Model Years Covered:
1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
Vehicle Type:
ATV (All-Terrain Vehicle)
Engine Code:
Likely 3AT (specific codes may vary by year/region)
Positioning:
The Yamaha YFS 200 Blaster was a popular sport ATV known for its performance and affordability, appealing to recreational riders and entry-level racers.
Target Audience:
DIY enthusiasts, recreational riders, and mechanics seeking detailed repair and maintenance information.
Competitors:
Competed with models from Honda (e.g., TRX250R/X), Suzuki (e.g., LT250R), and Kawasaki (e.g., KXT250 Tecate) during its production run.
Features:
Lightweight design, torquey 2-stroke engine, agile handling, and a robust chassis contributed to its popularity.
Coverage Scope:
Comprehensive service, repair, and maintenance
Estimated Page Count:
Variable, likely 200-500+ pages depending on specific edition and compression
Type:
Service Repair Workshop Manual
Format:
Digital Download (PDF, ZIP, RAR, EXE)
Engine:
Engine assembly, disassembly, tuning, lubrication, cooling system
Transmission:
Clutch, gearbox operation, maintenance, lubrication
Chassis:
Frame, suspension (front and rear), steering system, wheels, tires
Electrical:
Ignition system, lighting, battery, wiring diagrams, charging system
Fuel System:
Carburetor, fuel tank, fuel lines, fuel filter
Brakes:
Brake system diagnosis, repair, fluid service, component replacement
Bodywork And Controls:
Handlebars, seating, body panels, locks, controls
General Information:
Includes general specifications, vehicle identification, safety precautions, and fundamental operating principles.
Locks:
Information on ignition switch, steering lock, and any other locking mechanisms.
Seats System:
Details on seat removal, installation, and any associated components.
Maintenance:
Routine maintenance, pre-ride inspections, lubrication schedules, filter replacements
Troubleshooting:
Diagnostic procedures for common problems, symptom-based troubleshooting guides
Repair:
Step-by-step instructions for component repair, rebuilds, and replacement
Diagnostics:
Detailed diagnostic flowcharts and procedures for all major systems
Restoration:
Provides guidance for restoring the ATV to its original specifications.
Rebuild:
Detailed procedures for rebuilding major components such as the engine, transmission, and suspension.
Preventative Maintenance:
Comprehensive preventative maintenance schedules and tasks to ensure longevity.
Depth:
Comprehensive, from basic maintenance to complete engine and transmission rebuilds
Illustrations:
Features zoomable illustrations, exploded views, and detailed component breakdowns.
Part Numbers:
Includes detailed part numbers for all aspects of the vehicle.
File Types:
PDF, ZIP, RAR, EXE (may require unzipping software like WinZip or WinRAR)
Compatibility:
Compatible with Windows, Linux, and Mac operating systems (requires PDF reader, unzipping software).
File Size:
Can be very large, up to 5 GB, due to detailed illustrations and data.
Printability:
Printable with no restrictions
Binding:
Not applicable (Digital Download)
Paper:
Not applicable (Digital Download)
Engine Type:
2-stroke, reed valve, liquid-cooled (later models may have air-cooled variants)
Bore X Stroke:
66.0 mm x 57.0 mm (typical)
Compression Ratio:
Approximately 6.8:1 (may vary by year)
Carburetor:
Mikuni VM26SS (typical, may vary)
Horsepower:
Estimated 20-25 HP (varies by year and tuning)
Torque:
Estimated 18-20 lb-ft (varies by year)
Fuel Type:
Unleaded gasoline (minimum 87 octane recommended)
Fuel Mixture:
Pre-mix (gasoline and 2-stroke oil)
Oil Mixture Ratio:
Typically 50:1 (refer to manual for exact specification)
Type:
6-speed manual with reverse
Clutch:
Wet multi-disc clutch
Gear Ratios:
Detailed gear ratios are provided within the manual for each gear and reverse.
Final Drive:
O-ring sealed chain drive
Transmission Oil Type:
Yamaha Gear Oil 10W-30 or equivalent SAE 80 API GL-4 hypoid gear oil (refer to manual for exact specification)
Transmission Oil Capacity:
Approximately 0.7 Liters (refer to manual for exact specification)
Length:
Approx. 1750 mm (may vary slightly by year)
Width:
Approx. 1100 mm (may vary slightly by year)
Height:
Approx. 1000 mm (may vary slightly by year)
Dry Weight:
Approx. 147 kg (may vary slightly by year)
Curb Weight:
Approx. 157 kg (with all fluids)
Fuel Capacity:
9.0 Liters (including reserve, may vary)
Oil Capacity:
0.6 Liters (for separate oil tank, may vary)
Oil Change Engine:
Check oil level frequently; refer to manual for specific replacement intervals for pre-mix or separate oil injection systems.
Air Filter Cleaning:
Clean and service air filter regularly, especially in dusty conditions (e.g., every 5-10 operating hours).
Spark Plug Replacement:
Recommended replacement every 1,000-2,000 km or as needed based on inspection.
Chain Lubrication:
Lubricate drive chain every 500 km or after riding in wet conditions.
Engine Oil Type:
High-quality 2-stroke oil specifically designed for air or liquid-cooled engines (use in pre-mix or injection system as applicable).
Brake Fluid Type:
DOT 3 or DOT 4 hydraulic brake fluid.
Cooling System Fluid:
If liquid-cooled: Mixture of antifreeze and distilled water (refer to manual for specific ratio and type).
Common Problems:
Potential for wear on suspension components, carburetor tuning sensitivity, reed valve wear, and cooling system maintenance (if liquid-cooled).
Tune Up Recommendations:
Regular carburetor cleaning and adjustment, ignition system checks, and exhaust port cleaning are beneficial for optimal performance.
Heritage:
Yamaha has a long-standing reputation for producing high-performance motorcycles and powersports vehicles, known for their engineering and reliability.
Evolution:
The YFS 200 Blaster was a significant model in Yamaha's ATV lineup, evolving over its production run with minor updates to styling, suspension, and some engine components. It set a benchmark for its class.
Key Changes:
While core design remained consistent, minor improvements in suspension, braking, and aesthetics were introduced across model years.
Production Period:
1988-2006