2006-2008 Yamaha Snowmobiles Apex/Attak Factory Service Manual, Page 238Get this manual

2006-2008 Yamaha Snowmobiles Apex/Attak Factory Service Manual, Page 238

CARBURETORS THROTTLE POSITION SENSOR (T.P.S INSPECTION AND ADJUSTMENT NOTE: Before adjusting the throttle position sensor,
Check the throttle position sensor resistanceThrottle position sensor resistance "R1": at 20_C (68_F) (Blue Black) Out of
specificationReplace the throttle position sensorS Connect the pocket tester1k) to the throttle position sensor couplerTester
() leadYellow Tester (+) leadBlack While slowly pushing the throttle check the throttle position sensor resistanceThrottle