Model Variants:
YFZ450R SE (Special Edition)
Model Years Covered:
2009, 2010, 2011, 2012, 2013
Chassis Codes:
Based on the provided information, specific chassis codes are not explicitly detailed, but the manual covers variations of the YFZ450R and YFZ450X platform across the specified years.
Engine Codes:
While not explicitly stated, the manual covers the specific engine used in the YFZ450R/X models for the 2009-2013 period, which is predominantly the 449cc liquid-cooled DOHC 4-stroke engine.
Target Audience:
Owners of 2009-2013 Yamaha YFZ450R and YFZ450X ATVs seeking to perform maintenance, repairs, or gain a deeper understanding of their vehicle.
Manual Advantage:
Provides a combined set of essential service and owner manuals for a specific model range, offering detailed technical data and operational guidance.
Completeness:
Covers the entire ATV from wheel to wheel, encompassing all major systems and procedures.
Accuracy Guarantee:
Guaranteed to match the specific ATV model and year by careful collection and confirmation of all necessary supplementary manuals.
Usability:
Bookmarked and keyword searchable PDF format for efficient navigation and information retrieval.
Primary Coverage:
Comprehensive service, repair, maintenance, and operation for 2009-2013 Yamaha YFZ450R and YFZ450X ATVs, including Special Edition variants.
Service Manual Estimated Pages:
Likely in the range of 400-600 pages, typical for a complete workshop manual covering all systems.
Owner Manual Estimated Pages:
Likely in the range of 50-100 pages, typical for an owner's manual.
Service Manual Type:
Workshop Repair Manual
Owner Manual Type:
Owner's Maintenance Manual / Operator's Guide
Engine:
Engine disassembly, assembly, overhaul, valve adjustment, piston/cylinder, crankshaft, camshafts, lubrication system, cooling system.
Transmission:
Clutch, gearbox, shift mechanism, internal components, fluid specifications.
Drivetrain:
Final drive, axle components, sprocket maintenance.
Suspension:
Front and rear suspension systems, shock absorbers, springs, linkages, geometry adjustments.
Brakes:
Front and rear brake systems, calipers, master cylinders, brake lines, fluid specifications, bleeding procedures.
Electrical:
Ignition system, starting system, charging system, lighting, wiring diagrams, component testing, troubleshooting.
Fuel System:
Fuel injection system, fuel pump, injectors, fuel lines, throttle body, fuel tank.
Cooling System:
Radiator, coolant, water pump, fan operation, thermostat.
Chassis And Bodywork:
Frame, body panels, seating, handlebars, footpegs, storage.
Maintenance:
Scheduled maintenance, oil changes, filter replacements, chain adjustment, tire pressure checks.
Troubleshooting:
Systematic diagnostic procedures for common and uncommon problems, fault finding charts.
Repair:
Step-by-step repair instructions for all major components and systems.
Rebuilds:
Detailed procedures for engine and transmission rebuilds, including specifications.
Adjustments:
Carburetor/throttle body synchronization, suspension adjustments, cable adjustments.
Depth Of Coverage:
Comprehensive, from basic owner maintenance to full engine and transmission rebuilds. Includes detailed technical specifications and diagnostic information.
Engine Type:
4-stroke, liquid-cooled, DOHC, 5-valve, single-cylinder
Bore X Stroke:
95.0 mm x 63.1 mm (typical for this generation)
Compression Ratio:
11.2:1 (typical for this generation)
Horsepower:
Approximately 47-50 HP (varies slightly by year/tune, manual will provide exact specs)
Torque:
Approximately 42 Nm (varies slightly by year/tune, manual will provide exact specs)
Fuel Delivery:
Fuel Injection (Keihin 42mm throttle body or similar)
Fuel Type:
Unleaded gasoline, 87 octane or higher (manual will specify exact requirement)
Oil Type:
Yamalube 4 (or equivalent SAE 10W-40 API SG or higher) semi-synthetic motorcycle oil (manual will specify exact requirement and capacity)
Coolant Type:
High-quality ethylene glycol-based antifreeze coolant (manual will specify type and mixture ratio)
Transmission Type:
5-speed manual transmission with wet multi-disc clutch
Optional Transmissions:
N/A (This model is exclusively manual)
Clutch Operation:
Hydraulic
Reverse:
N/A (This is a sport ATV, typically without reverse)
Transmission Oil Type:
Yamalube Gear Oil (or equivalent SAE 80 API GL-4) (manual will specify exact requirement and capacity)
Overall Length:
Approx. 1835 mm (72.2 in)
Overall Width:
Approx. 1280 mm (50.4 in)
Overall Height:
Approx. 1065 mm (41.9 in)
Seat Height:
Approx. 815 mm (32.1 in)
Wheelbase:
Approx. 1270 mm (50.0 in)
Wet Weight:
Approx. 180 kg (397 lbs) (with all necessary operating consumables)
Dry Weight:
Approx. 172 kg (379 lbs)
Fuel Tank Capacity:
10.0 Liters (2.6 US gal)
Safety Standards:
Designed to meet applicable industry safety standards for ATVs. Manual provides specific safety precautions.
Braking System:
Dual hydraulic disc front brakes, single hydraulic disc rear brake.
Throttle Limiter:
Not standard on sport ATVs, but maintenance procedures for throttle cable adjustment are included.
Lighting:
Dual 30W halogen headlights, single 5W incandescent taillight/stoplight.
Engine Oil Change:
Every 20 hours or 3 months, whichever comes first (owner's manual detail, service manual will provide specific procedures and oil capacities).
Air Filter Cleaning:
Every 10 hours or 1 month (owner's manual detail, service manual provides detailed cleaning and replacement procedures).
Spark Plug Inspection:
Every 20 hours or 3 months (owner's manual detail, service manual provides gap specifications and replacement guidelines).
Valve Clearance Check:
Every 100 hours or 1 year, whichever comes first (critical service detailed in the workshop manual).
Engine Oil Spec:
SAE 10W-40 API SG or higher, Yamalube 4 (or equivalent semi-synthetic).
Transmission Oil Spec:
SAE 80 API GL-4 Gear Oil, Yamalube Gear Oil (or equivalent).
Brake Fluid Spec:
DOT 4 hydraulic brake fluid (manual will specify exact type and procedure for flushing/bleeding).
Coolant Spec:
Mixture of 50% high-quality ethylene glycol based coolant and 50% distilled water.
Common Wear Items:
Clutch wear, chain and sprocket wear, brake pad wear, suspension bushings, wheel bearings. Manual provides diagnostic and replacement procedures.
Potential Failures:
While generally reliable, specific model years might have had minor issues related to early fuel injection calibration or cooling system components, all of which are likely addressed in the diagnostic sections.
Yamaha Atv Legacy:
Yamaha has a long-standing reputation for producing high-performance and reliable ATVs, with the YFZ line being a benchmark in the sport ATV segment.
Yfz450R Development:
The YFZ450R built upon the success of its predecessor, the YFZ450, introducing features like fuel injection and a revised chassis for improved handling and performance. The 2009-2013 models represent a refined iteration of this platform.
Manufacturing Location:
Primarily manufactured in Japan, with components sourced globally.
