Name: PIAGGIO MSS Fly 50 4T
Brand: PIAGGIO
Rating: 4 (1 reviews)

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Stores code Description

020448Y Pin lock fitting tool

020449Y Piston position check support

020450Y Camshaft fitting/removal tool

020452Y Tube for removing and refitting the driven

pulley shaft

020456Y Ø 24 mm adaptor

020565Y Flywheel lock calliper spanner

Tooling MSS Fly 50 4T

TOOL - 24

Index of Topics5
Characteristics6
Safety Rules7
Maintenance Rules7
Vehicle Identification8
Dimensions and Mass8
Engine9
Transmission10
Capacities10
Electrical System10
Frame and Suspensions10
Wheels and Tyres11
Secondary Air11
Kehin12
Tightening Torques12
Front Brake12
Front Suspension12
Assembly Clearances12
Cylinder - Piston Assy13
Piston Rings14
Crankcase - Crankshaft - Connecting Rod15
Slot Packing System15
Products16
Tooling17
Maintenance26
Maintenance Chart27
Carburettor29
Checking the Spark Advance30
Spark Plug31
Hub Oil32
Check32
Replacement32
Engine Oil33
Air Filter33
Engine Oil Filter34
Checking the Ignition Timing35
Checking the Valve Clearance36
Headlight Adjustment36
CO Check37
SAS Filters Inspection and Cleaning38
Troubleshooting40
Poor Performance41
Rear Wheel Spins at Idle41
Starting Difficulties41
Starting Problems41
Excessive Oil Consumption/Exhaust Smoke42
Insufficient Lubrication Pressure42
Engine Tends to Cut-Off at Idle42
Engine Tends to Cut out at Full Throttle42
Excessive Exhaust Noise43
High Fuel Consumption43
SAS Malfunctions43
Clutch Grabbing or Performing Inadequately43
Insufficient Braking44
Brakes Overheating44
Battery44
Turn Signal Lights Malfunction44
Rear Wheel45
Controls45
Electrical System46
Conceptual Diagrams48
Ignition48
Headlights and Automatic Starter Section49
Battery Recharge and Starting50
Level Indicators and Enable Signals Section51
Turn Signal Lights52
Checks and Inspections52
Ignition Circuit53
Stator Check54
Voltage Regulator Check54
Recharge System Voltage Check55
Sealed Battery57
Dry-Charge Battery58
Engine from Vehicle60
Exhaust Assy. Removal61
Removal of the Engine from the Vehicle61
Engine62
Automatic Transmission63
Transmission Cover63
Kickstart63
Air Duct63
Removing the Driven Pulley Shaft Bearing64
Refitting the Driven Pulley Shaft Bearing64
Removing the Driven Pulley64
Inspecting the Clutch Drum65
Removing the Clutch65
Inspecting the Clutch66
Pin Retaining Collar66
Removing the Driven Half-Pulley Bearing67
Inspecting the Driven Fixed Half-Pulley67
Inspecting the Driven Sliding Half-Pulley68
Refitting the Driven Half-Pulley Bearing68
Inspecting the Clutch Spring69
Refitting the Clutch69
Refitting the Driven Pulley70
Drive-Belt70
Removing the Driving Pulley71
Refitting the Driving Pulley72
Refitting the Transmission Cover73
Removing the Hub Cover74
Removing the Wheel Axle Bearings74
Inspecting the Hub Shaft76
Inspecting the Hub Cover76
Refitting the Hub Bearings77
Refitting the Ub Cover77
Flywheel Cover78
Cooling Hood78
Cooling Fan79
Removing the Stator79
Refitting the Stator79
Removing the Starter Motor80
Removing the Flywheel Magneto80
Inspecting the Flywheel Components81
Starter Gear Rim81
Intermediate Gear81
Refitting the Flywheel Magneto82
Refitting the Starter Motor82
Removing the Rocker-Arms Cover83
Removing the Timing System Drive83
Removing the Cam Shaft84
Removing the Cylinder Head85
Removing the Valves86
Removing the Cylinder - Piston Assy86
Inspecting the Small End87
Inspecting the Wrist Pin87
Inspecting the Piston87
Inspecting the Cylinder88
Inspecting the Piston Rings89
Removing the Piston90
Choosing the Gasket90
Refitting the Piston Rings93
Refitting the Cylinder94
Inspecting the Cylinder Head94
Inspecting the Timing System Components95
Inspecting the Valve Sealings95
Inspecting the Valve Housings96
Inspecting the Valves97
Inspecting the Springs and Half-Cones98
Refitting the Valves98
Refitting the Head and Timing System Components100
Refitting the Timing Chain101
Refitting the Rocker-Arms Cover103
Refitting the Intake Manifold103
Crankcase - Crankshaft103
Splitting the Crankcase Halves104
Removing the Crankshaft Bearings105
Refitting the Crankshaft Bearings105
Inspecting the Crankshaft Alignment106
Refitting the Crankcase Halves107
Crankshaft Oil Seals108
Refitting108
Oil Pump109
Removing the Oil Sump112
Refitting the Oil Sump112
Fuel Supply112
Removing the Carburettor113
Refitting the Carburettor117
Level Check119
Inspecting the Automatic Choke Device120
Adjusting the Idle122
Suspensions125
Removing the Front Wheel126
Front Wheel Hub Overhaul126
Refitting the Front Wheel127
Handlebar128
Front Fork128
Overhaul128
Steering Column130
Removing the Rear Wheel131
Refitting the Rear Wheel131
Shock Absorbers131
Centre-Stand132
Braking System133
Front Brake Calliper134
Front Brake Disc136
Disc Inspection137
Front Brake Pads137
Fill138
Front Brake Pump139
Rear Drum Brake140
Chassis142
Removing the Ignition Key-Switch When on *Off*143
Removing the Ignition Key-Switch When on *Lock*143
Footrest143
Air Filter144
Rear Mudguard144
Helmet Bay145
Fuel Tank145
Pre-Delivery146
Aesthetic Inspection147
Tightening Torques Inspection147
Electrical System147
Levels Check148
Road Test148
Static Test149
Functional Inspection149
Time150
Engine151
Crankcase152
Crankshaft152
Cylinder Assy153
Cylinder Head Assy154
Rocker Arms Support Assy155
Cylinder Head Cover156
Driven Pulley157
Driving Pulley159
Transmission Cover160
Starter Motor161
Flywheel Magneto162
Carburettor162
Exhaust Pipe163
Air Cleaner164
Frame165
Legshield Spoiler166
Rear Cover167
Central Cover168
Mudguard169
Rear Shock-Absorber171
Steering Column Bearings172
Handlebar Covers173
Handlebar Components174
Swing-Arm175
Seat176
Turn Signal Lights177
Front Wheel178
Rear Wheel179
Electric Devices180
Electrical Devices181
Electronic Controls182
Transmissions183
Brake Callipers184
Steering Column185
Helmet Bay186
Rear Wheel Axle187
Secondary Air Box188

Brand	PIAGGIO
Model	MSS Fly 50 4T
Category	Scooter
Language	English

PIAGGIO MSS Fly 50 4T User Manual

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PIAGGIO MSS Fly 50 4T Specifications

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