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Author Topic: Cooler Thermostat Fan Switch  (Read 2191 times)

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Offline SpitFireRSA

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Cooler Thermostat Fan Switch
« on: January 24, 2017, 09:53:56 am »
Hi Guys

In effort to keep my 690 on the cooler side, I have been looking for one of these:

http://www.rally-raidproducts.co.uk/thermostat-switch-ktm-690

Is there perhaps a local supplier, or am I wasting my time :) ?

Alternative would be a manual switch ?

TIA !
 

Offline iamgigglz

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Re: Cooler Thermostat Fan Switch
« Reply #1 on: January 24, 2017, 10:03:10 am »
I've been looking for the same thing for my 990 with no success. KTM part no 83035045000; don't know if it's the same part but it seems to be less than half the price of your link.
I've been contemplating getting my brother in law to send one from the states. :P
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Offline geopat

Re: Cooler Thermostat Fan Switch
« Reply #2 on: January 24, 2017, 09:02:37 pm »
Terrible timing mine just arrived from the UK a week ago and you could have scored free shipping
 

Offline JMG

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Re: Cooler Thermostat Fan Switch
« Reply #3 on: January 24, 2017, 10:28:51 pm »
Not sure about the thread size being the same but the fan switch on a  640 normally operates on 84-88. There's a one of the Kawasakis that also uses it but they're extremely expensive like close to a R1000
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Offline JesseH

Re: Cooler Thermostat Fan Switch
« Reply #4 on: January 25, 2017, 06:51:39 am »
Howzit. I have a KTM 625 SXC. Same motor as the 640 Adv LC4. I recently changed my fan switch (6 months ago?) and put in a suzuki fan switch. Was way cheaper than the KTM part and makes the fan kick in a few degrees sooner than my OEM part. Mine was faulty and the fan would never come on and that's why I changed it. A mate of mine has a bike workshop and also rides the 640 ADV and instructed me to use this. I can find out the part number if you need? But as long as the threads are right it should work in your application!
Hope you come right!
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Offline evansv

Re: Cooler Thermostat Fan Switch
« Reply #5 on: January 25, 2017, 07:55:12 am »
I also have a 625 SXC so would be interested in a cooler fan switch.
DT 125, GSX 750 ES, XJ 900, KX 125, YZ 250, WR 200, RMX 250 (280 kit), FZ-6, 2006, DT 125 LC (rear ended by Fortuner - written off), DT200R (current), KTM 625 SXC (current)
 

Offline SpitFireRSA

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Re: Cooler Thermostat Fan Switch
« Reply #6 on: January 25, 2017, 09:40:50 am »
Howzit. I have a KTM 625 SXC. Same motor as the 640 Adv LC4. I recently changed my fan switch (6 months ago?) and put in a suzuki fan switch. Was way cheaper than the KTM part and makes the fan kick in a few degrees sooner than my OEM part. Mine was faulty and the fan would never come on and that's why I changed it. A mate of mine has a bike workshop and also rides the 640 ADV and instructed me to use this. I can find out the part number if you need? But as long as the threads are right it should work in your application!
Hope you come right!

Saving some bucks is always welcome  :thumleft:

Hmm, I phoned KTM CT a moment ago, mentioned the part numbers are different from the 640 to the 690 and concluded that they are not the same.

---

Don't mean to cross-pollinate, but found this:

" Get a thermostat switch for a Suzuki LTZ400. The Suzuki LTZ400 is a Kawasaki KFX-400 is an Arctic Cat DVX-400. Suzuki makes it and sells it to Kawasaki and Arctic cat.

I got mine from MRcycles and installed it and it works fine. "

http://supermotojunkie.com/showthread.php?109794-Fan-Switch

--

Will see if I can get specs and a price on it today... Maybe we can compare part numbers ?
 

Offline IanTheTooth

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Re: Cooler Thermostat Fan Switch
« Reply #7 on: January 25, 2017, 09:48:10 am »
one of these heat settings should do it for you.

http://www.banggood.com/KSD9700-250V-5A-45-120-Thermostat-Bimetal-Temperature-Switch-Normally-Open-p-979890.html?rmmds=search

These switches do exhibit quite a large Schmitt switching hysteresis.
« Last Edit: January 25, 2017, 09:52:24 am by IanTheTooth »
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Offline the_BOBNOB

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Re: Cooler Thermostat Fan Switch
« Reply #8 on: January 25, 2017, 10:51:03 am »
I was at Honda today to find out about one of these switches for a bike - R1027  :o :o :o

 

Offline SpitFireRSA

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Re: Cooler Thermostat Fan Switch
« Reply #9 on: January 25, 2017, 11:48:50 am »
I was at Honda today to find out about one of these switches for a bike - R1027  :o :o :o

Suzuki South wanted R1350 for it  :eek: ....

