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K100-forum.com » Technical, repair and troubleshooting » Engine and transmission » Final drive grease in oil.

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1Back to top Go down   Final drive grease in oil. Empty Final drive grease in oil. 21/03/20, 10:12 pm

JTurns

JTurns
New member
New member
Hi all,

Recently purchased an 86 K100RT. When I drained the final drive oil it had grey streaks which appeared to be grease though the oil.

There was also a clump of grey grease sitting on the drain bolt when I removed it.

Can anyone tell me where this may have come from? Final drive spline?

    

MartinW

MartinW
Life time member
Life time member
Some owners add molybdenum disulphide to their gearboxes and final drive. This can take the form of powder, oil or grease. This can and does separate and can sink to the lower parts of the final drive forming a sludge.
Regards Martin.


__________________________________________________
1992 K75s
    

Laitch

Laitch
Life time member
Life time member
If that clump of grease is magnetic, it might be metal shavings mixed with transmission oil.


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1995 K75 90,000 miles
    

Holister

Holister
Life time member
Life time member
There is no way spline lube can get into the FD.
Agree with Laitch. What you have there are minute metal particles that have clumped together. The drain bolt will be magnetic to attract the particles away from the gears.
As you probably have no history on servicing, having just bought the machine, you could guess that the oil hasn't been changed for a while. Just do your servicing and keep an eye on it.


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1989 K100RT     VIN  0097367 (naked)  
1996 K1100RS   VIN  0451808		 Final drive grease in oil. Austra12    Fuel:  95 Octane
Engine Oil: Nulon Full Synthetic 15W50
Gear Box Oil:  Nulon Synthetic 75W90
    

92KK 84WW Olaf

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Life time member
Life time member
MartinW wrote:Some owners add molybdenum disulphide to their gearboxes and final drive. This can take the form of powder, oil or grease. This can and does separate and can sink to the lower parts of the final drive forming a sludge.
Regards Martin.
Take out the drain bolt and this stuff can be seen sitting on top of it. I use it in my Ks.


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1992 K100LT 0193214 Bertha Blue 101,000 miles
1984 K100RT 0022575 Brutus Baja Red 578 bought 36,000 now 89,150 miles
1997 K1100LT 0188024 Wotan Mystic Red 689 58,645 now 106,950 miles Deceased.
1983 K100RS 0011157 Fricka 606 Alaska Blue 29,495 miles Damn K Pox Its a Bat outta Hell Now 58,200 miles. 
1996 K1100LT 0233004 Lohengrin Mystic Red 38,000 miles currently 51,800 miles.
1983 K100RS 0004449 Odette R100 colours 58,000 miles. Sprint fairing now 63,390 miles

Past:
1968 Yamaha 80 YG1
1971 Yamaha 125 YAS-1
1968 Honda 125 SS
1970 Honda CD 175
1973 Honda CB500-4
Honda CX 500
    

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