The KX450F, model year 2010, is a high-performance motocross motorcycle engineered for competition and serious off-road enthusiasts. It features a potent 449cc liquid-cooled, DOHC four-valve engine with digital fuel injection for precise throttle response. The motorcycle is built around a lightweight aluminum perimeter frame and equipped with advanced, adjustable suspension components designed to handle the rigors of demanding terrain. Building on a strong heritage in professional racing, the 2010 model received significant updates, including a new frame and revised engine tuning, solidifying its reputation as a capable and competitive machine in its class. This English-language parts catalog provides a comprehensive breakdown of all components for the 2010 KX450F. It serves as an essential resource for identifying correct part numbers, understanding component relationships through detailed exploded views, and facilitating accurate ordering of replacement parts. The catalog covers all major systems, including the engine, drivetrain, chassis, suspension, wheels and brakes, controls, electrical system, fuel system, exhaust, and bodywork. It is designed to aid owners and technicians in efficient maintenance, repair, and restoration of the vehicle, ensuring optimal performance and longevity. 🏷️ Basic Information Identification Make: Kawasaki Model: KX450F Year: 2010 Codes Model Code: KX450EAF Vin Prefix North America: JKAKX450EEA Vin Prefix Australia: JKAKXGEC#A 👋 Introduction Market Position Category: Motocross/Off-Road Competition Motorcycle Target Audience: Motocross racers and serious off-road enthusiasts Competitive Analysis Competitors: Yamaha YZ450F, Honda CRF450R, KTM 450 SX-F Key Features Engine: 450cc liquid-cooled, DOHC, four-valve, single-cylinder engine with fuel injection. Chassis: Lightweight aluminum perimeter frame, advanced suspension components. Technology: Digital fuel injection, electric start (on some models/variants, though the 2010 KX450F does not feature electric start), adjustable suspension. 📋 Manual Details Coverage Areas Coverage: Complete parts catalog for 2010 Kawasaki KX450F models Page Count Page Count: N/A (Parts Books typically vary in length based on model complexity) Manual Type Type: Parts Catalog / Parts Book Language Language: English Format Format: Illustrated Parts List with Exploded Views 📖 Manual Coverage Systems Covered Engine: Full engine component breakdown (cylinder, piston, crankshaft, valve train, lubrication, cooling, fuel injection) Drivetrain: Clutch, transmission gears, shift drum, shift forks, final drive components (sprocket, chain) Chassis: Frame, sub-frame, swingarm, linkage system, steering components, footpegs Suspension: Front fork assembly (springs, dampers, seals), rear shock absorber assembly Wheels And Brakes: Front and rear wheels, hubs, spokes, tires, brake calipers, master cylinders, brake levers, brake pedals, rotors Controls: Handlebars, throttle assembly, clutch lever, brake levers, shift lever, kick starter (if applicable) Electrical: Ignition system components (CDI, ignition coil), lighting (headlight, taillight), battery, wiring harnesses, sensors (TPS, MAP) Fuel System: Fuel tank, fuel pump, fuel injector, throttle body, fuel filter Exhaust System: Exhaust pipe, muffler, heat shields Bodywork: Plastics (fenders, shrouds, side plates), seat, graphics Procedures Included Identification: Part number identification for all components Assembly Disassembly: Visual guidance for component assembly and disassembly through exploded views Ordering Parts: Facilitates accurate ordering of replacement parts Troubleshooting Assistance: Indirect assistance by identifying correct part configurations for diagnosis Maintenance Planning: Useful for planning replacement of wear items Technical Depth Depth: Comprehensive parts identification and illustration, suitable for parts sourcing and visual assembly reference. 📊 Manual Specifications File Format Format: Likely a printed document or a printable PDF. Specific file format not detailed in product description. Print Quality Quality: Designed for clarity with exploded views, typically high-quality print for readability. Binding Type Binding: Typically spiral-bound or saddle-stitched for ease of use during repairs. Paper Type Paper: Durable paper stock to withstand workshop environments. ⚙️ Engine Specifications Primary Engine Engine Type: 4-stroke, single cylinder, DOHC, 4-valve Displacement: 449 cc Bore X Stroke: 96.0 x 62.1 mm Cooling: Liquid-cooled Compression Ratio: 12.0:1 Valve Train: DOHC, 4 valves Lubrication: Forced lubrication, wet sump Performance Peak Horsepower: Estimated 54-56 HP (at crankshaft, varies by tuning and dyno) Peak Torque: Estimated 33-35 lb-ft (at crankshaft, varies by tuning and dyno) Fuel System Fuel Delivery: Fuel Injection, Keihin FCR37 (flat slide carburetor with dual injectors) Fuel Type: Unleaded gasoline, 91-98 octane Fuel Tank Capacity: 1.9 US gal (7.2 L) 🔧 Transmission Standard Type: 5-speed constant mesh Clutch: Wet, multiple disc, manual Features Gear Ratios: 1st: 2.467 (37/15), 2nd: 1.867 (28/15), 3rd: 1.500 (30/20), 4th: 1.250 (25/20), 5th: 1.050 (21/20) Final Drive: O-ring sealed chain; 16/48 (standard gearing, actual ratio may vary by market/spec) 📐 Dimensions Exterior Length: 72.7 in (1,845 mm) Width: 32.3 in (820 mm) Height: 50.2 in (1,275 mm) Wheelbase: 58.7 in (1,490 mm) Ground Clearance: 14.0 in (355 mm) Seat Height: 38.0 in (965 mm) Weights Curb Weight: 249.1 lb (113 kg) Dry Weight: 238.1 lb (108 kg) 🛡️ Safety Features Ratings Safety Features: Not applicable for this class of competition off-road vehicle. Designed for closed-course use only. Active Features Braking System: Hydraulic disc brakes front and rear. Dual-piston caliper front, single-piston caliper rear. Passive Features Chassis Design: Rigid aluminum perimeter frame for stability and handling. 💡 Technology Features...
