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SpudRider · 06-29-2013, 03:51 AM

The CRF250L has mounting tabs on the right radiator for a cooling fan. Some riders say the "optional" fan is unnecessary.

However, I discovered if you are climbing 5,000 feet of steep terrain, in summer, in the Rocky Mountains, you certainly do need the "optional" fan.

The Honda Cooling Fan Set is part #19000-KSC-000, and the lowest price I found for it was $265.78.

The highest price was $344.19.

I searched the internet and discovered a much less expensive option.

I installed a 4" SPAL fan, which I purchased for $51.05, delivered. I also installed a radiator cooling fan switch, which I purchased from AutoZone for $25.99.

http://www.autozone.com/autozone/par...16306_0_0_5051

My 2004 CRF250X has a empty connection for the cooling fan located on the wiring harness. The power is supplied from the lighting coil, which routes through the bike's main fuse, and turns off when the engine is stopped.

The radiator has a plug for the cooling fan switch.

I connected the positive wire from the SPAL fan to the lighting coil wire. I connected the negative wire from the SPAL fan to one of the wires leading into the cooling fan switch. I then connected the second wire from the cooling fan switch to ground, and the wiring was complete.

I needed to trim my right radiator guard so the SPAL fan could fit behind it. However, the fan strengthens the radiator, and the radiator guard is still very strong by itself.

I mounted the the SPAL fan to the inside tab by creating an offset with a short piece of 3/4" aluminum bar.

After finishing the job, I took the CRF250X for a test ride. The fan works great!

Before installing the fan, my bike would overheat to 265 degrees Fahrenheit, and boil the coolant while climbing steep, loose, rocky, technical terrain.

Now the temperature doesn't exceed 210 degrees Fahrenheit.

The AutoZone switch turns on the fan when the coolant temperature reaches 203 degrees Fahrenheit, and turns off the fan when the coolant temperatures drops to 188 degrees Fahrenheit.

This cooling fan is one of the best modifications I have made to my Honda CRF250X.

06-29-2013, 03:51 AM	#125
SpudRider Join Date: Jul 2008 Location: Idaho Posts: 25,054	The CRF250L has mounting tabs on the right radiator for a cooling fan. Some riders say the "optional" fan is unnecessary. However, I discovered if you are climbing 5,000 feet of steep terrain, in summer, in the Rocky Mountains, you certainly do need the "optional" fan. The Honda Cooling Fan Set is part #19000-KSC-000, and the lowest price I found for it was $265.78. The highest price was $344.19. I searched the internet and discovered a much less expensive option. I installed a 4" SPAL fan, which I purchased for $51.05, delivered. I also installed a radiator cooling fan switch, which I purchased from AutoZone for $25.99. http://www.autozone.com/autozone/par...16306_0_0_5051 My 2004 CRF250X has a empty connection for the cooling fan located on the wiring harness. The power is supplied from the lighting coil, which routes through the bike's main fuse, and turns off when the engine is stopped. The radiator has a plug for the cooling fan switch. I connected the positive wire from the SPAL fan to the lighting coil wire. I connected the negative wire from the SPAL fan to one of the wires leading into the cooling fan switch. I then connected the second wire from the cooling fan switch to ground, and the wiring was complete. I needed to trim my right radiator guard so the SPAL fan could fit behind it. However, the fan strengthens the radiator, and the radiator guard is still very strong by itself. I mounted the the SPAL fan to the inside tab by creating an offset with a short piece of 3/4" aluminum bar. After finishing the job, I took the CRF250X for a test ride. The fan works great! Before installing the fan, my bike would overheat to 265 degrees Fahrenheit, and boil the coolant while climbing steep, loose, rocky, technical terrain. Now the temperature doesn't exceed 210 degrees Fahrenheit. The AutoZone switch turns on the fan when the coolant temperature reaches 203 degrees Fahrenheit, and turns off the fan when the coolant temperatures drops to 188 degrees Fahrenheit. This cooling fan is one of the best modifications I have made to my Honda CRF250X. __________________ Spud "Never argue with an idiot. He will drag you down to his level, and beat you with experience." Mark Twain 2015 Zongshen ZS250GY-3 (RX3) 2006 Zongshen ZS200GY-2 (Sierra 200) 2005 Honda XR650L 2004 Honda CRF250X 1998 Kawasaki KDX220 Mods made to my Zongshen ZS200GY-2: http://www.chinariders.net/showthread.php?t=6894 Last edited by SpudRider; 06-30-2013 at 02:03 AM.
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