Positioning:
Yamaha's XT225 series represents a highly popular and accessible entry-level to mid-range dual-sport motorcycle, known for its reliability, simplicity, and versatility for both on-road commuting and light off-road exploration.
Competitors:
Competes with models like the Honda XR250L, Kawasaki KLR250, Suzuki DR200SE, and other lightweight dual-sport offerings from various manufacturers.
Vehicle Attributes:
Lightweight, user-friendly, capable off-road suspension, reliable air-cooled engine, manageable seat height for many riders.
Value:
This manual is essential for owners and technicians seeking to maintain, diagnose, and repair the Yamaha XT225 series, offering detailed technical insights and procedures to ensure longevity and optimal performance.
Engine:
Disassembly, assembly, inspection, repair, adjustments, tuning, lubrication, cooling system operation
Engine Cooling:
Air-cooling system maintenance and inspection
Fuel Emissions:
Carburetor system, fuel delivery, emission control systems, fuel tank, fuel lines
Steering:
Handlebar, steering stem, bearings, fork assembly
Servicing:
Routine maintenance, lubrication, adjustments, fluid changes
Suspension:
Front fork (telescopic), rear shock absorber, linkage, swingarm, spring rates, damping adjustments
Brakes:
Front and rear brake systems (likely drum or disc depending on specific sub-model), hydraulic components, pad/shoe replacement, bleeding procedures
Electrical System:
Ignition system, charging system (alternator, stator, regulator/rectifier), battery, lighting, starter motor, wiring diagrams
Frame Bodywork:
Frame inspection, body panel removal/installation, seat, fenders, fuel tank mounting
Wheels Tires:
Wheel assembly, spoke tension, tire removal/installation, pressure recommendations
Disassembly Assembly:
Detailed, step-by-step instructions for component removal and reinstallation
Inspection Testing:
Procedures for checking component wear, functionality, and performance
Troubleshooting:
Systematic diagnostic guides for identifying and resolving common and uncommon problems
Repair Adjustments:
Specific instructions for repairing or adjusting various vehicle systems
Maintenance Schedule:
Recommended service intervals for routine maintenance tasks
Wiring Diagrams:
Comprehensive electrical schematics for all systems
Depth:
Complete from basic maintenance to advanced engine overhaul and diagnostics
Diagnostic Tools:
Identifies special tools required for specific repair procedures
Engine Type:
Air-cooled, four-stroke, SOHC
Displacement:
Approximately 223cc (exact for XT255-C may vary slightly, typically 223cc for XT225 variants)
Bore X Stroke:
Typically around 66.0 mm x 66.0 mm (refer to specific model year for exact figures)
Compression Ratio:
Typically around 9.5:1 to 10.5:1 (refer to specific model year)
Horsepower:
Estimated 16-20 HP at peak RPM (actual figures vary by year and specific tune)
Torque:
Estimated 13-15 lb-ft at peak RPM (actual figures vary by year and specific tune)
Carburetor Type:
Mikuni VM series (e.g., VM26) or similar, with manual choke
Fuel Capacity:
Typically around 2.5 - 3.1 US gallons (9.5 - 11.7 Liters), including reserve
Ignition Type:
CDI (Capacitor Discharge Ignition)
Oil Type:
Yamaha recommends Yamalube or equivalent API SG or higher, SAE 10W-40 motorcycle oil
Oil Capacity:
Approximately 1.4 - 1.6 US quarts (1.3 - 1.5 Liters) without filter change, 1.6 - 1.8 US quarts (1.5 - 1.7 Liters) with filter change
Seat Height:
Approximately 31.7 - 33.1 inches (805 - 840 mm), depending on year and suspension setup
Ground Clearance:
Around 10.0 - 11.0 inches (254 - 279 mm)
Dry Weight:
Typically in the range of 230 - 250 lbs (104 - 113 kg), depending on model year and equipment
Wet Weight:
Approximately 250 - 275 lbs (113 - 125 kg) with all fluids
Safety Features:
Standard motorcycle safety features including effective braking systems, lighting, and robust chassis design. No formal crash ratings apply to motorcycles in the same way as cars.
Braking System:
Front and rear drum brakes or front disc/rear drum brakes are common, offering reliable stopping power. ABS is typically not featured on this model.
Lighting:
Headlight, tail light, brake lights, turn signals for visibility and signaling.
Infotainment System:
N/A (Basic motorcycle design focused on functionality and rider control; no integrated infotainment system).
Assistance Features:
N/A (No electronic driver assistance systems such as ABS, traction control, or ride modes on standard models).
Connectivity Features:
N/A (No integrated smartphone connectivity or Bluetooth features).
Instrument Panel:
Analog speedometer, odometer, tachometer (on some models), and indicator lights (turn signals, neutral, high beam) are standard.
Oil Change Interval:
Typically recommended every 3,000 miles (5,000 km) or 6 months, whichever comes first. Specific intervals are detailed in the manual.
Air Filter Cleaning:
Recommended every 1,000 - 2,000 miles (1,600 - 3,200 km) or as needed based on riding conditions. Cleaning and oiling procedure provided.
Spark Plug Inspection:
Recommended at initial break-in and then periodically, typically every 3,000 - 6,000 miles (5,000 - 10,000 km), depending on usage.
Chain Lubrication Adjustment:
Recommended every 500 miles (800 km) or after washing/riding in wet conditions.
Brake Fluid:
DOT 3 or DOT 4, depending on the specific brake system (consult manual for exact specification if hydraulic)
Coolant:
N/A (Air-cooled engine)
Common Wear Items:
Clutch plates, brake pads/shoes, chain and sprockets, wheel bearings, steering head bearings, fork seals are common wear items due to the nature of dual-sport riding. Carburetor adjustments or cleaning may be required over time.
Carburetor Tuning:
The Mikuni carburetor may require periodic cleaning and adjustment to maintain optimal performance, especially if the bike is used in varied conditions or sits for extended periods.
Electrical Connections:
As with many motorcycles of this era, checking and cleaning electrical connections for corrosion can prevent intermittent issues with lighting or ignition.
Heritage:
Yamaha Motor Company has a long and successful history in motorcycle manufacturing, known for innovation, performance, and reliability across various genres, including off-road and dual-sport.
Lineage:
The XT225 series evolved from Yamaha's earlier XT line of dual-purpose motorcycles, offering a refined and accessible package for a broad range of riders. Successor models include the XT250.
Production Years:
The XT225 platform was produced for many years, with the specific models listed (XT255-C, XT225-D, XT225-G, XT225HC) spanning various years from the late 1980s through the early 2000s. Exact production years for each sub-model would require further specification.
