2001 Edition Yamaha F225A and LF225A Outboards Service Manual, Page 63Get this manual
Power unitControl system 4Push the throttle control lever against the stop bolt 7
Adjusting the throttle link and throttle cable operation (with stop bolt)
NOTE: Be sure to synchronize the throttle valves before adjusting the throttle link For synchronizing procedures, see Chapter 4, "Synchronizing the throttle valve 1Loosen the locknut 1, remove the clip 2, and then disconnect the throttle cable joint 3
NOTE: Use general bolt with the specified measurementsStop bolt 7: a: 10 mm (0.39 in) b: 6.0 mm (0.24 in) c: 1.0 mm (0.04 in) 5Push the magnet control lever in the direction of the arrow to eliminate any looseness, and then adjust the link rod so that it aligns with the magnet control lever joint 9