K1200lt overheating - BMW Luxury Touring Community
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post #1 of 11 Old Jul 28th, 2016, 6:09 pm Thread Starter
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Unhappy K1200lt overheating

I have a 2002 K1200 to western C0 lt with 18000k on the clock, bike always runs 3/4 on heat gauge ,took trip too western CO. heat gauge pegged on 9-10000 ft passes has water in recovery tank. Any ideas before I have to pull plastic??
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post #2 of 11 Old Jul 28th, 2016, 6:41 pm
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Re: K1200lt overheating

test the radiator cap, better still, replace it at that age it has done its job. The recovery tank is meant to have coolant in it up to the Max line, you don't need to remove any plastic for this.

Regards Linton
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and no koalas are not Bears



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post #3 of 11 Old Jul 28th, 2016, 6:42 pm
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Re: K1200lt overheating

Quote:
Originally Posted by Wildtrike View Post
I have a 2002 K1200 to western C0 lt with 18000k on the clock, bike always runs 3/4 on heat gauge ,took trip too western CO. heat gauge pegged on 9-10000 ft passes has water in recovery tank. Any ideas before I have to pull plastic??
I had the same issue while towing a trailer past Breckenridge. Did your red warning light come on? When you say pegged do you really mean pegged or is the needle just in the red. Are your cooling fans working? Altitude has a lot to do with it.

Robert

They that can give up essential liberty to obtain a little temporary safety deserve neither liberty nor safety.
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2000 K1200LT "Latifah"
1994 R1100RSL (wife's)
1981 R80GS
1976 R90S
1965 R80/2 Frankenbike (wife's)
2001 Bunkhouse LX (given to son)
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post #4 of 11 Old Jul 28th, 2016, 7:04 pm Thread Starter
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Re: K1200lt overheating

Thanks for cap info, with gauge reading at 3/4 most of time does this reading seem normal? fan seem to run a lot during summer months
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post #5 of 11 Old Jul 28th, 2016, 7:07 pm Thread Starter
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Re: K1200lt overheating

and yes coming over Wolfcreek Pass needle was pegged, I pull over too let fans cool things down
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post #6 of 11 Old Jul 28th, 2016, 7:59 pm
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Re: K1200lt overheating

Not uncommon in the mountains thinner air less cooling. The early bikes gauge is a bit misleading as it will almost get to the red before the fans come on and you still have a ways to go before you actually overheat (red light on). See the chart.
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post #7 of 11 Old Jul 28th, 2016, 8:03 pm
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Re: K1200lt overheating

I would check to make sure the overflow hose isn't leaky. (Check the fluid level in the radiators) If it's cracked or pinched your reservoir can be full and your radiators low. Other than that, sounds like a bad thermostat and/or cap, maybe real dirty radiator fins.
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post #8 of 11 Old Jul 28th, 2016, 8:04 pm
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Re: K1200lt overheating

3/4 on a hot day does seem normal to me, but not in the red unless you are in stop go traffic, it should be sitting about 1/2 way a bit higher under normal operating conditions. The fans should cut in when the needle hits red, pulling over and letting the fans cool the radiators I don't recommend, the water needs to be circulating as well, so bring your speed back down and keep riding, really think you should replace that cap.

Regards Linton
From the land of Kangaroo's and Koalas
and no koalas are not Bears



2002 K1200LT
2010 Suzuki GSX 1250FA (the Wifes)
2004 Cub Kamparoo Sprint
My Toys
1976 Datsun 260Z
1989 Nissan 300zx TT
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post #9 of 11 Old Jul 28th, 2016, 9:25 pm Thread Starter
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Re: K1200lt overheating

Thanks for the help will check all things mentioned in reply's,let you know what I find, Thanks again

Paul,
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post #10 of 11 Old Jul 29th, 2016, 9:21 am
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Re: K1200lt overheating

Could the radiator faces be full of bugs or dirt which are impacting the cooling effect and causing the high temperature gauge indication?

While on the topic, is there an automotive solution that assists in cleaning the exposed radiator grills or will a garden hose and water be good enough to clean them?

Rob, 2000 LT
Navarre, FL
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post #11 of 11 Old Jul 29th, 2016, 1:27 pm
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Re: K1200lt overheating

Other things that contribute to excessive heat on this model is going slower than 55 mph or a tail wind. The radiator capacity is marginal for the bike and not perfect conditions. Keep it clean.

Beech
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