2000 Polaris Pro 785 Service Manual, Page 391Get this manual
ELECTRICAL RPM Limiter Ignition Timing Retard Troubleshooting RPM Limiter System Troubleshooting RPM Limiter System Troubleshooting flowchart is shown below
1997 SLX Pro 785 (ILimits to 4200 RPM) 1998 SLX Pro (Limits to 4500 RPM)
Open electrical boxDisconnect temperature sensor Tan wire from terminal boardDoes system still limit with Tan sensor wire disconnected? No Yes Inspect all Tan wires in terminal board area for conbe grounded) Is there tact with ground (should short? Yes No Replace COl module and re-test
1Test temperature sensorSee page 7.15
2Inspect Tan wire on sensor for shorts to groundaReplacerepair sensor andor wiring
3Inspect cooling system for restrictionsleaks, or
another problem which would cause overheating Repair wiresterminal board
Exhaust Valve Electrical Control System Troubleshooting