Target Audience:
Do-it-yourself enthusiasts and experienced mechanics
Purpose:
Inexpensive way to keep the vehicle working properly, comprehensive source for repair and service information
Advantage:
Highly detailed with complete instructions and illustrations, instant download delivery
Uniqueness:
The only service repair workshop manual you will ever need
Content Detail:
Hundreds of photos and illustrations guiding through each service and repair procedure with ease
Primary Coverage:
Service and Repair
Secondary Coverage:
Maintenance, Troubleshooting, Wiring Schematics, Diagrams
Estimated Page Count:
Detailed (specific number not provided, but described as comprehensive with hundreds of photos and illustrations)
Type:
Service and Repair Manual / Workshop Manual
Engine Mechanical:
Complete disassembly and reassembly, cylinder head, piston, crankshaft, lubrication, cooling system
Fuel System:
Fuel injection system, throttle body, injectors, fuel pump, fuel lines
Ignition System:
CDI, spark plug, ignition coils
Electrical System:
Wiring schematics, lighting, charging system, battery, starting system, sensors, ECU
Transmission:
Clutch operation, gearbox disassembly and assembly, shifting mechanism
Chassis Suspension:
Front forks (KYB SSS), rear shock absorber (KYB), linkage system, swingarm, steering system
Brakes:
Front and rear brake systems, calipers, master cylinders, lines, fluid replacement, bleeding procedures
Wheels Tires:
Wheel bearing maintenance, tire replacement, rim specifications
Exhaust System:
Muffler, header pipe, emissions control (if applicable)
Bodywork:
Plastic panels, seat, fuel tank removal and installation
Routine Maintenance:
Oil changes, filter replacements, chain adjustment, spark plug checks, air filter cleaning/replacement
Diagnostic Procedures:
Troubleshooting common problems, error code interpretation (if applicable), electrical system testing
Repair Procedures:
Complete step-by-step instructions for disassembly, inspection, repair, and reassembly of all major components
Component Rebuilds:
Engine rebuilds, carburetor/fuel injection system overhauls, suspension component rebuilds
Wiring Diagrams:
Detailed electrical system schematics for accurate troubleshooting and repair
Depth:
Comprehensive (from basic maintenance to complete engine and chassis overhauls)
Searchable:
Yes (fully indexed for easy navigation)
Printability:
All pages are printable
Binding:
Digital (instant download)
Paper Type:
N/A (Digital Format)
Operating Systems:
Compatible with all Windows and Mac computers (Windows 7, Vista 32/64, XP, ME, 98, NT, 2000, etc.)
Software:
Adobe PDF Reader
Type:
Liquid-cooled, 4-stroke, DOHC, 4-valve
Bore X Stroke:
77.0 mm x 53.6 mm (typical for this generation)
Compression Ratio:
13.1:1 (typical for this generation)
Horsepower:
Estimated 30-35 HP (exact figure varies, not explicitly stated in product info)
Torque:
Not specified in product info
System:
Fuel Injection (EFI)
Throttle Body Size:
50mm Keihin (typical for this generation)
Type:
Wet Sump (with separate oil reservoir for clutch)
Length:
2,180 mm (85.8 in) (typical for model)
Width:
815 mm (32.1 in) (typical for model)
Height:
1,270 mm (50.0 in) (typical for model)
Wet Weight:
Approx. 115 kg (253.5 lbs) (typical for model, actual may vary)
Fuel Capacity:
7.2 L (1.9 US gal) (typical for model)
Frame Type:
Aluminum, semi-double cradle
Front Wheel Size:
21M/C x 1.60
Rear Wheel Size:
18M/C x 2.15
System:
N/A (Sport/Off-road Motorcycle - no infotainment features)
Features:
N/A (Sport/Off-road Motorcycle - no driver assistance features)
System:
Electronic Fuel Injection (EFI) with ECU control for optimal air-fuel ratio, ignition timing, and emissions.
Sensors:
Includes sensors for throttle position, engine coolant temperature, manifold absolute pressure, etc.
Engine Oil Change:
Every 10-20 hours of riding (or as per manual recommendations based on usage)
Air Filter Cleaning:
Every 5-10 hours of riding (or more frequently in dusty conditions)
Spark Plug Inspection:
Every 20-40 hours of riding
Valve Clearance Check:
Every 40-60 hours of riding (critical for performance and longevity)
Engine Oil Type:
Yamalube 4 (or equivalent SAE 10W-40, API SG or higher, JASO MA)
Engine Oil Capacity:
Approx. 1.1 L (1.2 US qt) with filter change (refer to manual for exact figure)
Coolant Type:
Permanent antifreeze (ethylene glycol based) with deionized water (50/50 mix)
Brake Fluid Type:
DOT 4 Hydraulic Brake Fluid
Engine Management:
Occasional EFI mapping adjustments might be needed for optimal performance across different altitudes/conditions. Some owners report heat management concerns in very demanding conditions, though typically well-managed.
Suspension Maintenance:
Regular service of KYB SSS forks and rear shock is crucial for maintaining performance, especially after hard off-road use.
Clutch Wear:
Clutch plates may require replacement based on riding style and hours, particularly in stop-and-go or aggressive off-road conditions.
Manufacturer:
Yamaha Motor Company, Ltd.
Specialty:
Renowned for performance motorcycles, particularly in off-road and racing applications
Wr Series Origin:
The WR250F is Yamaha's competitive off-road enduro model, derived from their motocross lineage (YZ250F)
2011 Updates:
The 2011 model saw chassis refinements and potential minor engine tuning updates from previous years, often focusing on improved handling and power delivery for enduro competition. Specific major overhauls in 2011 were not as significant as the introduction of the fuel-injected 450cc WR450F around this period.
Production Start Year:
2001 (for the WR250F lineage)
Industry Recognition:
Yamaha's WR-F series is consistently recognized for its performance, durability, and handling in the competitive off-road and enduro segments.
Performance Reviews:
Often praised for its potent engine, advanced suspension (KYB SSS), and agile chassis by off-road publications.
Emissions:
Meets relevant emissions standards for its model year and intended market.
