1971 Honda SL125 ( SL 125 ) Complete Service Manual

### **SEO List for the Honda Motorcycle Maintenance and Repair Book**

#### **Primary Keywords:**
1. Honda motorcycle maintenance  
2. Honda motorcycle repair manual  
3. Honda bike service guide  
4. Honda engine troubleshooting  
5. Honda motorcycle oil change guide  

#### **Secondary Keywords:**
6. Honda motorcycle carburetor adjustment  
7. Honda motorcycle clutch adjustment  
8. Honda motorcycle spark plug inspection  
9. Honda motorcycle brake adjustment  
10. Honda motorcycle chain maintenance  

#### **Long-Tail Keywords:**
11. How to adjust tappet clearance on a Honda motorcycle  
12. Best way to clean a Honda motorcycle air filter  
13. Honda motorcycle ignition timing adjustment guide  
14. Step-by-step Honda motorcycle engine removal  
15. Honda motorcycle front fork oil replacement tutorial  

#### **Technical Keywords:**
16. Honda motorcycle electrical system troubleshooting  
17. Honda motorcycle valve timing adjustment  
18. Honda motorcycle fuel system inspection  
19. Honda motorcycle transmission repair guide  
20. Honda motorcycle periodic maintenance schedule  

#### **Brand-Specific Keywords:**
21. Honda CB100 maintenance manual  
22. Honda CL100 repair guide  
23. Honda SL125 engine service guide  
24. Honda TL125 troubleshooting manual  
25. Honda CD125S service instructions  

#### **SEO Meta Tags Suggestions:**
- **Title:** Honda Motorcycle Maintenance & Repair Guide – DIY Service Manual  
- **Meta Description:** Learn how to maintain and repair your Honda motorcycle with this comprehensive guide. Covers engine tuning, oil changes, carburetor adjustments, and more.  
- **Alt Text Example:** "Honda motorcycle engine repair step-by-step guide"  

By optimizing with these SEO keywords and tags, the Honda motorcycle maintenance and repair book can reach a wider audience searching for relevant service and repair information.

This Honda Shop Manual provides detailed servicing instructions for CB100, CL100, SL100, CB125S, CD125S, and SL125 models. It covers maintenance, engine repair, chassis, electrical systems, troubleshooting, technical specifications, and wiring diagrams. Special tools and adjustment procedures are also included for efficient servicing.

Summary of the Document
General Information
•    Honda Shop Manual for CB100, CL100, SL100, CB125S, CD125S, SL125 models.
•    Divided into five sections: disassembly, adjustment, repair, and troubleshooting.
Maintenance Operations
•    Tappet clearance adjustment: Intake & exhaust at 0.05mm (0.002 in.).
•    Carburetor adjustment: Idle speed set at 1,200 rpm using pilot air screw.
•    Ignition timing adjustment: Align “F” mark with index on crankcase.
•    Clutch adjustment: Free play should be 1-2 cm (2/5 - 3/4 in.).
•    Spark plug inspection: Standard gap 0.6-0.7mm (0.025-0.028 in.).
•    Engine oil change: Use SAE 10W-30, capacity 1 liter (1.05 qt.).
Engine and Transmission
•    Cam chain adjustment: Loosen lock nut, adjust screw counterclockwise to reduce slack.
•    Gear shift mechanism: Includes shift drum, cam, forks, and stopper bar.
Chassis and Suspension
•    Front brake and wheel: Check brake lining, drum diameter, and wheel alignment.
•    Front fork oil replacement: Use SAE 10W-30, capacity 130-140cc.
Electrical System
•    Battery: 6V-6AH, A.C. generator 15 amp.
•    Ignition system: Includes breaker points, coil, condenser, and spark plug.
Troubleshooting
•    Engine overheating: Causes include low oil, clogged carburetor, improper ignition timing.
•    Poor braking performance: Check worn brake lining, improper brake arm engagement.
•    Insufficient horsepower: Possible issues with valve timing, clogged air filter, ignition timing.

- **Honda Shop Manual** for servicing CB100, CL100, SL100, CB125S, CD125S, and SL125 models.
- **Maintenance operations** include tappet adjustment, carburetor tuning, ignition timing, clutch adjustment, and oil changes.
- **Engine section** covers removal, installation, cylinder, piston, valve maintenance, and oil system.
- **Chassis section** details front and rear brakes, wheels, steering, and suspension maintenance.
- **Electrical system** includes generating, charging, ignition, and auxiliary electrical components.
- **Troubleshooting guide** provides solutions for common engine, brake, and electrical issues.
- **Technical specifications** cover dimensions, engine parameters, gear ratios, and electrical details.
- **Wiring diagrams** and torque values included for reference.

