Model Variant:
XT225, TTR225
Years Covered:
1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
Chassis Codes:
Refer to specific year/model within manual (e.g., 4JG, 5MP for XT225)
Engine Codes:
Refer to specific engine designations within manual (e.g., 3RW1, 3RW3 for XT225)
Segment:
Dual-sport / Trail Motorcycle
Target Audience:
Recreational riders, trail enthusiasts, light off-roading, and casual commuting.
Key Competitors:
Honda CRF230F, Kawasaki KLX250S, Suzuki DR-Z250.
Design Philosophy:
Reliability, ease of use, manageable power, and versatility for various terrains.
Manual Value Proposition:
Provides factory-level detail for DIY maintenance and repairs, saving on dealership costs and ensuring proper upkeep.
Major Systems:
Engine, Transmission, Fuel System, Ignition System, Electrical System, Chassis, Suspension, Brakes, Bodywork, Lubrication, Cooling System, Exhaust System, Troubleshooting.
Estimated Pages:
Over 400 pages (typical for comprehensive factory service manuals)
Type:
Factory Service Manual / Repair Manual
Primary Language:
English
Engine Mechanical:
Engine overhaul, cylinder head, valve system, piston, crankshaft, connecting rod, lubrication system, oil pump, oil filter, cooling system.
Fuel System:
Carburetor (Mikuni VM series), fuel tank, fuel lines, fuel pump (if applicable), fuel filter.
Ignition System:
CDI unit, ignition coil, spark plug, timing, troubleshooting ignition components.
Electrical System:
Wiring diagrams, lighting system, charging system (stator, rectifier/regulator), battery, starter motor, horn, switches, fuses.
Transmission Drivetrain:
Clutch operation and adjustment, gear shifting mechanism, gearbox overhaul, final drive (chain and sprockets).
Chassis Suspension:
Frame, front fork (telescopic), rear suspension (monoshock or twin shock depending on specific model variation), swingarm, bearings.
Brakes:
Front and rear brake systems (disc and/or drum), brake fluid, bleeding procedures, caliper/master cylinder overhaul, brake pads/shoes replacement.
Wheels Tires:
Wheel specifications, spoke tensioning, tire changing, tubeless vs. tube type, recommended tire pressures.
Bodywork Controls:
Handlebars, levers, footpegs, seat, fenders, fuel tank, plastics, instrument panel.
Maintenance:
Regular service intervals, oil changes, filter replacements, chain lubrication and adjustment, spark plug maintenance, air filter cleaning/replacement, brake adjustments.
Troubleshooting:
Diagnostic procedures for common problems related to starting, running, electrical issues, and braking.
Repair Rebuild:
Detailed step-by-step instructions for component disassembly, inspection, repair, and reassembly.
Special Tools:
Identification and usage of specialized tools required for specific maintenance and repair tasks.
Torque Specifications:
Accurate torque values for critical fasteners across all systems.
Depth:
Comprehensive, covering routine maintenance to complete engine and transmission rebuilds. Includes detailed diagnostic charts.
Type:
4-stroke, SOHC, Air-cooled
Displacement:
223cc (approximate)
Bore X Stroke:
Refer to manual for exact specifications (e.g., 68.5 mm x 62.2 mm for XT225)
Compression Ratio:
Refer to manual for exact specifications (e.g., 9.5:1 for XT225)
Horsepower:
Estimated 16-20 HP (varies by year/tune)
Torque:
Estimated 13-15 lb-ft (varies by year/tune)
Carburetor Type:
Mikuni VM Series (e.g., VM26)
Fuel Capacity:
Refer to manual (e.g., 2.9 US gal / 11 L for XT225)
Seat Height:
Refer to manual (e.g., 33.5 inches / 850 mm for XT225)
Ground Clearance:
Refer to manual (e.g., 10.4 inches / 265 mm for XT225)
Dry Weight:
Refer to manual (e.g., ~238 lbs / 108 kg for XT225)
Wet Weight:
Refer to manual (e.g., ~256 lbs / 116 kg for XT225)
Crash Test Results:
N/A (Motorcycle specific safety is assessed differently than automobiles)
Braking System:
Front Disc, Rear Drum (typical for XT225); Front Disc, Rear Disc (some TTR models); Dual Disc (some TTR variants).
Lighting:
Headlight, Taillight, Brake Light, Turn Signals (US models), Reflectors.
Oil Change:
Every 3,000 km (1,800 miles) or 6 months (refer to manual for specific year).
Air Filter Cleaning:
Every 1,000 km (600 miles) or 6 months, clean and re-oil. Replace if damaged.
Spark Plug Check:
Every 3,000 km (1,800 miles) or 12 months. Check gap and condition.
Valve Clearance Check:
Every 6,000 km (3,600 miles) or 12 months (critical for engine health).
Engine Oil Type:
Yamalube (or equivalent) SAE 20W-40 API SE, SF or SG (Refer to manual for exact specification).
Brake Fluid Type:
DOT 3 or DOT 4 (refer to manual for specific recommendation).
Carburetor Cleaning:
Periodic cleaning may be required due to fuel varnish buildup, especially if the bike sits for extended periods.
Suspension Seals:
Front fork seals can wear over time and develop leaks, requiring replacement.
Electrical Connections:
Corrosion can occur on electrical connectors in damp environments, leading to intermittent issues. Manual covers troubleshooting.
Yamaha Motorcycles:
Yamaha has a long and successful history in motorcycle manufacturing, known for innovation and performance across various disciplines, including off-road and dual-sport.
Xt Series:
The XT series has a lineage of reliable dual-sport motorcycles, emphasizing versatility and trail capability. The XT225, in particular, became known for its lightweight and user-friendly nature.
Ttr Series:
The TTR series often focused more on off-road performance, with the TTR225 offering a blend of trail prowess and accessibility, sometimes featuring more robust suspension or off-road oriented components compared to the XT225.
Manufacturing Location:
Primarily Japan, with potential assembly in other regions.
