TGB BR8 - User Manual

1
TABLE OF CONTENTS
1. GENERAL INFORMATION
PAGE
1-1 SPECIFICATIONS
3
1-2 INSPECTION PRECAUTIONS
1-3 SAFETY PRECAUTIONS
1-4 SPECIAL TOOLS
1-5 TIGHTENING TORQUE
1-6 LUBRICATION POINTS
1-7 PARTS NAME
1-8 TROUBLE SHOOTING
1-8-1 Troubleshooting for Failure in Starting the Engine
1-8-2 Troubleshooting for Poor skip of Spark Plugs
1-8-3 Troubleshooting for No-Skip of Spark Plugs
1-8-4 Troubleshooting for Slow Run (Troubled Engine
1-8-5 Poor Acseleration and Horse Power
10
11
12
14
16
18
19
22
23
24
25
2.INSPECTION AND ADJUSTMENT
2-1 REGULAR MAINTENANCE SCHEDULE
2-2 INSPECTION AND CHANGE OF ENGINE OIL
2-3 FINAL GEAR OIL
2-4 BRAKE SYSTEM
2-5 TIRE AND TIRE PRESSURE
2-6 AIR CLEANER
2-7 BATTERY
2-8 SPARK PLUG
2-9 FUEL FILTER
2-10 CARBURETOR IDLE SPEED
2-11 THROTTLE VALVE
2-12 VALVE
2-13 HEADLIGHT AXLE
2-14 V BELT
2-15 CYLINDER PRESSUR
27
28
29
30
35
35
36
37
37
38
38
39
40
40
42
3. REMOVAL AND INSTALLATION OF ENGINE
3-1 STANDANTD PREPARATION DATA&SIMPLIFIED
TROUBLESHOOTING
3-2 RELEASE THE ENGINE
3-3 INSTALLATION OF THE ENGINE
3-4 CHECK THE ENGINE PARTS
43
45
45
45

Summary

1. General Information

1-1 Specifications

Detailed technical specifications for the motorcycle model.

1-2 Inspection Precautions

Guidelines for inspecting motorcycle components before maintenance.

1-3 Safety Precautions

Essential safety measures to follow during motorcycle operation and maintenance.

1-4 Special Tools

List and description of specialized tools required for maintenance.

1-5 Tightening Torque

Specifications for tightening torque of various bolts and chassis components.

1-6 Lubrication Points

Diagram and list of lubrication points on the motorcycle chassis.

1-7 Parts Name and Wiring Diagram

Identification of motorcycle parts and a schematic wiring diagram.

1-8 Trouble Shooting

Diagnostic flowcharts for common operational issues.

2. Inspection and Adjustment

2-1 Regular Maintenance Schedule

Scheduled maintenance intervals for optimal motorcycle performance and longevity.

2-2 Inspection and Change of Engine Oil

Procedure for checking and replacing engine oil, including oil filter.

2-3 Final Gear Oil

Steps for inspecting and changing the final gear oil.

2-4 Brake System

Inspection, maintenance, and adjustment procedures for the front and rear brake systems.

2-5 Tire and Tire Pressure

Inspection of tires and guidelines for checking and maintaining correct tire pressure.

2-6 Air Filter

Procedure for inspecting, cleaning, and replacing the air filter.

2-7 Battery

Guidance on inspecting and maintaining the motorcycle battery.

2-8 Spark Plug

Instructions for inspecting, cleaning, and replacing the spark plug.

2-9 Fuel Filter

Procedure for inspecting and replacing the fuel filter.

2-10 Carburetor Idle Speed

Steps for adjusting the carburetor idle speed for optimal engine running.

2-11 Throttle Valve

Procedure for adjusting the throttle lever and cable gap.

2-12 Valve

Inspection and adjustment of intake and exhaust valve clearance.

2-13 Headlight Axle

Procedure for adjusting the headlight beam angle.

2-14 V Belt

Inspection and replacement of the V-belt.

2-15 Cylinder Pressure

Method for measuring cylinder pressure and troubleshooting high/low pressure issues.

3. Removal and Installation of Engine

3-1 Starterd Preparation Data & Simplified Troubleshooting

Engine preparation data for crank, cylinder, piston, and troubleshooting common engine issues.

3-2 Release the Engine

Step-by-step procedure for safely removing the engine from the chassis.

3-3 Installation of the Engine

Steps for reinstalling the engine onto the chassis in reverse order of removal.

3-4-1 Air Cleaner

Procedure for inspecting and cleaning the air filter element.

3-4-2 Spark Plug

Instructions for inspecting, cleaning, and checking the spark plug gap.

3-4-3 Cylinder head and Timing

Inspection of cylinder head, camshaft, and timing alignment.

3-5 Fuel Reed Circuit

Detailed steps for disassembling and servicing the carburetor.

3-6 Lubrication

Procedures for checking and renewing engine oil levels and oil.

3-7 Driving Pully-Clutch-Driven Pulley

Maintenance and inspection of the drive pulley, clutch, and driven pulley assembly.

3-8 Starter Arm

Disassembly, inspection, and assembly of the starter arm mechanism.

4. Chassis

4-1 Removal of Cover

Diagram and sequence for removing chassis body covers.

4-2 Troubleshooting of Chassis

Troubleshooting guide for steering, suspension, wheels, and brakes.

4-3 Front Wheel

Procedure for inspecting and servicing the front wheel, including rim eccentricity.

4-4 Rear Wheel

Procedure for inspecting and servicing the rear wheel and brake lining.

4-5 Rear Shock Absorber

Procedure for inspecting and replacing the rear shock absorber.

5. Electrical System

5-1 Operating Cautions & Troubleshooting

General cautions and troubleshooting for the electrical system components.

5-2 Battery

Guidelines for battery inspection, charging, and maintenance.

5-3 Short Circuit Test

Method for testing electrical circuits for short circuits using a megger meter.

5-4 Rectifier

Inspection and resistance testing of the rectifier component.

5-5 Starter Relay

Procedures for checking the operation, ground circuit, and voltage of the starter relay.

5-6 Starter Motor

Disassembly, inspection, and testing of the starter motor and its components.

5-7 A.C. Generator

Procedure for testing the A.C. generator coils (charging and lighting).

5-8 Resistor

Procedure for measuring the resistance of the resistor component.

5-9 CDI Unit

Inspection and resistance testing of various coils within the CDI unit.

TGB BR8 Specifications