thermostat

For Christmas this year I bought myself a shiny new thermostat (part # 5SL-12410-00-00) for about $20 on Ron Ayers. I was convinced mine was stuck open, since I've been riding in the cold lately and it takes forever to get her warmed up, and fuel mileage has definitely taken a hit. In fact...

I recently bought a used bike - 2004 Yamaha FZ6s; 11,000 miles, starts every time and mechanically sound except it tends to overheat and after changing out old, nasty, brown coolant I poured in new green stuff. I notice the old coolant, as well as the new coolant is not circulating within the...