K11 Owners Group

quadrabrick · Posted: Fri Jan 09, 2009 5:55 pm Post subject: equivalent thermostats?

Does anyone have a parts number for the k1100 LT thermostat? i am no where near a BMW supplier and wondered if there is a non oem thermo for this bike?
Thanks, Brent
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'93 K1100 LT
'80 Honda CX500 Custom (8000 kil.)

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Rafal · Posted: Fri Jan 09, 2009 6:37 pm Post subject:

Hello quadrabrick anb ALL !

Well this is my firs post (introduction later, tomorrow early skiing Cool

).
The part number is: 17111460716 designed for following bikes it is a part no 2 on this drawing.
I suggest to find genuine part heat management in K's 11's engine is quite precise one and heat load is significant. Some BMW dealers will ship parts with no problem, or ask at BMW car dealer, they should be able to get it. Well at least it works in my place.

Best regards

Rafal
K75S is a real beauty
K1100RS is a real beast (in Marrakesh Red)

Jack the Rat · Joined: 11 Sep 2008 Posts: 10 Location: North Georgia, USA

Does anyone know what would happen if we didn't use a thermostat? In a car they are handy for running the heater sooner but since I don't have a heater on my brick I was wondering what good it did? I realize it heats the engine up sooner so is the only reason it is there is to get to operating temperature sooner?
Thanks!
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Jackson
07 Goldwing
93K1100LT

Rafal · Posted: Wed Jan 21, 2009 2:51 pm Post subject: Re: Thermostats

Hello!

I can assure you that majority of thermostats in cars control the engine temperature not heaters. Heater control is made by additional one.
A main thermostat controls the amount of cooling liquid going through the radiator. Usually it opens at 80-90 Celsius degrees. If you ride in cold climate there is a chance that the engine would be constant underheated and the fuel consumption will be higher then normal.

BR
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Rafal
K1100RS is a real beast (in Marrakesh Red)
K75S is a real beauty - she has gone Sad

, but not to far Smile

.

Jim · Posted: Wed Jan 21, 2009 3:02 pm Post subject: Re: Thermostats

hockeyshifter · Posted: Sun Feb 15, 2009 2:46 am Post subject:

in the fuel injected engines temp control is important . ( note for Diesel it is critical)
the ideal temp is 100 F over the ambient air temp. so in real world issues the engine would never get up to operational temp. summer and traffic excluded.

what i take issue with is the design of the thermostat. i feel that even wide open it is still restrictive. i would like to see a design more like a gate valve that when fully open is non restrictive. heavy trucks have a sleve style that when open is almost non restrictive. the stopper will retract into the block . (temp control to actuate the valve coms from the oil temp)
to complex for gas engine.
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fix the problem not the blame ; fix what is messed up ; NO one is to blame.