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1987 Yamaha YFM225 Moto 4 ATV Owners Manual PDF Download
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Basic Information Identification Make: Yamaha Model: YFM225 Moto 4 Year: 1987 Vehicle Type: All-Terrain Vehicle (ATV) Category: Sport/Utility ATV Introduction Market Position Positioning: The Yamaha YFM225 Moto 4 was positioned...
Tipo: Atv
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Sku: 23999
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| Basic Information | |
| Identification | |
| Make: | Yamaha |
| Model: | YFM225 Moto 4 |
| Year: | 1987 |
| Vehicle Type: | All-Terrain Vehicle (ATV) |
| Category: | Sport/Utility ATV |
| Introduction | |
| Market Position | |
| Positioning: | The Yamaha YFM225 Moto 4 was positioned as an entry-level to mid-range sport/utility ATV, appealing to riders seeking versatility for recreation and light work. |
| Competitive Analysis | |
| Competitors: | Competed with offerings from Honda (e.g., TRX250), Kawasaki (e.g., KLF220 Bayou), and Suzuki (e.g., LT-F250 QuadRunner). |
| Key Features | |
| Key Features: | Known for its reliable air-cooled engine, shaft drive for reduced maintenance, and comfortable riding position. |
| Value Proposition | |
| Value: | This manual provides essential information for owners to maintain and operate their 1987 Yamaha YFM225 Moto 4 safely and effectively, preserving its longevity and performance. |
| Manual Details | |
| Coverage Areas | |
| Manual Type: | Owner's/Operator's Manual |
| Page Count | |
| Page Count: | 118 |
| Language | |
| Language: | English |
| Format | |
| Format: | |
| Features | |
| Indexed Bookmarked Searchable: | True |
| Zoom Functionality: | True |
| Printability: | Pages, Sections, Chapters, Diagrams, Charts, Partials or Totally |
| Manual Coverage | |
| Systems Covered | |
| Engine System: | Detailed coverage of the engine, including components, operation, and basic maintenance. |
| Fuel System: | Information on the carburetor, fuel tank, fuel lines, and filtration. |
| Ignition System: | Spark plug, ignition coil, and CDI unit specifications and maintenance. |
| Transmission System: | Operation and maintenance of the automatic transmission. |
| Drive System: | Details on the shaft drive system and differential. |
| Suspension System: | Front and rear suspension components, adjustments, and maintenance. |
| Braking System: | Front and rear brake operation, maintenance, and fluid specifications. |
| Electrical System: | Battery, lighting, starter motor, and basic wiring diagrams. |
| Cooling System: | Air-cooled engine operation and related components. |
| Steering System: | Handlebar, steering column, and tie rod maintenance. |
| Frame And Body: | Basic inspection of frame and body components. |
| Lighting System: | Headlight, taillight, and brake light operation and bulb replacement. |
| Controls And Instruments: | Explanation of dashboard indicators, controls, and their functions. |
| Procedures Included | |
| Routine Maintenance: | Oil changes, filter replacements, spark plug inspection/replacement, chain/drive shaft lubrication. |
| Pre Ride Inspection: | Checklists and guidelines for safe operation before each ride. |
| Troubleshooting: | Guidance for identifying and resolving common operational issues. |
| Lubrication: | Specific points and types of lubricants for various components. |
| Adjustments: | Carburetor idle, throttle cable, and brake lever adjustments. |
| Wheel And Tire Maintenance: | Information on tire pressure, inspection, and potentially wheel bearing checks. |
| Technical Depth | |
| Depth: | Comprehensive owner-level maintenance and operation. Focuses on what the user can and should do to maintain their ATV. |
| Diagnostic Capabilities: | Basic troubleshooting for common issues like starting problems, poor running conditions, and electrical faults. |
| Manual Specifications | |
| File Format | |
| File Type: | |
| Digitization Quality: | Scanned - Good |
| Interactivity | |
| Searchable Text: | True |
| Bookmarking: | True |
| Zoom In Out: | True |
| Printability | |
| Printable Options: | Full or partial document printing. |
| Engine Specifications | |
| Primary Engine | |
| Engine Type: | Four-stroke, SOHC |
