User Manuals: Longjia LJ1P37QMB(3B3) Engine

User Manuals: Longjia LJ1P37QMB(3B3) Engine

Manuals and User Guides for Longjia LJ1P37QMB(3B3) Engine. We have 1 Longjia LJ1P37QMB(3B3) Engine manual available for free PDF download: Service Manual

Longjia LJ1P37QMB(3B3) Service Manual

Longjia LJ1P37QMB(3B3) Service Manual (76 pages)

4-STROKE 50cc

Brand: Longjia | Category: Engine | Size: 2 MB

Table of Contents

Table of Contents
2
Standard Torque Values for Reference
3
Specification/Tighten Torque Valve
3
- Torque Values
  4
- Precautions in Operation
  5
Maintenance Information
5
- Periodical Maintenance Schedule
  6
- Lubrication System
  7
- Engine Oil Capacity
  7
- Oil Change
  7
- Cleaning the Oil Strainer
  7
- Element
  8
- Gear Oil
  8
- Air Cleaner
  8
- Valve Clearance Adjustment
  9
- Valve Clearance Inspection and Adjustment
  9
- Carburetor Idle Speed Adjustment
  9
- Spark Plug
  10
- Cylinder Compression Pressure
  11
- Driving System
  11
- Driving Belt
  11
- Clutch Pad
  11
- Oil Flow Diagram
  13
Lubrication System
13
- General Information
  14
- Troubleshooting
  14
- Cleaning Engine Oil Strainer
  15
- Oil Replacement
  15
- Engine Oil
  15
- Oil Pump Removal
  16
- Oil Pump Inspection
  16
- Oil Pump Re-Assembly
  17
- Oil Pump Installation
  17
- Oil Level Inspection
  18
- Gear Oil Replacement
  18
- ESC Illustration
  19
Electronically Controlled Carburetor System
19
- Tool
  20
- Specification
  20
- Torque Value
  20
- Carburetor Removal
  21
- Vacuum Chamber
  21
- Removal of Engine
  22
- Mechanism Diagram
  22
- Operational Precautions
  23
- Cylinder Head/Valve
  24
- Component Structure
  24
- Cylinder Head Removal
  26
- Camshaft Removal
  28
- Camshaft Inspection
  29
- Cylinder Head Disassembly
  29
- Valve Rocker Arm/Shaft Inspection
  30
- Cylinder Head Inspection
  30
- Valve Spring Free Length
  30
- Cylinder Head Reassembly
  31
- Valve Stem
  31
- Valve Guide
  31
- Cylinder Head Installation
  32
- Cylinder/Piston
  34
- Cylinder & Piston
  35
- Cylinder Removal
  36
- Inspection
  37
- Piston Removal
  38
- Piston Ring Installation
  40
- Piston Installation
  41
- Cylinder Installation
  41
- V-Belt Driving System/Kick Starter System
  42
- Left Crankcase Cover
  44
- Kick Starter Arm
  44
- Installation of the Left Crankcase Cover
  45
- Sliding Pulley Removal
  48
- Driving Pulley Install
  50
- Clutch/Driven Pulley
  51
- Clutch Outer
  51
- Driven Pulley Bearing Inspection
  52
- Driven Pulley Spring
  52
- Driven Pulley
  52
- Clutch Lining
  52
- Clutch Block Replacement
  53
- Replacement of Driven Pulley Bearing
  54
- Install a New Inner Bearing
  54
- Installation of Clutch/Driven Pulley
  55
Final Driving System
56
- Disassembly of Final Driving System
  58
- Inspection of Final Driving System
  58
- Bearing Replacement
  59
- Re-Assembly of Final Driving Machanism
  61
- AC Generator
  62
- AC Generator Removal
  63
- Right Crankcase Cover Removal
  64
- Right Crankcase Cover Installation
  65
- Mounted Coil Set Installation
  65
- Flywheel Installation
  65
- Crankcase/Crankshaft
  67
- Disassembly of Crankcase
  69
- Crankshaft Inspection
  71
- Bearing Inspection
  71
- Assembly of Crankcase
  72
Starting Clutch
74
Start Clutch Removal
75

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