Question about 2005 Yamaha YZF-R6

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Over heating fan turns on bike gets hot turns off

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  • mcoelho2 May 22, 2009

    there is antifreeze in the radiator fins clean water pump good runs till it gets hot then the fan comes on then turns off then the bike turns off

  • Murtaza Akberali  Versi
    Murtaza Akberali Versi May 11, 2010

    Can you please elaborate the overheating.

    Is there enough of water in the cooling system?

    Is the radiator fins clean ...tht air can pass easily?

    Is the water pump functioning well?

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  • Yamaha Master
  • 40,627 Answers

Hi, Mcoelho2 and the usual suspects are:
1. Engine oil level and SAE weight are too low or not circulating.
2. Insufficient or blocked air flow over the engine.
3. Heavy combustion chamber carbon deposits.
4. Ignition timing retarded due to faulty MAP, CKP, or CMP sensor.
5. Carburetor jetted too lean.
6. Leaking intake or exhaust valve.
7. Water coolant old or low change every two years.
8. Water pump failure.
9. Radiator clogged, cap loose or malfunctioning.
10. Radiator fans not coming on.
11. Clutch slipping, brakes dragging, heavy load, towing a trailer etc.
12. Idling too long without moving.
13. For constant hot weather temperatures, mountain, or desert riding conditions consider adding an oil cooler and or cylinder head cooler.
For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have nice a day.
http://www.r6-forum.com/forums/65-new-member-section/160259-02-r6-overheating-problems.html
http://www.r6messagenet.com/forums/r6-maintenance-technical/150256-02-r6-fan-problem-over-heating.html
Yamaha YZF R6T Supplementary Service Manual
OEM parts for Yamaha
http://mybikemanuals.com/yamaha/yamaha-yz-owners-manuals

Posted on Sep 28, 2016

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