2007-2009 Yamaha F15/F20 Outboard Service Manual, Page 67Get this manual
CHK ADJ Bracket unit
Periodic check and adjustment
Checking the steering operation (tiller handle model)
Checking the tilt operation (power tilt model)
NOTE: Lubricate the swivel bracket before checking the steering operation1Move the steering lock lever to position and check that the steering is lockedMove the steering lock lever to position and check that the steering operates smoothly
1Fully tilt the outboard motor up and down few times and check the entire tilt range for smooth operationCheck the power tilt fluid level if necessaryNOTE: To check the power tilt fluid level, see "Checking the power tilt fluid level" (3-13) Be sure to listen to the winding sound of the power tilt motor for smooth operation2Fully tilt the outboard motor up, and then support it with the tilt stop lever to check the lock mechanism of the lever