Segment:
Entry-level to mid-range sport ATV, known for its fun factor and accessibility.
Target Audience:
Enthusiasts, hobbyists, and owners seeking to maintain or repair their own Yamaha Blaster.
Competitors:
Suzuki LT-Z90, Honda TRX90X, Polaris Scrambler 90 (though Blaster is often positioned slightly higher in performance in its era).
Design Philosophy:
Lightweight, agile, and user-friendly sport ATV, designed for trail riding and recreational use.
Manual Value Proposition:
Provides essential knowledge for cost-effective maintenance, repair, and customization, extending the life and performance of the vehicle.
Engine:
Comprehensive coverage of engine disassembly, assembly, tuning, and troubleshooting.
Transmission:
Detailed procedures for clutch, gearbox, and drivetrain maintenance and repair.
Suspension:
Information on front and rear suspension components, adjustments, and rebuilds.
Brakes:
Complete brake system maintenance, including hydraulic system bleeding, pad replacement, and caliper service.
Electrical System:
Wiring diagrams, troubleshooting guides for ignition, lighting, and charging systems.
Fuel System:
Carburetor service, fuel tank, and fuel line maintenance.
Cooling System:
Radiator, coolant, and fan system maintenance and repair.
Frame And Body:
Chassis inspection, body panel removal and installation, and ergonomics.
Troubleshooting:
Extensive diagnostic charts and problem-solving procedures for common issues.
Approximate Pages:
Hundreds of pages (specific number not provided in product description but indicative of a comprehensive manual).
Type:
Service Repair Manual
All Major Systems:
Covers all major mechanical, electrical, and body systems of the Yamaha Blaster.
Maintenance:
Regular scheduled maintenance, lubrication, inspections, and adjustments.
Repair:
Step-by-step repair procedures for virtually all components and systems.
Rebuild:
Detailed instructions for complete engine and transmission rebuilds.
Refurbish:
Guidance on restoring worn or damaged components and cosmetic elements.
Restoration:
Procedures for bringing a Blaster back to original specifications or custom enhancements.
Diagnostics:
Advanced diagnostic techniques and troubleshooting for performance issues.
Depth:
Comprehensive, covering everything from basic bolt checks to complete engine overhauls. Suitable for novice to expert mechanics.
Format:
PDF (Portable Document Format)
Searchability:
Typically searchable text within PDF for quick information retrieval.
Printability:
Printable pages for physical reference during repairs.
Image Resolution:
High-resolution images and diagrams for clarity (expected for a quality PDF manual).
Binding:
N/A (Digital PDF download)
Paper Type:
N/A (Digital PDF download)
Type:
2-stroke, air-cooled
Displacement:
195cc (typically for the YFS200 model)
Bore X Stroke:
66 mm x 57 mm (typical for YFS200)
Compression Ratio:
6.6:1 (typical for YFS200)
Carburetor:
Mikuni VM26SS (typical for YFS200)
Horsepower:
Approximately 15-20 HP (depending on specific model year and tuning)
Torque:
Not explicitly stated, but characterized by strong low-to-mid range power for its class.
Fuel Type:
Unleaded gasoline (minimum 87 octane recommended)
Fuel Mixture:
Pre-mix (typically 50:1 ratio of unleaded gasoline to 2-stroke engine oil).
Type:
5-speed manual with automatic clutch (or manual clutch depending on specific model variant).
Clutch System:
Automatic centrifugal clutch (most common) or manual clutch lever.
Gear Ratios:
Detailed gear ratios are provided within the manual for performance tuning and diagnostics.
Transmission Oil:
Yamalube 10W-30 or equivalent SAE 10W-30 API SE, SF, or SG type engine oil for the crankcase (manual will specify precise type and capacity).
Length:
Approximately 1705 mm (67.1 in) for YFS200
Width:
Approximately 1090 mm (42.9 in) for YFS200
Height:
Approximately 1010 mm (39.8 in) for YFS200
Seat Height:
Approximately 790 mm (31.1 in) for YFS200
Dry Weight:
Approximately 163 kg (359 lbs) for YFS200
Fuel Capacity:
Approximately 9.0 L (2.4 US gal) for YFS200
Atv Safety Standards:
Designed to meet relevant ATV safety standards of its era; manual will detail safe operation practices.
Throttle Limiter:
May feature a throttle limiter screw for new riders (details in manual).
Handlebars:
Handlebar design for control and grip.
Footwells:
Wide, non-slip footwells for rider security.
Lighting:
Headlight and taillight for visibility.
Oil Change:
Every 100 hours or annually (manual will provide precise interval for crankcase oil).
Air Filter:
Clean or replace as needed based on operating conditions (e.g., every 20-40 hours).
Spark Plug:
Inspect and gap every 50 hours, replace annually or as needed.
Chain Adjustment:
Check and adjust tension every 20 hours.
2 Stroke Oil:
Yamalube 2-stroke oil or equivalent, pre-mix ratio 50:1.
Brake Fluid:
DOT 3 or DOT 4 hydraulic brake fluid (manual will specify precise type).
Coolant:
Not applicable (air-cooled engine).
Carburetor Fouling:
Common issue due to fuel quality or infrequent use; manual covers cleaning and tuning.
Top End Wear:
As with any 2-stroke, regular maintenance of piston rings and cylinder is crucial; manual details rebuild procedures.
Electrical Connections:
Corrosion or loose connections can cause intermittent issues; manual provides wiring diagrams.
Suspension Bushings:
Wear on suspension bushings can lead to play and poor handling; manual covers replacement.
Yamaha Atv Legacy:
Yamaha has a long-standing reputation for building reliable and performance-oriented ATVs across various segments.
Blaster Introduction:
Introduced in the mid-1980s as a sport-oriented, affordable ATV, quickly gaining popularity among younger riders and enthusiasts.
Key Updates:
Over its production run, the Blaster (YFS200) received minor updates to suspension, braking, and styling, but the core powertrain and chassis remained largely consistent.
Production Years:
Originally produced from 1987 to 2006 (though this manual covers up to 2001).
Manufacturing Location:
Typically manufactured in Japan or other Yamaha facilities globally.
