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Two stroke - M
ulti-Fuel
–
Submersible
Outboard M
otor
Service Manual
R50
ES
-002-1
1
RAIDER 50 SERVICE
MANUAL
January 2017
Rev. 3
Part No. SMR50ES-
002-
2
2
Table of Contents
Table of Contents
6
Identification (Engine Serial Number)
11
Work Safety
11
Fire Prevention
11
Ventilation
11
Protection
11
Genuine Parts
11
Assembling Components
12
Tools and Instruments
13
Test Propeller
13
Measuring Instruments
13
Special Tools
14
Pre-Delivery Inspection
17
Tiller Handle
17
Gear Shift
17
Gear Oil
17
Fuel and Fuel Line
18
Propeller Selection
19
Trim Tab
20
Cooling Water Check Port
20
Break-In Operation
22
Test Run
22
Checks after Test Run
22
Service Data
23
Outboard Dimensions
23
Clamp Dimensions
25
Cooling Water System Diagram
29
Specifications
34
Maintenance Data
37
Torque Specifications
39
Sealant and Lubricant
40
Fuel System
41
Maintenance
42
Special Tool
43
Inspection Schedule
43
Inspection Items
46
Inspection of Top Cowl
46
Fuel System
47
Inspection of Cooling Water Passage
48
Flushing with Water
48
Inspection of Compression Pressure
50
Inspection of Spark Plugs
52
Inspection of Thermostat
53
Adjustment of Throttle Cable
54
Ignition Timing Adjustment
55
Carburetor Synchronization
56
Pilot Screw Adjustment
58
Replacement of Gear Oil
59
Inspection of Gear Case (for Leakage)
60
Inspection of Propeller
60
Replacement of Anode
61
Greasing
62
Fuel System
64
Special Tools
65
Parts Layout
66
Fuel Line
66
Intake Silencer • Carburetor
67
Carburetor Inner Passages
69
Idling Passage
69
Off-Idle Passage
70
High Speed Passage
71
Choking Passage (#2 and #3 Carburetor)
72
Inspection Items
73
Removing Carburetors
73
Power Unit
73
Disassembling Carburetors
74
Cleaning and Inspection
75
Inspection of Fuel Pump and Needle Valve
76
Pump
76
Assembly of Fuel Pump
77
Inspection of Fuel Connector
77
Inspection of Fuel Filter
77
Assembling Carburetors
78
Installing Carburetors
79
Power Unit
80
Magneto
80
Special Tools
81
Parts Layout
82
Engine
82
Magneto
83
Electric Parts
84
Recoil Starter
85
Intake Manifold · Reed Valve
87
Throttle
88
Piston & Crank Shaft
91
Inspection Items
92
Removing Power Unit
92
Removing Flywheel
95
Removing Electric Parts
95
Removing Throttle Link
96
Removing Intake Silencer and Carburetors
98
Removing Intake Manifold and Reed Valves
99
Inspection of Reed Valve Ass'y
99
Removing Thermostat and Engine Anode
100
Removing Cylinder Head / Head Cover
102
Inspection of Cylinder Head
103
Removing Exhaust Cover
104
Removing Crank Case
105
Removing Pistons
106
Disassembly of Crank Shaft
107
Inspection of Engine Parts
109
Inspection of Pistons
110
Assembling Crank Shaft
113
Installing Needle Bearing and Pistons
114
Assembling Power Unit Parts
116
Assembling Crank Ass'y and Crank Case
117
Assembling Exhaust Cover Parts
118
Assembling Cylinder Head Parts
119
Assembling Coil Bracket Parts
120
Assembling Crank Case Head Parts
120
Installing Reed Valve, Intake Manifold and Intake Silencer
121
Attaching Recirculation Hoses
123
Installing Throttle Link
124
Installing Electric Parts
125
Installing Flywheel
125
Installing Power Unit
126
Disassembly of Recoil Starter
127
Inspection of Recoil Starter
128
Assembling of Recoil Starter
128
Lower Unit
130
Special Tools
131
Parts Layout
133
Gear Case (Drive Shaft, MX50)
133
Gear Case (Drive Shaft, MWX50)
137
Inspection Items
141
Draining Gear Oil
141
Removing Propeller
141
Removing Lower Unit
142
Inspection of Clutch Cam
143
Disassembly of Cam Rod
143
Assembly of Clutch Cam Parts
144
Removing Water Pump
145
Inspection of Water Pipe
146
Inspection of Water Pump
146
Disassembly of Water Pump Case (Lower)
147
Assembly of Water Pump Case (Lower)
147
Removing Propeller Shaft Housing Ass'y
148
Disassembly of Propeller Shaft Housing Ass'y
149
Inspection of Propeller Shaft Ass'y
154
Assembly of Propeller Shaft Ass'y
155
Removing Drive Shaft Ass'y
156
Disassembly of Drive Shaft Ass'y
157
Inspection of Drive Shaft
157
Inspection of Pinion (B) Gear
157
Assembly of Drive Shaft Parts
159
Removing Forward (A) Gear Ass'y
163
Inspection of Forward (A) Gear
165
Disassembly of Gear Case
169
Inspection of Gear Case
170
Assembly of Gear Case Parts
172
And Shim Selection
178
Shim Selection
189
Pinion (B) and Reverse (C) Gears and
189
Assembly of Lower Unit Parts
191
Assembly of Pump Case
192
Attaching Clutch Cam Ass'y
193
Measurement of Propeller Shaft Play and Selection of Washer Thickness
194
Installation of Lower Unit
195
Bracket
198
Parts Layout
199
Drive Shaft Housing
199
Bracket Manual Tilt
200
Manual Tilt
202
Tiller Handle
203
Bottom Cowl • Shift
204
Top Cowl
206
Inspection Items
207
Installation of Tiller Handle
208
Removing Bottom Cowl
210
Removing Drive Shaft Housing
211
Disassembly of Drive Shaft Housing
212
Inspection of Drive Shaft Housing
214
Assembly of Drive Shaft Housing Parts
215
Assembling Rubber Mounting
217
Assembling Extension Housing
218
Removing Steering Shaft Arm
219
Installing Steering Shaft
220
Disassembling Clamp Bracket
221
Assembling Clamp Bracket
222
Disassembling Tilt Mechanism
223
Assembling Tilt Mechanism
224
Electrical System
226
Special Tools
227
What's Peak Voltage
227
Resistance Test Reference
231
Inspection Date
231
Inspection Items
232
Inspection of Ignition and Spark
232
Inspection of Plug Cap Terminal
232
Inspection of Pulser Coil
233
Inspection of Ignition Coils
233
Inspection of Exciter Coil
234
Inspection of C.D.unit
234
Inspection of Stop Switch
235
Troubleshooting
236
Ignition System
241
Fuel System
242
Compression Pressure
243
Safety Jet
246
4
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Raider 50 Specifications
General
Horsepower
50 hp
Starting System
Electric
Fuel Tank Capacity
24 L
Throttle Control
Remote
Cooling System
Water-cooled
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