Target Audience:
ATV enthusiasts, dune riders, and off-road sport riders seeking a high-performance two-stroke machine
Owner Type:
DIY owners and professional technicians performing their own service and rebuilds
Key Advantage:
Twin-cylinder two-stroke engine with a lightweight chassis, giving a power-to-weight ratio few sport ATVs of its era matched
Market Standing:
Long-running sport ATV platform with strong aftermarket support and a dedicated following
Engine:
347cc liquid-cooled parallel-twin two-stroke
Chassis:
Lightweight sport chassis with long-travel suspension
Support:
Extensive parts availability and established tuning community
Coverage Areas:
Full workshop repair coverage including engine, chassis, electrical, and drivetrain procedures
Manual Type:
Workshop / Service Repair Manual
Delivery Method:
Instant digital download
Binding:
Digital (no physical binding)
Compatibility:
Viewable on computers, tablets, and smartphones with a PDF reader
Engine:
Complete teardown, inspection, machining limits, and rebuild of the 347cc twin-cylinder two-stroke
Cooling System:
Radiator, coolant pump, hoses, and thermostat service
Fuel System:
Carburetor disassembly, cleaning, tuning, and fuel tank/petcock service
Ignition System:
CDI unit, ignition coil, stator, and spark plug procedures
Electrical System:
Full wiring diagrams, lighting, and charging circuit diagnostics
Transmission and Clutch:
Six-speed gearbox and clutch removal, inspection, and reassembly
Drive Train:
Final drive and chain service
Front Suspension:
Double wishbone front suspension disassembly and rebuild
Rear Suspension:
Swingarm and rear shock service
Wheels and Brakes:
Wheel, tire, drum and disc brake inspection and service
Steering:
Steering stem and tie-rod alignment procedures
Frame and Body:
Frame inspection and fender/body panel removal
Step-by-Step Diagrams:
Detailed exploded views and step-by-step diagrams for all repair procedures
Torque Specifications:
Torque values provided for fasteners throughout the manual
Wiring Work:
Everything from re-wiring to rebuilding the engine is covered
Troubleshooting:
Diagnostic charts for engine, electrical, and drivetrain faults
Skill Level:
Written for both home mechanics and professional workshops
Detail Level:
Factory-level service detail including specifications and clearances
Engine Rebuild:
Full rebuild procedures with measurement and wear-limit data
Electrical:
Complete wiring diagrams for diagnostics and re-wiring
Part Numbers:
OEM part references included where applicable
Special Tools:
Required special tools identified in each procedure
Consumables:
Specified gaskets, seals, and fluids listed per procedure
Interchange Data:
N/A - verify fitment with your dealer for non-listed years
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
Engine Type:
347cc liquid-cooled two-stroke parallel-twin
Bore x Stroke:
64.0 mm x 54.0 mm (typical YFZ350 specification)
Cooling:
Liquid-cooled with radiator and coolant pump
Lubrication:
Premix or oil-injection depending on model year setup
Performance and Fuel System
Carburetion:
Twin slide carburetors
Fuel Type:
Premium unleaded gasoline; premix two-stroke oil where applicable
Ignition:
CDI (Capacitor Discharge Ignition)
Rated Output:
N/A - not specified for this manual
Wheelbase:
Approximately 1,280 mm (50.4 in) (typical Banshee figure)
Overall Length:
Approximately 1,800 mm (70.9 in) (typical Banshee figure)
Seat Height:
Approximately 760 mm (29.9 in) (typical Banshee figure)
Curb Weight:
Approximately 175 kg (386 lb) (typical Banshee figure)
Fuel Capacity:
Approximately 12 liters (3.2 US gal)
Ratings:
N/A - off-road ATVs are not crash tested by road-vehicle programs
Operator Requirement:
Helmet and protective gear strongly recommended; not designed for on-road use
Active and Passive Features
Braking:
Front disc and rear drum brakes (typical for this model)
Parking Brake:
Mechanical parking brake
Foot Protection:
Wide footpegs and running boards
Lighting:
Headlight and taillight for visibility
Audio System:
N/A - this is an off-road ATV with no audio system
Instrumentation and Assistance
Instrument Cluster:
Analog speedometer and indicator lights
Driver Assistance:
N/A - no electronic driver assistance on this model
Ignition:
Key-operated CDI ignition with kill switch
Engine Oil / Premix:
Two-stroke oil per premix ratio or oil-injection reservoir check each ride
Coolant:
Inspect before each ride; replace annually
Chain:
Lubricate and adjust regularly; inspect for wear each ride
Carburetor:
Clean and inspect at regular intervals, especially after storage
Transmission Oil:
Yamaha-specified gear oil per manual capacity chart
Coolant:
Quality ethylene-glycol antifreeze mixed per manual ratio
Two-Stroke Oil:
API TC-rated two-stroke oil
Known Issues and Wear Items
Common Wear:
Piston/rings, reed valves, and clutch plates on high-hour two-strokes
Cooling:
Radiator clogging and coolant pump seal wear
Carburetion:
Carb gumming after storage; jetting sensitive to altitude
Electrical:
Stator and CDI connections prone to corrosion in wet use
Manufacturer:
Yamaha Motor Company, Japan
Heritage:
Yamaha built its reputation on two-stroke performance across motorcycles and ATVs
Model Evolution and Production
Model Evolution:
Introduced in the late 1980s with a twin-cylinder two-stroke derived from Yamaha's RD/RZ motorcycle engines; carried forward with running updates through the 1990s and 2000s
Production Location:
Japan
Production Run:
Long continuous production run into the 2000s, making it one of the longest-lived sport ATVs
This Manual Covers:
1996 onwards models