XR650R Radiator Fan

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XR650R Radiator Fan

Post  alec1414 on Fri Feb 22, 2013 1:47 am

Was wondering what you guys thought about adding a fan to the radiator, does it help, not work, what you guys think?.

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Re: XR650R Radiator Fan

Post  Focker on Fri Feb 22, 2013 2:38 am

I hate to be that guy who says "do a search" but this has been covered.

Link - Fan Instal

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Re: XR650R Radiator Fan

Post  babuja on Fri Mar 08, 2013 1:51 am








DWG draw:

https://www.dropbox.com/s/qwpxxdiv1b5m560/Suporte_Ventoinha_%20V1.1_dwg2004.dwg?n=9957401

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Re: XR650R Radiator Fan

Post  Mauser on Fri Mar 08, 2013 2:28 am

Very smart I can view the dwg file but sadly I don't have a CNC laser cutter in my garage....did you run a few more off as spares ?...if not why not Bump
Also we could do with links to the fan etc Smile.

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Re: XR650R Radiator Fan

Post  babuja on Fri Mar 08, 2013 2:33 am

Mauser wrote:Very smart I can view the dwg file but sadly I don't have a CNC laser cutter in my garage

Eehhe...I didn't do any spares but I still have the CNC laser cutter contact.

I've send the DWG draw by email and they've send the 4mm aluminium plate in a few day:

http://www.metaldistendido.com/

pmsjulio@gmail.com

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Re: XR650R Radiator Fan

Post  Chris_w_65 on Sat Oct 12, 2013 7:07 am

What fan is that?
Can I get the drawing? No longer on Dropbox.

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Re: XR650R Radiator Fan

Post  babuja on Sat Oct 12, 2013 8:12 am

Chris_w_65 wrote:What fan is that?
Can I get the drawing? No longer on Dropbox.
It's a 4" ktm fan...no longer on dropbox?? I can email you the dwg file and fan specs as soon as I'm at desktop

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Re: XR650R Radiator Fan

Post  stev0 on Wed Jul 09, 2014 6:38 am

I have a fan on mine.

Does it help? a little bit yes. Just keep moving Smile

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Re: XR650R Radiator Fan

Post  ooeddym on Tue Jul 15, 2014 4:22 am

Totally worth doing, I use mine quite often in the tight stuff.

If you don't want to get raped for KTM price look up Spal fan 4" on ebay, its the same fan.

 photo 20140331_172455.jpg

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Re: XR650R Radiator Fan

Post  MA$TER_E on Tue Jul 15, 2014 7:42 am

Those fan mounts look like crap. Boo. I'd ask for your money back.  BRP smile 

I cant wait to get mine hooked up.

 cheers 

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Re: XR650R Radiator Fan

Post  ooeddym on Tue Jul 15, 2014 8:07 am

Yeah they came from that shop that hires all the retards, you know the place  razz 

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Re: XR650R Radiator Fan

Post  beaver350 on Tue Jul 15, 2014 5:58 pm

ooeddym wrote:Yeah they came from that shop that hires all the retards, you know the place  razz 
House with no steps  listen up 

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Re: XR650R Radiator Fan

Post  sean-0 on Tue Jul 15, 2014 6:32 pm

another version on the spal

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Re: XR650R Radiator Fan

Post  Mauser on Tue Jul 15, 2014 8:26 pm

Anyone actually got any data to backup the fan theory ?, must be someone with a Trailtech who can say "yes the temp drops down by 0.00000000002 degree's when the fan cuts in ?"

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Re: XR650R Radiator Fan

Post  sean-0 on Tue Jul 15, 2014 8:36 pm

yes i have a temp sensor on my bike , but fan is only on a switch , when my bike hit 100deg i turn it on and can watch the temp drop to 85/90 in a few mins , i can sit my bike and idle it for 10 mins b4 she starts to get to hot 110deg

so yes they work , but if its a really hot day and im stuck in slow moving traffic she can still over heat , but doesn't happen often  Very Happy 

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Re: XR650R Radiator Fan

Post  BuRP on Tue Jul 15, 2014 10:34 pm

Mauser wrote:Anyone actually got any data to backup the fan theory ?

Wow Mauser, such a question for a clever boy like you.....  Sad 
Try reading "Thermodynamics for Noobs" and conclude - with me I hope? - that any extra wind through a radiator helps with cooling the medium inside.... hence a fan works indeed!
Sean gave you the answer as to how much. If that's not good enough though, an XRL will idle all day long without any protests  Bump 

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Re: XR650R Radiator Fan

Post  ooeddym on Wed Jul 16, 2014 12:12 am

I agree with Sean, I have a switch and trail tech on mine, when the temp get up to 100c I turn the fan on and it will pull it down to 86c. In tight stuff where you’re working the bike without the fan I would see 112c but with the fan it will hold it at 93 all day long. With the fan running I can let my bike idle for as long as you want with no heat problems.

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Re: XR650R Radiator Fan

Post  Mauser on Wed Jul 16, 2014 2:05 am

BuRP wrote:
Mauser wrote:Anyone actually got any data to backup the fan theory ?

Wow Mauser, such a question for a clever boy like you.....  Sad 
Try reading "Thermodynamics for Noobs" and conclude - with me I hope? - that any extra wind through a radiator helps with cooling the medium inside.... hence a fan works indeed!
Sean gave you the answer as to how much. If that's not good enough though, an XRL will idle all day long without any protests  Bump 

All I wanted was a figure from someone who could provide the data  BRP smile as long as it works it's worth bearing in mind if over heating is an issue, nothing worse than being lemmings and just fitting stuff without any proof they work  Bump Bump Bump 

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Re: XR650R Radiator Fan

Post  ooeddym on Wed Jul 16, 2014 2:33 am

A friend of a friend heard from his cousin twice removed that fans on xr's is the bomb  Very Happy 

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Re: XR650R Radiator Fan

Post  Xrsaylor01 on Wed Jul 16, 2014 5:50 am

I'm glad ooeddym finally said 100c, I was reading through this scratching my head wondering why my bike runs more than twice as hot. I forgot that not every country uses the same units of measure. Lol.  doh 

I'm running engine ice for my coolant of choice, and on the open roads I keep a temperature of 175-180F (79-82C). I can stop at a stoplight for about 2 minutes and reach 220F (104C) fairly quick. The summer time temperature usually averages around 80-100F (26-37C) here. I think I could greatly benefit from a fan install. Another thing now on my to do list.  Rolling Eyes 

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Re: XR650R Radiator Fan

Post  ooeddym on Wed Jul 16, 2014 6:24 am

I too am running engine ice and I have pulled my thermostat. I see the fan as almost a must unless you don't care about your motor getting smoking hot at times.

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Re: XR650R Radiator Fan

Post  MA$TER_E on Wed Jul 16, 2014 9:09 am

I have the fan I just need this guy I know to get off his A$$ and make the mounts... <-- That's me...

But I run Engine Ice and without a fan run exactly as said. 175°F running down the road and 220°F within a couple minutes of idle.  Slow technical riding and stop and go on the freeway I've seen over 240°F which is why I want the fan.  Stop and go traffic on the freeway was horrible and there was nowhere to go.  Just sit in line and cook your engine...

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