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Parsun F20A FWS [16/106] Piston
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MAINTENANCE INFORMATION
Power unit
Item Description Item Description
Warp limit 0.1mm Intake
0.15~0.25mm
Camshaft inside
diameter
35.000~35.012mm
Valve
clearance
(cold)
Exhaust
0.20~0.30mm
Rocker shaft
outside diameter
12.941~12.951mm Intake
1.98~3.11mm
Cylinder Head
Rocker inside
diameter
13.000~13.018mm
Face width
Exhaust 1.98~3.11mm
Bore 59.00~59.015mm Intake
0.6~0.8mm
Wear limit 59.1mm
Seat width
Exhaust 0.6~0.8mm
Taper limit 0.08mm Intake
0.50~0.90mm
Cylinder
Out of round limit 0.05mm
Margin
thickness
Exhaust 0.50~0.90mm
Piston diameter 58.950~58.965mm Intake
27.9~28.1mm
Measuring point
height
5mm (from the
bottom of piston)
Head
diameter
Exhaust 21.9~22.1mm
Piston-to-cylinder
clearance
0.035~0.065mm Intake
5.475~5.490mm
Piston
Pin boss inside
diameter
14.004~14.015mm
Stem
outside
diameter
Exhaust 5.460~5.475mm
Piston pin outside
diameter
13.996~14.000mm Intake
Thickness
1.17~1.19mm
Guide
inside
diameter
Exhaust
5.500~5.512mm
Breadth 2.0~2.20mm
End gap 0.15~0.30mm
Stem to guide clearance 0.025~0.052mm
Top ring
Side
clearance
0.04~0.08mm
Valve
Stem roundness limit 0.01mm
Thickness
1.47~1.49mm Rocker shaft outside diameter 12.941~12.951mm
Breadth 2.50~2.70mm
Rocker inside diameter 13.000~13.018mm
End gap 0.30~0.50mm
Free length 34.40mm
2nd ring
Side
clearance
0.02~0.04mm
Free length limit 32.68mm
Thickness
2.31~2.51mm
Valve
spring
Tilt limit 1.5mm
Breadth 2.30~2.60mm
Small end inside
diameter.
14.015~14.029mm
End gap 0.20~0.70mm
Big end inside
diameter.
31.031~31.042 mm
Piston ring
Oil ring
Side
clearance
0~0.22mm
Connecting rod
Big end oil
clearance
0.021~0.045mm
10
Содержание
- F15 f9 bm f15 f9 w 1
- Parsun outboard engine service manual 1
- Notice 2
- Emergency start 7
- General information 7
- Identification 7
- Propeller selection 7
- Safety while working 8
- Disassembly and assembly 9
- One time use parts 10
- Pre delivery check 10
- Special tools and detection device 12
- 2 3 4 5 6 7 8 9 10 14
- L 1277 14
- Bracket 15
- Dimension 15
- Drive unit 15
- Fuel and oil 15
- Outboard engine specifications 15
- Performance 15
- Power unit 15
- Specifications 15
- Weight 15
- Item item description item description 16
- Maintenance information 16
- Piston 16
- Piston ring 16
- Power unit 16
- Camshaft 17
- Ignition system 17
- Item description item description 17
- Lower unit item description item description 17
- Charge system item description item description 18
- Part to be tightened part name thread size quantity torque 18
- Power unit 18
- Specified torque 18
- Tightening torque 18
- General torque 19
- Lower unit 19
- Nut a bolt b torque 19
- Upper unit 19
- Maintenance time table 20
- Periodic service 20
- Fuel system 21
- Power unit 21
- Control system 23
- Lower unit 25
- General inspection 26
- Notice 28
- Recoil starter 28
- Explosive drawing 29
- 12 13 14 15 16 17 18 19 20 30
- 29 28 27 26 25 24 23 22 21 31
- 9 8 7 6 5 4 3 2 1 32
- Electric start type 32
- Disassembling 33
- Starter rope replacement 33
- Disassembling and inspection 34
- Assembling 35
- Ignition system 35
- Installation 35
- Notice 35
- Explosive drawing 36
- Remarks descri pti on part no 37
- Spark plug ignition 41
- Wiring diagram 41
- Cdi inspection 42
- Flywheel maintenance 42
- Ignition coil inspection 42
- Spark plug cap 42
- Charge coil inspection 43
- Pulsed coil inspection 43
- Explosive drawing 44
- Fuel system 44
- Gasoline is inflammable and highly volatile liquid its leakage can cause fire and explosion don t start the engine before all joints of the fuel system are connected or installed when completing all maintenance steps force short time pressure to the fuel system to check for leakage 44
- Notice 44
- 20 21 22 45
- 13 12 11 47
- 4 3 2 1 47
- 121314 48
- 2 3 4 5 48
- Electric start type 49
- Fuel joint removal and inspection 50
- Fuel pump removal and inspection 50
- Throttle connecting rod adjustment 50
- Filter inspection 51
- Explosive drawing 52
- Notice 52
- Power unit 52
- To avoid accidental start of outboard engine during maintenance please take enough safety measures to disconnect the ignition system for instance remove the engine stop lanyard from engine stop switch assembly and remove spark plug cap from spark plug 52
- 4 3 2 1 53
- 17 18 19 57
- 7 8 34 57
- Compression pressure inspection 60
- Special tools 60
- Disassembling power unit 61
- Oil pressure inspection 61
- Oil pressure switch inspection 61
- Belt pulley and timing belt 62
- Disassembling and inspection cylinder cover 63
- Crankcase 67
- Full installation 70
- Explosive drawing 74
- Top cowling 74
- Upper unit 74
- Bottom cowling 76
- Explosive drawing 76
- F15 05000001 78
- F15 05000002 78
- F15 05000009 78
- F15 05000021 78
- F15 05000033 78
- Gb t5783 mx35 78
- Gb t7583 m6x20 78
- 5 4 3 2 1 81
- Explosive drawing 81
- Steering handle 81
- 2 3 4 5 6 7 8 9 85
- Bracket 85
- Explosive drawing 85
- Disassembling and inspection 1 remove limitative rod and bolt m6x145 2 remove nut and bolt of tilt stopper plate and remove the tilt stopper plate 89
- Explosive drawing 91
- Upper unit 91
- Explosive drawing 93
- Lower unit 93
- Water pump assembly 93
- Disassembling and inspection 1 remove water pump fixed plate 2 remove water pump housing 3 remove impeller and water pump inner shell 4 remove woodruff key and outer plate 5 check water pump housing and outer plate for crack crank or damage replace if necessary 6 check inner water pump inner shell and impeller for crack deform burn or damage replace if necessary 94
- Explosive drawing 95
- Lower unit 95
- T1 m1 m2 104
- Common troubles and solutions 105
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