1990-1998 Arctic Cat Snowmobiles Repair Manual, Page 265Get this manual
FUEL SYSTEM-FUEL-INJECTED MODELS zation, both throttle plates must begin to open at exactly the same time and continue to be open the same amount throughout their operating rangeThrottle synchronization should not change during normal operation, but you should check it when the throttle body assembly is removed or if the engine suffers from reduced performance and synchronization problems are suspectedRefer to Throttle Body Assembly RemovalInstallation in this chapter for synchronizing the opening and closing of the two throttle valvesCAUTION Maintaining throttle cable free play is critical to prevent throttle cable damage
6Tum the ignition switch ON and measure the voltage between pin No.3 and pin No17 (Figure 5) of the diagnostic harness7Rotate TPS, as required, until the voltage is exactly 0.538 VDC, then tighten the TPS mounting screws
Ifthe voltage measured between pins No3 and No17 keeps changing, the sensor may be faultyBefore installing new sensor, be sure the throttle cable is not sticking