Category:
High-performance sport ATV
Target User:
Enthusiasts seeking a powerful and capable machine for recreational riding, trail riding, and recreational racing.
Competitors:
Honda TRX450R, Suzuki LT-R450 Quadracer, Kawasaki KFX450R.
Engine Type:
Liquid-cooled, DOHC, 4-stroke, 5-valve, single-cylinder.
Fuel Delivery:
Electronic Fuel Injection (EFI).
Transmission:
5-speed constant mesh with wet, multi-disc clutch.
Suspension Front:
Independent double wishbone with adjustable shocks, 9.1-inch travel.
Suspension Rear:
Swingarm with adjustable piggyback shock, 10.1-inch travel.
Brakes Front:
Dual hydraulic discs.
Brakes Rear:
Single hydraulic disc.
Engine:
Complete engine overhaul, disassembly, assembly, inspection, tuning, and troubleshooting.
Fuel System:
Fuel injection system, fuel pump, injectors, fuel tank, lines, and pressure regulation.
Cooling System:
Radiator, cooling fan, water pump, coolant flow, thermostat, and hoses.
Exhaust System:
Exhaust manifold, muffler, heat shields, and emissions control components.
Drivetrain:
Clutch operation, transmission disassembly and assembly, final drive, chain and sprocket maintenance.
Suspension:
Front and rear suspension systems, shock absorbers, control arms, bearings, and steering components.
Brakes:
Hydraulic brake system, master cylinders, calipers, brake pads, rotors, bleeding procedures, and parking brake.
Electrical System:
Ignition system, starting system, charging system (stator, regulator/rectifier), battery, lighting, sensors, and ECU.
Chassis And Frame:
Frame inspection, maintenance, and repair, bodywork removal and installation.
Wheels And Tires:
Tire inspection, pressure recommendations, wheel removal and installation, bearing maintenance.
Routine Maintenance:
Oil changes, filter replacements, chain lubrication, air filter cleaning/replacement, spark plug replacement.
Troubleshooting:
Diagnostic procedures for common and uncommon issues, symptom-based troubleshooting charts.
Rebuilds:
Complete engine rebuild, transmission overhaul, suspension component replacement.
Adjustments:
Carburetor/fuel injection tuning, idle speed adjustment, throttle cable adjustment.
Disassembly And Assembly:
Step-by-step instructions for component removal and reinstallation with torque specifications.
Wiring Diagrams:
Comprehensive electrical schematics for troubleshooting and component identification.
Depth Level:
Comprehensive and detailed, covering everything from basic maintenance to complete engine and transmission rebuilds.
Target Audience:
Professional mechanics, experienced DIY enthusiasts, and ATV owners seeking in-depth repair knowledge.
Engine Type:
4-stroke, liquid-cooled, DOHC, 5-valve
Bore X Stroke:
100.0 mm x 84.0 mm
Fuel Induction:
YCC-T (Yamaha Chip Controlled Throttle) with Mikuni 44mm throttle body.
Ignition:
Digital TCI (Transistor Controlled Ignition)
Horsepower Estimated:
Approximately 53-55 HP (at crankshaft, unconfirmed official spec)
Torque Estimated:
Approximately 46-48 lb-ft (at crankshaft, unconfirmed official spec)
Fuel Type:
Unleaded gasoline (minimum 87 octane recommended)
Fuel Tank Capacity:
3.8 gallons (14.5 Liters)
Atv Safety Classification:
Sport ATV (designed for off-road recreational use, not street legal).
Throttle Limiter:
Thumb throttle with adjustable tension and return spring for controlled acceleration.
Kill Switch:
Ergonomically placed engine kill switch for immediate shutdown.
Handguards:
Standard on many models to protect hands from debris.
Footwells:
Wide, protective footwells with heel guards.
Rollover Protection:
N/A (ATVs are not designed with rollover protection structures; rider safety is paramount).
Display Type:
Digital meter with speedometer, odometer, trip meter, clock, and diagnostic indicator lights.
Traction Control:
N/A (No electronic driver aids like traction control or ABS are typically equipped).
Charging Port:
Not standard; may be an aftermarket addition.
ECU Features:
Yamaha Chip Controlled Throttle (YCC-T) for precise throttle response and optimized fuel delivery.
Ignition Type:
Digital TCI with electronic advance.
Engine Oil Change:
Every 1000 km (600 miles) or 6 months.
Oil Filter Replacement:
Replace at every engine oil change.
Air Filter Cleaning:
Clean every 500 km (300 miles) or as needed in dusty conditions.
Spark Plug Replacement:
Inspect every 1000 km (600 miles), replace as needed.
Chain Lubrication Adjustment:
Lubricate every 500 km (300 miles); adjust tension every 1000 km (600 miles).
Engine Oil Type:
Yamalube 4 (or equivalent) SAE 10W-40 API SG or higher.
Engine Oil Capacity:
2.40 US qt (2.27 L) without filter change; 2.60 US qt (2.45 L) with filter change.
Coolant Type:
High-quality ethylene glycol-based antifreeze coolant (50% mixture with distilled water recommended).
Brake Fluid Type:
DOT 4 hydraulic brake fluid.
Engine Reliability:
Generally robust; early models may have experienced some oil consumption issues due to piston ring design, addressed in later revisions.
Clutch Wear:
Aggressive riding can lead to accelerated clutch wear, particularly in demanding conditions.
Suspension Tuning:
Stock suspension may require re-valving or spring changes for optimal performance depending on rider weight and terrain.
Torque Specifications Example
Engine Oil Drain Plug:
20 Nm (15 lb-ft)
Front Axle Nut:
74 Nm (54 lb-ft)
Rear Axle Nut:
118 Nm (87 lb-ft)
Brand Origin:
Yamaha Motor Company, Ltd. (Japan).
Brand Reputation:
Renowned for performance, reliability, and innovation in powersports.
Predecessor:
Yamaha YFZ450 (introduced in 2004, known for its high-revving 450cc engine).
700 Raptor Introduction:
Introduced for the 2006 model year as a larger-bore, torque-focused alternative to the YFZ450.
Key Improvements Over 450:
Larger displacement engine for increased low-end and mid-range torque, more comfortable riding position.
Manufacturing Location:
Japan