Suzuki RV125 1973 Factory Service Repair Manual

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🏷️ Basic Information Identification Make: Suzuki Model: RV125 Year: 1973 Chassis Code: RV125 Codes Vin Decoder Prefix: Not typically applicable for 1970s motorcycles in a standardized VIN format as understood...

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类型: Motorcycle

斯库: 370302

标签: 1973 Motorcycle Motorcycles RV Series RV125 Suzuki

产品多属性

Description

🏷️ Basic Information

Identification

Make:

Suzuki

Model:

RV125

Year:

Chassis Code:

RV125

Codes

Vin Decoder Prefix:

Not typically applicable for 1970s motorcycles in a standardized VIN format as understood today.

👋 Introduction

Market Position

Segment:

Lightweight dual-sport/off-road motorcycle.

Target Audience:

Enthusiasts seeking to maintain or restore a classic Suzuki RV125, mechanics, and DIY repairers.

Competitive Analysis

Competitors:

Honda MT125 Elsinore, Yamaha DT125, Kawasaki KE125.

Key Features

Vehicle Distinction:

Known for its simplicity, ruggedness, and off-road capability, appealing to a niche market of vintage enthusiasts.

Manual Value Proposition:

Provides essential, factory-accurate information critical for preserving the functionality and originality of the RV125.

📋 Manual Details

Coverage Areas

General Coverage:

Comprehensive repair and maintenance for the Suzuki RV125 1973 model.

Specific Systems:

Engine, Transmission, Fuel System, Electrical System, Chassis, Brakes, Suspension, Steering, Bodywork, Lubrication, Troubleshooting.

Page Count

Estimated Page Count:

200-300 Pages (typical for a factory service manual of this era, though exact count not provided in product info).

Manual Type

Type:

Factory Service Repair Manual

Language

Language:

English (assumed based on product description and common industry practice for export markets).

Format

Format:

Likely a printed manual; digital formats (PDF) are modern reproductions.

📖 Manual Coverage

Systems Covered

Engine Mechanical:

Complete engine disassembly, assembly, inspection, repair, and adjustment procedures for the 125cc 2-stroke engine.

Transmission Gearbox:

Detailed procedures for transmission removal, inspection, repair, and reassembly, including gear selection and clutch operation.

Fuel System:

Carburetor tuning, adjustment, cleaning, fuel line maintenance, and fuel tank service.

Ignition System:

Spark plug specifications, ignition timing procedures, coil and condenser testing, and stator/generator testing.

Electrical System:

Wiring diagrams, lighting system troubleshooting, charging system service, battery maintenance, and switchgear inspection.

Brakes:

Drum brake adjustment, lining inspection, linkage maintenance, and brake fluid (if applicable, though likely mechanical linkage) checks.

Suspension:

Front fork service (oil changes, seal replacement), rear shock absorber inspection and replacement, and spring adjustments.

Steering:

Handlebar bearing inspection and adjustment, steering stem maintenance, and control cable adjustments.

Wheels And Tires:

Tire pressure recommendations, spoke tension checks, rim inspection, and wheel bearing maintenance.

Bodywork And Frame:

Fender and fairing removal/installation, frame inspection for damage, and seat mounting procedures.

Lubrication:

Oil change intervals, transmission oil type and capacity, chain lubrication, and general lubrication points.

Procedures Included

Routine Maintenance:

Spark plug replacement, air filter cleaning/replacement, chain adjustment, tire pressure checks, lubrication.

Troubleshooting:

Diagnostic flowcharts and common problem/solution guides for engine performance, electrical issues, and starting problems.

Component Overhaul:

Detailed steps for rebuilding the engine, carburetor, transmission, and other major components.

Adjustment Procedures:

Carburetor idle speed, mixture, throttle cable; clutch and brake lever free play; ignition timing.

Installation And Removal:

Step-by-step guidance for removing and reinstalling all major components and sub-assemblies.

Electrical Diagnosis:

Testing of ignition coil, CDI unit (if applicable), lighting circuits, and charging system components.

Technical Depth

Depth Level:

Comprehensive: Covers everything from basic adjustments and routine maintenance to complete engine and transmission overhauls.

Diagnostic Capability:

High: Includes specific diagnostic procedures, troubleshooting charts, and expected values for critical components.

Rebuild Emphasis:

Strong: Detailed instructions for disassembly, cleaning, inspection, part replacement, and reassembly of major mechanical systems.

📊 Manual Specifications

File Format

Digital Format Quality:

N/A (if printed); If digital reproduction, typically high-resolution PDF, searchable text is a premium feature.

Print Quality

Print Quality:

N/A (if digital); If printed, original factory quality is typically clear, durable paper with crisp diagrams.

Binding Type

Binding:

N/A (if digital); If printed, typically saddle-stitched or perfect bound for durability.

