Quote:
Originally Posted by Daschicken
For any of you KLR owners out there, the KLR has a cheaply designed cooling setup without a bypass. So the thermostat cycles open and closed constantly, causing the cold radiator coolant to get introduced to the bottom of the engine and sit there until the coolant at the top of the engine gets hot enough to open the thermostat where the cycle repeats again.
If you've done any reading about the fancy dual circuit cooling systems on some newer car engines that run a separate engine block circuit at a higher temperature than the head for fuel economy purposes, you should know where this is going. Cold coolant in the block is the opposite of what you want, and can lead to worse fuel economy and the cylinder not wearing evenly, thus oil consumption.
The "Thermobob" from wattman solves these problems, adding an external thermostat with a proper bypass, and a hotter thermostat than the stock bike.
https://watt-man.com/new-shop/thermo...0-model-years/
There is also a great breakdown article on testing the thermobob in the 'Thermo-Bob FAQ' tab up at the top. A very nice technical analysis of why the stock system sucks and how much a proper bypass circuit improves things. |
You know I've always heard this but the bikes already last too long.
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