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Old 07-14-2012, 12:16 AM   #1
Roger W. Snell OP
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what year tranny?

I have a '73 R75/5 LWB with a 5 speed trans. no kick start. My clutch is shot. How do I find out what year this transmission is, so I can get the correct parts.
Any feed back would be helpful
Roger

Roger W. Snell screwed with this post 07-14-2012 at 12:25 AM
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Old 07-14-2012, 12:36 AM   #2
Rob Farmer
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If you can see the front of the casting, where it covers the clutch, it has a date stamp. This should give you an indication.

Is it a smooth case or does it have the strengthening ribs of the later models?
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Old 07-14-2012, 01:10 AM   #3
Roger W. Snell OP
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It has a smooth case. I will check for a date thanks. Also, W hen I lube the input shaft what type of grease should I use?
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Old 07-14-2012, 01:55 AM   #4
Rob Farmer
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Not sure what the other guys use but I use Castrol Optimal paste TA. It's rated to 1100C and doesn't fling off. I believe it's BMW's recommendation for this application and for the finned exhaust clamps. http://msdspds.castrol.com/bpglis/Fu...3856_XI_en.pdf
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Old 07-14-2012, 01:58 AM   #5
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Quote:
Originally Posted by Roger W. Snell View Post
It has a smooth case. I will check for a date thanks. Also, W hen I lube the input shaft what type of grease should I use?
Honda Moly 60 works well, I bought the 2 oz tube and it will last ten life times, you don't need very much. PM me your mailing address and I'll send you some.
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Old 07-14-2012, 01:10 PM   #6
disston
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Another spline lube grease to add to my collection. I still have a tube of that #10 something stuff, somewhere, and of course Honda's entry.

I'm game. I can use a couple other things anyway.
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Old 07-14-2012, 01:23 PM   #7
bmweuro
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All 70-80 clutch and driveshaft parts are the same. If your clutch is original you will not reuse the pressure plate spacers and I would use the later driveshaft bolts that are short enough not to need washers,
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Old 07-14-2012, 01:24 PM   #8
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Quote:
Originally Posted by Roger W. Snell View Post
It has a smooth case. I will check for a date thanks. Also, W hen I lube the input shaft what type of grease should I use?
Use a small amount of any heavy grease. Smooth non kickstart transmissions were 75-77.
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Old 07-14-2012, 07:03 PM   #9
AntonLargiader
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If the top of the case has a series of holes (three I think) drilled rearward to allow water to drain from the airbox, it's probably a '74 or maybe '75. Later smooth-case or at least single-rib transmissions did not have those holes.
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