Description:
The Yamaha TW200 Trailway is a distinctive dual-sport motorcycle known for its exceptional off-road capability and unique wide tires, designed for versatile use in trail riding, light commuting, and exploring varied terrain. It carved a niche for itself with its user-friendly nature and rugged build.
Competitors:
Competed with other small-displacement dual-sport motorcycles and off-road capable bikes, though its unique tire configuration set it apart from direct competitors like the Honda CRF250L or Kawasaki KLR250 in terms of specific handling characteristics and intended use cases.
Unique Selling Points:
Extra-wide front and rear tires (especially the 180/80-14 rear), low seat height, torquey engine, simplicity of design, robust suspension for its class.
Covered Model Years:
1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999
Estimated Page Count:
Approximately 300-400 pages (typical for comprehensive service manuals)
Manual Type:
Service Manual / Repair Manual
Engine:
Complete engine overhaul, top-end and bottom-end components, piston, rings, cylinder, valves, camshaft, timing, lubrication system, cooling system (air-cooled).
Fuel System:
Carburetor (Mikuni VM26), fuel tank, fuel lines, fuel filter, fuel pump (if applicable).
Transmission:
Clutch operation, gear shifting mechanism, internal transmission components, lubrication.
Electrical System:
Ignition system (CDI), lighting (headlight, taillight, turn signals), battery, charging system (stator, regulator/rectifier), starter system, wiring diagrams, fuses.
Suspension:
Front telescopic forks (including oil change and seal replacement), rear mono-shock absorber, swingarm, linkages.
Brakes:
Front drum brake, rear drum brake, brake system maintenance, adjustments, fluid replacement (if applicable).
Chassis Frame:
Frame inspection, fork assembly, steering system, wheel bearings, hub maintenance.
Bodywork:
Fenders, fuel tank, seat, side covers, instrument panel, lighting components.
Maintenance:
Routine maintenance, oil changes, filter replacements, chain adjustment, spark plug replacement, valve clearance adjustment, brake adjustments.
Troubleshooting:
Diagnostic charts for common problems, identification of potential issues, step-by-step solutions for performance and electrical issues.
Repair:
Detailed disassembly and reassembly procedures for all major and minor components, engine rebuilding, carburetor tuning, electrical component replacement.
Specifications:
Torque specifications, clearance measurements, fluid capacities, electrical values, wear limits.
Technical Depth:
Comprehensive from basic owner maintenance to complete engine and transmission overhaul, including electrical system diagnostics and repair.
Engine Type:
4-stroke, SOHC, 2-valve, Air-cooled
Bore X Stroke:
67.0 mm x 55.7 mm
Carburetor Model:
Mikuni VM26
Horsepower Estimate:
Approximately 16-18 HP (at the crankshaft)
Torque Estimate:
Approximately 11-13 lb-ft (at the crankshaft)
Fuel Tank Capacity:
11.0 L (2.9 US gal)
Fuel Type:
Unleaded gasoline (87 octane or higher recommended)
Engine Oil Type:
Yamalube 4 (or equivalent SAE 10W-30 API SE, SF, SG or SH, SJ, SL service classification)
Engine Oil Capacity:
1.40 L (1.5 US qt) without filter change / 1.50 L (1.6 US qt) with filter change
Safety Ratings:
N/A (Motorcycles are not typically rated by agencies like NHTSA in the same way as cars)
Braking System:
Drum brakes front and rear
Lighting:
Halogen headlight, taillight, brake light, turn signals
Frame Construction:
Steel diamond frame
Ergonomics:
Low seat height and upright riding position contribute to rider control and comfort.
Engine Oil Change:
Every 3,000 km (2,000 miles) or 6 months
Oil Filter Change:
Every 3,000 km (2,000 miles) or 6 months (along with oil change)
Air Filter Cleaning:
Every 1,000 km (600 miles) or 3 months
Spark Plug Replacement:
Every 6,000 km (4,000 miles)
Valve Clearance Check:
Every 6,000 km (4,000 miles)
Chain Lubrication Adjustment:
Every 500 km (300 miles) or after riding in wet conditions
Brake Fluid:
DOT 3 or DOT 4 (refer to specific markings on reservoir, typically not applicable for drum brakes on this model unless hydraulic actuation was introduced later)
Fork Oil:
Yamaha Fork Oil G-10 (or SAE 10W)
Fork Oil Capacity:
207 ml (6.9 US fl oz) per fork leg
Common Wear Items:
Carburetor jets (clogging due to ethanol in fuel), front fork seals (leaks), wheel bearings, tires (due to unique compound and usage).
Electrical Quirks:
Older wiring harnesses can degrade; corrosion in connectors is possible.
Carburetor Tuning:
Can require periodic cleaning and adjustment, especially with varying fuel quality.
Brand History:
Yamaha Motor Company, founded in 1955, has a long-standing reputation for producing high-quality motorcycles across various segments, from performance sportbikes to rugged off-road machines. Their commitment to innovation and performance is evident in models like the TW200.
Tw Series Introduction:
The TW200 was originally introduced in the 1980s, with the TW225 following later. The TW200 has remained largely consistent in its core design, emphasizing its proven functionality and unique appeal.
Manufacturing Location:
Primarily Japan
Production Run:
1987-2001 (Original TW200), with the TW200 still produced for certain markets with minor updates, and the TW225 replacing it in others.
