Yamaha 115-225 HP Outboards Service Manual, Page 251Get this manual
1 _THRTBG ?
_ GEAR SHIFTING IS IMPOSSIBLE OR HARD
0900050'
GEAR SHIFTING IS IMPOSSIBLE OR HARD
AWARNING
STOP THE ENGINEDo not start the engine during following inspectionsRemove the Battery terminals
Turn the propeller and check that the gears are inNeutraland "ForwardGear are not inNeutral" andForwardGears are faultyGear are in "Neutral" andForwardRemote control is faultyNO
Are there irregularities of the remote control box? .u,.YES Is the connection of cable and connector correct? Is the movement of remote control cable smoothly?