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Manuals
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Honda Manuals
Scooter
NB50M
Manual
Honda NB50M Manual
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Table Of Contents
175
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175
Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Contents
General Information
General Safety
Service Rules
Model Identification
Vehicle Identification Number
Carburetor Identification Number
Engine Serial Number
Specifications
Torque Values
Cable & Harness Routing
Lubrication
Service Information
Troubleshooting
Overheating
Oil Pump Diagram
Oil Pump Removal
Oil Pump Inspection
Oil Pump Installation
Oil Pump Bleeding
Oil Inlet Line/Oil Pump
Oil Outlet Line
Lubrication Points
Maintenance
Spark Plug
Maintenance Schedule
Battery
Air Cleaner
Fuel Line/Fuel Strainer Cleaning
Oil Strainer
Final Reduction Oil
Oil Level Inspection
Oil Change
Recommended Spark Plugs
Compression Test
Ignition Timing
Carburetor Adjustment
Oil Pump Control Cable
Idle Speed Adjustment
Brakes
Brake Shoe Inspection
Suspension
Steering Head Bearings
Front
Rear
Wheels/Tires
Nuts, Bolts, Fasteners
Fuel System
Fuel System Service Information
Fuel System Troubleshooting
Engine Cranks but Won't Start
Lean Mixture
Throttle Valve Disassembly
Carburetor Removal
Auto Bystarter
Float/Float Valve/Jets Disassembly
Jets, Float Valve, Float Assembly
Float Level Inspection
Carburetor Installation
Throttle Valve Installation
Reed Valve
Reed Valve Removal
Reed Valve Inspection
Reed Valve Installation
Fuel Auto Valve Inspection/Maintenance
Engine Removal/Installation
Cylinder Head,Cylinder,Piston
Cylinder/Piston
Cylinder Head Inspection
Cylinder Head Decarbonizing
Piston Removal
Piston Ring/Expander Removal
Cylinder/Piston Inspection
Piston Ring Inspection
Connecting Rod Inspection
Piston/Cylinder Installation
Alternator
Alternator Service Information
Alternator Removal
Alternator Installation
Drive and Drive Pulleys/Kick Starter/Clutch
Engine Starts, but Scooter Won't Move
Engine Stalls or Scooter Starts Suddenly
Clutch Noise or Smell
Drive Pulley
Left Crankcase Cover Removal
Drive Belt Removal
Drive Belt Inspection
Movable Drive Face Removal/Disassembly
Movable Drive Face Inspection
Movable Drive Face Assembly
Movable Drive Face Installation
Kick Starter Removal
Clutch Removal
Driven Face Disassembly
Clutch/Driven Face Inspection
Driven Face Assembly
Driven Pulley Assembly
Clutch/Driven Pulley Installation
Final Reduction Service Information
Final Reduction Troubleshooting
Final Reduction Specifications
Final Reduction Tools
Final Reduction Disassembly
Final Reduction Inspection
Final Reduction Installation
Transmission Cover Assembly
Crankcase/Crankshaft
Crankcase/Crankshaft Service Information
Crankcase/Crankshaft Troubleshooting
Crankcase/Crankshaft Specifications
Crankcase/Crankshaft Tools
Crankcase Separation
Crankshaft Removal
Crankshaft Insepction
Steering/Front Wheel/Brake/Suspension
Steering/Front Wheel/Brake/Suspension Service Information
Steering/Front Wheel/Brake/Suspension Specifications
Steering/Front Wheel/Brake/Suspension Tools
Steering/Front Wheel/Brake/Suspension Troubleshooting
Hard Steering
Steers to One Side or Does Not Track Straight
Front Wheel Wobbling
Headlight Removal
Instruments
Headlight Disassembly
Headlight Assembly/Installation
Headlight Beam Adjustment
Handlebar Remoavl
Handlebar Installation
Front Wheel Removal
Front Wheel Disassembly
Front Wheel Tools
Axle Shaft
Wheel Bearing
Wheel Rim
Front Brake Drum
Front Brake
Brake Lining Inspection
Brake Panel Disassembly
Front Fork
Brake Panel Assembly
Pivot Arm Removal
Pivot Arm Bushing Inspection
Front Shock Removal
Front Shock Disassembly
Front Shock Inspection
Front Fork Spring Inspection
Front Shock Assembly
Steering Stem Removal
Ball Race Disassembly/Assembly
Steering Stem Installation
Rear Wheel/Brake/Suspension
Rear Wheel/Brake/Suspension Service Information
Rear Wheel/Brake/Suspension Specifications
Rear Wheel/Brake/Suspension Troubleshooting
Rear Wheel/Brake/Suspension Tools
Rear Wheel Removal
Rear Wheel Inspection
Wheel Rim Runout
Brake Drum
Rear Brake
Rear Brake Lining Thickness Inspection
Rear Brake Disassembly
Rear Brake Assembly
Rear Shock Absorber
Rear Shock Absorber Spring Free Length
Fuel Tank/Oil Tank
Fuel Tank/Oil Tank Service Information
Fuel Tank/Oil Tank Troubleshooting
Engine Fails to Start
Mixture too Lean
Fuel Tank Removal
Fuel Tank Disassembly
Fuel Tank Assembly
Oil Tank Removal
Electrical Equipment
No Power
Low Power
Intermittent Power
Charging System Failure
Battery Removal
Battery Specific Gravity Test
Battery Charging
Charging System
Charging Circuit
Performance Test
Technical Data
Stator Coil Inspection
Regulator/Rectifier
Ignition System
Resistor
Ignition Circuit
Ignition Coil
Alternator Inspection
Continuity Test
CDI Unit
Starter Motor
Starter Circuit
Starter Relay Removal
Starter Relay Inspection
Starter Motor Removal
Starter Motor Disassembly
Brush Inspection
Commutator Inspection
Starter Motor Assembly
Starter Motor Installation
Switches/Horn
Ignition Switch
Dimmer Switch
Turn Signal Switch
Front/Rear Stoplight Switch
Oil Level Sensor
Fuel Level Sensor
Fuel Level Sensor Removal/Installation
Unit Inspection
Fuel Gauge Inspection
Wiring Diagram
Technical Features
Auto-Bystarter
Engine Does Not Start or Is Hard to Start
Engine Lacks Power
Poor Performance at Low and Idle Speeds
Poor Performance at High Speed
Clutch and Drive/Driven Pulleys
Poor Handling
Loss of Control
Poor Front/Rear Suspension Performance
Oil Indicator
Poor Brake Performance
Fuel Gauge
Pointer Does Not Register Correctly
Pointer Fluctuates or Swings Violently
Starter Motor Does Not Turn
Starter Motor Turns Sluggishly or Fails to Crank Engnie
Engine Tools
Chassis Tools
Conveniency Tools
General Specifications
Standards and Service Limits
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Table of
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Table of Contents
Troubleshooting
Lubrication
13
Fuel System Service Information
31
Final Reduction Service information
85
Crankcase/Crankshaft Service Information
91
Steering/Front Wheel/Brake/Suspension Troubleshooting
98
Rear Wheel/Brake/Suspension Service information
121
Fuel Tank/Oil Tank service information
129
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