Years Covered:
2008, 2009, 2010, 2011, 2012
Engine Code Designation:
Often referred to by model year or specific internal codes, but the primary descriptor is the engine configuration.
Vehicle Segment:
Dual-sport / Enduro motorcycle, known for its versatility and reliability for both on-road commuting and light off-road use.
Key Competitors:
Honda CRF250L, Kawasaki KLX250S, Suzuki DR-Z250.
Vehicle Selling Points:
Lightweight, fuel-efficient, reliable engine, user-friendly operation, good balance of on-road and off-road capability, simple maintenance.
Engine:
Complete disassembly, assembly, inspection, troubleshooting, and repair of the 249cc engine, including top end, bottom end, lubrication system, cooling system (air-cooled specific), and fuel system.
Transmission:
Inspection, maintenance, and repair of the gearbox, clutch, shift mechanism, and related components.
Electrical System:
Wiring diagrams, ignition system, lighting system, charging system (stator, rectifier/regulator), starter motor, battery, fuses, and switches.
Chassis:
Frame, suspension (front forks, rear shock), steering, wheels, tires, and braking system (front and rear brakes, hydraulic lines).
Fuel System:
Carburetor (type, settings, overhaul), fuel tank, fuel pump (if applicable), fuel lines, and fuel filter.
Routine Maintenance:
Oil changes, filter replacements, chain adjustment, lubrication points, valve clearance checks and adjustments, spark plug replacement, air filter cleaning/replacement.
Troubleshooting:
Diagnostic charts and procedures for common and uncommon issues, symptom-based fault finding.
Major Repairs:
Engine rebuilds, transmission overhauls, suspension component replacement, brake system service, electrical component diagnosis and replacement.
Special Tools:
Identification and usage of specialized tools required for specific repair procedures.
Depth Of Coverage:
Comprehensive. Covers from basic adjustments to complete engine and chassis teardowns and rebuilds, including detailed torque specifications, clearances, and assembly sequences.
Digital Format Type:
Likely PDF. Searchable text and indexed chapters are highly probable.
Graphic Resolution:
High resolution for clear diagrams and illustrations.
Physical Manual Binding:
N/A (Digital format, but if a printed version were produced, likely spiral-bound or perfect-bound for lay-flat use in a workshop).
Physical Manual Paper:
N/A (Digital format, but professional manuals typically use durable, coated paper for longevity in workshop environments).
Engine Type:
Single-cylinder, 4-stroke, SOHC (Single Overhead Camshaft), Air-cooled
Bore X Stroke:
Typically around 74.0 mm x 58.0 mm (exact figures to be confirmed in manual).
Compression Ratio:
Likely around 9.5:1 to 10.0:1.
Cooling System:
Forced Air Cooling
Horsepower Est:
Approximately 15-18 hp at 7,500-8,000 rpm (specific figures to be confirmed).
Torque Est:
Approximately 19-21 Nm at 6,000-6,500 rpm (specific figures to be confirmed).
Fuel Delivery:
Carburetor (likely Mikuni VM or similar).
Fuel Type:
Unleaded gasoline
Oil Type Recommendation:
Yamaha recommends Yamalube or equivalent motorcycle-specific oil, typically SAE 10W-40 or 20W-40, API SG or higher.
Ignition Type:
CDI (Capacitor Discharge Ignition) or similar electronic ignition.
Overall Length Est:
Around 2,150 mm (84.6 in)
Overall Width Est:
Around 830 mm (32.7 in)
Overall Height Est:
Around 1,180 mm (46.5 in)
Wheelbase Est:
Around 1,405 mm (55.3 in)
Wet Weight Est:
Around 130-135 kg (287-298 lbs) (fully fueled)
Fuel Tank Capacity Est:
Approximately 11 liters (2.9 US gal)
Front Suspension Type:
Telescopic fork
Front Suspension Travel Est:
Around 150 mm (5.9 in)
Rear Suspension Type:
Swingarm (Monocross suspension system)
Rear Suspension Travel Est:
Around 145 mm (5.7 in)
Front Tire Size Est:
80/90-21 M/C 48S
Rear Tire Size Est:
120/80-18 M/C 62S
Front Brake Type:
Hydraulic disc
Rear Brake Type:
Drum brake
Crash Test Certifications:
N/A (Motorcycles are not typically rated by agencies like NHTSA or Euro NCAP).
Braking System Design:
Designed for effective stopping power with a hydraulic front disc and reliable rear drum.
Lighting System:
Standard headlight, tail light, brake light, and turn signals for visibility.
Frame Construction:
Sturdy frame designed to handle road and trail stresses.
Dash Display Type:
Analog speedometer with a digital or analog tachometer, odometer, trip meter, and indicator lights.
ABS Availability:
ABS was not standard or widely available on the XT250 models from 2008-2012. Some later models or specific market variants may have featured it.
Smartphone Integration:
N/A (Not equipped with modern connectivity features).
Headlight Type:
Halogen bulb.
Engine Oil Change Interval:
Typically every 4,000-6,000 km (2,500-3,700 miles) or annually. The manual will provide precise intervals.
Air Filter Inspection Interval:
Every 4,000 km (2,500 miles) or more frequently in dusty conditions. Cleaning or replacement based on condition.
Spark Plug Replacement Interval:
Typically around 10,000-12,000 km (6,000-7,500 miles).
Valve Clearance Check Interval:
Initial check around 1,000 km (600 miles), then every 8,000-10,000 km (5,000-6,000 miles).
Chain Adjustment Interval:
As needed, checking for proper slack every 1,000 km (600 miles) or more frequently depending on riding conditions.
Engine Oil Capacity:
Approximately 1.5 liters (1.6 US qt) without filter change, 1.7 liters (1.8 US qt) with filter change. Exact capacity in manual.
Brake Fluid Type:
DOT 4 or DOT 3, depending on specific system design. Manual will specify.
Coolant Type:
N/A (Air-cooled engine).
Common Wear Items:
Clutch plates, brake pads, chain and sprockets, tires, and fork seals are common wear items on dual-sport motorcycles that are subject to regular maintenance and potential replacement.
Potential Failures:
Carburetor gumming if left unused for extended periods, occasional electrical connector issues, and wear on suspension components with high mileage or heavy use.
Yamaha Motorcycles Legacy:
Yamaha has a long and storied history in motorcycle manufacturing, known for innovation, performance, and reliability across various disciplines including off-road, sport, and touring.
Xt Series Heritage:
The XT series is an iconic lineage of dual-sport motorcycles, originating with the legendary XT500. The XT250 represents a modern, accessible iteration, focusing on usability and efficiency.
Manufacturing Locations:
Primarily manufactured in Japan, with potential for assembly in other global locations by Yamaha.
