Segment:
Dual-sport, Lightweight Off-road
Target Audience:
Recreational riders, trail enthusiasts, off-road beginners.
Key Competitors:
Honda XR series, Kawasaki KLR250, Suzuki DR200.
Unique Selling Points:
Exceptional off-road traction with its unique extra-wide rear tire, lightweight and nimble handling, reliable air-cooled engine.
Design Philosophy:
Simplicity, durability, and off-road capability for accessible trail riding.
Engine:
Complete engine overhaul, including disassembly, inspection, reassembly, tuning, and performance adjustments.
Fuel System:
Carburetor service, fuel pump, fuel tank, and fuel lines.
Ignition System:
CDI unit, spark plug, ignition coil, and timing.
Transmission:
Clutch operation, gear shifting mechanism, and internal transmission components.
Suspension:
Front telescopic forks, rear swingarm, shock absorber, and linkage maintenance.
Brakes:
Drum brake system inspection, adjustment, and component replacement.
Electrical System:
Wiring diagrams, lighting, battery, charging system, and starter motor.
Chassis And Frame:
Frame inspection, steering system, and wheel bearings.
Bodywork And Trim:
Fender, seat, fuel tank, and decorative panel removal and installation.
Wheels And Tires:
Tire pressure checks, spoke tension adjustment, and wheel removal/installation.
Preventative Maintenance:
Detailed schedules for oil changes, filter replacements, chain lubrication, and general inspections.
Troubleshooting Guides:
Diagnostic procedures for common starting, running, and electrical issues.
Routine Maintenance:
Step-by-step instructions for tasks like air filter cleaning, spark plug replacement, and brake adjustment.
Major Repairs:
Comprehensive guidance on engine rebuilds, transmission repairs, and suspension overhauls.
Carburetor Tuning:
Detailed steps for cleaning, adjusting idle speed, and jetting for optimal performance.
Electrical Diagnostics:
Fault finding for lighting, ignition, and charging system issues using wiring diagrams.
Special Tool Requirements:
Identification and usage of specialized tools for specific repair procedures.
Depth:
Intermediate to Advanced. Covers basic user maintenance up to complete engine and chassis overhauls.
Detail Level:
Includes torque specifications, measurement tolerances, and detailed diagrams for component reassembly.
Engine Type:
Four-stroke, SOHC, air-cooled
Bore X Stroke:
66.0 mm x 57.0 mm (typical for this era)
Compression Ratio:
9.5:1 (typical for this era)
Valvetrain:
SOHC, 2 valves
Horsepower:
Approx. 14-16 hp @ 7,500 rpm (estimate based on similar models)
Torque:
Approx. 11-13 lb-ft @ 6,000 rpm (estimate based on similar models)
Carburetor Type:
Mikuni VM Series (e.g., VM26)
Fuel Capacity:
Approx. 2.0 gallons (7.5 liters)
Fuel Type:
Unleaded gasoline
Engine Oil Change:
Every 3,000 km or 6 months.
Oil Filter Replacement:
Every 6,000 km or 12 months.
Air Filter Cleaning:
Every 1,000 km or as needed based on dusty conditions.
Spark Plug Check/Replacement:
Every 3,000 km for check, 6,000 km for replacement.
Chain Lubrication And Adjustment:
Every 500 km or after washing/rain.
Valve Clearance Check:
Every 6,000 km.
Engine Oil Type:
Yamalube 4 (or equivalent SAE 10W-30 API SE or SF)
Engine Oil Capacity:
Approx. 1.6 liters (1.7 US qt) without filter change, 1.8 liters (1.9 US qt) with filter change.
Brake Fluid Type:
DOT 3 (for hydraulic systems if present, but TW200 uses drum brakes which typically do not require hydraulic fluid).
Fork Oil Type:
Yamaha Suspension Oil (or equivalent SAE 10W)
Common Wear Items:
Carburetor jets clogging due to infrequent use or poor fuel quality, chain and sprockets wear, brake shoe wear.
Electrical Quirks:
Potential for corroded electrical connectors in off-road environments.
Rear Tire Wear:
The wide rear tire, while beneficial for traction, can wear faster than conventional tires, especially on pavement.
Manufacturer Origin:
Yamaha Motor Corporation, Japan
Yamaha Motorcycle Focus:
Known for innovation, performance, and durability in motorcycles and powersports.
Tw200 Introduction:
Introduced in 1987, the TW200 was designed to be a unique, go-anywhere dual-sport motorcycle.
Key Design Element:
The distinctive extra-wide rear tire (200/90-18) provides exceptional flotation and traction on soft terrain like sand and mud.
Mid Life Updates:
While the core design remained consistent, minor updates in graphics and potentially component refinements occurred across model years.
Production Span:
Ongoing since 1987 with various iterations.
Manufacturing Location:
Primarily manufactured in Japan.