Target Audience:
Entry-level sport ATV riders, younger riders, and trail riders
Market Segment:
Lightweight two-stroke sport quad
Main Competitors:
Honda TRX250X/300EX, Suzuki QuadSport 160/230
Key Advantage:
Simple air-cooled two-stroke engine that is inexpensive and easy to modify and repair
Reputation:
One of the best-selling sport ATVs of its era, known for reliability and low weight
Engine:
195cc air-cooled two-stroke single
Transmission:
6-speed manual clutch
Suspension:
Independent double wishbone front with rear swingarm
Brakes:
Dual hydraulic front discs with sealed rear drum
Coverage Areas:
Complete teardown, inspection, repair, and reassembly of all major systems
Manual Type:
Factory-style repair and service manual
Delivery Method:
Instant digital download
Compatibility:
Windows, Mac, tablet, and smartphone PDF readers
Printing:
Fully printable; print single pages or the entire manual
Engine:
Top-end and bottom-end overhaul, cylinder, piston, crankshaft, reed valve
Fuel and Carburetion:
Carburetor removal, disassembly, cleaning, and jetting specifications
Lubrication:
Oil injection system and two-stroke premix specifications
Cooling:
Air-cooled cylinder and head fin inspection and cleaning
Exhaust:
Expansion chamber and spark arrestor service
Transmission and Clutch:
6-speed gearbox, clutch, and shift mechanism overhaul
Final Drive:
Drive chain adjustment, lubrication, and replacement
Electrical:
Ignition system, CDI unit, stator, lighting, and wiring diagrams
Chassis and Suspension:
Front A-arms, rear swingarm, shock inspection, and bearings
Steering:
Steering stem, tie rods, and handlebar service
Brakes:
Front disc calipers, master cylinder, and rear drum brake service
Wheels and Tires:
Wheel inspection, tire replacement, and torque specs
Step-by-Step Instructions:
Illustrated step-by-step disassembly and reassembly procedures
Troubleshooting:
Symptom-based charts for no-start, running, and driveability problems
Torque Specifications:
Complete fastener torque tables for engine and chassis
Special Tools:
Required and alternative special tool listings
Maintenance Schedules:
Periodic inspection and lubrication intervals
Parts Information:
Exploded diagrams with part identification for correct ordering
Technical Depth:
Written to factory workshop manual standard for professional and DIY use
File Format:
PDF (searchable, bookmarked, zoomable)
Compatibility:
Windows, macOS, Linux, iOS, and Android — any device with a PDF reader
Requirements:
A PDF reader application (e.g. Adobe Acrobat Reader, free)
Searchability:
Fully text searchable for fast lookup of any topic
Print Quality:
High-resolution digital pages, printable at full clarity
Binding Type:
N/A — digital download, no physical binding
Paper Type:
N/A — digital download, no physical paper
Wheelbase:
Approximately 43.3 in (1,100 mm)
Overall Length:
Approximately 68.9 in (1,750 mm)
Ground Clearance:
Approximately 4.7 in (120 mm)
Seat Height:
Approximately 29.1 in (740 mm)
Curb Weight:
Approximately 320 lb (145 kg)
Fuel Capacity:
Approximately 2.4 US gal (9 L)
Crash Test Ratings:
N/A - ATVs are not crash tested like road vehicles
Engine Kill Switch:
Handlebar-mounted tether-type engine stop switch
Parking Brake:
Lockable parking brake lever
Throttle:
Throttle override system for stuck-throttle safety
Operator Advisory:
Recommended for riders 16 and older with proper ATV safety training
Engine Oil (Injection Tank):
Check before every ride; refill as required
Spark Plug:
Inspect/replace regularly; frequent plug checks are typical for two-strokes
Air Filter:
Clean and oil after every few rides, especially in dusty conditions
Carburetor:
Clean periodically; drain float bowl for storage
Drive Chain:
Lubricate and check slack before each ride
Coolant:
N/A - air-cooled engine uses no coolant
Known Issues and Wear Items
Common Wear:
Piston and ring wear on hard-used two-stroke engines
Known Issues:
Carburetor gumming from stored fuel; electrical connector corrosion
Chassis Wear:
A-arm and swingarm bushings, and rear brake drum adjustment
Manufacturer:
Yamaha Motor Company, founded 1955, Japan
Model Introduction:
Blaster introduced in 1988 as an entry-level sport ATV
Evolution:
Largely unchanged mechanical design through 2002; updated styling and safety features from 2003; discontinued after 2006
Production Location:
N/A - assembly location not specified in the manual
Legacy:
One of the longest-running and most popular two-stroke sport ATVs ever sold
