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temperature question

  #1  
Old 01-29-2010, 06:52 PM
new06f4iowner's Avatar
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Default temperature question

While riding down the road my bike read from 165-222 for the engiine temperature. Is that normal? also i was just wondering what the average rpm range was while switching gears.
 
  #2  
Old 01-29-2010, 06:57 PM
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Its normal on my bike. I cruise and it stays bout 180 which i like but in traffic it soars to 225 before the fan kicks on. Does anyone know how to get the bike to run at 180 or 190? And as far as shifting I norm dont shift before 6K cause your within your power band and can get out of a situation. Shifting is all preference though.
 
  #3  
Old 01-29-2010, 07:32 PM
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Normal.

I shift before 5k on my bike simply because I dont like to listen to my cct.
 
  #4  
Old 01-29-2010, 07:46 PM
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ye i change around 4k or 5k...ye when i stopped in traffic it went way up..and fan came on...the went and it went back down
 
  #5  
Old 01-29-2010, 07:47 PM
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You can install a lower temp fan switch from a '83 Nissan Pulsar, which will get the temps down to where the fan kicks on at 210-212 and off around 195 in traffic. I did a how-to on it somewhere, but I don't think it was on this forum. I'll see if I can find it and add it here along with a link.

As for shifting, I ride to work and cruise around town shifting below 4000 and have no problems. I've heard some say that their stator went bad and the dealer told them that keeping the revs too low was causing it, but no problems here. I guess I make up for it on the back roads keeping at 9000 or higher.

EDIT: I added the low temp fan switch mod in the How-to section, which is just waiting for mod approval. Check there when they get the thread up.

EDIT: Link is up https://cbrforum.com/forum/how-mechanical-40/f4i-lower-temp-fan-switch-maybe-other-models-105389/
 

Last edited by backroad; 01-29-2010 at 09:02 PM.
  #6  
Old 01-29-2010, 08:54 PM
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mine runs in that range too. it just seems like the fans take forever to kick on, but i guess it was built that way so i assume it doesnt hurt it to be hot
 
  #7  
Old 01-29-2010, 09:07 PM
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Hurt it? Yes.....the engine will last longer if it's kept to a cooler temp, but the OEM's had to design it to run at the higher temp to meet EPA emissions regs. To put it simply, higher engine temps burn up more exhaust pollutants, but at a slight sacrifice in engine durability.
 
  #8  
Old 01-29-2010, 09:30 PM
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that makes sense, i take back what i said
 
  #9  
Old 01-30-2010, 02:01 AM
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Best way to cool it? Ride faster.
 
  #10  
Old 01-30-2010, 11:56 AM
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my cuzins bike was at around 170-210 when he was done riding
 

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