The KX450F, model year 2010, is a high-performance motocross motorcycle engineered for competition and serious off-road enthusiasts. It features a potent 449cc liquid-cooled, DOHC four-valve engine with digital fuel injection for precise throttle response. The motorcycle is built around a lightweight aluminum perimeter frame and equipped with advanced, adjustable suspension components designed to handle the rigors of demanding terrain. Building on a strong heritage in professional racing, the 2010 model received significant updates, including a new frame and revised engine tuning, solidifying its reputation as a capable and competitive machine in its class.
This English-language parts catalog provides a comprehensive breakdown of all components for the 2010 KX450F. It serves as an essential resource for identifying correct part numbers, understanding component relationships through detailed exploded views, and facilitating accurate ordering of replacement parts. The catalog covers all major systems, including the engine, drivetrain, chassis, suspension, wheels and brakes, controls, electrical system, fuel system, exhaust, and bodywork. It is designed to aid owners and technicians in efficient maintenance, repair, and restoration of the vehicle, ensuring optimal performance and longevity.
🏷️ Basic Information
Identification
Make:
Kawasaki
Model:
KX450F
Year:
2010
Codes
Model Code:
KX450EAF
Vin Prefix North America:
JKAKX450EEA
Vin Prefix Australia:
JKAKXGEC#A
👋 Introduction
Market Position
Category:
Motocross/Off-Road Competition Motorcycle
Target Audience:
Motocross racers and serious off-road enthusiasts
Competitive Analysis
Competitors:
Yamaha YZ450F, Honda CRF450R, KTM 450 SX-F
Key Features
Engine:
450cc liquid-cooled, DOHC, four-valve, single-cylinder engine with fuel injection.
O-ring sealed chain; 16/48 (standard gearing, actual ratio may vary by market/spec)
📐 Dimensions
Exterior
Length:
72.7 in (1,845 mm)
Width:
32.3 in (820 mm)
Height:
50.2 in (1,275 mm)
Wheelbase:
58.7 in (1,490 mm)
Ground Clearance:
14.0 in (355 mm)
Seat Height:
38.0 in (965 mm)
Weights
Curb Weight:
249.1 lb (113 kg)
Dry Weight:
238.1 lb (108 kg)
🛡️ Safety Features
Ratings
Safety Features:
Not applicable for this class of competition off-road vehicle. Designed for closed-course use only.
Active Features
Braking System:
Hydraulic disc brakes front and rear. Dual-piston caliper front, single-piston caliper rear.
Passive Features
Chassis Design:
Rigid aluminum perimeter frame for stability and handling.
💡 Technology Features
Infotainment
Features:
Not applicable. This is a competition off-road motorcycle focused on performance, not comfort or infotainment.
Driver Assistance
Features:
Not applicable. No electronic driver assistance systems.
Connectivity
Features:
Not applicable.
Engine Management
Efi System:
Digital Fuel Injection system with dual injectors for precise fuel delivery and improved throttle response.
Ignition System:
Digital CDI with ignition timing optimized for engine performance.
🔧 Maintenance
Service Intervals
Oil Change:
Every 10-15 hours of riding or as recommended by owner's manual based on conditions.
Air Filter Cleaning:
Clean after every few rides, especially in dusty conditions.
Spark Plug Inspection:
Inspect every 20 hours, replace as needed.
Valve Clearance Check:
Every 15-20 hours, adjust as necessary.
Fluid Specifications
Engine Oil Type:
SAE 10W-40, API SG or higher, JASO MA certified motorcycle oil
Engine Oil Capacity:
1.1 US qt (1.05 L) without filter change; 1.2 US qt (1.1 L) with filter change.
Coolant Type:
High-quality ethylene glycol-based coolant with distilled water (50/50 mix)
Brake Fluid Type:
DOT 4
Known Issues
Engine Longevity:
Like most high-performance motocross bikes, requires diligent maintenance for optimal longevity. Piston and ring wear are common with heavy use.
Suspension Maintenance:
Fork seals and shock seals can wear, requiring periodic replacement. Suspension servicing is critical for performance.
Clutch Wear:
Clutch plates can wear out with aggressive riding and frequent clutch use.
📚 Vehicle History
Brand Heritage
Manufacturer:
Kawasaki Heavy Industries Motorcycle & Engine Company
Motorsport Focus:
Longstanding involvement and success in professional motocross and supercross racing.
Model Evolution
Kx Lineage:
The KX line has been a dominant force in motocross for decades, with continuous technological advancements.
2010 Updates:
The 2010 KX450F received significant updates including a new aluminum frame, revised suspension settings, improved engine tuning, and revised bodywork.
Production
Manufacturing Location:
Japan (primary production)
🏆 Awards & Recognition
Recognitions
Motocross Performance:
The KX450F platform has consistently been praised by motocross publications and racers for its powerful engine, excellent handling, and advanced chassis.
Industry Recognition:
Frequently wins 'Best Motocross Bike' comparisons in major motorcycle media outlets for its class.