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DSN_KLR650
Tengai Mark Van Horn
Posts: 1922
Joined: Tue Nov 19, 2002 8:31 pm

overheating in mexico

Post by Tengai Mark Van Horn » Tue Nov 06, 2012 3:49 pm

I'd jump the fan from the thermoswitch to ground so it runs all the time. Use a spade connector at the ground and pull the connection when you shut off the bike. Or, add a manual switch. Mark At 12:27 PM -0500 11/6/12, Blake El Explorador wrote: ...the bike when idling at the moment or it will just rise in temp steadily until I either overheat or hit a good stretch of road to get up to speed and cool it down. [Non-text portions of this message have been removed]

RobertWichert
Posts: 697
Joined: Sun Jan 10, 2010 11:32 am

overheating in mexico

Post by RobertWichert » Tue Nov 06, 2012 4:09 pm

How about my "running backwards" idea? Robert P. Wichert P.Eng. LEED AP BD&C +1 916 966 9060 FAX +1 916 966 9068
On Nov 6, 2012, at 12:49 PM, Tengai Mark Van Horn wrote: > I'd jump the fan from the thermoswitch to ground so it runs all the > time. Use a spade connector at the ground and pull the connection > when you shut off the bike. Or, add a manual switch. > > Mark > > At 12:27 PM -0500 11/6/12, Blake El Explorador wrote: > ...the bike when idling at the moment or it will just rise in temp > steadily until I either overheat or hit a good stretch of road to get > up to speed and cool it down. > > [Non-text portions of this message have been removed] > > [Non-text portions of this message have been removed]

Jeff Saline
Posts: 2246
Joined: Fri Oct 10, 2003 6:02 pm

overheating in mexico

Post by Jeff Saline » Tue Nov 06, 2012 5:00 pm

On Tue, 6 Nov 2012 12:27:40 -0500 Blake El Explorador writes:
> > Hey everyone, here reading through all the overheating related > issues on sixfifty.net, thought maybe someone here may help me > pinpoint what I m looking for: > > 02 KLR overheating after a couple of crashes and getting hit by a > truck (But I m okay! 6 lives left! > > Fan works, had to cut it down a bit so it doesn t rub on the tweaked > mount . Rad has lost maybe five percent surface area due to > irreparably twisted fins. All in all, the bike should in my > uninformed opinion run only nominally hotter than usual, but I have > to stop the bike when idling at the moment or it will just rise in > temp steadily until I either overheat or hit a good stretch of road > to get up to speed and cool it down. > > Any opinions or advice would be greatly appreciated. Being stuck > here isn t all bad, but I m anxious to get the bike running again. > > Cheers > > Blake
<><><><><><> <><><><><><> Blake, If I recall correctly your bike was puking coolant. That would suggest to me the flow is so low it is allowing the coolant to get to a boiling point. I consider the stat as a potential cause of the running hotter than normal. Not knowing your situation I think I'd probably remove it and see what happens with it out of the system. If it runs cool to cold then I'd guess the stat was the issue. If the problem continues I would no longer suspect the stat and would then probably consider coolant flow. Next thing I think I'd check would be the coolant pump impeller being loose on the end of the balancer/drive shaft. I don't know if a guy could remove the hoses at the coolant pump and get a finger in and turn the impeller or not. I would make sure the engine was off if I was going to stick stuff into the pump. : ) I'd also consider pulling all the hoses off the bike and flushing each and giving them a good inspection. Then I'd flush each coolant passage and inspect for flow. Finally I'd put it together and make sure I was using coolant at no more than a 50/50 mix of coolant to distilled water. If I was pretty sure I wasn't going to be in freezing temperatures I'd probably be comfortable with trying as low as 20/80 mix meaning 20% coolant and 80% distilled water. As for the fan... I've heard of at least a few coming from the factory blowing forwards. All it takes to fix is reversing the two power leads. Best, Jeff Saline ABC # 4412 South Dakota Airmarshal Airheads Beemer Club www.airheads.org The Beautiful Black Hills of South Dakota 75 R90/6, 03 KLR650 . . ____________________________________________________________ Woman is 53 But Looks 25 Mom reveals 1 simple wrinkle trick that has angered doctors... http://thirdpartyoffers.juno.com/TGL3141/5099966b99771166b225dst01vuc

