The Yamaha Banshee 350, model code YFZ350, is an iconic performance ATV produced from 1987 to 2006. Renowned for its powerful 347cc two-stroke, liquid-cooled V-twin engine, this model has carved out a significant legacy in the off-road vehicle community. Its aggressive styling, combined with a 6-speed manual transmission and a robust liquid-cooled system, has made it a favorite for enthusiasts seeking thrilling performance and a direct connection to the terrain. The Banshee is celebrated for its engineering quality and reliability, offering a unique blend of power and agility that has solidified its status as a highly regarded machine.
This comprehensive Factory Service Repair Workshop Manual in English provides all necessary information for owners, DIY mechanics, and professional technicians. It covers all repairs, servicing, and troubleshooting procedures, offering step-by-step instructions, hundreds of detailed photos, diagrams, and exploded views. Key areas include complete engine overhauls, carburetor adjustments, transmission maintenance, electrical systems, chassis, and braking systems. The manual details regular servicing, diagnostic procedures for common issues, and rebuild procedures, ensuring optimal performance and longevity for your Yamaha Banshee 350.
Target Audience:
Owners, DIY mechanics, professional technicians
Value Proposition:
Comprehensive, factory-level information at a fraction of professional shop costs
Visual Aids:
Hundreds of detailed photos and diagrams, exploded views
Instruction Style:
Step-by-step instructions for accurate job completion
General Coverage:
All repairs, servicing, and troubleshooting procedures
Estimated Page Count:
Hundreds
Type:
Factory Service Repair Workshop Manual
Engine:
Complete engine overhaul, tuning, carburetor adjustment, cooling system
Transmission:
Clutch operation, gear shifting mechanism, gearbox maintenance
Electrical:
Ignition system, lighting, charging system, wiring diagrams
Chassis:
Frame, suspension (front and rear), steering system
Brakes:
Hydraulic brake system, caliper service, rotor replacement, bleeding procedures
Fuel System:
Fuel tank, fuel lines, fuel pump (if applicable), carburetor service
Exhaust System:
Exhaust pipe, muffler inspection and maintenance
Maintenance:
Regular servicing, oil changes, filter replacement, chain adjustment
Troubleshooting:
Diagnostic procedures for common and uncommon issues
Repair:
Step-by-step instructions for component replacement and repair
Rebuilds:
Complete engine and gearbox rebuild procedures
Depth:
Comprehensive from basic maintenance to complete engine and gearbox rebuilds
Compatibility:
Windows and MAC Computers
Printable:
Yes, single pages or entire manual
Binding:
Digital Download (PDF)
Paper Type:
Not Applicable (Digital)
Usage License:
Lifetime use on unlimited devices, no expiry
Engine Type:
Two-stroke, liquid-cooled, reed valve inducted, V-twin
Bore X Stroke:
64 mm x 54 mm (Typical for this generation)
Compression Ratio:
6.6:1 (Typical)
Horsepower:
Approximately 50 HP (Varies by year and tuning)
Torque:
Approximately 33 lb-ft (Varies by year and tuning)
Carburetor Type:
Dual Mikuni VM26SS (Common)
Fuel Type:
Unleaded gasoline (91 octane or higher recommended)
Fuel Mixture:
Pre-mix oil/gasoline (typically 50:1 ratio)
Ignition Type:
CDI (Capacitor Discharge Ignition)
Cooling Method:
Liquid-cooled
Coolant Type:
Ethylene glycol-based antifreeze coolant (50% mixture)
Transmission Type:
6-speed manual with reverse
Clutch Type:
Wet, multi-plate
Gear Ratios:
Detailed gear ratios for all 6 speeds and reverse available in manual
Transmission Oil Type:
Yamalube 2R (or equivalent 2-stroke oil for premix) and Yamalube Gear Oil (for gearbox)
Length:
Approx. 70.9 inches (1800 mm)
Width:
Approx. 45.3 inches (1150 mm)
Height:
Approx. 43.1 inches (1095 mm)
Dry Weight:
Approx. 390 lbs (177 kg)
Fuel Capacity:
Approx. 3.2 gallons (12 liters)
Braking System:
Hydraulic disc brakes front and rear
Tire Sizes:
Front: AT21x7-10, Rear: AT20x11-9 (Common sizes, may vary slightly by year)
Features:
Basic instrumentation: speedometer, odometer, indicator lights
Features:
None (traditional performance ATV design)
Engine Oil Change:
Refer to manual for specific intervals based on riding conditions (e.g., every 20-40 hours of operation)
Spark Plug Replacement:
Refer to manual, typically every 100-200 hours
Air Filter Cleaning:
Frequent cleaning recommended, especially in dusty conditions
Gearbox Oil Capacity:
Refer to manual (typically around 0.8 liters)
Gearbox Oil Type:
Yamalube Gear Oil (or equivalent SAE 80W GL-4)
Coolant Capacity:
Refer to manual (typically around 1.6 liters)
Common Wear Items:
Clutch plates, piston rings, seals, bearings due to high-performance nature
Carburetor Tuning:
Requires precise tuning for optimal performance and reliability
Manufacturer:
Yamaha Motor Corporation
Legacy:
Iconic performance ATV known for its powerful engine and aggressive styling
Production Run:
1987-2006
Industry Standing:
Highly regarded in the performance ATV community for decades