Engine light on

  #1  
Old 05-02-2018, 01:24 PM
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Default Engine light on

Riding my bike in 80 degree weather, cruising at 55 mph.
the bike went from 174- 220.
Engine light flipped on started flashing at me.
wasnt in high rpms/ low gears. kicked into 4th gear kept rpms super low. The bike would stay at 178-190 if i slowed down engine light would flash and bike temp shot up to 220.

Pulled my plastics off, checked the fluids while it was hot / cold everything looked great.

Turned bike on fan kicked in around 190.
i cleaned the radiator , bugs out .
checked if leaking fluid, non
checked hoses , all tight.
checked if maybe any wires melted. Nothing..

what can i do ?
bike has less than 11k miles on it.
Non molested , garage kept.
baby rode .

2009 6rr
 
  #2  
Old 05-02-2018, 01:32 PM
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Pull the codes and see where the bike sees a fault.

Test/replace the thermostat and radiator cap.
 
  #3  
Old 05-02-2018, 01:49 PM
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Originally Posted by 74demon View Post
Pull the codes and see where the bike sees a fault.

Test/replace the thermostat and radiator cap.
is their a youtube cannel you recommend so that i can follow your directions but im a visual learner so youtube helps me.

ps where is/do i hook up a comp/code reader ?
 
  #4  
Old 05-02-2018, 06:15 PM
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Default Engine light on

Okay so a few hours later .
i let the bike completely cool.
started up at 180ish temp the water hose started to have pressure, figuring it was circulating.

fan did not kick in until 218 temp and started cooling the bike all the wat down to 209 before i killed it.

non leaks .
cooliant didnt leak oil is fine.

& a kicker the engine light never came on even at 220 it hasnt appeared...

whar do yall think a relay somewhere or ?
 
  #5  
Old 05-03-2018, 08:43 AM
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There shouldn't be much pressure in the hoses unless the thermostat isn't opening.
Here's a LINK to some interesting reading. Any temp over 185 seams high.
 
  #6  
Old 05-05-2018, 01:35 AM
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I was thinking thermostat too. They can fail gradually (ie stick open/shut sometimes but not always)

If it continues to overheat, I'd check it out by putting it in a pot of hot water and heating it up until it opens, then cooling it til it shuts. Eric the Car Guy has a decent video of this. Note that he uses a torch, but any old pot will do just fine. Maybe don't eat out of it afterwards though. They sell for pocket change at goodwill or most grocery stores


Edit - if the electric fan isn't kicking on at the right temp that would be a suspect also. Could be the thermo-switch. You can bypass the switch and the fan should run all the time. If not, suspect relay or fan motor itself, though if the fan comes on at all, you can probably rule out the relay or fan motor

https://www.howacarworks.com/accesso...-fix-a-car-fan
 

Last edited by tentacleslap; 05-05-2018 at 01:41 AM.
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