Market Position:
The Yamaha Blaster YFS200P was a popular entry-level to mid-tier sport ATV known for its approachable nature and ease of use. This manual caters to owners and technicians looking for detailed information to maintain and repair this specific model.
Competitors:
Suzuki LT-Z250, Honda TRX250EX, Kawasaki KSF250 Mojave (earlier models)
Key Features:
Lightweight chassis, torquey 2-stroke engine, rider-friendly ergonomics, manual clutch operation.
Applicable Years:
2001, 2002, 2003, 2004, 2005, 2006
Coverage Areas:
Complete repair and maintenance for Yamaha Blaster YFS200P
Scope:
Covers all aspects of repair and maintenance, from minor adjustments to major component overhauls.
Manual Type:
Workshop Service Manual / Repair Manual
File Format:
PDF Download
Digital Delivery:
Instant PDF Download upon payment completion.
Systems Covered:
Engine (top end, bottom end), Fuel System, Cooling System, Ignition System, Chassis, Suspension (front and rear), Brakes (front and rear), Drivetrain, Electrical System, Frame, Bodywork, Steering, Wheels and Tires, Lubrication System, Special Tools
Electrical System Coverage:
Includes detailed wiring diagrams, component testing, and diagnostic procedures for the lighting, ignition, and charging systems.
Chassis And Bodywork:
Covers frame inspection, plastic body panel removal/installation, and related components.
Procedures Included:
Routine Maintenance, Troubleshooting, Diagnosis, Component Removal and Installation, Disassembly and Assembly, Adjustment Procedures, Repair Procedures, Overhaul Procedures, Specifications and Data, Torque Values, Wear Limits, Wiring Diagrams, Exploded Views, Pictorial Diagrams
Troubleshooting Guidance:
Provides systematic troubleshooting steps for common problems and electrical issues.
Special Tool Identification:
References specific Yamaha special service tools (SSTs) with illustrations for their application in various repair procedures.
Engine Rebuild:
Detailed procedures for cylinder head, piston, crankshaft, and gearbox overhaul.
Technical Depth:
Comprehensive, from basic adjustments to complete engine rebuilds. Includes detailed step-by-step instructions, special tool requirements, and factory specifications.
Pictorial Illustrations:
Richly illustrated with pictorial diagrams, exploded views, and photographs to aid understanding of procedures.
Bore X Stroke:
66.0 mm x 57.0 mm
Compression Ratio:
7.4:1 (approximate, subject to specific manual data)
Horsepower:
Estimated 18-22 HP (varies by tuning and specific model year)
Torque:
Not explicitly stated in product info, but known for good low-end grunt.
Carburetor Type:
Mikuni VM26SS (typically)
Fuel Type:
Unleaded gasoline (minimum octane rating specified in manual, typically 87 or higher)
Cooling Method:
Liquid-cooled
Oil Mixing Ratio:
50:1 (Yamalube 2-stroke oil to gasoline) is common, but manual will confirm exact ratio for specific oil types.
Infotainment Features:
Basic instrumentation (speedometer, odometer, neutral light, oil indicator, engine temp light). No advanced infotainment systems are present.
Driver Assistance Features:
None. This is a mechanical sport ATV.
Initial Service:
Recommended at 300 miles or 3 months (refer to manual for specifics)
Oil Change Interval:
Every 1000 miles or 6 months (manual specified, varies with usage)
Air Filter Cleaning:
Regular inspection and cleaning, especially in dusty conditions (e.g., every 500 miles or as needed).
Engine Oil Type:
Yamalube 2-stroke oil or equivalent API-TC, JASO FD/FC rated
Transmission Oil Type:
Yamalube 10W-30 API SG or equivalent
Coolant Type:
Ethylene glycol-based antifreeze mixed with distilled water (50/50 ratio)
Common Issues:
Carburetor performance issues (clogging, jetting), rear shock absorber wear, chain adjustment and wear, clutch engagement problems, some electrical connector corrosion, potential for overheating if cooling system is neglected.
Spark Plug Gap:
0.6-0.7 mm (refer to manual for exact type and gap)
Tire Pressure Front:
Typically 4-5 psi (refer to manual or tire sidewall)
Tire Pressure Rear:
Typically 3-4 psi (refer to manual or tire sidewall)
Chain Slack:
10-20 mm (refer to manual for precise measurement)
Clutch Free Play:
Specific adjustment procedure and measurement detailed in the manual.
Front Suspension Type:
Independent double-wishbone with adjustable spring preload.
Rear Suspension Type:
Swingarm with adjustable monoshock.
Brand Heritage:
Yamaha has a long-standing reputation for producing reliable and performance-oriented powersports vehicles, including ATVs, motorcycles, and snowmobiles. The Blaster builds upon this legacy with a focus on the sport ATV segment.
Model Evolution:
The Blaster (YFS200) was introduced in the early 1990s and received minor updates throughout its production run. The 2001-2006 models represent the later stages of this generation, incorporating refinements based on market feedback and evolving regulations. Key updates over its lifespan often included chassis changes, styling revisions, and minor engine tuning.
Production Period:
1988-2006 (North America)