Model Variants:
YSF200, YSF200U, YSF200W, YSF200A, YSF200B, YSF200B-MNH, YSF200D, YSF200D-MNH, YSF200E, YSF200E-MNH, YFS200G-MNH, YSF200G, YSF200H, YSF200H-MNH, YSF200J, YSF200J-MNH, YSF200K, YSF200L, YSF200M
Years Covered:
1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
Segment:
Recreational ATV
Target Audience:
Enthusiasts, recreational riders, and DIY mechanics seeking to maintain and repair their Yamaha Blaster.
Competitors:
Other 2-stroke sport ATVs of the era, such as Suzuki LT250R, Honda TRX250R.
Ease Of Use:
Designed for user-friendly operation and accessibility, making it a popular choice for entry-level riders.
Manual Value:
Essential resource for owners to perform maintenance, diagnose issues, and carry out repairs, saving time and money.
Engine:
Detailed procedures for disassembly, inspection, repair, and reassembly of the 200cc 2-stroke engine.
Fuel System:
Carburetor tuning, cleaning, and overhaul; fuel tank and petcock service; fuel line maintenance.
Cooling System:
Air cooling system inspection and maintenance.
Transmission:
Clutch operation, adjustment, and repair; gearbox inspection and maintenance.
Final Drive:
Chain drive maintenance, adjustment, and replacement; rear axle service.
Body And Frame:
Frame inspection and repair; plastic body panel removal, installation, and repair; seat and fender service.
Steering And Suspension:
Handlebar and steering column service; front and rear suspension component inspection, adjustment, and replacement (shocks, A-arms).
Brakes:
Front and rear brake system maintenance, including hydraulic fluid flush, pad replacement, caliper service, and drum brake adjustment.
Electrical:
Ignition system troubleshooting and repair; lighting system service; battery maintenance; starter system diagnosis.
Wiring Diagrams:
Comprehensive, illustrated wiring diagrams for all electrical components.
Maintenance:
Routine maintenance tasks, including oil changes (if applicable, though typically 2-stroke pre-mix), air filter cleaning/replacement, spark plug service, and chain lubrication.
Troubleshooting:
Step-by-step diagnostic procedures for common issues, including hard starting, poor performance, electrical faults, and braking problems.
Repair:
Detailed, illustrated repair instructions for virtually every component of the Blaster YSF200.
Disassembly And Reassembly:
Clear guidance on removing and installing components in the correct sequence.
Depth:
Comprehensive, from basic maintenance to complete engine rebuilds and component overhauls.
Type:
2-stroke, single-cylinder
Displacement:
195cc (Actual displacement may vary slightly based on bore/stroke variations over years)
Bore X Stroke:
66.0 mm x 57.0 mm
Cooling System:
Air-cooled
Horsepower:
Approximately 20-25 HP (Varies by model year and tuning)
Torque:
Approximately 15-18 lb-ft (Varies by model year and tuning)
Carburetor:
Mikuni VM26SS (typically)
Fuel Delivery:
Gravity feed from fuel tank
Fuel Type:
Unleaded gasoline (91+ octane recommended), mixed with 2-stroke oil
Oil Mixture:
Pre-mix: typically 50:1 ratio with high-quality 2-stroke engine oil.
Air Filter:
Clean/inspect every 10-20 hours of operation, replace as needed.
Spark Plug:
Inspect/clean every 20-30 hours, replace every 100-150 hours or as needed.
Chain Tension:
Check and adjust every 10-20 hours of operation.
Brake Fluid:
Flush and replace every 12 months or as per manual recommendations.
Engine Oil:
Yamalube 2-stroke oil or equivalent meeting API TC, JASO FD specifications (50:1 ratio).
Brake Fluid:
DOT 3 or DOT 4 hydraulic brake fluid.
Carburetor Clogging:
Common issue due to fuel residue or contaminants, requires regular cleaning.
Clutch Slippage:
Can occur with wear or improper adjustment, requires clutch plate inspection and adjustment/replacement.
Electrical Connections:
Corrosion or loose connections can cause intermittent electrical issues.
Suspension Wear:
Bushings and bearings in suspension components can wear over time, affecting handling.
Yamaha Atv Legacy:
Yamaha has a long-standing reputation for producing reliable and performance-oriented ATVs.
Blaster Development:
The Blaster was introduced as a lightweight, sporty ATV that appealed to a wide range of riders, particularly younger enthusiasts.
Production Period:
1987 - 2006 (This manual covers 1987-2001).
Manufacturing Location:
Primarily Japan