Bogdan Swider
Posts: 2759
Joined: Thu Apr 06, 2000 2:04 pm

overheating in mexico

Post by Bogdan Swider » Tue Nov 06, 2012 5:05 pm

Are you sure your fan is pushing air ? Your water pump works cause it cools at speed. You didn't mention any leaks. Seems like something with the fan. Those outdoor shops down there can fix anything. History repeats it self. I ran from Veracruz state in Mexico to Colorado with my fan not working; you can do without the fan. If the bike gets a little hot it won't hurt anything; trouble is you have to know what's too much kinda like whiskey. Bogdan From: RobertWichert > Date: Tuesday, November 6, 2012 12:03 PM To: Blake El Explorador > Cc: "dsn_klr650@yahoogroups.comdsn_klr650@yahoogroups.com>" dsn_klr650@yahoogroups.comdsn_klr650@yahoogroups.com>> Subject: Re: [DSN_KLR650] Overheating in Mexico Does the fan start up when the bike is idling and it gets hot (3/4 on the gauge)? If not, you got relay or sensor issues. You can direct wire it if you need to bypass all that. When the fan starts, does it move any air? Try a cigarette in front to see if it moves air. A CIGARETTE! Or a cigar will work. Nothing fancy. : ) If it doesn't move air you are either running it backwards (it could happen, I guess) or your trim job was too much or your fins are more blocked than you thought. Let us know how it's going. I'm sure others will have better ideas. Robert Wichert P.Eng. LEED AP BD&C +1 916 966 9060 FAX +1 916 966 9068 ===============================================
On 11/6/2012 9:27 AM, Blake El Explorador wrote: > > > Hey everyone, here reading through all the overheating related issues > on sixfifty.net, thought maybe someone here may help me pinpoint what > I m looking for: > > 02 KLR overheating after a couple of crashes and getting hit by a > truck (But I m okay! 6 lives left! > > Fan works, had to cut it down a bit so it doesn t rub on the tweaked > mount . Rad has lost maybe five percent surface area due to > irreparably twisted fins. All in all, the bike should in my uninformed > opinion run only nominally hotter than usual, but I have to stop the > bike when idling at the moment or it will just rise in temp steadily > until I either overheat or hit a good stretch of road to get up to > speed and cool it down. > > Any opinions or advice would be greatly appreciated. Being stuck here > isn t all bad, but I m anxious to get the bike running again. > > Cheers > > Blake > > > [Non-text portions of this message have been removed] > > [Non-text portions of this message have been removed] [Non-text portions of this message have been removed]

achesley43@ymail.com
Posts: 262
Joined: Sun Mar 11, 2012 8:16 pm

overheating in mexico

Post by achesley43@ymail.com » Tue Nov 06, 2012 8:27 pm

--- In DSN_KLR650@yahoogroups.com, "sweetassdave" wrote:
> > I've ridden quite a bit in Honduras and Guatemala with my '06 already > and haven't experience any problems with the temp. spiking, but it was > never over 80 degrees. Does anyone have tips for a desert ride if I > travel through Mexico? Does 'Water Wetter' actually make a difference > if added to the coolant? > > Thanks, Dave of Wisconsin >
Some wheres in this computer , I have a write up on putting a second radiator on the KLR and moving the water res to the side. If you're really interested, I'll find it and email it to you. Ive never done it due to not having a problem with temps never getting more than about 1/8 inch paste the center mark when the fan comes on. And yes, it does get hot down here on the Louisiana coast. ;-) ]

Jeff Saline
Posts: 2246
Joined: Fri Oct 10, 2003 6:02 pm

overheating in mexico

Post by Jeff Saline » Tue Nov 06, 2012 8:44 pm

On Wed, 07 Nov 2012 02:27:02 -0000 "achesley43@..." writes:
> Some wheres in this computer , I have a write up on putting a second > radiator on the KLR and moving the water res to the side. If you're > really interested, I'll find it and email it to you. Ive never done > it due to not having a problem with temps never getting more than > about 1/8 inch paste the center mark when the fan comes on. And yes, > it does get hot down here on the Louisiana coast. ;-) > ]
<><><><><> <><><><><> I put a second radiator on my 03 KLR 4 or 5 years ago. Used a right radiator from a KLR250. I also have a second fan but I don't think it's really needed as two radiators work well for shedding heat. I also have a T-Bob like stat housing and by-pass. Without that the coolant system would run way too cool for any use below about 70 degrees F. Adding a second radiator is not a weekend project if you want it to look professional. I spent the better part of a month making brackets, moving electrical components and generally making stuff fit. Best, Jeff Saline ABC # 4412 South Dakota Airmarshal Airheads Beemer Club www.airheads.org The Beautiful Black Hills of South Dakota 75 R90/6, 03 KLR650 . . ____________________________________________________________ Woman is 53 But Looks 25 Mom reveals 1 simple wrinkle trick that has angered doctors... http://thirdpartyoffers.juno.com/TGL3141/5099cad9adc464ad923b7st03vuc

