Model Segment:
Lightweight sportbike, iconic 2-stroke performance
Key Competitors Era:
Kawasaki GPz305, Suzuki GSX400F, Honda CB400N (among others in the 350-400cc class)
Engine Type:
Liquid-cooled, 2-stroke, parallel-twin
Performance Signature:
Known for strong mid-range power and quick acceleration, often equipped with the Yamaha Power Valve System (YPVS)
Manual Value Proposition:
Provides comprehensive, professional-level repair and maintenance information essential for owners looking to maintain, restore, or troubleshoot their classic RD350.
Service Manual Type:
Full Service Repair Manual
Market Availability:
Global (specified models)
Estimated Page Count:
Approximately 300-500 pages (typical for comprehensive service manuals, exact count not provided in product info)
Primary Function:
Repair, Maintenance, Rebuild, Refurbish, Restoration
Delivery Method:
Instant Download
Printability:
Full Printable
Software Requirements:
Adobe PDF Reader, WinRAR (for extraction if compressed)
Operating System Compatibility:
All Versions of Windows & Mac
Engine:
Complete engine disassembly, assembly, tuning, lubrication, cooling system
Fuel System:
Carburetor adjustment, cleaning, rebuilding, fuel tank, fuel lines
Ignition System:
CDI, spark plugs, timing, electrical components
Transmission:
Gearbox disassembly, assembly, maintenance, lubrication
Clutch:
Operation, adjustment, maintenance
Suspension:
Front forks, rear shock absorbers, linkage maintenance and adjustment
Brakes:
Front and rear brake systems, hydraulics, caliper maintenance, bleeding
Electrical System:
Wiring diagrams, troubleshooting, lighting, charging system, battery
Frame And Bodywork:
Chassis inspection, fairings, seats, fuel tank removal/installation
Wheels And Tires:
Wheel bearing maintenance, tire replacement, balancing
Exhaust System:
Maintenance and troubleshooting of the 2-stroke expansion chambers and mufflers.
Maintenance:
Routine checks, lubrication, filter changes, adjustments
Troubleshooting:
Systematic diagnostic procedures for common and complex issues
Repair:
Detailed step-by-step instructions for component repair and replacement
Rebuild:
Comprehensive instructions for engine, transmission, and other major component rebuilds
Refurbishment Restoration:
Guidance on restoring the motorcycle to original specifications
Wiring Diagrams:
Detailed, integrated wiring diagrams for electrical system diagnosis
Assembly Disassembly:
Detailed procedures for the complete dismantling and reassembly of the motorcycle and its components.
Diagnostic Procedures:
Thorough diagnostic procedures for all major systems
Repair Depth:
Covers everything from basic adjustments to complete engine and transmission rebuilds, suitable for professional technicians and advanced DIY mechanics
Torque Specifications:
Includes critical torque values for engine, chassis, and component fasteners, essential for correct assembly and preventing damage.
Diagrams Illustrations:
Features detailed illustrations, drawings, and photos with numbered instructions and bold figure numbers for easy cross-referencing.
Engine Type:
2-stroke, parallel-twin, reed valve inducted
Displacement:
347 cc (approximately)
Bore X Stroke:
54.0 x 75.0 mm (typical for this generation RD350)
Compression Ratio:
Approx. 6.5:1 to 7.0:1 (varies by market and specific variant)
Cooling System:
Liquid-cooled
Power Valve System:
Yamaha Power Valve System (YPVS) - standard on most models in this range, significantly improves power delivery across rev range
Horsepower:
Approx. 47-50 HP @ 9,000 RPM (market dependent)
Torque:
Approx. 25-27 lb-ft @ 8,000 RPM (market dependent)
Carburetor Type:
Twin Mikuni VM30SS or similar 30mm constant velocity carburetors
Fuel Type:
Unleaded gasoline, minimum 91 octane (RON + MON)/2 or equivalent
Lubrication System:
Autolube (separate oil injection system)
Oil Change Interval:
Refer to manual for specific mileage/time intervals for engine oil and autolube oil. Typically around 3,000-5,000 km.
Spark Plug Replacement:
Refer to manual for recommended intervals, typically every 5,000-10,000 km, and specific plug types (e.g., NGK).
Chain Lubrication Adjustment:
Regular checks and lubrication are critical, often recommended every 500-1000 km or as needed based on riding conditions.
Engine Oil Type:
2-stroke motorcycle specific oil, pre-mix or autolube depending on engine setup. Manual will specify Yamaha recommendation or equivalent.
Coolant Type:
Ethylene glycol-based antifreeze coolant, typically a 50/50 mix with distilled water. Manual will specify capacity and type.
Brake Fluid Type:
DOT 3 or DOT 4 hydraulic brake fluid. Manual will specify exact type and replacement intervals.
2 Stroke Maintenance:
Requires diligent adherence to autolube system maintenance, potential for carbon buildup in exhaust ports and power valves if not properly maintained.
Ypvs System:
YPVS actuator and cables can require periodic cleaning and adjustment for optimal performance.
Carburetor Tuning:
Carburetors require precise adjustment, especially after modifications or significant mileage. Manual provides critical baseline settings.
Yamaha Motorcycles:
Yamaha has a long history of producing high-performance motorcycles, particularly known for their 2-stroke engines and innovative technologies like the YPVS.
Rd Series:
The RD350 is part of Yamaha's legendary RD series, building upon the success of earlier models like the RD250 and RD400, known for their sporty performance and 2-stroke character.
Rd350 Production Period:
The RD350LC and its successors, including the YPVS-equipped models of the mid-80s, were produced for a significant period, evolving from the original air-cooled RD350.
