Yamaha RD350 1984-1986 Workshop Repair Service Manual

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Art.-Nr: 55150

Stichworte: 1984 1985 1986 Marine Motorcycle RD350 Sterndrive Yamaha

Produktvarianten

Beschreibung

This manual covers the RD350, a performance-oriented sportbike produced from 1984 to 1986. Known for its potent 2-stroke parallel-twin engine and the innovative Power Valve System (YPVS), this model offered an exceptional power-to-weight ratio and engaging riding experience. The RD350 is a significant entry in the celebrated RD series, recognized for its sporty handling and historical importance in the two-stroke motorcycle era. This workshop repair service manual provides comprehensive, professional-level technical information for all RD350 models from 1984-1986. It includes detailed procedures for service, maintenance, troubleshooting, diagnostics, repair, disassembly, and assembly across all major systems, including the engine, fuel, cooling, electrical, and chassis. With extensive illustrations, diagrams, and critical specifications, this manual is an essential resource for owners, mechanics, and technicians to ensure the optimal performance and longevity of their RD350.

🏷️ Basic Information

Identification

Make:

Yamaha

Model:

RD350

Year:

1984-1986

Engine Type:

2-stroke

Engine Configuration:

Parallel-twin

Generation

Generation:

RD350LC II (YPVS)

👋 Introduction

Market Position

Segment:

Performance Sportbike (2-stroke era)

Competitive Analysis

Competitors:

Honda CBR400F, Kawasaki Z400-F, Suzuki GSX-R400 (contemporary models)

Key Features

Unique Selling Points:

Yamaha's innovative YPVS (Yamaha Power Valve System) for improved torque and power delivery across the rev range.

Target Audience

Audience:

Owners, mechanics, and enthusiasts of the Yamaha RD350 (1984-1986) seeking comprehensive repair and maintenance information.

📋 Manual Details

Coverage Areas

Models Covered:

All Yamaha RD350 models from 1984-1986

Engines Covered:

All engine variants

Trims Covered:

All trim levels

Transmissions Covered:

All transmission types

Page Count

Estimated Page Count:

Hundreds of pages (as indicated in product description)

Manual Type

Type:

Workshop Repair Service Manual

Completeness:

Complete and intact, covering all aspects of service and repair, same as used by professional technicians.

Language

Language:

English

Format

Format:

PDF Download

📖 Manual Coverage

Systems Covered

Systems:

General Information, Fuel System, Cooling System, Engine Top End, Clutch, Engine Lubrication System, Crankshaft/Transmission, Wheels/Tires, Final Drive, Brakes, Suspension, Steering, Frame, Electrical System, Appendix

Electrical System Details:

Detailed wiring diagrams, component identification, troubleshooting for ignition system, charging system, lights, and switches.

Procedures Included

Procedures:

Service, Maintenance, Troubleshooting, Diagnostic, Repair, Disassembly, Assembly, Cleaning, Reinstalling, Wiring Diagrams, Electrical Service Procedures

Engine Rebuild:

Comprehensive procedures for engine disassembly, inspection, component replacement (pistons, rings, bearings, seals), and reassembly.

Technical Depth

Depth:

Professional-level technical information, diagnostic procedures, detailed repair instructions, critical specifications, illustrations, diagrams, and photos

📊 Manual Specifications

File Format

File Format:

Print Quality

Printability:

Full Printable

Binding Type

Binding:

N/A (Digital Download)

Paper Type

Paper Type:

N/A (Digital Download)

Viewing Requirements

Requirements:

Adobe PDF Reader & WinZip

Compatibility

Compatibility:

All Versions of Windows & Mac

Zoom Functionality

Zoom:

YES (Zoom IN/OUT)

⚙️ Engine Specifications

Primary Engine

Engine Displacement:

347cc (approximate, actual can vary slightly by market)

Engine Bore X Stroke:

54.0 mm x 75.0 mm (typical)

Compression Ratio:

6.2:1 (typical)

Engine Cooling:

Liquid-cooled

Engine Power Output:

Approx. 47-50 hp (market dependent)

Engine Torque:

Approx. 36-38 Nm (market dependent)

Performance

Top Speed:

Approx. 170-180 km/h (depending on rider, conditions, and gearing)

Acceleration 0-100Km/H:

Approx. 4.5-5.5 seconds

Fuel System

Carburetors:

Dual Mikuni VM26SS (or similar twin slide carbs)

Fuel Type:

Unleaded Gasoline (minimum 90 RON recommended, though 95+ is ideal for optimal performance and engine longevity)

Fuel Tank Capacity:

Approx. 17-19 liters (market dependent)

🔧 Transmission

Standard

Type:

6-speed constant mesh

Optional

Optional Gear Ratios:

N/A (Factory only)

Features

Clutch Type:

Wet, multi-plate, cable-actuated

Transmission Oil Type:

Yamalube 2-stroke oil or equivalent API-TC rated (mixed with fuel)

📐 Dimensions

Exterior

Length:

Approx. 2135 mm

Width:

Approx. 755 mm

Height:

Approx. 1160 mm

Weights

Dry Weight:

Approx. 150-155 kg

Wet Weight:

Approx. 165-170 kg (with fluids)

🛡️ Safety Features

Ratings

Safety Features:

Disc Brakes (Front and Rear), reliable lighting system

Active Features

Braking System:

Front: Hydraulic disc, Rear: Hydraulic disc

Passive Features

Chassis Design:

Steel diamond frame for rigidity and handling

💡 Technology Features

Infotainment

Infotainment System:

N/A (Basic motorcycle instrumentation)

Driver Assistance

Assistance Features:

N/A (Mechanical systems only)

Connectivity

Connectivity Options:

N/A (Mechanical motorcycle)

Engine Management

Ypvs System:

Yamaha Power Valve System (YPVS) controlled by an electronic servo motor to optimize exhaust port timing for improved powerband and low-end torque.

🔧 Maintenance

Service Intervals

Oil Change Interval:

As per manual: Regular checks and top-ups of 2-stroke oil reservoir. Engine oil change (transmission oil) typically every 3,000-5,000 km or annually.

Spark Plug Replacement:

As per manual: Typically every 5,000-8,000 km, dependent on usage and plug type.

Air Filter Cleaning:

As per manual: Inspect every 2,000-3,000 km, clean or replace as needed.

Fluid Specifications

Coolant Type:

Mixture of ethylene glycol-based antifreeze and distilled water (50:50 recommended)

Brake Fluid Type:

DOT 3 or DOT 4 (refer to manual for specific recommendation)

Transmission Oil Capacity:

Approx. 1.0-1.2 liters (refer to manual for exact capacity)

Known Issues

Common Problems:

YPVS servo motor failures, crank seal leaks, carburetor jetting sensitivity, exhaust carbon buildup, clutch wear.

Maintenance Tips

General Advice:

Regular cleaning of powervalves is crucial for optimal YPVS operation. Proper pre-mix ratio is vital. Keep carburetors clean and synchronized.

📚 Vehicle History

Brand Heritage

Yamaha Legacy:

Yamaha has a long-standing reputation for performance motorcycles, particularly in the two-stroke era.

Model Evolution

Rd Series:

The RD350 is part of Yamaha's celebrated RD series, known for their potent two-stroke engines and sporty handling. This generation introduced the YPVS system.

Production

Production Years:

1983-1995 (RD350 series, with variations)

Manufacturing Location:

Japan (primarily)

🏆 Awards & Recognition

Recognitions

Motorcycle Awards:

While specific awards for the 1984-1986 model might not be individually documented widely, the RD series as a whole is highly regarded in motorcycle history for its performance and innovation.