Vehicle Class:
High-performance utility ATV (All-Terrain Vehicle).
Target Market:
Enthusiasts, hunters, farmers, recreational riders seeking robust off-road capability and comfort.
Key Competitors:
Honda Foreman/Rancher, Polaris Sportsman, Can-Am Outlander, Kawasaki Brute Force.
Engine Type:
Liquid-cooled, DOHC, 4-stroke, single-cylinder.
Transmission Type:
Yamaha's Ultramatic® automatic transmission with engine braking.
Drive System:
On-Command® 2WD/4WD with differential lock.
Suspension Type:
Independent front and rear suspension.
Power Steering:
Electric Power Steering (EPS) often standard or optional on this model.
Engine:
Complete disassembly, assembly, inspection, and repair of the engine, including cylinder head, crankshaft, piston, valves, camshaft, oil pump, cooling system.
Fuel System:
Carburetor (or EFI if applicable for the specific YFM7FGPW variant) adjustments, cleaning, and repair; fuel pump, fuel filter, fuel lines.
Transmission:
Automatic transmission (Ultramatic®), CVT system, drive belts, clutch assembly, differential, gears, lubrication.
Drivetrain:
Shaft drive system, driveshafts, universal joints, final drive housing, all-wheel-drive (4WD) engagement system.
Suspension:
Front and rear suspension systems, shock absorbers, springs, control arms, bushings, alignment procedures.
Brakes:
Hydraulic brake system, front and rear brake calipers, master cylinders, brake lines, brake pads, brake discs, bleeding procedures.
Electrical System:
Ignition system, starting system, charging system (stator, regulator/rectifier), battery, lighting (headlights, taillights, indicators), sensors, wiring diagrams, diagnostic codes.
Cooling System:
Radiator, cooling fan, thermostat, water pump, coolant type and capacity.
Exhaust System:
Muffler, exhaust pipe, heat shields, catalytic converter (if applicable).
Chassis And Body:
Frame inspection, handlebars, body panels, seat, footrests, storage compartments, rack systems.
Wheels And Tires:
Tire pressure specifications, wheel mounting, lug nut torque.
Lubrication System:
Oil change intervals, oil type and capacity, oil filter part numbers.
Maintenance:
Scheduled maintenance, pre-ride inspections, oil changes, filter replacements, spark plug checks, drive belt inspection.
Troubleshooting:
Step-by-step diagnostic procedures for common problems and symptoms.
Repair:
Detailed instructions for component removal, disassembly, cleaning, inspection, repair, reassembly, and installation.
Adjustments:
Carburetor adjustments, throttle cable adjustments, brake lever adjustments, clutch lever adjustments.
Disassembly Assembly:
Complete procedures for taking apart and putting back together all major vehicle components.
Installation:
Guidance for installing new parts or components.
Depth Of Information:
Comprehensive, covering basic maintenance to full engine and transmission rebuilds.
Diagnostic Capabilities:
Includes troubleshooting guides, symptom-based diagnostics, and potential solutions.
Torque Specifications:
Detailed torque values for critical fasteners across all systems.
Clearances Tolerances:
Specifications for component clearances and wear tolerances for proper function.
Wiring Diagrams:
Detailed electrical wiring schematics with component identification.
Special Tools:
Identification of any specialized tools required for specific repair procedures.
Engine Type:
4-stroke, single-cylinder, liquid-cooled, DOHC
Bore X Stroke:
100.0 mm x 83.9 mm
Valve Clearance:
Intake: 0.10–0.20 mm (0.004–0.008 in); Exhaust: 0.20–0.30 mm (0.008–0.012 in)
Horsepower Est:
Approx. 45-50 hp (specific dyno figures vary)
Torque Est:
Approx. 43-46 lb-ft (specific figures vary)
Fuel Delivery:
Mikuni BSR42 carburetor (for many 2007 models, confirm specific YFM7FGPW variant)
Fuel Type:
Unleaded gasoline, 87 octane or higher
Fuel Tank Capacity:
4.0 gal (15.0 L)
Oil Type:
Yamaha 4-stroke engine oil (e.g., Yamalube 4G SAE 20W-40 or equivalent API SG or higher)
Oil Capacity W Filter:
2.30 L (2.43 US qt)
Oil Filter Part Number:
Yamaha: 5TA-13440-00-00 (Verify for specific model variant)
Coolant Type:
Permanent antifreeze containing ethylene glycol, 50% solution recommended
Coolant Capacity:
1.90 L (2.01 US qt)
Atv Safety Considerations:
Follow all safety instructions in the owner's manual, wear appropriate safety gear (helmet, eye protection, gloves, boots).
Engine Braking:
Ultramatic® transmission provides constant engine braking.
4Wd Lock:
Lockable front differential for enhanced traction in difficult terrain.
Brakes:
Hydraulic disc brakes front and rear.
Lighting:
Halogen headlights, taillight, and brake light for visibility.
Suspension:
Independent suspension for improved stability and ride comfort.
Engine Oil Change:
Every 3,000 km (1,800 miles) or 6 months, whichever comes first (refer to manual for exact interval based on usage).
Air Filter Cleaning:
Every 1,000 km (600 miles) or 3 months, or more frequently in dusty conditions.
Spark Plug Check:
Every 3,000 km (1,800 miles) or 6 months.
Drive Belt Inspection:
Every 3,000 km (1,800 miles) or 6 months for wear and tension.
Brake Fluid Change:
Every 2 years or as needed based on condition.
Engine Oil Viscosity:
SAE 20W-40
Brake Fluid Type:
DOT 3 or DOT 4 hydraulic brake fluid.
Coolant Mix:
50% Ethylene Glycol Antifreeze and 50% Distilled Water.
Cvtfailure:
While generally robust, some reports of CVT belt slippage or premature wear if subjected to extreme conditions or improper maintenance. Regular inspection and replacement are key.
Eletrical Connector Corrosion:
Exposure to water and mud can sometimes lead to corrosion in electrical connectors if not properly maintained or sealed. Routine inspection and dielectric grease application are beneficial.
Eps Issues:
Early models with EPS could occasionally experience issues with the power steering unit. Ensuring proper voltage and checking connections is crucial. The manual would detail troubleshooting steps.
Carburetor Clogging:
If not used regularly or with stale fuel, carburetors can become clogged. The manual provides detailed cleaning and adjustment procedures.