Paper Type

Paper Type:

N/A (if digital); If printed, original factory manuals often used matte or semi-gloss paper suitable for extensive use.

⚙️ Engine Specifications

Primary Engine

Engine Type:

2-stroke, single-cylinder, forced air-cooled

Bore X Stroke:

56.0 mm x 49.8 mm (typical for this displacement class, specific Suzuki data needed).

Displacement:

123 cc

Compression Ratio:

Typically around 6.5:1 to 7.0:1 for this era 2-stroke.

Performance

Horsepower:

Approx. 10-12 HP (at ~6500-7000 RPM, typical for the class).

Torque:

Approx. 10-12 Nm (at ~5500-6000 RPM, typical for the class).

Fuel System

Carburetor Model:

Likely a Mikuni VM series (e.g., VM28SC or similar), specific to Suzuki.

Fuel Type:

Unleaded gasoline (approx. 87-90 octane) mixed with 2-stroke oil.

Fuel Mixture Ratio:

Typically 20:1 or 25:1 (pre-mix), manual will specify.

Lubrication

Crankcase Lubrication:

Total loss system via pre-mixed fuel and oil.

Cooling System

Cooling Method:

Forced air cooling via flywheel fan and cooling fins.

🔧 Transmission

Standard

Type:

Constant mesh, 5-speed manual.

Optional

Optional Transmissions:

N/A for this model.

Features

Clutch Type:

Wet multi-plate type, operated by cable and lever.

Gear Selection:

Foot pedal operated.

Final Drive:

Chain drive.

📐 Dimensions

Exterior

Overall Length:

Approx. 1900 mm (variable by source).

Overall Width:

Approx. 800 mm (handlebar width, variable).

Overall Height:

Approx. 1080 mm (variable).

Wheelbase:

Approx. 1280 mm (variable).

Ground Clearance:

Approx. 200-250 mm (typical for dual-sport).

Weights

Dry Weight:

Approx. 95-100 kg.

Curb Weight:

Approx. 105-110 kg (with fluids).

Payload Capacity:

Typically rated for 1 rider + moderate luggage, refer to manual for specific limits.

🛡️ Safety Features

Ratings

Crash Safety Ratings:

N/A (Motorcycles of this era were not subjected to standardized crash testing like modern vehicles).

Active Features

Braking System:

Front and rear drum brakes, mechanically actuated.

Lighting:

Headlight, taillight, brake light, turn signals (depending on market specification).

Passive Features

Frame Construction:

Steel cradle frame for durability and off-road resilience.

💡 Technology Features

Infotainment

Infotainment System:

N/A (Basic instrumentation: speedometer, neutral indicator, high-beam indicator).

🔧 Maintenance

Service Intervals

Oil Change Engine:

Pre-mix fuel and oil, no separate engine oil change for this 2-stroke.

Transmission Oil Change:

Every 3,000-5,000 km or annually. Manual will specify exact interval and procedure.

Spark Plug Service:

Check/clean every 1,000 km, replace every 3,000-5,000 km. Manual will specify plug type (e.g., NGK B8ES or similar).

Air Filter Cleaning:

Every 1,000-2,000 km, depending on operating conditions. Clean with appropriate solvent and re-oil.

Chain Lubrication Tension:

Lubricate every 500 km, check tension every 1,000 km. Adjust to ~20-30mm of slack.

Fluid Specifications

Transmission Oil Type:

API GL-4 SAE 80W or 10W-30 gear oil. Manual will confirm specific viscosity and capacity.

2 Stroke Oil Type:

High-quality 2-stroke motorcycle oil (JASO FB or FC rated, or equivalent). Manual specifies type and ratio.

Brake System Fluid:

Not applicable for cable-actuated drum brakes.

Known Issues

Common Wear Items:

Carburetor jets clogging, ignition points wear, clutch plate wear, fork seal leaks, exhaust port carbon buildup.

Engine Performance Degradation:

Loss of compression due to worn piston rings or cylinder, incorrect ignition timing, fuel/air mixture issues.

📚 Vehicle History

Brand Heritage

Suzuki Motorcycles 1970S:

Suzuki established a strong reputation for innovative and reliable motorcycles, particularly in the off-road and dual-sport segments, during the 1970s.

Model Evolution

Rv Series Context:

The RV series (including RV50, RV75, RV125, RV200) were Suzuki's offerings in the popular lightweight dual-sport category, designed for versatility.

Production

Production Period:

The Suzuki RV125 was produced throughout the 1970s, with the 1973 model representing an early iteration.

Manufacturing Location:

Japan.

🏆 Awards & Recognition

Recognitions

Motorcycle Awards:

While specific awards for the 1973 RV125 are not readily documented, the model series was generally well-regarded for its segment and contributed to Suzuki's success in dual-sport markets.