BMW K bikes (Bricks)

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1Back to top Go down    Cooling System on Sat Jun 10, 2017 10:19 pm

beemernug

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Can anybody help. I have a 1987 K100RT and need to replace the Thermostat. I have purchased a Thermostat but it did not come with the seating gasket that fits onto the actual Thermostat. BMW do not seem to have this part listed separately. I have the dealership looking into this problem with BMW. I am reluctant to fit the old seating gasket onto the new Thermostat as it is 30 years old and slightly hard. Has anybody had this problem before and does anybody know where I could purchase one. Name and address of company and if possible e-mail address. Any information would be helpful. Thanks!

    

2Back to top Go down    Re: Cooling System on Sat Jun 10, 2017 11:16 pm

Born Again Eccentric

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As far as I can tell, the only seal in the vicinity of the thermostat is an O ring (item 4 on the Real OEM schematic).



Available from both the following:

https://www.motorworks.co.uk/vlive/Shop/Parts.php?T=5&NU=15&M=40&Ct=GA&SbCt=BA_15_40_GA_70

http://www.james-sherlock.co.uk/shop/k75-k100-k1100-k1200/engine-cooling/radiators-and-parts

Hope this helps.


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Paul

"Heidi" K100LT 1991 (Grey) (VIN 0190172 Engine No. 104EB 2590 2213) - 5th owner. January 2014 (34,000 - 61,000 miles and counting....)
"Gretel" K100LT 1989 (Silver Grey) (VIN 0177324 Engine No. 104EA 2789 2211) - 4th+ owner. September 2015 (58,500miles and counting....). Cat C Insurancewrite-off rebuild Feb 17
"Donner" K100LT 1990 (Red) (VIN 0178091 Engine No. 4489 2024) - 6th & final owner (crash write-off now donor bike). June 2012 (73,000 miles) to November 2013 (89,500 miles)
    

3Back to top Go down    Re: Cooling System on Sun Jun 11, 2017 3:06 pm

Holister

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That O-ring is to seal the cap. The thermostat gasket goes under the base of the thermostat to ensure proper flow thru the t/stat valve. AFAIK they aren't, and never were, available as a separate item.
- I've always reused the gasket. On my K100naked its busted but I put it back in carefully.
- I'd say you could install the t/stat without the gasket anyway. Might take just a fraction longer to warm up in cold climates.
- Alternatively, get some cork gasket material and cut yourself a new one.


__________________________________________________
1988 K100RT VIN No. 0094680
1989 K100RT VIN No. 0097367 (naked)
1996 K1100RS VIN No. 0451808
Fuel: 95 Octane
Engine Oil:Nulon Full Synthetic 15W50
Gear Box Oil: Nulon Synthetic 75W90
    

4Back to top Go down    Cooling System Thermostat Gasket on Mon Jun 12, 2017 11:24 am

beemernug

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Thanks for the info. I have the 'O' Ring. Still waiting for BMW dealership to get back to me. If everything else fails will put the old gasket back on the Thermostat. Will the cork withstand the high temperature if used, concerned it might start to break up?.

    

5Back to top Go down    Cooling System Thermostat Gasket on Mon Jun 12, 2017 12:13 pm

beemernug

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I have resolved the issue relating to the Thermostat Gasket. TheThermostat that I ordered from Motorworks did not have a gasket on and it should have as it is part of the Thermostat, the same goes for theBMW Dealership which they were looking into why it did not have one on. Contacted Motorworks and they are sending me a gasket after checking their stockand stating they all have them on apologising also. So again many thanks for you that replied to my query.

    

6Back to top Go down    Re: Cooling System on Mon Jun 12, 2017 2:53 pm

Holister

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Good news. I've heard of others ordering the thermostat from other suppliers and it arriving without the gasket. I've never had to buy one. Just removed it on occasion to test.


__________________________________________________
1988 K100RT VIN No. 0094680
1989 K100RT VIN No. 0097367 (naked)
1996 K1100RS VIN No. 0451808
Fuel: 95 Octane
Engine Oil:Nulon Full Synthetic 15W50
Gear Box Oil: Nulon Synthetic 75W90
    

7Back to top Go down    Re: Cooling System on Tue Jun 13, 2017 12:04 am

blaKey

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Hi beemernug.

This topic has been moved.

The information here (whichmay help others) would be lost in Member's Introduction. Very Happy


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Neil
K100RS 1986 RED!
K100RT 1987 (now nekkid with red bits)

Remember Rule No. 6
    

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