🏷️ Basic Information

Make:

Yamaha

Model:

YZ250F

Year:

2013

Type:

Motocross Motorcycle

Engine Code:

N/A (Specific engine variant designation not provided in product info)

Chassis Code:

N/A (Specific chassis designation not provided in product info)

👋 Introduction

Category:

Performance Motocross Motorcycle

Target Audience:

Motocross racers, enthusiasts, mechanics

Key Competitors:

Honda CRF250R, Kawasaki KX250F, KTM 250 SX-F, Suzuki RM-Z250

Engine Type:

Four-stroke, liquid-cooled, DOHC, 4-valve

Suspension Type:

Advanced KYB Speed Sensitive System (SSS) front forks and KYB rear shock

Frame Design:

Aluminum bilateral beam frame for optimal rigidity and handling

Fuel Delivery:

Yamaha Fuel Injection (YFI) for precise fuel and air mixture

Ergonomics:

Designed for rider comfort and control

📋 Manual Details

Primary Focus:

Repair and Maintenance

Additional Coverage:

Troubleshooting, Complete Tear Down and Rebuild

Total Pages:

193

Type:

Factory Service Manual / Repair Manual

Language:

English

Format:

Digital (Instant Download)

Interactivity:

Clickable Chapters

📖 Manual Coverage

Engine Mechanical:

Complete engine disassembly, inspection, repair, and reassembly (top end, bottom end, valve train, lubrication)

Fuel System:

Fuel injection system (throttle body, injectors, fuel pump, pressure regulator), carburetor (if applicable, though YZ250F is fuel injected), fuel tank, lines

Ignition System:

CDI unit, ignition coil, spark plug, wiring

Cooling System:

Radiator, water pump, coolant hoses, thermostat

Exhaust System:

Exhaust pipe, muffler, heat shields

Transmission Drivetrain:

Gearbox (clutch, gears, shift mechanism), final drive (chain and sprockets)

Suspension Front:

Front forks ( KYB Speed Sensitive System), seals, bushings, oil, damping adjustments, internals

Suspension Rear:

Rear shock absorber (KYB, with adjustability), linkage, bearings, seals, oil, spring preload

Brakes Front:

Brake caliper, master cylinder, brake lines, brake pads, rotor, hydraulic system bleeding

Brakes Rear:

Brake caliper, master cylinder, brake lines, brake pads, rotor, hydraulic system bleeding

Electrical System:

Wiring diagram, battery, lighting (if applicable to model variant), switches, sensors

Chassis Frame:

Frame inspection, steering head bearings, subframe, footpegs

Wheels Tires:

Wheel bearings, rim, spokes, tire mounting and maintenance

Bodywork Plastics:

Fairings, seat, fuel tank cover, fenders, graphics

Maintenance:

Routine maintenance checks, oil changes, filter replacements, chain lubrication, valve clearance checks

Troubleshooting:

Diagnostic procedures for common issues, electrical faults, engine performance problems

Repair:

Step-by-step instructions for component replacement and repair

Rebuild:

Comprehensive guidance for complete engine and suspension rebuilds

Adjustments:

Suspension tuning, clutch and throttle cable adjustments

Torque Specifications:

Exact torque values for all critical fasteners

Level:

Comprehensive Factory Level

Detail Level:

Detailed component diagrams, exploded views, and step-by-step procedural illustrations

📊 Manual Specifications

Type:

Likely PDF (common for digital manuals)

Searchability:

Assumed text-searchable due to 'clickable chapters'

Quality:

High-resolution images and diagrams suitable for printing

Type:

N/A (Digital Format)

Type:

N/A (Digital Format)

⚙️ Engine Specifications

Configuration:

Single-cylinder

Displacement:

249 cc

Bore X Stroke:

77.0 mm x 53.6 mm

Cooling System:

Liquid-cooled

Valve Train:

DOHC, 4 valves

Compression Ratio:

13.5:1

Horsepower:

