Segment:
Dual-sport motorcycle, lightweight off-road/on-road utility.
Target Audience:
Riders seeking a reliable, versatile, and easy-to-maintain motorcycle for trail riding, commuting, and light touring.
Key Competitors:
Honda CRF230L, Kawasaki KLX250S, Suzuki DR-Z250.
Distinctive Features:
Simplicity, durability, electric start, user-friendly power delivery, comfortable ergonomics.
Engine System:
Complete overhaul, diagnosis, specifications, and repair for the 223cc 4-stroke engine.
Fuel System:
Carburetor (Mikuni VM32SS) tuning, cleaning, overhaul, specifications, and fuel pump (if applicable to specific variants).
Ignition System:
CDI system diagnostics, spark plug specifications, ignition timing, and coil testing.
Transmission System:
Clutch operation, gear shifting mechanisms, internal transmission components, lubrication, and torque specifications.
Cooling System:
Air-cooled engine design, airflow management, and related components.
Electrical System:
Wiring diagrams, battery, charging system (alternator, rectifier/regulator), lighting, ignition, and starter motor.
Chassis System:
Frame inspection, front suspension (forks, seals, oil), rear suspension (shock absorber, linkage), steering head bearings.
Brake System:
Front and rear brake operation, hydraulic systems (if applicable), disc/drum specifications, pad/shoe replacement, bleeding procedures.
Wheel And Tire System:
Wheel bearing maintenance, spoke tensioning, tire pressure specifications, and rim compatibility.
Bodywork And Trim:
Panel removal and installation, seat, fuel tank, fenders, and graphics.
Routine Maintenance:
Oil changes, filter replacements, chain adjustment, spark plug checks, air filter cleaning/replacement, valve clearance checks/adjustments.
Troubleshooting:
Diagnostic flowcharts for common starting, running, and electrical issues.
Disassembly And Assembly:
Step-by-step instructions for engine, transmission, suspension, and brake component removal and installation.
Rebuild Procedures:
Detailed instructions for engine component rebuilding (e.g., piston, rings, cylinder, valve train).
Wiring Diagrams:
Comprehensive electrical schematics for all factory electrical components.
Depth:
Comprehensive, covering basic maintenance to full engine and chassis overhauls, including detailed diagnostic information.
Engine Type:
Air-cooled, SOHC, 4-stroke, 2-valve
Bore X Stroke:
67.0 mm x 63.1 mm
Starting System:
Electric Start
Horsepower:
Approximately 15-17 hp @ 7500 rpm (varies slightly by year/region)
Torque:
Approximately 17-19 Nm @ 6000 rpm (varies slightly by year/region)
Carburetor Model:
Mikuni VM32SS
Fuel Type:
Unleaded gasoline (91 octane or higher recommended)
Oil Type:
Yamaha Genuine Yamalube 4 (or SAE 20W-40 API SE, SF or SG type oil)
Oil Capacity:
1.70 L (1.80 US qt, 1.50 Imp qt) with filter change
Type:
Constant-mesh 6-speed sequential
Gear Ratios:
1st: 2.833, 2nd: 1.941, 3rd: 1.474, 4th: 1.190, 5th: 1.000, 6th: 0.850
Clutch Type:
Wet, multiple-disc
Final Drive:
O-ring sealed chain, 520 pitch
Length:
Approximately 2130 mm (83.9 in)
Width:
Approximately 825 mm (32.5 in)
Height:
Approximately 1175 mm (46.3 in)
Wheelbase:
Approximately 1385 mm (54.5 in)
Ground Clearance:
Approximately 285 mm (11.2 in)
Seat Height:
Approximately 860 mm (33.9 in)
Dry Weight:
Approximately 118 kg (260 lbs)
Wet Weight:
Approximately 127 kg (280 lbs)
Fuel Tank Capacity:
11 L (2.9 US qt, 2.4 Imp qt)
Engine Oil Change:
Every 3,000 km (1,800 miles) or 6 months, whichever comes first.
Oil Filter Replacement:
At every oil change.
Air Filter Cleaning:
Every 3,000 km (1,800 miles).
Spark Plug Check:
Every 3,000 km (1,800 miles).
Valve Clearance Check:
Every 6,000 km (3,600 miles).
Chain Lubrication And Adjustment:
Every 1,000 km (600 miles) or after riding in wet conditions.
Brake Fluid:
DOT 3 or DOT 4 hydraulic brake fluid.
Fork Oil Type:
Yamaha Genuine Fork Oil (or SAE 10W equivalent)
Fork Oil Capacity:
Approximately 500 ml per fork leg (refer to manual for exact specification).
Common Wear Items:
Clutch plates, brake pads/shoes, chain and sprockets, wheel bearings, steering head bearings.
Potential Problems:
Carburetor tuning sensitivity, occasional electrical connector corrosion (especially in humid climates), exhaust pipe rust.
Manufacturer:
Yamaha Motor Company, Ltd.
Original Release Year:
1989
Key Updates:
Introduction of electric start, minor cosmetic changes, and emissions compliance updates across generations.
Production Discontinuation:
Production ceased for most markets around 2007-2008, succeeded by the XT250.
Manufacturing Locations:
Primarily Japan, with some assembly potentially in other regions.
