Segment:
Mid-size utility ATV, known for its reliability and capability in various terrains.
Competitors:
Honda Foreman 400, Suzuki Vinson 500, Polaris Sportsman 400/500.
Engine Type:
Air-cooled, 4-stroke, SOHC engine for robust performance and durability.
Transmission:
Yamaha's Ultramatic automatic transmission with engine braking for smooth engagement and control.
Drivetrain:
On-Command 4WD system allowing rider selection between 2WD and 4WD.
Suspension:
Independent front suspension and swingarm rear suspension for comfortable and stable ride.
Braking:
Sealed hydraulic disc brakes front and rear for reliable stopping power.
Benefit For Owner:
Empowers owners to perform routine maintenance, diagnostics, and repairs, saving time and money while ensuring optimal performance and longevity of the ATV.
Primary Coverage:
Complete service, repair, and workshop information for the 2003 Yamaha Kodiak YFM400FAR 400 ATV.
Estimated Pages:
Hundreds (Specific count not provided in product description, typical for comprehensive workshop manuals)
Type:
Service Repair Workshop Manual
Engine:
Engine assembly, disassembly, tuning, lubrication, cooling system, fuel system, ignition system, exhaust system, engine diagnostics.
Transmission:
Automatic transmission (CVT - Ultramatic), clutch, gear shifting, drive shafts, differentials, maintenance.
Chassis:
Frame, suspension (front and rear), steering system, wheels, tires, brakes (front and rear), parking brake.
Electrical:
Battery, charging system (stator, regulator/rectifier), starter motor, ignition system, lighting, instrumentation, wiring diagrams, troubleshooting electrical faults.
Fuel System:
Carburetor (type, jetting, adjustments, cleaning), fuel pump, fuel tank, fuel lines, fuel filter.
Cooling System:
Radiator, fan, coolant hoses, thermostat, coolant specifications.
Bodywork:
Body panels, fenders, seat, handlebars, racks, storage compartments.
Maintenance:
Scheduled maintenance, oil changes, filter replacements, spark plug checks, valve clearance adjustments, lubrication points, brake adjustments.
Repair:
Engine overhaul, transmission rebuild, carburetor repair, suspension component replacement, brake system service, electrical component repair.
Troubleshooting:
Diagnostic charts for common issues, symptom-based troubleshooting guides, fault code identification (if applicable).
Disassembly Assembly:
Step-by-step instructions for disassembling and reassembling all major vehicle components.
Depth:
Comprehensive (covers everything from routine maintenance to full engine and transmission rebuilds, including detailed electrical diagnostics and wiring diagrams).
Transmission Type:
Yamaha Ultramatic Automatic (Continuously Variable Transmission - CVT)
Drive Modes:
High, Low, Neutral, Reverse
Engine Braking:
Yes (Integral to Ultramatic system)
Transmission Options:
N/A (CVT is standard)
Clutch Type:
Wet centrifugal clutch
Final Drive:
Shaft drive with selectable 2WD/4WD
Transmission Fluid Type:
Yamalube 4 (or equivalent SAE 10W-40 motorcycle oil, check manual for exact spec)
Transmission Oil Capacity:
0.60 L (0.63 US qt) without filter change, 0.65 L (0.69 US qt) with filter change.
Crash Test Ratings:
N/A (ATVs are not typically subjected to automotive crash tests)
Braking System:
Sealed hydraulic disc brakes, front and rear. Parking brake.
Drivetrain Control:
On-Command 2WD/4WD system with differential lock on front axle (in 4WD mode).
Lighting:
Dual 30W halogen headlights, 5W/21W taillight/stoplight.
Operator Controls:
Ergonomic handlebar design, thumb throttle, comfortable seating position.
Infotainment System:
N/A (Basic instrumentation, no complex infotainment)
Driver Assistance Features:
N/A (Focus on mechanical capabilities)
Connectivity Options:
N/A (No integrated connectivity features)
Dashboard Features:
Speedometer, odometer, trip meter, fuel gauge, neutral indicator, reverse indicator, 2WD/4WD indicator, high beam indicator, oil change indicator.
Engine Oil Change:
Every 100 hours or 6 months (whichever comes first).
Air Filter Cleaning:
Every 20 hours or as needed based on conditions.
Spark Plug Check:
Every 100 hours or 12 months.
Valve Clearance Check:
Every 100 hours or 12 months.
Brake Fluid Check:
Every 6 months.
Engine Oil Type:
Yamalube 4 (or equivalent SAE 10W-40, API SG or higher) - check manual for exact specification.
Engine Oil Capacity:
1.70 L (1.80 US qt) without oil filter change, 1.80 L (1.90 US qt) with oil filter change.
Coolant Type:
High-quality ethylene glycol-based antifreeze coolant mixed with distilled water (50:50 ratio).
Brake Fluid Type:
DOT 3 or DOT 4 brake fluid.
Common Wear Item:
Drive belts in the CVT can wear over time and require replacement.
Carburetor Tuning:
Carburetor jetting may need adjustment based on altitude and modifications.
Electrical Connections:
Corrosion on electrical connectors, especially in wet environments, can cause intermittent issues.
Brand Origin:
Yamaha Motor Company, a Japanese multinational corporation known for its wide range of products including motorcycles, musical instruments, and marine products.
Predecessor:
Yamaha Big Bear series, Yamaha Wolverine.
Significance:
The Kodiak line represented Yamaha's push for more powerful and feature-rich utility ATVs, blending comfort with rugged performance.
Generation:
This 2003 model falls within a generation known for its robust chassis and the introduction of the Ultramatic CVT system.
Production Period:
The Kodiak 400 line was produced for several years around the early 2000s, with updates and variations.
Industry Awards:
Not specifically documented for this model year in public domain, but generally well-regarded for reliability within its class.
Consumer Satisfaction:
Yamaha ATVs, including the Kodiak line, generally receive positive consumer satisfaction ratings for durability and performance.
Safety Certifications:
Meets all applicable EPA and ANSI standards for ATVs at the time of manufacture.
