Target Audience:
Recreational riders, utility users, and mechanics
Competitors Era:
Honda TRX series, Suzuki LT series, Kawasaki Bayou series
Vehicle Type:
Three-wheeled all-terrain vehicle (ATV)
Manual Benefit 1:
Dealership-grade repair information
Manual Benefit 2:
Instant digital delivery for immediate access
Manual Benefit 3:
Printable sections for clean workshop use
Engine:
Detailed diagnosis, repair, and overhaul of all engine components.
General Information:
Overview of the vehicle, safety precautions, torque specifications, and general procedures.
Transmission:
Service and repair of the transmission system, including gears, shafts, and shifting mechanisms.
Chassis:
Maintenance and repair of the main structural components, frame, and body elements.
Lightning:
Electrical system covering lighting circuits, bulbs, and associated components.
Steering:
Diagnosis, adjustment, and repair of the steering system, including tie rods and linkages.
Seats System:
Information related to the seat mounting and adjustment mechanisms.
Clutch:
Service, adjustment, and replacement of clutch components.
Suspension:
Maintenance, inspection, and repair of front and rear suspension components, including shocks and linkages.
Locks:
Information pertaining to any locking mechanisms, if applicable to the model.
Brakes:
Comprehensive service procedures for the braking system, including fluid changes, pad/shoe replacement, and adjustments.
Lubrication:
Detailed lubrication points, fluid types, and recommended intervals for all components.
Electrical:
Full coverage of the electrical system, including wiring diagrams, component testing, and troubleshooting.
Frame:
Inspection and repair procedures for the ATV's frame structure.
Fuel System:
Diagnosis, cleaning, and repair of the carburetor, fuel lines, and fuel tank.
Battery:
Information on battery maintenance, testing, and charging.
Maintenance:
Routine maintenance tasks, including oil changes, filter replacements, chain adjustments, and spark plug service.
Troubleshooting:
Systematic diagnostic procedures to identify and resolve common and uncommon problems.
Repair:
Step-by-step instructions for component disassembly, repair, reassembly, and adjustment.
Installation:
Guidance for the installation of replacement parts and accessories.
Depth:
Comprehensive, covering basic to advanced repair and diagnostic procedures, suitable for dealership technicians and experienced DIY mechanics.
Software Compatibility:
Adobe Acrobat Reader (PC/Mac)
Printability:
High-quality, allowing for printing of individual sections or the entire manual.
Digital Binding:
N/A (Digital document, user printable for binding)
Digital Paper Simulation:
Simulates a professional workshop manual's content on digital pages.
Engine Type:
4-stroke, Air-cooled
Engine Displacement:
223cc (approximate)
Bore X Stroke:
Specifics available in manual
Compression Ratio:
Specifics available in manual
Horsepower:
Typically in the range of 15-20 HP, exact figures available in manual
Torque:
Specific figures available in manual
Carburetor Type:
Likely Mikuni VM series (e.g., VM26 or similar), specific model in manual
Fuel Type:
Unleaded gasoline
Fuel Tank Capacity:
Approximately 2.6 gallons (9.8 L), check manual for exact specification
Oil Type:
Yamalube or equivalent motorcycle-specific 4-stroke oil (e.g., SAE 10W-30 or 20W-40), specific viscosity in manual
Oil Capacity:
Approximately 1.6 quarts (1.5 L) with filter change, check manual for exact capacity
Ignition System:
CDI (Capacitor Discharge Ignition)
Starter:
Electric Start, Backup Recoil Starter
Length:
Approx. 71.1 inches (1805 mm), check manual for exact specification
Width:
Approx. 41.1 inches (1045 mm), check manual for exact specification
Height:
Approx. 41.5 inches (1055 mm), check manual for exact specification
Dry Weight:
Approx. 348 lbs (158 kg), check manual for exact specification
Ground Clearance:
Approx. 5.1 inches (130 mm), check manual for exact specification
Engine Oil Change:
Every 1000 km (600 miles) or annually, check manual for precise interval and conditions.
Air Filter Cleaning:
As needed, depending on operating conditions (more frequent in dusty environments), check manual.
Spark Plug Replacement:
Refer to manual for recommended interval or when performance degrades.
Brake Fluid Change:
Refer to manual for recommended interval, typically every 1-2 years.
Brake Fluid Type:
DOT 3 or DOT 4, confirm with manual.
Gear Oil Type:
Refer to manual for specific gear oil viscosity and type (likely hypoid gear oil).
Common Wear Items:
Carburetor gumming, clutch wear, suspension bushings, and aging electrical components are common for vehicles of this age.
Carburetor Cleaning:
Due to age and fuel degradation, carburetor cleaning and rebuilding is a frequent maintenance task.
Brand Focus:
Yamaha Motor Company is renowned for its high-quality motorcycles, ATVs, marine engines, and musical instruments.
Ymth Series Introduction:
The YTM series, including the YTM225, was Yamaha's entry into the performance and sport utility ATV market of the early 1980s, a period of rapid growth for the ATV industry.
Ymth225 Positioning:
The YTM225 was positioned as a capable utility and recreational trike, offering a balance of power and handling for its time.
Production Period:
1983-1986