| Displacement: | 223cc |
| Cooling System: | Air-cooled |
| Bore X Stroke: | 66 mm x 65 mm |
| Compression Ratio: | 9.2:1 |
| Ignition: | CDI (Capacitor Discharge Ignition) |
| Starter: | Electric Start |
| Performance | |
| Horsepower Estimate: | ~14-16 HP (estimated, not officially published for this model year) |
| Torque Estimate: | ~14-16 lb-ft (estimated, not officially published for this model year) |
| Fuel System | |
| Carburetor: | Mikuni VM26SS (or similar) |
| Fuel Type: | Unleaded gasoline (87 octane recommended) |
| Fuel Tank Capacity: | 2.6 US gallons (9.8 L) |
| Transmission | |
| Standard | |
| Transmission Type: | Automatic (Continuously Variable Transmission - CVT based, though often referred to as automatic clutch and belt drive) |
| Features | |
| Drive Type: | Shaft Drive (2WD) |
| Fluid Specifications | |
| Transmission Oil Type: | Yamalube 4 (or equivalent SAE 10W-30 API SE, SF or SG) |
| Transmission Oil Capacity: | 0.6 US quarts (0.58 L) |
| Dimensions | |
| Exterior | |
| Length: | 72.4 inches (1839 mm) |
| Width: | 38.4 inches (975 mm) |
| Height: | 42.3 inches (1074 mm) |
| Wheelbase: | 47.6 inches (1209 mm) |
| Weights | |
| Dry Weight: | 370 lbs (168 kg) |
| Tires | |
| Front Tire Size: | AT18 x 7-7 |
| Rear Tire Size: | AT20 x 10-9 |
| Ground Clearance | |
| Ground Clearance: | 5.3 inches (135 mm) |
| Safety Features | |
| Ratings | |
| Atv Safety Standards: | Adherence to relevant ATV safety guidelines of the era. |
| Active Features | |
| Braking System Description: | Hydraulic disc front brakes, mechanical drum rear brake. Lever-actuated. |
| Passive Features | |
| Throttle Limiter: | Not explicitly mentioned as a user-adjustable feature, but designed for controllable acceleration. |
| Operational Safety | |
| Safety Warnings: | Manual emphasizes safe riding practices, protective gear, and understanding terrain. |
| Technology Features | |
| Infotainment | |
| Infotainment System: | N/A (This model predates typical ATV infotainment systems.) |
| Driver Assistance | |
| Driver Assistance Features: | N/A (No electronic driver assistance systems.) |
| Connectivity | |
| Connectivity Features: | N/A (No electronic connectivity features.) |
| Maintenance | |
| Service Intervals | |
| Engine Oil Change Interval: | Every 600 miles or 6 months (whichever comes first), or more frequently with severe use. |
| Air Filter Cleaning: | Clean every 300 miles or 3 months, replace as needed. |
| Spark Plug Inspection: | Inspect every 600 miles or 6 months. |
| Brake Fluid Replacement: | Recommended every 12 months or as needed based on inspection. |
| Valve Clearance Check: | Recommended every 1200 miles or 12 months. |
| Fluid Specifications | |
| Engine Oil Spec: | Yamalube 4 (or API SE, SF, SG classified 10W-30) |
| Brake Fluid Spec: | DOT 3 or DOT 4 brake fluid |
| Grease Type: | General-purpose lithium-base grease |
| Known Issues | |
| Common Wear Items: | Wear on carburetor jets, aging brake components, drive shaft U-joints, and suspension bushings are common on older units. |
| Tips | |
| Storage Recommendations: | Manual provides guidance on proper storage, including fuel stabilization and battery care. |
| Vehicle History | |
| Brand Heritage | |
| Yamaha Atv History: | Yamaha has a long-standing history in ATV manufacturing, starting with the three-wheeled 'Tri-Z' and moving to the four-wheeled 'Moto 4' series. |
| Model Evolution | |
| Moto 4 Lineage: | The Moto 4 series, introduced in the early 1980s, represented Yamaha's entry into the popular four-wheel ATV market, offering a blend of performance and utility. |
| Production | |
| Production Period: | The YFM225 Moto 4 was produced through the mid to late 1980s. |
| Significance | |
| Market Impact: | Contributed to the growing popularity of ATVs for recreational and utility purposes during a key growth period for the industry. |
| Awards & Recognition | |
| Recognitions | |
| Industry Awards: | No specific industry awards are readily documented for this particular model, but Yamaha ATVs of this era were generally well-regarded for reliability and performance. |
| Ratings | |
| Consumer Reports: | Consumer and enthusiast reviews from the period generally praised its utility and durability for its class. |