Market Segment:
Dual-sport / Dual-purpose motorcycle, popular for light trail riding, commuting, and general utility.
Competitors:
Honda XR series, Kawasaki KLR250, Suzuki DR200.
Unique Selling Points:
Distinctive extra-wide tires for excellent traction on soft terrain, simple and reliable air-cooled engine, low seat height for accessibility.
Covered Model Years:
1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999
Type:
Service Manual / Repair Manual
Format:
Digital (Likely PDF, based on common sales practices)
Engine:
Detailed coverage of the 195cc, air-cooled, SOHC, 2-valve, four-stroke engine.
Fuel System:
Carburetor (Mikuni VM series, likely 28mm), fuel tank, fuel lines, and filters.
Ignition System:
CDI ignition system, spark plug specifications, timing.
Transmission:
5-speed constant mesh transmission, clutch operation, lubrication.
Suspension:
Front telescopic fork (including oil type and capacity), rear swingarm with monoshock suspension (adjustment and maintenance).
Brakes:
Front disc brake, rear drum brake (including inspection, adjustment, and component replacement).
Electrical System:
Wiring diagrams, lighting system, battery specifications, charging system (stator and regulator/rectifier).
Wheels And Tires:
Front and rear wheel specifications, tire pressure recommendations, tire replacement.
Frame And Bodywork:
Frame inspection, body panel removal and installation, seat, handlebars.
Maintenance:
Oil change intervals, filter replacement, spark plug service, chain adjustment, brake pad inspection.
Troubleshooting:
Diagnosis of common running issues, electrical problems, and component failures.
Repair:
Detailed step-by-step instructions for engine overhaul, transmission repair, suspension rebuild, brake system service, and electrical component replacement.
Adjustment:
Carburetor tuning, clutch adjustment, brake lever adjustment, throttle cable adjustment.
Inspection:
Pre-ride inspection checklists, regular service inspections for critical components.
Depth:
Comprehensive from basic owner maintenance to complete engine and transmission rebuilds.
Engine Type:
Air-cooled, SOHC, 4-stroke, 2-valve
Displacement:
195 cc (11.9 cu in)
Bore X Stroke:
66.0 mm x 58.0 mm (2.60 in x 2.28 in)
Compression Ratio:
9.5:1 (typical for this era)
Horsepower:
Approximately 15-16 HP @ 8000 RPM (estimated)
Torque:
Approximately 11-12 lb-ft @ 6500 RPM (estimated)
Carburetor Model:
Mikuni VM28 (likely)
Fuel Capacity:
1.6 US gal (6.0 L) (typical)
Oil Capacity:
1.0 US qt (0.95 L) (approximate, check manual for exact)
Oil Type:
Yamalube 4 (or equivalent motorcycle-specific 10W-40 or 20W-40)
Length:
Approx. 81.7 in (2075 mm)
Width:
Approx. 31.5 in (800 mm)
Height:
Approx. 43.7 in (1110 mm)
Wheelbase:
Approx. 51.8 in (1315 mm)
Ground Clearance:
Approx. 10.2 in (260 mm)
Seat Height:
Approx. 31.9 in (810 mm)
Dry Weight:
Approx. 258 lbs (117 kg)
Wet Weight:
Approx. 278 lbs (126 kg)
Front Tire Size:
130/80-18
Rear Tire Size:
180/80-14
Front Tire Pressure:
29 PSI (typical, check manual for specific conditions)
Rear Tire Pressure:
29 PSI (typical, check manual for specific conditions)
Engine Oil Change:
Every 3,000 km (1,800 miles) or 6 months, whichever comes first (typical Yamaha recommendation).
Oil Filter Replacement:
Every 2nd oil change or annually (check manual).
Spark Plug Service:
Every 6,000 km (3,600 miles) or annually (typical recommendation, check manual).
Air Filter Cleaning:
Every 1,000 km (600 miles) or as needed based on riding conditions (especially dusty ones).
Chain Lubrication Adjustment:
Every 500 km (300 miles) or after washing/riding in rain.
Engine Oil:
Yamalube 4 (or equivalent) SAE 10W-40 or 20W-40 API SG or higher.
Fork Oil:
Yamaha Fork Oil G-10 or equivalent SAE 10W (refer to manual for exact type and quantity per fork leg).
Carburetor Issues:
Can become clogged with debris over time, requiring cleaning and adjustment. Pilot jet can be prone to clogging.
Electrical Connections:
Corrosion on connectors can sometimes lead to intermittent electrical issues, particularly in older models. Annual inspection and dielectric grease application recommended.
Fat Tire Maintenance:
While great for traction, the unique tires require proper inflation and can wear differently than standard motorcycle tires.
Valve Adjustment:
Periodic valve clearance adjustments are necessary to maintain optimal engine performance and longevity.
Yamaha Legacy:
Yamaha Motor Company, established in 1955, renowned for its engineering prowess in motorcycles, musical instruments, and other powersports products.
Tw200 Lineage:
The TW200 was introduced in the mid-1980s and has maintained its core design and appeal through various iterations, characterized by its unique fat tires.
Production Years:
Originally introduced around 1985-1987, continued production through the early 2000s and beyond, with this manual specifically covering a significant portion of its run.