Trying a couple of other places - last resort:

http://www.ebay.com/itm/New-Suzuki-Radiator-Cooling-Fan-Thermo-Thermostat-Switch-LTZ400-LTA500-LTF500-/292001170017?hash=item43fca04261:g:FVsAAOSwOtdYVD6r&vxp=mtr
 

Offline the_BOBNOB

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Re: Cooler Thermostat Fan Switch
« Reply #10 on: January 25, 2017, 12:04:18 pm »
i stopped at the hardware shop and bought a little ON/OFF toggle switch (R19) and do manual control of the fan for now

currently my fan is wired to just run all the time but i want to have it OFF on startup, OFF during warmup and OFF on the highway at speed

i'll try and source a radiator fan switch for cheaper - saw some on ebay for R80

http://www.ebay.com/itm/151549837796?_trksid=p2055119.m1438.l2649&ssPageName=STRK%3AMEBIDX%3AIT

« Last Edit: January 25, 2017, 12:05:50 pm by the_BOBNOB »
 

Offline SpitFireRSA

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Re: Cooler Thermostat Fan Switch
« Reply #11 on: January 25, 2017, 12:31:30 pm »
i stopped at the hardware shop and bought a little ON/OFF toggle switch (R19) and do manual control of the fan for now

currently my fan is wired to just run all the time but i want to have it OFF on startup, OFF during warmup and OFF on the highway at speed

i'll try and source a radiator fan switch for cheaper - saw some on ebay for R80

http://www.ebay.com/itm/151549837796?_trksid=p2055119.m1438.l2649&ssPageName=STRK%3AMEBIDX%3AIT

Yeah, I hear you on that ..

The nice thing with that, is that you can choose when to run it, but still have the switch kick in when the threshold temp is met.

Best of both worlds then :)
 

Offline Bill the Bong

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Re: Cooler Thermostat Fan Switch
« Reply #12 on: January 25, 2017, 10:32:30 pm »
I put in a Suzuki LTZ400 switch into my 690 a couple of years ago.  Was about R200 then.
 

Offline evansv

Re: Cooler Thermostat Fan Switch
« Reply #13 on: January 26, 2017, 06:38:36 am »
I have a manual override switch & the thermal switch from the KTM fan kit, as the SXC doesn't come standard with a fan.

I welded up an adaptor to fit the thermal switch, as the thread sizes were different.
DT 125, GSX 750 ES, XJ 900, KX 125, YZ 250, WR 200, RMX 250 (280 kit), FZ-6, 2006, DT 125 LC (rear ended by Fortuner - written off), DT200R (current), KTM 625 SXC (current)
 

Offline JesseH

Re: Cooler Thermostat Fan Switch
« Reply #14 on: January 26, 2017, 07:25:20 am »
Checked yesterday. The suzuki part that I have deos fit the 690. My SXC too did not come with a fan but I have the after market one fitted - previous owner's endeavour. With this switch, I haven't had cooling problems even in slow technical riding and in Lowveld sweltering heat. Must also be the Wynn's antifreeze i used! :thumleft: :thumleft: :thumleft:
Ex Cagiva Elefant E750 1994
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Offline SpitFireRSA

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Re: Cooler Thermostat Fan Switch
« Reply #15 on: January 26, 2017, 08:32:15 am »
Fixed the switch to the handlebar and did a temporary installation / test It works just grand !

Only problem I have, and this may just be my OCD, is that when the switch is " ON ", the fan is off.

This can be fixed with a slight hackjob moving one of the wires / contact surfaces, but I think I will just live with it the way it is :)

Going to get me some waterproof connectors and install it properly over the weekend.. Hopefully !

Will post some pics if I can.
 

Offline SpitFireRSA

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Re: Cooler Thermostat Fan Switch
« Reply #16 on: January 26, 2017, 08:38:16 am »
This just in from MotoHut - http://motohut.co.za/

" That OEM Suzuki radiator fan switch is R525. With lead time of 1-2 days"

I am sure that's ex VAT, but I am def getting one :thumleft:

Anyone in CT area want me to order another one to cut on shipping costs ?  I have to order a chain and what not to go with that anyways.
 

Offline the_BOBNOB

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Re: Cooler Thermostat Fan Switch
« Reply #17 on: January 26, 2017, 10:13:20 am »
Only problem I have, and this may just be my OCD, is that when the switch is " ON ", the fan is off.

Change your mindest - when the switch is "ON" then the radiator thermal switch is "ON" if it is "OFF" then the thermostat fan switch is "OFF"  ;D

OCD solved  :thumleft:
 

Offline SpitFireRSA

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Re: Cooler Thermostat Fan Switch
« Reply #18 on: January 26, 2017, 10:18:52 am »
Ha ! What sorcery is this  :o :biggrin:
 

Offline evansv

Re: Cooler Thermostat Fan Switch
« Reply #19 on: January 26, 2017, 05:15:40 pm »
Here's a picture of the fan switch adaptor I made. I pealed back the rubber boot to make it more obvious.
DT 125, GSX 750 ES, XJ 900, KX 125, YZ 250, WR 200, RMX 250 (280 kit), FZ-6, 2006, DT 125 LC (rear ended by Fortuner - written off), DT200R (current), KTM 625 SXC (current)