Estimated 37-40 HP (at crankshaft, specific figure not in product info)

Torque:

Not specified in product information

Type:

Yamaha Fuel Injection (YFI) with 44mm throttle body

Fuel Type:

Unleaded gasoline, premium octane recommended

Type:

Wet sump

Oil Capacity:

1.00 L (approximately 1.06 US qt)

Type:

Primary kick starter

🔧 Transmission

Type:

Constant-mesh 5-speed

Clutch Type:

Wet, multi-plate

Final Drive:

O-ring chain, Sprockets (14T front, 52T rear - typical, verify in manual)

Transmission Oil:

Yamalube 10W-40 API SG, JASO MA (or equivalent)

📐 Dimensions

Overall Length:

2170 mm (85.4 in)

Overall Width:

825 mm (32.5 in)

Overall Height:

1280 mm (50.4 in)

Seat Height:

990 mm (39.0 in)

Wheelbase:

1475 mm (58.1 in)

Ground Clearance:

335 mm (13.2 in)

Wet Weight:

105 kg (231 lbs) (with all necessary operating fluids and full fuel tank)

Dry Weight:

99 kg (218 lbs)

Fuel Capacity:

8.0 L (2.1 US gal)

🛡️ Safety Features

Crash Test Results:

N/A (Not applicable to off-road motorcycles)

Braking System:

Hydraulic disc brakes front and rear

Tires Front:

80/100-21 51M

Tires Rear:

110/90-19 62M

Frame Construction:

Aluminum bilateral beam frame designed for rigidity and impact absorption

Handlebar:

Durable, replaceable handlebars with padded crossbar

💡 Technology Features

Features:

N/A (Motocross motorcycles typically do not feature infotainment systems)

Features:

N/A (Motocross motorcycles are focused on rider input and do not have electronic driver assistance systems)

Features:

N/A (Motocross motorcycles do not feature connectivity options)

🔧 Maintenance

Oil Change:

Every 15 hours of operation or as specified in the manual (highly dependent on riding conditions)

Air Filter Cleaning:

Every 5-10 hours of operation or more frequently in dusty conditions

Spark Plug Inspection:

Every 15-20 hours of operation

Valve Clearance Check:

Every 20-30 hours of operation (critical for performance and longevity)

Engine Oil:

Yamalube 10W-40 API SG, JASO MA (or equivalent)

Coolant:

Permanent type anti-freeze coolant, 50% solution with de-ionized water

Brake Fluid:

DOT 4

Fork Oil:

Yamalube Fork Oil 01 (or equivalent SAE 5W / SAE 10W, depending on specific fork setup and preference, manual will specify precise type and quantity)

Common Wear Items:

Clutch plates, piston and rings, valve seals, suspension seals and bushings, wheel bearings, chain and sprockets.

Maintenance Importance:

Due to the high-stress nature of motocross, rigorous adherence to the maintenance schedule outlined in the service manual is crucial for preventing premature wear and ensuring optimal performance.

📚 Vehicle History

Brand Focus:

Yamaha has a long and successful history in motorcycle racing, particularly in motocross, with a reputation for innovation and performance.

Yz250F Lineage:

The YZ250F has been a benchmark in the 250cc four-stroke motocross class since its introduction, undergoing continuous development to improve engine performance, suspension, and chassis dynamics. Key advancements have included fuel injection, revised engine configurations, and sophisticated suspension technology.

2013 Updates:

Specific updates for the 2013 model year are not detailed in the product description but typically involve refinements in engine mapping, suspension settings, and potentially minor chassis or aesthetic changes based on racing feedback.

Manufacturing Location:

Japan (typical for Yamaha high-performance models)

Production Years Yz250F:

2001-Present

🏆 Awards & Recognition

Motocross Rankings:

The YZ250F consistently receives high praise and awards from motocross publications and riders for its performance, handling, and reliability. Specific awards for the 2013 model would depend on media reviews from that year.