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Maximum operating temperature for a motorcycle?
Posted: Thu Jan 29, 2009 7:17 am
by Stereo
Anyone know what the max operating temp is for a Kwaka? Im sure they arent designed for this type of weather. I switched it on and it was already warmed up even though it had been sitting still all day.
On another question, my tank was super hot.... how much fuel can evaporate if the bike is parked in the sun on a hot day?
Re: Maximum operating temperature for a motorcycle?
Posted: Thu Jan 29, 2009 9:29 am
by Benno
I think the hottest I got on my 10 was that it stayed at around 95 degrees whilst moving at 100km/h along the Ring Rd. The air was that hot that it burnt places where I didn't have covered, i.e. neck etc.
The Yammy gets pretty hot in heavy traffic.. Hottest I have seen is 113 degrees before the thermo's kicked and and dropped it down to 98. As for fuel, a guy at work with a 98 R1 reckons he's had almost half a tank evaporate on him when he left it in the sun one day at work. Since then he only parks in the shade.
Re: Maximum operating temperature for a motorcycle?
Posted: Thu Jan 29, 2009 10:37 am
by Smitty
Stereo wrote:Anyone know what the max operating temp is for a Kwaka? Im sure they arent designed for this type of weather. I switched it on and it was already warmed up even though it had been sitting still all day.
On another question, my tank was super hot.... how much fuel can evaporate if the bike is parked in the sun on a hot day?
Elko
remember many bikes (eg trailies and dirt) are designed to operate ...in deserts
fuel should not be a problem...yup the tank gets hot but modern bikes (and cars) have a series
of breathers and tubes to allow for fuel volume and tank expansion.
the biggest problem you MIGHT face..is lack of air flow.
Sitting in traffic going nowhere can cause overheating even if the fan is going nuts pushing
air thru the radiator. The solution is to keep moving.
why?
even 43°air can help cool a 100°radiator...if enough air is going thru the radiator
hth
Smitty
Re: Maximum operating temperature for a motorcycle?
Posted: Thu Jan 29, 2009 11:02 am
by Six Addict
correct smitty, its the stop start that kills you... you can also try leaving more of a gap betweem you and the car infront... sitting right on their tail means your's also getting their hot exhaust gasses sucked straight into you radiator by the fan

Re: Maximum operating temperature for a motorcycle?
Posted: Thu Jan 29, 2009 11:30 am
by lifeofcrimeguy
Sitting in heat and traffic my bike will reach 110 if I let it. Reached 117 and the light came on a few months ago but I think I was down on coolant. Hasn't happened since I topped her up.
Re: Maximum operating temperature for a motorcycle?
Posted: Thu Jan 29, 2009 8:26 pm
by DaveGPz
44 degrees on the way home, and the GPz was struggling a bit, but never got over half way on the thermometer - fan on all the time up Burke Rd. Main problem seemed to be brain-melt from the car drivers.
Re: Maximum operating temperature for a motorcycle?
Posted: Thu Jan 29, 2009 9:50 pm
by Stereo
DaveGPz wrote:44 degrees on the way home, and the GPz was struggling a bit, but never got over half way on the thermometer - fan on all the time up Burke Rd. Main problem seemed to be brain-melt from the car drivers.
Had some dickhead swerving at traffic around him, when I got close I saw he was texting.... TEXTING!!!
Re: Maximum operating temperature for a motorcycle?
Posted: Fri Jan 30, 2009 9:12 am
by Wattie
had a similar one th eother day, car was all over the shop, red p plater.
got up next to him, he was on 2 phones, one up to his ear, elbow on the wheel trying to change gears while (i think) getting a phone number out of his other phone to tell the person on phone 1.
gotta give the man points for multi-tasking. or lack of brain, one of the two

Re: Maximum operating temperature for a motorcycle?
Posted: Fri Jan 30, 2009 11:38 pm
by IsleofNinja
1. On any internal combustion liquid cooled engine , 120 degrees celcius is the danger number - anything at or above means damage.
2. On a extremely hot day you stand more of a chance that the fuel in an over filled tank will expand to the point of running out the overflow / breather tube and onto the ground than losing a heap through evapouration.