### **Full Chapters Index**

#### **I. PROCEDURE OF PERFORMING THE WORK**
1. General Work Guidelines  
2. Tools and Special Tools  

#### **II. MAINTENANCE OPERATIONS**
1. Tappet Adjustment  
2. Carburetor Adjustment  
3. Breaker Point and Ignition Timing Adjustment  
4. Clutch Adjustment  
5. Spark Plug Inspection  
6. Engine Oil Change  
7. Oil Filter Cleaning  
8. Cam Chain Adjustment  
9. Fuel System Inspection  
10. Air Cleaner Element Servicing  
11. Brake Adjustment  
12. Drive Chain Adjustment  
13. Battery Electrolyte Inspection  
14. Front Fork Oil Replacement  
15. Cylinder Compression Check  

#### **III. ENGINE**
1. Work Without Removing the Engine  
2. Engine Removal and Installation  
3. Cylinder, Cylinder Head, and Piston  
4. Valve Removal  
5. Oil Pump and Oil Filter  
6. Clutch  
7. Gear Shift Mechanism  
8. Cam Chain Tensioner and A.C. Generator  
9. Crankshaft  
10. Transmission and Primary Kick Starter  
11. Carburetor  

#### **IV. CHASSIS**
1. Front Brake and Front Wheel  
2. Rear Brake and Rear Wheel  
3. Steering Unit  
4. Front Suspension  
5. Rear Suspension  
6. Frame Body  

#### **V. ELECTRICAL**
1. Generating System  
2. Charging System  
3. Ignition System  
4. Battery  
5. Auxiliary Electrical Equipment  
6. Troubleshooting  

#### **SUPPLEMENTARY SECTIONS**
- Technical Data  
- Wiring Diagram  
- Maintenance Schedule  
- Table of Optional Parts  
- Torque Specifications

### **Top 10 Questions Answered in This Book**

1. **How do I adjust the tappet clearance on my Honda motorcycle?**  
   - The tappet adjustment process, including specifications and steps, is detailed in the maintenance section.

2. **How do I remove and reinstall the engine?**  
   - The book provides step-by-step instructions on engine removal and installation, including necessary precautions.

3. **What are the correct torque specifications for various bolts and components?**  
   - A comprehensive table of torque values for different parts of the motorcycle is included.

4. **How do I properly adjust the carburetor for optimal performance?**  
   - The book explains the process of adjusting the pilot air screw and throttle stop screw to achieve the best engine idle speed.

5. **How do I inspect and replace the front fork components?**  
   - Detailed instructions on disassembly, inspection, and reassembly of the front fork are provided.

6. **What is the correct procedure for adjusting the drive chain tension?**  
   - The book outlines how to measure and adjust the drive chain for proper tension.

7. **How do I troubleshoot ignition system problems?**  
   - The book includes a section on diagnosing and fixing issues with the ignition coil, contact breaker, and spark plug.

8. **How do I adjust the clutch cable for proper operation?**  
   - Instructions on adjusting the clutch cable play and ensuring smooth operation are provided.

9. **What is the correct procedure for checking and adjusting valve timing?**  
   - Steps for setting the cam sprocket and aligning the timing marks are detailed.

10. **How do I maintain and replace the oil filter and oil pump?**  
   - The book explains how to clean and replace the oil filter and check the oil pump for proper function.

❗️ You Are Not Buying A Physical Book.
❗️ These Are Files To Be Downloaded.

✅ Files Are In A OEM Or PDF Format.
✅ Use On PC/Mac/Tablet/Smartphone.
✅ Fully Keyword Searchable With A Free PDF Reader.
✅ Fully Indexed, Fully Printable.
✅ No Restrictions, No Watermarks.

📦 Your Link To Purchased Documents Will Be Provided Via an Email.
📨 Please Check Your Messages 15 Minutes After The Purchase.
⚠️ In Some Cases It May Take Up-To 24 Hours To Prepare An Order.

📖 Manuals Are Recommended As A Reference To Owners & Professionals.