Model Code:
YFZ350 series
Model Variants Covered:
Banshee, Banshee L.E., Banshee SE, Banshee SP
Model Codes Covered:
YFZ350P, YFZ350R, YFZ350S, YFZ350T, YFZ350SP, YFZ350LER, YFZ350LES, YFZ350SET, YFZ350SEV, YFZ350SPV
Production Years Covered:
2002, 2003, 2004, 2005, 2006
Category:
Sport all-terrain vehicle (ATV)
Drivetrain:
Two-wheel drive, chain final drive
Target Audience:
Sport ATV riders, dune and trail enthusiasts, and DIY owners performing their own maintenance and repair
Role in Lineup:
Yamaha's flagship high-performance two-stroke sport ATV
Engine:
Liquid-cooled 350cc two-stroke parallel twin derived from the RD350 street bike
Power Delivery:
High-revving two-stroke character with distinctive twin exhaust
Suspension:
Long-travel front and rear suspension tuned for dunes and aggressive trail riding
Standout Trait:
The only production sport ATV of its era with a twin-cylinder two-stroke engine
Aftermarket Support:
Extremely large aftermarket and modification community
Delivery Method:
Instant download - link sent to your computer in seconds after payment
Software Required:
None - any standard PDF viewer included with your computer, tablet, or smartphone
Device Compatibility:
Computer, tablet, or smartphone; save to desktop or downloads folder forever
Manual Type:
Factory service manual (repair book) for the complete vehicle
Presentation:
Appears identical to a printed repair book bought in a store
Structure:
Chapters start with system illustrations, diagrams, exploded parts views, pictures, service information, and troubleshooting; subsequent pages give detailed step-by-step repair procedures
Page Count:
N/A - not specified for this manual
Chapters Covered:
General Information, Maintenance, Fuel System, Cooling System, Engine, Transmission, Clutching, Final Drive, Body and Frame, Steering and Suspension, Brakes, Electrical, Wiring Diagrams, Troubleshooting
Engine:
Complete top-end and bottom-end service, removal, installation, and rebuild
Fuel System:
Carburetors, fuel tank, throttle, and fuel delivery service and tuning
Cooling System:
Radiator, coolant, water pump, and hoses inspection and service
Transmission:
Gearbox disassembly, inspection, and reassembly
Clutch:
Clutch removal, plate inspection, adjustment, and installation
Final Drive:
Chain and sprocket service, adjustment, and replacement
Brakes:
Front and rear brake service, pad and disc inspection, bleeding
Steering and Suspension:
A-arms, shocks, steering stem, and tie-rod service
Body and Frame:
Fenders, plastics, frame inspection, and component removal/installation
Electrical:
Ignition, charging, starter, lighting, and switch testing
Wiring Diagrams:
Complete wiring diagrams for the covered model years
Procedure Style:
Detailed step-by-step removal and installation instructions for all components
Illustrations:
System illustrations, diagrams, exploded parts views, and photographs in every chapter
Specifications:
Torque specs, service limits, and factory specifications throughout
Troubleshooting:
Dedicated troubleshooting and diagnostic sections per system plus a troubleshooting chapter
Scope:
Complete vehicle coverage from routine maintenance to full engine teardown and rebuild
Intended User:
Suitable for professional technicians and DIY owners alike
Applicability:
All chapters apply to the whole vehicle and all covered model variants
Exploded Views:
Exploded parts diagrams show component relationships for correct assembly
Part Identification:
Components identified in illustrations to support correct ordering and reassembly
Torque Data:
Fastener torque specifications provided with each procedure
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
Cooling:
Liquid-cooled with radiator
Lubrication:
Autolube oil injection system with premix option
Carburetion:
Twin Mikuni carburetors, one per cylinder
Character:
High-revving two-stroke powerband; strongest in the mid-to-top range
Ignition:
CDI electronic ignition
Rated Output:
N/A - Yamaha did not publish a horsepower figure for this ATV
Fuel Delivery:
Dual carburetors
Fuel Tank Capacity:
Approximately 3.2 gallons
Recommended Fuel:
Regular unleaded gasoline; premium or race fuel for high-compression modified builds
Standard Transmission:
6-speed constant-mesh manual gearbox
Clutch:
Wet, multi-plate manual clutch
Final Drive:
Chain drive to rear axle
Shifting:
Foot-operated sequential shifter
Gearing Character:
Close-ratio sport gearing suited to dunes and trails
Manual Coverage:
Full disassembly, inspection, and reassembly procedures included in the manual
Wheelbase:
Approximately 54.1 inches
Overall Length:
Approximately 73.2 inches
Overall Width:
Approximately 43.1 inches
Overall Height:
Approximately 43.1 inches
Ground Clearance:
Approximately 5.3 inches
Curb Weight:
Approximately 386 lbs
Weight Class:
Lightweight for a twin-cylinder sport ATV of its era
Crash Test Information:
N/A - ATVs are not subject to passenger-vehicle crash test ratings
Front Brakes:
Dual hydraulic disc brakes
Rear Brakes:
Hydraulic disc brake
Lighting:
Headlight and taillight
Engine Kill Switch:
Tether-type or handlebar-mounted engine stop switch
Footpegs:
Gripping footpegs for rider control
Owner Guidance:
Manual includes safety-related torque specs and inspection procedures to keep braking and steering systems within service limits
Instrumentation and Audio
Audio System:
N/A - sport ATV, no factory audio system
Instrumentation:
Basic indicator lighting; no digital dash on this model
Driver Assistance Systems:
N/A - not applicable to ATVs of this era
Electrical Technology:
CDI ignition and autolube oil injection were the notable factory technologies
General Schedule:
Maintenance chapter includes factory service interval tables for the covered years
Common Items:
Spark plugs, carburetor cleaning and sync, chain adjustment, brake inspection, and coolant service
Two-Stroke Oil:
Autolube injection reservoir level checks at every ride; periodic system inspection
Transmission Oil:
Yamaha-specified gear/transmission oil with stated capacity in the manual
Coolant:
High-quality ethylene glycol antifreeze per factory specification
Two-Stroke Oil:
Yamaha 2-stroke injection oil or equivalent for the autolube system
Brake Fluid:
DOT-specified hydraulic brake fluid per manual
Known Issues / Common Wear
Top End Wear:
Two-stroke pistons, rings, and cylinder plating are regular wear items; rebuild intervals depend on use
Carburetors:
Twin carburetors benefit from periodic cleaning and synchronization
Clutch and Chain:
Clutch plates and drive chain/sprockets are common replacement items
Crank Seals:
Crankshaft seals can age and cause lean-running symptoms on older machines
Manufacturer:
Yamaha Motor Company, Japan
Engine Heritage:
The 350 twin engine architecture traces to Yamaha's RD350 two-stroke street bike lineage
Model Run:
Banshee 350 produced from 1987 through 2006, one of the longest-running sport ATVs
Covered Era:
2002-2006 final-generation models, largely carried over year to year with minor trim changes
Variant Naming:
L.E. (Limited Edition), SE (Special Edition), and SP trim designations across covered years
Production Location:
N/A - assembly plant not specified for these model years
Industry Status:
Widely regarded as one of the most iconic sport ATVs ever built
Longevity:
20-year production run (1987-2006) with a devoted owner and racing community
Dune Legacy:
Long celebrated as the definitive dune-riding ATV of its era
Formal Awards:
N/A - specific award titles not documented for these model years