brutuswedge
Parking Attendant
Posts: 2
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posted April 12, 2005 02:46 PM
Running Hot!!
O.K. here's my situation...i think my bike is running hot for some reason. the other day my fans decided not to kick on when the bike started to overheat. So I dropped the Radiator out of it, drained all the fluid and tested the fans with 12v and they worked. What would cause the fans not to work...could it be the temp sensor?? or could my water pump be bad?? any info would help. thanks
  
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matt sterbator
Pro
Hiding in the bushes
Posts: 1367
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posted April 12, 2005 03:10 PM
Not enough coolant in the radiator to trip the temp sensor maybe ?
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canadamaxxer
Pro
Posts: 1090
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posted April 12, 2005 03:16 PM
It definitely could be the fan switch. I don't t know about the B model bikes, but on the A's the sensor is in the rad on the LH side, It could be scale buildup on the sensor, or a poor connection, or a failed sensor. If you disconnect the sensor and jumper the 2 terminals on the bike side of the harness, the fans should run (even without the key on, right?). when the bike is hot (coolant temp of 199 to 217 degrees F), the sensor should have continuity (less than .5 ohm) and when below 196 degrees F, should be open circuit. The manual recommends to use a pot of hot-to-boiling water to test it.
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brutuswedge
Parking Attendant
Posts: 2
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posted April 12, 2005 03:24 PM
I have an 02 B model and it is on the left side of the RAD. So what your saying is remove the Sensor and boil a pot of hot water and put the sensor in it to see if it kicks on????
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matt sterbator
Pro
Hiding in the bushes
Posts: 1367
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posted April 12, 2005 03:36 PM
Yup, it works without the key on.
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canadamaxxer
Pro
Posts: 1090
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posted April 12, 2005 03:41 PM
 Edited By: canadamaxxer on 12 Apr 2005 16:41
quote:
I have an 02 B model and it is on the left side of the RAD. So what your saying is remove the Sensor and boil a pot of hot water and put the sensor in it to see if it kicks on????
In essence, yes. You remove the sensor from the rad and suspend the sensing section in hot water. A thermometer is used to provide calibration numbers for temperature and a Ohm meter is used to measure the resistance across the 2 wire terminals. When the temperature reaches the minimum spec, the resistance should drop below .5 ohm, and when the water cools below the other spec, the sensor should read open circuit.
My initial description was perhaps lacking in detail.....LOL!!
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TurboBlew
Moderator
BUSY DOING THE SCHIAVO
Posts: 4590
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posted April 12, 2005 06:31 PM
THe thermal switches have been known to go bad. I never had any problems with my B model... but Ive seen 2 A models that did. You can wire the switch manually or try to find one at a junk yard of the same dimension. You'll shit when you see how much Kawi wants for one....lol.
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entropy
Moderator
Posts: 8671
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posted April 12, 2005 11:19 PM
check the fuse... 
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This moderator uses moderation in moderation
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matt sterbator
Pro
Hiding in the bushes
Posts: 1367
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posted April 13, 2005 02:23 AM
Now why would ANYONE want to check something THAT easy, lol.
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MAXIMUS
Needs a job
Posts: 4156
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posted April 13, 2005 05:30 AM
Edited By: MAXIMUS on 13 Apr 2005 06:31
Just jump the wires it will be much easier and cleaner. If the fans kick on you know you have your problem solved, if they dont, start looking else where.
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