Watt-man.com started in 2005 with the development of the Thermo-Bob, a cooling system modification
to extend the life of the Kawasaki KLR650. We’ve grown into supporting the snowbike market as well, with an assortment of Thermo-Bobs and Engine Jackets to maintain engine temperatures and extend
The Thermo-Bob is a machined, hard-anodized aluminum external thermostat with a coolant bypass. It allows coolant to bypass the radiator when cold, speeding warm-up and allowing your engine to run at the temperature it was designed for.