Tohatsu 4 Stroke MFS 2/2.5/3.5A Outboards Service Manual, Page 70Get this manual
5 Power Unit
1 Special Tools Parts Layout Engine Recoil Starter Oil Pan Cylinder Cam ShaftValve PistonCrank Shaft Inspection Items 1) Inspection of Compression Pressure 2) Inspection of Valve Clearance 3) Removing Power Unit 4) Removal and Disassembly of Crank Case Head 5) 6) 7) 8) 9) 10) 11) 12) 13) 14) 15) 16) 17) Inspection of Crank Case Head Assembly of Crank Case Head Installation of Crank Case Head Disassembly of Power Unit Removal of Rocker Arm Inspection of Rocker Arm and Pivot Inspection of Push Rod Plate Inspection of Push Rod Disassembly of Cylinder Block Inspection of Slinger (Splash Lubrication) Inspection of Lifter Inspection of Cam Shaft Inspection of Piston Outer Diameter 5-2 5-3 5-3 5-4 5-5 5-6 5-7 5-8 5-9 5-9 5-10 5-12 5-13 5-14 5-14 5-14 5-15 5-17 5-18 5-18 5-18 5-19 5-20 5-20 5-21 5-22 18) 19) 20) 21) 22) 23) 24) 25) 26) 27) 28) 29) 30) 31) 32) 33) 34) 35) 36) 37) 38) 39) 40) 41) 42) 43) Inspection of Cylinder Inner Diameter Inspection of Piston Clearance Inspection of Piston Ring Side Clearance Inspection of Piston Rings Inspection of Piston Pin Inspection Connecting Rod Small End Inner Diameter Inspection of Connecting Rod Big End Inner Diameter Inspection of Connecting Rod Big End Side Clearance Inspection of Crank Shaft Disassembly and Assembly of Crank Shaft Inspection of Crank Pin Oil Clearance Installation of Piston and Connecting Rod Removal of Valves and Springs Inspection of Valve Springs Inspection of Valve Inspection of Valve Guide Inspection of Valve Seat Correction of Valve Seat Installation of Valves Assembly of Cylinder and Crank Case Assembly to Power Unit Assembly of Rocker Arm Assembly of Power Unit Disassembly of Recoil Starter Inspection of Recoil Starter Assembly of Recoil Starter 5-22 5-22 5-23 5-23 5-24 5-24 5-24 5-25 5-25 5-26 5-27 5-28 5-29 5-29 5-30 5-30 5-31 5-32 5-35 5-36 5-39 5-40 5-41 5-42 5-42 5-43