achesley43@ymail.com
Posts: 262
Joined: Sun Mar 11, 2012 8:16 pm

overheating in mexico

Post by achesley43@ymail.com » Tue Nov 06, 2012 8:52 pm

This is the write up I'm talking about. If interested , contact Jeff and he'll give you the ya and na about it. Thanks Jeff. Andy in Jennings, La.
--- In DSN_KLR650@yahoogroups.com, Jeff Saline wrote: > > On Wed, 07 Nov 2012 02:27:02 -0000 "achesley43@..." > writes: > > Some wheres in this computer , I have a write up on putting a second > > radiator on the KLR and moving the water res to the side. If you're > > really interested, I'll find it and email it to you. Ive never done > > it due to not having a problem with temps never getting more than > > about 1/8 inch paste the center mark when the fan comes on. And yes, > > it does get hot down here on the Louisiana coast. ;-) > > ] > <><><><><> > <><><><><> > > I put a second radiator on my 03 KLR 4 or 5 years ago. Used a right > radiator from a KLR250. I also have a second fan but I don't think it's > really needed as two radiators work well for shedding heat. I also have > a T-Bob like stat housing and by-pass. Without that the coolant system > would run way too cool for any use below about 70 degrees F. > > Adding a second radiator is not a weekend project if you want it to look > professional. I spent the better part of a month making brackets, moving > electrical components and generally making stuff fit. > > Best, > > Jeff Saline > ABC # 4412 South Dakota Airmarshal > Airheads Beemer Club www.airheads.org > The Beautiful Black Hills of South Dakota > 75 R90/6, 03 KLR650 > > . > . > ____________________________________________________________ > Woman is 53 But Looks 25 > Mom reveals 1 simple wrinkle trick that has angered doctors... > http://thirdpartyoffers.juno.com/TGL3141/5099cad9adc464ad923b7st03vuc >

David Nichols
Posts: 158
Joined: Mon Nov 14, 2016 10:50 am

farklebar

Post by David Nichols » Wed Nov 07, 2012 12:55 pm

Apologies this is one of you selling this...but what is this guy thinking??? http://youtu.be/9PnfbKG9YkY [Non-text portions of this message have been removed]

Blake El Explorador
Posts: 11
Joined: Thu Jun 09, 2011 11:40 pm

overheating in mexico

Post by Blake El Explorador » Wed Nov 07, 2012 1:29 pm

Thanks for the suggestions all, will try them out tomorrow. Problem is I came here to fix the bike but a group of university girls invited me to stay with them at their house and I ve been a little busy to get much done on the bike... For now I can at least rule out electronic errors, the fan kicks in right as it should - For now! So far I ve been able to ride it around the city without overheating, though I do have to turn it off at lights and carry a camelbak to spray the rad should I need to cool it down. The pipes are slightly bent at the middle of the rad but I don t think that should obstruct the flow... Will look into the water pump, but if the rad is heating up that should mean that it s flowing and thus I don t need to take it apart, or perhaps I am missing something. Off to whisk one of the lovely local girls to Guanajato, wish me luck the bike doesnt melt down on me. Then again, there are worse situations to be stuck in... Cheers Blake Date: Tue, 6 Nov 2012 15:48:50 -0800 From: tenntimtwo@... Subject: Re: [DSN_KLR650] Overheating in Mexico To: onetwistedpoet@... I'm not sure what all has been suggested but I might check something else. Are you sure the waterpump is pumping? It almost sounds like the water/antifreeze isn't circulating. That might be a stuck closed thermostat, or the pump. As to the fan, you might be surprised how much trimming the blades, even just a little bit, might affect how much air it moves. That siad, I still think you aren't flowing coolant. Any crushed or badly kinked pipes or tubes from your, uh, incidents? Tp Knoxville TN From: Blake El Explorador To: dsn_klr650@yahoogroups.com Sent: Tuesday, November 6, 2012 12:27 PM Subject: [DSN_KLR650] Overheating in Mexico Hey everyone, here reading through all the overheating related issues on sixfifty.net, thought maybe someone here may help me pinpoint what I m looking for: 02 KLR overheating after a couple of crashes and getting hit by a truck (But I m okay! 6 lives left! Fan works, had to cut it down a bit so it doesn t rub on the tweaked mount . Rad has lost maybe five percent surface area due to irreparably twisted fins. All in all, the bike should in my uninformed opinion run only nominally hotter than usual, but I have to stop the bike when idling at the moment or it will just rise in temp steadily until I either overheat or hit a good stretch of road to get up to speed and cool it down. Any opinions or advice would be greatly appreciated. Being stuck here isn t all bad, but I m anxious to get the bike running again. Cheers Blake [Non-text portions of this message have been removed] [Non-text portions of this message have been removed]

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