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K100-forum.com » Technical, repair and troubleshooting » Engine and transmission » Rebuild kits?

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1Back to top Go down   Rebuild kits? Empty Rebuild kits? Thu Mar 29, 2018 12:38 pm

jmccrary

jmccrary
Silver member
Silver member
Since I am rebuilding my bike, I would like to dive into the motor to replace the oil and water pump, and take the covers off to inspect as well.  Does anyone make a rebuild kit or is it just piece it all together?  TIA!

Justin

    

2Back to top Go down   Rebuild kits? Empty Re: Rebuild kits? Thu Mar 29, 2018 12:53 pm

92KK 84WW Olaf

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Life time member
Life time member
If you put the VIN and model in your signature it will help those that will answer the question for you.

The oil/water pump does have a rebuild kit but early ones usually end up needing a new shaft. impeller, seals and be aware the ceramic seal is so easily broken........great care is needed to do it successfully. If its working you could leave it well alone but on almost all Ks its a case of when it fails, not if.

There are lots of other things to do if you have the bike apart that are simple, such as sprag clutch clean, inspect output shaft rivets [again there is a 6/12 rivet issue depending on year],


__________________________________________________
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
    

3Back to top Go down   Rebuild kits? Empty Re: Rebuild kits? Thu Mar 29, 2018 1:05 pm

Two Wheels Better

Two Wheels Better
Moderator
Moderator
As for water/oil pump pieces there are 'kits' available but, of course, as stated previously, one would need to know which year/model you own for the correct bits to be obtained. If there's no sign of coolant in your engine oil and the weep hole at the base of the pump is dry I'd leave it alone for the future.

Here's a piccie from Motobins UK of a 'kit' to fit most Ks.
Rebuild kits? K100_w10


__________________________________________________
"How many cars did we pass today?" "ALL of them."
1977 R75/7-100, '93 K11/K12 Big Block, '93 K1100RS, '95 R100 Mystic, '96 K1100RS, 2 x '98 K1200RS, '06 K1200R & '09 K1300GT
    

4Back to top Go down   Rebuild kits? Empty Re: Rebuild kits? Thu Mar 29, 2018 1:26 pm

jmccrary

jmccrary
Silver member
Silver member
Thanks for the info...it is a 1985 k100 RT...I will try to get the VIN and put it in my sig after lunch today if not tomorrow  Very Happy

    

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