Target Audience:
Enthusiasts, DIY mechanics, and professional service technicians working on Yamaha YFS200 Blaster ATVs.
Manual Value Proposition:
Provides essential, detailed technical information that is critical for maintaining and repairing a popular and long-running ATV model, saving owners significant costs compared to dealership service.
Manual Benefit:
Empowers owners and mechanics with the knowledge to perform a wide range of service tasks, enhancing reliability and performance of the YFS200 Blaster.
Content Focus:
Emphasizes detailed, step-by-step instructions and critical specifications, crucial for the proper functioning of a two-stroke engine and ATV drivetrain.
Applicable Model Years:
1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
Covered Variants:
All YFS200 Blaster models
Estimated Page Count:
Comprehensive (specific count not provided in product data, but typical for full service manuals)
Manual Type:
Service Manual / Repair Manual
Engine System:
Complete engine disassembly, assembly, inspection, and repair procedures for the 195cc two-stroke engine, including top-end, bottom-end, cooling, lubrication, and fuel systems.
Transmission System:
Detailed procedures for the 6-speed manual transmission, including clutch operation, gearbox inspection, gear replacement, and related components.
Chassis And Suspension:
Coverage of front and rear suspension systems, steering components, A-arms, shocks, hubs, and alignment procedures.
Electrical System:
Wiring diagrams, component testing, troubleshooting for ignition system, lighting, battery, charging system, and starter.
Braking System:
Procedures for front and rear hydraulic disc brake systems, including caliper service, master cylinder overhaul, brake line replacement, and bleeding.
Fuel System:
Carburetor (Mikuni VM26SS) disassembly, cleaning, adjustment, jetting information, fuel tank, and fuel lines.
Exhaust System:
Details on the exhaust pipe, silencer, and mounting hardware.
Body And Frame:
Instructions for body panel removal and installation, seat, handlebars, and frame inspection.
Cooling System:
Air cooling system specifics for the two-stroke engine.
Routine Maintenance:
Oil change intervals, spark plug inspection/replacement, air filter cleaning/replacement, chain adjustment and lubrication, and general lubrication points.
Troubleshooting Guides:
Systematic diagnostic procedures for common and uncommon problems, with symptom-based troubleshooting trees.
Rebuild Procedures:
Step-by-step instructions for complete engine rebuilds, including piston, ring, cylinder, crankshaft, and bearing replacement.
Adjustment Procedures:
Carburetor tuning, clutch adjustment, brake lever adjustment, chain tension adjustment.
Disassembly And Assembly:
Detailed instructions for taking apart and putting back together all major components and systems.
Torque Specifications:
Essential torque values for critical fasteners throughout the ATV.
Depth Of Coverage:
Comprehensive: From basic owner maintenance to in-depth mechanical diagnostics and complete component overhauls.
Engine Type:
Two-stroke, reed valve, single-cylinder
Displacement:
195cc (11.89 cubic inches)
Bore X Stroke:
66.0 mm x 57.0 mm (2.60 in x 2.24 in)
Cooling System:
Air-cooled
Ignition Type:
CDI (Capacitor Discharge Ignition)
Estimated Horsepower:
Approx. 16-19 HP (Varies by year and specific tuning)
Estimated Torque:
Approx. 14-16 lb-ft (Varies by year and specific tuning)
Carburetor Model:
Mikuni VM26SS
Fuel Type:
Unleaded gasoline (min. 87 octane recommended)
Oil Mixture:
Pre-mix or Oil Injection (depending on specific model year, manual will detail correct ratio/system)
Overall Length:
Approx. 69.5 in (1765 mm)
Overall Width:
Approx. 43.7 in (1110 mm)
Overall Height:
Approx. 41.5 in (1055 mm)
Wheelbase:
Approx. 47.2 in (1200 mm)
Dry Weight:
Approx. 324 lbs (147 kg)
Fuel Capacity:
Approx. 3.2 gal (12 L)
Oil Capacity:
Approx. 1.4 L (for oil injection system, if equipped)
Atv Safety Considerations:
As an ATV, safety relies on rider skill, appropriate protective gear, and adherence to trail regulations. The manual would emphasize safe operating practices.
Braking System:
Hydraulic disc brakes front and rear for effective stopping power.
Handlebar Design:
Provides control and leverage for steering and maneuvering.
Frame Construction:
Durable steel frame for stability.
Infotainment Features:
N/A (Basic recreational ATV, no digital infotainment systems)
Driver Assistance Features:
N/A (Basic recreational ATV, no electronic driver assistance)
Connectivity Features:
N/A (Basic recreational ATV, no connectivity features)
Engine Oil Change:
Refer to manual for specific interval based on operating hours or mileage; typical for 2-strokes involves regular checks and changes of gear oil.
Air Filter Cleaning:
Frequent cleaning recommended, especially in dusty conditions (e.g., every few rides or as specified).
Spark Plug Inspection:
Inspect and clean/gap regularly, replace as needed based on performance or fouling.
Chain Lubrication Adjustment:
Lubricate and adjust chain tension at regular intervals, as specified in the manual.
Engine Oil Type:
Yamalube 2-stroke oil or equivalent API TC, JASO FD certified, specifically formulated for water-cooled or high-performance 2-stroke engines; use in correct ratio if premixing or in oil injection system.
Gearbox Oil Type:
Yamalube Gear Oil (e.g., SAE 80W/90 API GL-4) or equivalent specified viscosity and API rating.
Brake Fluid Type:
DOT 3 or DOT 4 hydraulic brake fluid.
Common Wear Items:
Clutch plates, piston rings, crank seals, and carburetor jets can wear over time and require replacement. Overheating due to airflow obstruction or improper jetting can lead to engine damage.
Carburetor Tuning:
The Mikuni VM26SS carburetor is known for requiring precise tuning for optimal performance and to prevent bogging or lean conditions. Altitude and temperature changes necessitate jetting adjustments.
Two Stroke Maintenance:
Proper fuel/oil mixture, clean air filter, and regular decarbonization of the exhaust port and piston crown are critical for maintaining the health of the two-stroke engine.
Yamaha Atv Legacy:
Yamaha has a long history of producing reliable and performance-oriented ATVs, with the Blaster being a key model in its sport ATV lineup.
Blaster Introduction:
The YFS200 Blaster was introduced to the market as an accessible, sporty, and fun-to-ride ATV, targeting younger riders and those new to the sport ATV segment.
Key Design Philosophy:
Simplicity, lightweight design, and a peppy two-stroke engine made it a popular choice for recreational riding and trail use.
Production Period:
1988 - 2006, indicating a long and successful production run, which is why a comprehensive service manual covering this span is valuable.
Manufacturing Origin:
Primarily manufactured in Japan, known for Yamaha's quality standards.
