Yamaha F50 Service Manual
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62Y3A117-42 1 2 3 4 5 6 7 8 I 4. Install the upper and lower mounting bolts into the swivel bracket 9 simulta- neously. 5. Install the upper mounting nut 0 and lower mounting nut A , and then tighten them to the specified torques. 6. Install the cover B by installing the screw. Upper mounting nut 0 : 24 N·m (2.4 kgf·m, 17 ft·lb) Lower mounting nut A : 42 N·m (4.2 kgf·m, 30 ft·lb) Upper case
62Y3A117-44 1 2 3 4 5 6 7 8 I No. Part name Q’ty RemarksTightening torques Stage N·mkgf·mft·lb 1 Swivel bracket assembly 1 2 Screw 1 EHT/ET models M6 × 15 mm20.21.4 3 Trim sensor 1 EHT/ET models 4 Trim sensor coupler 1 EHT/ET models 5 Plastic tie 1 Not reusable 6 Self-locking nut 2 23 2.3 17 7Cap 2 8Bolt 1 M6 × 25 mm 9 Anode 1 10 Port clamp bracket 1 11 Washer 2 12 Bushing 2 13 Through tube 1 14 Bolt 2 M6 × 25 mm 15 Anode 1 16 Ground lead 1 17 Grease nipple 1 18 Screw 1 M6 × 8 mm 19 Starboard clamp bracket 1 Clamp brackets
BRKTBracket unit 7-4562Y3A11 Removing the clamp brackets 1. Remove the power trim and tilt or hydro tilt. For removing procedures, see “Removing the power trim and tilt/hydro tilt” in this chapter. 2. Loosen the self-locking nuts 1 , and then remove clamp brackets 2 and 3 . 3. Remove the trim sensor 4 . Installing the clamp brackets 1. Install the trim sensor 1 onto the port clamp brackets. NOTE: Adjust the trim sensor after installing the power trim and tilt. 2. Assemble the clamp brackets and the swivel bracket by installing the self-lock- ing nuts 2 , then tightening them to the specified torque. 3. Install the power trim and tilt or hydro tilt. For installing procedures, see “Installing the power trim and tilt” in this chapter. Self-locking nut 2 : 23 N·m (2.3 kgf·m, 17 ft·lb)
62Y3A117-46 1 2 3 4 5 6 7 8 I 4. Inject grease into both grease nipples until grease comes out from the bushings a . Adjusting the trim sensor 1. Fully tilt the outboard up, and then sup- port it with the tilt stop lever 1 . WARNING After tilting up the outboard, be sure to support it with the tilt stop lever. Otherwise, the outboard could suddenly lower if the power trim and tilt unit should lose fluid pressure. 2. Loosen the cam screws 2 . 3. Adjust the position of the trim sensor 3 , and then tighten the screws 2 finger tight.4. Fully tilt the outboard down. 5. Measure the trim sensor resistance. Repeat steps 1–5 if out of specification. 6. Fully tilt the outboard up, and then sup- port it with the tilt stop lever. WARNING After tilting up the outboard, be sure to support it with the tilt stop lever. Otherwise, the outboard could suddenly lower if the power trim and tilt unit should lose fluid pressure. 7. Tighten the cam screws 2 to the speci- fied torque. 8. Fully tilt the outboard down. Trim sensor setting resistance: Pink (P) – Black (B) 9–11 Ω at 20 °C (68 °F) Trim sensor cam screw 2 : 2 N·m (0.2 kgf·m, 1.4 ft·lb) Clamp brackets
BRKTBracket unit 7-4762Y3A11 Swivel bracket and steering arm7
62Y3A117-48 1 2 3 4 5 6 7 8 I No. Part name Q’ty RemarksTightening torques Stage N·mkgf·mft·lb 1 Steering arm 1 2 Washer 1 3 Bushing 1 4 O-ring 2 Not reusable 5 Bushing 2 6 Swivel bracket 1 7 Bushing 1 8 Port tilt stop lever 1 9 Circlip 1 10 Steering yoke 1 11 Bushing 1 12 Bushing 1 13 Tilt stop lever joint 1 14 Spring holder 1 15 Bolt 1 M6 × 10 mm 16 Spring 1 17 Bushing 1 18 Pin 2 19 Bushing 1 20 Starboard tilt stop lever 1 Swivel bracket and steering arm
BRKTBracket unit 7-4962Y3A11 Removing the steering arm 1. Remove the circlip 1 . 2. Remove the steering yoke 2 by striking it with a plastic hammer. 3. Remove the steering arm from the swivel bracket by pulling the arm off the bracket. Installing the steering arm 1. Install the washer 1 , bushing 2 , O-ring 3 , and bushing 4 onto the steering arm 5 . 2. Place the swivel bracket 6 in an upright position, and then install the steering arm onto the swivel bracket. 3. Install the bushing 7 , O-ring 8 , and bushing 9 onto the swivel bracket.4. Install the steering arm 5 into the steer- ing yoke 0 by aligning the center a of the yoke with the center b of the steer- ing arm. 5. Install the circlip A .
62Y3A117-50 1 2 3 4 5 6 7 8 I 6. Inject grease into the grease nipple until grease comes out from both the upper and lower bushings c . Swivel bracket and steering arm
BRKTBracket unit 7-5162Y3A11 Power trim and tilt unit7