pst

PST Engine Jacket KTM 2019-2022 (PSTK11J) Although the Thermo-Bob shuts off the radiators in the extreme cold of snow bike riding, the snow that gets on the cylinder and engine cases still acts as a “third radiator”, sucking heat out of the engine.  Power...

PST Y14 Engine Jacket Yamaha 450 YZF/FX/WR Although the Thermo-Bob shuts off the radiators in the extreme cold of snow bike riding, the snow that gets on the cylinder and engine cases still acts as a “third radiator”, sucking heat out of the engine....