Cooling system: Difference between revisions

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[[Image:Tempgauge.png]]
[[Image:Tempgauge.png]]


The "correct operating temperature" is any temperature between the second low mark and the bottom of the red zone, which are connected together by an arc line.  If the gauge shows colder than the second low mark after the engine has been warmed up, or into the red at any time, that indicates a problem with the cooling system.
The "correct operating temperature" is any temperature between the second low mark and the bottom of the red zone, which are connected together by an arc line.  If the gauge shows colder than the second low mark after the engine has been warmed up, or into the red at any time, that indicates a problem with the cooling system. Additionally, the bike's temperature will tend to run hotter during stop-and-go traffic and cooler out on the open road, due to the cooling effect of the wind.  


The fan engages at a predetermined point on the temperature gauge (they're not actually tied together in the sense of using the same temperature sensor, though).  Many bikes engage the fan just below the red zone, while others have been reported engaging the fan at the mid-way point on the temperature gauge.  The most important thing here is that it's entirely normal for your bike's temperature gauge to run all the way up to the bottom of the red zone before the fan comes on.
The fan engages at a predetermined point on the temperature gauge (they're not actually tied together in the sense of using the same temperature sensor, though).  Many bikes engage the fan just below the red zone, while others have been reported engaging the fan at the mid-way point on the temperature gauge.  The most important thing here is that it's entirely normal for your bike's temperature gauge to run all the way up to the bottom of the red zone before the fan comes on.