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The YZ450F has no factory thermostat, causing wide fluctuations in coolant temperature.
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Due to these fluctuations, the EFI system overfuels, thinking the engine is always in "warm-up" mode.
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The Thermo-Bob 3 solves this by:
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Using a machined aluminum housing.
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Containing a 180°F (82°C) thermostat.
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Modifying the cooling system to mimic automotive systems.
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Ensuring coolant flows continuously through the engine.
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Restricting flow through the radiators until the engine reaches the set temperature.
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A threaded port is included on the Thermo-Bob 3, compatible with:
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KOSO temperature sending units.
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TRAIL TECH 1/8-28 BSPP temperature sensors.
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