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Old 03-09-2014, 11:13 AM   #1
Astolfo OP
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Muddy water crossings in LC bikes, bad repercussions

So I have a GSA about to hit (march 19th) the USofA and I just started to think about the riding I do, 70% road 30% off-road (because my bikes are my commuter) here in the PNW. When off-road, I do a lot of back road in the Olympics, and South of the Puget Sound, and many times with pretty deep muddy water crossings. from my experience all that gets baked in the radiators which leads to engine over heating.
Yes motocross bikes, all use radiators but they have a pit crew to clean them every 5 laps...

Now that I think about it....why in the world would BMW add a radiator to a bike that is designed to go in back-country trips...
When I used to do the Discovery challenge we had to either stop and cover the radiator before a water crossing to minimize the water flow through it or it would become a solid brick by the end of the day and make it almost impossible to clean with anything but a pressure washer, not many around in the back road....

thoughts and real experiences?

Dam it I should he kept my non LC bike!
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Old 03-09-2014, 11:16 AM   #2
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Buyers' remorse?
You don't have to take it, you know.
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Old 03-09-2014, 11:20 AM   #3
mwhite5471
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If its spray from the front wheel you could try a fender extender?

Or if it splash the sides i have no clue...other than a set of custom pre-guards?
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Old 03-09-2014, 11:21 AM   #4
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Originally Posted by Aviatordoc View Post
Buyers' remorse?
You don't have to take it, you know.
no... no... buyers remorse...
I think it is a valid concern. the radiators are shaped to scoop air, and will scoop water and bake the mud into a brick.
just trying to figure out what other people think and how to work around it...
In the Land Rovers it was easy to clean the radiators from them back, in gs800 it is easy too plus the radiator is high, I have not seen a LC GSA in person yet
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Old 03-09-2014, 11:29 AM   #5
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Originally Posted by mwhite5471 View Post
If its spray from the front wheel you could try a fender extender?

Or if it splash the sides i have no clue...other than a set of custom pre-guards?
The fender will not do a thing... when doing deep crossings you go as slow as you can and as fast as you need.

With trucks this usually means that you are creating a "bow" wave which lowers the water level in the front of the truck by displacing and pushing water, which allows you to go deeper than you would think.

With bikes it means that you are deep up to your knees in water.....
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Old 03-09-2014, 11:38 AM   #6
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The radiators are about as high as practical on the bike. Frankly I'd be a lot more worried about fully immersing all those electronics regularly than cleaning the radiators. Imho none of the big "adv" bikes are designed for this kind of abuse.


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Old 03-09-2014, 11:44 AM   #7
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Considering that the intake of the air cooled models is lower then the radiators on the wethead, I'd bet the new bike is more capable crossing deep water, not less.
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Old 03-09-2014, 12:05 PM   #8
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Originally Posted by bemiiten View Post
Considering that the intake of the air cooled models is lower then the radiators on the wethead, I'd bet the new bike is more capable crossing deep water, not less.
my concern is not about depth... it is about baking all that mud in the radiators.
unlike all the pictures of people crossing streams at 40mph, longer crossings are done pretty slow.
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Old 03-09-2014, 12:14 PM   #9
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You're over thinking it a bit. Just ride the bike and enjoy it. Hose off the radiators when you get the chance.

Don't create a problem in your head that you haven't actually experienced.
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Old 03-09-2014, 12:30 PM   #10
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You're over thinking it a bit. Just ride the bike and enjoy it. Hose off the radiators when you get the chance.

Don't create a problem in your head that you haven't actually experienced.
maybe I am maybe I am not, I am trying to figure out if someone out there has any experience on situations like this, or like riding the Alaskan HWY, where the slush gets to everywhere!
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Old 03-09-2014, 12:57 PM   #11
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maybe I am maybe I am not, I am trying to figure out if someone out there has any experience on situations like this, or like riding the Alaskan HWY, where the slush gets to everywhere!
Slush? On the Dalton/Haul Rd., that's calcium chloride slurry and yes, you have to stop and power wash it when you can at towns. You don't want it to dry fully or it's a bear to remove. But you've been talking about the Olympic Peninsula/PacNorWet riding where the mud isn't going to solidify into something that won't get soft when water hits it again.

You could just buy a Super Tenere with it's side mounted radiator...

Did you have this problem with the F800GS?
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Old 03-09-2014, 01:39 PM   #12
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Originally Posted by Dirty bike View Post
Slush? On the Dalton/Haul Rd., that's calcium chloride slurry and yes, you have to stop and power wash it when you can at towns. You don't want it to dry fully or it's a bear to remove. But you've been talking about the Olympic Peninsula/PacNorWet riding where the mud isn't going to solidify into something that won't get soft when water hits it again.

You could just buy a Super Tenere with it's side mounted radiator...

Did you have this problem with the F800GS?
In 2012 AK DOT was using Mag Chloride on the Dalton.

If you EVER see them spraying the stuff...typically on HILLS to provide better traction...BEWARE.

The slurry when WET is extremely slippery before it DRIES and there's no place to go on the road...but down the hill.

While having lunch at the HOT SPOT...about 3 miles North of the Yukon River (left side)...a trucker asked which way I was headed and alerted me to the Mag Chloride spraying AK DOT was just then doing.

Thank you...Ice Road Truckers!No...it wasn't Lisa K.

LaurelPerryOnLand screwed with this post 03-09-2014 at 01:52 PM
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Old 03-09-2014, 03:03 PM   #13
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Originally Posted by Dirty bike View Post
You're over thinking it a bit. Just ride the bike and enjoy it. Hose off the radiators when you get the chance.

Don't create a problem in your head that you haven't actually experienced.
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Old 03-09-2014, 04:08 PM   #14
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You are thinking too much , moto cross bikes have the same arrangement with no issues and sometimes way more mud, I have seen no issues with my 2013 GS.
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Old 03-09-2014, 04:20 PM   #15
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radiators have been proven worthy on so many extreme off road bikes, why do you doubt the beemer's new design? air cooled, whether on hardly-ableson or bmw is just so old skool. but many folks fear the change monster
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