1 left case clutch push rod oil seal question

By parts number is the best way and it's also ideal to go through a dealer on these seals as I've encountered mislabeled and non oem ones in oem packaging from eBay.

Wile doing it, I'd do the shifter shaft seal and seal behind the sprocket while you are there. I found myself doing all three in quick succession on my ct2, rubber must have been at it's end of life as they all contributed to my slow leaks to some degree.
1972 Yamaha CT2 175
1972 Suzuki TS185 Sierra
2000 Suzuki RM100
2003 BMW F650GS
2009 Yamaha WR250R
2013 Yamaha XT250
06 Aug 2020 07:12 #3

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Replied by PDXtyist on topic CT 1 left case clutch push rod oil seal question

Good stuff. Excellent advice too. Thanks fellows.
06 Aug 2020 09:09 #4

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