Yamaha F100B F100C Outboards Factory Service Manual, Page 89Get this manual
Carburetor NOTE: Make sure that there is complete clearance between the throttle cam roller and the cam surface5Adjust the length of the throttle link rod 5, and then tighten the nut securely6Move the throttle control lever to check that the throttle valve opens and closes smoothlyAlso, check that the throttle cam roller moves freely to the fully open position on the throttle cam 37Set the throttle to the fully closed position and check that the fully closed mark aligns with the center of the link lever bNOTE: Make sure that there is no interference between the throttle control lever and the throttle position sensor lead 7S60C4280