Segment:
Mid-size Utility ATV
Target Audience:
Recreational riders, farmers, ranchers, hunters, and light utility users.
Competitors:
Honda Rancher, Suzuki King Quad, Polaris Sportsman.
Atv Features:
Known for its reliable performance, comfortable ride, and 4WD capability.
Engine:
Engine, Fuel System, Lubrication, Cooling
Electrical:
Electrical System, Ignition, Charging, Lighting, Starting
Drivetrain:
Transmission, Drivetrain Components, Axles, Driveshafts
Suspension Steering:
Suspension System (Front & Rear), Steering System, Wheel Alignment
Brakes:
Brake System (Front & Rear), Hydraulic Components
Bodywork:
Chassis, Body Panels, Bodywork Repairs, Interior Components
Troubleshooting:
Diagnostic Procedures, Troubleshooting Guides for Common Issues
Maintenance:
Scheduled Maintenance, Oil Changes, Filter Replacements, Adjustments
Repair Rebuild:
Engine Rebuilds, Transmission Overhaul, Component Replacement
Diagnostics:
Electrical Diagnostics, Fuel System Troubleshooting, Mechanical Diagnosis
Specifications:
Torque Specifications, Clearances, Fluid Capacities, Wiring Diagrams
Depth:
Comprehensive: From basic routine maintenance to complete engine and transmission overhauls and advanced electrical system troubleshooting.
Searchability:
Likely text-searchable PDF for quick information retrieval.
Quality:
High-quality, factory-approved information with clear diagrams.
Binding:
N/A (Digital Download)
Paper:
N/A (Digital Download)
Access:
Instant access via digital download.
Compatibility:
Viewable and printable on any device (PC, tablet, smartphone).
Type:
4-Stroke, SOHC, 2-Valve, Air-Cooled
Displacement:
421 cc (25.7 cu. in.)
Bore X Stroke:
84.5 mm x 75.0 mm (3.33 in. x 2.95 in.)
Carburetor:
Mikuni BSR33/1, 33mm, with Throttle Position Sensor (TPS)
Ignition:
CDI (Capacitor Discharge Ignition)
Horsepower Estimated:
Approx. 20-25 HP (actual figures vary)
Torque Estimated:
Approx. 25-30 lb-ft (actual figures vary)
Fuel Type:
Unleaded gasoline, 87 octane or higher
Fuel Tank Capacity:
3.8 gal (14.5 L)
Oil Type:
Yamalube 4 (or equivalent) SAE 10W-40 API SG or higher
Oil Capacity With Filter:
2.20 qt (2.1 L)
Cooling Method:
Air-cooled
Features:
Basic instrumentation: Speedometer, odometer, trip meter, hour meter, fuel gauge, 2WD/4WD indicator, neutral/reverse indicator.
Features:
Yamaha Ultramatic® transmission with engine braking for superior control.
Features:
N/A (No modern electronic connectivity features typically found on this model year.)
Initial Service:
First service typically recommended at 10-20 hours or 100-200 miles for initial break-in checks and oil change.
Engine Oil Change:
Every 100 hours or 6 months (whichever comes first), or more frequently under severe use.
Air Filter Cleaning:
Check/clean every 20 hours or 2 months; replace as needed.
Spark Plug Replacement:
Recommended every 1 year or 200 hours.
Engine Oil:
Yamalube 4 (or equivalent) SAE 10W-40 API SG or higher
Gear Oil:
Yamaha Differential and Transmission Gear Oil (or equivalent) SAE 80 API GL-4
Common Wear Items:
Brake pads, tires, drive belts (Ultramatic®), wheel bearings.
Potential Problems:
Carburetor cleaning and adjustment, starter motor issues, occasional electrical connector corrosion depending on operating environment.
Heritage:
Yamaha has a long-standing reputation for producing reliable and durable powersports vehicles, including a strong lineage in ATV development.
Predecessors:
The Kodiak line has been a consistent performer for Yamaha, evolving from earlier models to incorporate advancements in engine technology, suspension, and rider comfort.
Key Updates Kodiak 450:
The 450cc platform offered a balance of power and maneuverability, often featuring independent rear suspension (IRS) on higher trims, differentiating it from solid axle competitors.
Manufacturing Location:
Typically manufactured by Yamaha Motor Corporation.
