2000 Polaris Pro 785 Service Manual, Page 390Get this manual
ELECTRICAL RPM Limiter Circuits
RPM Limiter Function
An RPM limiting system (see models listed above) protects the engine by electronically limiting RPM in the event of engine overheatThis feature is designed to help prevent engine damage due to engine overheating Engine Overheat If the engine overheats, the thermal switch becomes conductive and provides ground path for the tan wire leading from the COl module and the Mult-Function DisplayOn the SLX Pro 785, the Multi-Function Display will displaya "HOT" warning message, the warning light will flashand the engine RPM will be limited to approximately 4200 RPMs (4500 on 1998)A circuit within the COl senses the ground path connection and activates the limiting functionSee diagram belowLow Fuel No low fuel limiters are present on this model