BMW K bikes (Bricks)

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1Back to top Go down    State of the Spline on Sat Apr 23, 2016 9:19 pm

KyleMB

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https://goo.gl/photos/vUeT8qLf1Ed3NaHk8


i havent pulled the transmission yet but im curious what you fine people think about the condition of these splines. photographed are the final drive, drive shaft and transmission spline. what kind of mileage is left on these buggers? what to expect?

-K

    

2Back to top Go down    Re: State of the Spline on Sat Apr 23, 2016 11:09 pm

duck

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Yer fine. The final drive end splines will wear out long before the trans output ones do.

The FD end splines show some "mountain effect" but should last a while if you keep them properly moly lubed.

Lube it and ride it.


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Current stable:
86 Custom K100 (K75C fairing, K75 Belly pan, Ceramic chromed engine covers, 32/10 final drive)
K75 Frankenbrick (Paralever, K11 front end, hybrid ABS, K1100RS fairing, radial tires)
86 K75C Turbo w/ paralever
93 K1100RS
94 K1100RS
93 K1100LT
91 K1
93 K75S
http://www.ClassicKBikes.com
    

3Back to top Go down    Re: State of the Spline on Sun Apr 24, 2016 12:20 am

1990k75

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Check out Chris Harris youtube vids about spline lube... make sure the kids are not around LOL


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Past bikes - Yamaha YL-1, Honda XL-125, 1967 BSA 650 Lightning

Current - 1990 K75RT (in drydock) & 1995 K75RT VIN # (I'll get back with that)

Who sez I'm too old to ride?
    

4Back to top Go down    Re: State of the Spline on Sun Apr 24, 2016 5:40 am

RicK G

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Splines on the transmission output shaft are fine, they usually dont give trouble
The splines on the universal end of the drive shaft are shagged and will give you grief in the very near future.
The splines on the rear drive input shaft are well on the way but with good lube and regular lubing will last for sometime yet but the splines on the rear end of the drive shaft are very worn and in my opinion are not worth using because they will give out probably before the front splines go. Finding good used shafts and drives is getting more and more difficult.
My advice is to get a new shaft or a shaft with a good front spline and uni then weld a new spline to the rear of it. Send the rear drive to Brunos and get it repaired.
If you use mechanical components of a doubtful nature the condition will very soon become abundently clear when they fail completly.


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If everything seems under control then you aint goin fast enough:- Mario Andretti
Bikes 1986 K100RT, 1993 K1100 LT, 1994 K1100 LT, 1993 K75 RT, 1996 K75RT, 1986 K75 GS, 1979 Z1300 Kawasaki X 2 & 1976 SR 500 Yamaha for now
    

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