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need some help with cooling fans

Old 02-18-2011, 06:30 PM
Thread Starter
Join Date: Jul 2010
Location: hamburg nj 07419
Posts: 94
Default need some help with cooling fans

ok lets me start of with my spelling is bad .. i am very sorry. ok here it goes. ok the fans are suppose to come on at 225?? if i am correct . my temp got up to 228 no fans shut the bike down.. i work on cars for aliving and i get funny about my toys lol.. so i took a digital termomiter and pointed it at the fan switch it was only reading 190. is that normal for the temp gague to be that high and it only be at 190 on the rad. its only 55 in nj. so i am kinda thnking its making the readings funny . but all and all kinda worried about it. if any one can point me in the right diretion . i would love the help. i am going to make sure the fans and stuff work in the am .. i am just tired long day at work .. thanks for the help ..
Old 02-18-2011, 07:36 PM
Kuroshio's Avatar
Senior Member
Join Date: Jul 2009
Location: West Philly, PA!
Posts: 4,476

Temp isn't taken from the rad. The thermo sending unit in the case is what provides the temp for the gauge.

Check that the fan actually works as a starting point. I'd be concerned if my fan hadn't kicked in by then. But I have seen the temp on my bike hit 230 before (100 degree day last summer here in Philly). And I was out today and my fan eventually kicked in. Later than normal on city street riding due to the lower ambient temp
Old 02-18-2011, 11:06 PM
Thread Starter
Join Date: Jul 2010
Location: hamburg nj 07419
Posts: 94

i confirmed that they work i jumped the fan switch to ground and they cam on so that would rule out bad fan/bad wiring from that point to that point .. i will have to mess with it more after work .. more sugetions i am going to get a service book for it so i have alll the wiring and stuff. does any one now where i can get the wire digrames off line for free ??
Old 02-19-2011, 01:53 PM
rd91si's Avatar
Senior Member
Join Date: May 2008
Location: Clackamas Oregon
Posts: 239

My fan hardly ever comes on unless i'm stuck in traffic, but it comes on right at 228.
The bike wil shut itself off at 250. My friend 06 comes on at 225.
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