Have just replaced impeller, placed gear lever in neutral, inserted the LU. Then conected the gear selector rod. Bolted it all up. Problem is when I turn the propeller in forward gear, it just gives a clicking sound, and isnt turning the motor. When I turn the prop anti clockwise, it turns the motor. When I put it in reverse, the prop turns the motor, when turned clockwise or anticlockwise . Can anyone help?