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5-50

POWR

E

CYLINDER BODY ASSEMBLY

INSTALLING THE CRANKSHAFT 
ASSEMBLY

5

Install:

• Cylinder body
• Crankshaft assembly

NOTE:

• Align the crankshaft labyrinth ring end

gaps with their respective locating pins.

• Install the bearing locating pins into the

cylinder body.

5570

INSTALLING THE PISTON AND 
CONNECTING ROD ASSEMBLIES

5

Install:

• Piston and connecting rod assembly

NOTE:

• Before installing the piston and connect-

ing rod assemblies, lubricate the cylinder
walls with 2-stroke outboard engine oil.

• Reinstall the piston and connecting rod

assemblies in their original cylinders.

• Install the piston and connecting rod

assemblies with the “S” mark in the star-
board side cylinders, and those with the
“P” mark in the port side cylinders.

• The “UP” mark on the piston crown must

face towards the flywheel.

Piston ring compressor

YU-33294 / 90890-06530

5580

5590

Summary of Contents for 150AET

Page 1: ...N Multiple models are mentioned in this manual and their model indications are noted as fol lows ILLUSTRATIONS The illustrations within this service manual represent all of the designated models CROSS REFERENCES The cross references have been kept to a minimum Cross references will direct you to the appropriate section or chapter Model name 150AET L150AET 150FETO L150FETO 150GETO USA and Canada na...

Page 2: ...ERS The starting serial number blocks are as fol lows Model name Approval model code Starting serial number Model name Approval model code Starting serial number World wide USA Canada World wide USA Canada 150AET C150TR 6G4 L 305521 175FETO P175TR 62H L 500647 X 704396 200AET 6G6 L 308781 L150AET 6K0 X 750347 X 707018 150FETO 6G4 L 352137 L200AET 6K1 X 752202 S150TR X 504118 200FETO 200TR 6G6 L 35...

Page 3: ...achometer P N YU 08036 A a 90890 06760 b 2 Pressure tester P N YB 35956 90890 06762 3 Mity vac P N YB 35956 90890 06756 4 Pinion height gauge P N YB 34432 7 YB 34432 11 YB 34432 97 90890 06702 5 Dial gauge set P N YU 03097 90890 01252 6 Magnetic base P N YU 34481 90890 06705 7 Digital caliper P N 90890 06704 8 Backlash indicator P N YB 06265 90890 06706 9 Magnetic base attaching plate P N YB 07003...

Page 4: ... US qt lmp qt 0 9 0 95 0 79 0 9 0 95 0 79 sub oil tank L US qt lmp qt 10 5 11 1 9 2 10 5 11 1 9 2 Gear oil type Hypoid gear oil SAE 90 Gear oil total quantity cm3 US oz lmp oz 980 33 1 34 5 870 29 4 30 6 980 33 1 34 5 BRACKET Trim angle at 12 boat transom Degree 4 16 Tilt up angle Degree 70 Steering angle Degree 35 35 DRIVE UNIT Gear shift positions F N R Gear ratio 1 86 26 14 Reduction gear type ...

Page 5: ...ect Exhaust leakage Inspect Cooling water passage Clean flush CONTROL SYSTEM Carburetor synchroni zation Inspect adjust 3 6 Engine idling speed Inspect adjust 3 7 Remote control shift cable Inspect adjust 3 11 Remote control throttle cable Inspect adjust 3 11 OIL INJECTION SYSTEM Oil tank water drain Clean Oil pump lever Inspect adjust 3 12 POWER TRIM AND TILT UNIT Power trim and tilt fluid Inspec...

Page 6: ...Part Q ty Remarks 8 Fuel filter 1 9 Bolt 1 10 Fuel filter bracket 1 11 Fuel filter cap 1 12 Fuel filter element 1 13 O ring 1 14 Fuel filter cup 1 For installation reverse the removal procedure 4020 FUEL JOINT AND FUEL FILTER ...

Page 7: ...F S175D S200F LS200F S150TR L150TR S175TR S200TR L200TR ı Oil injection and 225DET models Ç Pre mix except for 225DET models Order Job Part Q ty Remarks 1 Flywheel magnet assembly cover 1 2 Flywheel magnet assembly nut 1 3 Washer 1 4 Flywheel magnet assembly 1 5 Woodruff key 1 For installation reverse the removal procedure 5010 ...

Page 8: ...arks 9 Gasket 2 10 Thermo switch 2 11 Engine cooling water temperature sensor 1 12 Bolt 2 13 Ground lead 2 14 Bolt 28 15 Cylinder head 2 16 Gasket 2 For installation reverse the removal procedure 5250 Not reusable Not reusable CYLINDER HEADS ...

Page 9: ...Install Piston and connecting rod assembly NOTE Before installing the piston and connect ing rod assemblies lubricate the cylinder walls with 2 stroke outboard engine oil Reinstall the piston and connecting rod assemblies in their original cylinders Install the piston and connecting rod assemblies with the S mark in the star board side cylinders and those with the P mark in the port side cylinders...

Page 10: ...R SHAFT HOUSING 1 Install Needle bearing Å For USA and Canada ı Except for USA and Canada Needle bearing installation position a 24 75 25 25 mm 0 974 0 994 in Bearing oil seal attachment 1 YB 06196 90890 06610 Driver rod 2 YB 06071 90890 06604 Bearing oil seal depth plate 3 90890 06603 6231 Å 6086 ı 2 Install Oil seal Oil seal installation position a 4 75 5 25 mm 0 187 0 207 in Bearing oil seal at...

Page 11: ...6 54 E LOWR 6 Order Job Part Q ty Remarks 8 Spacer 1 9 Washer 2 10 Wave washer 1 11 Impeller 1 12 Woodruff key 1 For installation reverse the removal procedure 6330 WATER PUMP DUAL PROPELLER MODELS ...

Page 12: ...R PROPELLER SHAFT ASSEMBLY DUAL PROPELLER MODELS 6 DISASSEMBLING ASSEMBLING THE INNER PROPELLER SHAFT ASSEMBLY Order Job Part Q ty Remarks 1 Spring 1 2 Pin 1 3 Front dog clutch 1 4 Front gear assembly 1 5 Washer 1 with oil groove a 6 Spring 1 Continued on next page 6430 ...

Page 13: ...he specified value M0 NOTE F is the deviation of the lower case dimension from standard It is stamped on the trim tab mounting surface of the lower case in 0 01 mm units If the F mark is missing or unreadable assume an F value of 0 and check the backlash when the unit is assembled If the F mark is negative then sub tract the F value from the measure ment Example If F is 5 then M0 1 60 5 100 mm 1 6...

Page 14: ...ndicator onto the drive shaft on the 22 4 mm 0 88 in diameter portion of the drive shaft 4 Install the dial gauge onto the lower unit and have the dial gauge plunger contact the mark on the backlash indi cator 5 Set the lower unit upside down 6 Slowly turn the drive shaft clockwise and counterclockwise When the drive shaft stops in each direction measure the backlash Backlash indicator 1 YB 06265 ...

Page 15: ...k lashes are smaller than specification the pinion may be too low MEASURING THE FRONT GEAR BACKLASH 1 Measure Front gear backlash Out of specification Adjust Measuring steps 1 Set the shift rod into the neutral posi tion 2 Install the propeller shaft housing puller so it pushes against the inner propeller shaft Front gear backlash 0 19 0 59 mm 0 007 0 023 in Shift rod wrench YB 06052 90890 06052 P...

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