Vehicle Segment:
Sport ATV / Youth ATV.
Target Audience:
Recreational riders, amateur racers, and owners seeking comprehensive maintenance and repair guidance for their Yamaha Raptor 250R.
Competitors:
Honda TRX250EX/X, Suzuki QuadSport Z250, Kawasaki KFX250.
Key Selling Points:
The manual offers the definitive guide for one of Yamaha's popular sport ATV models, providing detailed procedures and diagrams that are critical for maintaining optimal performance and longevity.
Manual Highlight 1:
Comprehensive coverage from wheel-to-wheel, encompassing all major mechanical and electrical systems.
Manual Highlight 2:
Inclusion of both a detailed workshop/service manual and a user-friendly owner's manual for a complete ownership resource.
Manual Highlight 3:
Visually supported with detailed procedures and pictures, alongside exploded parts diagrams for clarity in assembly and disassembly.
Manual Highlight 4:
Special emphasis on troubleshooting and electrical systems, often the most complex aspects of ATV repair.
Manual Highlight 5:
Guaranteed accuracy for the specified model years (2009-2013 Yamaha Raptor 250R YFM250R), ensuring users receive the correct information.
Engine Systems:
Engine assembly, disassembly, diagnosis, top-end rebuilds (cylinder head, valves, camshafts), bottom-end rebuilds (crankshaft, connecting rod, bearings), cooling system, lubrication system, fuel system (carburetor, fuel delivery), ignition system, starting system, exhaust system.
Drivetrain Systems:
Transmission (gearbox operation, inspection, repair), clutch system (operation, adjustment, replacement), final drive (chain, sprockets, inspection, replacement), drive shafts, CV joints.
Chassis Systems:
Frame, suspension (front and rear shock absorbers, A-arms, linkages, bearings), steering system (handlebars, steering stem, tie rods, steering knuckles), wheels, tires, brakes (hydraulic system, calipers, rotors, master cylinders, bleeding), electrical system (wiring diagrams, lighting, battery, charging system, CDI unit, starter motor, fuses, relays).
Bodywork And Trim:
Body panels, plastics, seat, fenders, handlebars, grips, footpegs, storage compartments, decals.
Maintenance Procedures:
Routine maintenance checks, oil changes, filter replacements, spark plug replacement, air filter cleaning/replacement, valve clearance adjustment, chain lubrication and adjustment, brake fluid level checks and replacement, coolant checks, battery maintenance, tire pressure checks, general lubrication points.
Troubleshooting And Diagnostics:
Systematic diagnostic procedures for common and uncommon problems, symptom-based troubleshooting, electrical diagnostic flowcharts, engine performance issues, starting problems, suspension binding, brake malfunctions, transmission issues.
Rebuild And Overhaul:
Complete engine teardown and rebuild, cylinder head service (valve jobs, seat grinding, stem seal replacement), carburetor overhaul, transmission disassembly and reassembly, brake caliper overhaul, steering stem bearing service, suspension component rebuild.
Installation And Replacement:
Step-by-step guides for replacing common wear items and components, including brake pads, discs, cables, filters, spark plugs, tires, chains, sprockets, bearings, and more.
Diagnostic Capabilities:
Advanced diagnostic procedures, including pinpointing electrical faults, checking sensor outputs, understanding CDI ignition timing, and diagnosing fuel delivery issues.
Repair Depth:
Full-spectrum repair coverage, from minor adjustments to complete component rebuilds and engine overhauls, suitable for both hobbyist mechanics and professional technicians.
Information Type:
Detailed procedures with accompanying high-quality images and illustrations, exploded parts diagrams for component identification and assembly order, and essential technical specifications.
Engine Type:
Four-stroke, SOHC, liquid-cooled, single-cylinder.
Displacement:
249.9cc (250cc class).
Bore X Stroke:
74.0 mm x 58.0 mm (Typical specifications, exact values confirmed in manual).
Compression Ratio:
9.1:1 (Typical specifications, exact values confirmed in manual).
Horsepower Rating:
Approx. 17-18 HP (at peak RPM, specific figures vary by year and tuning).
Torque Rating:
Approx. 14-15 lb-ft (at peak RPM, specific figures vary).
Fuel Delivery System:
Carburetor (Mikuni BSR33/1).
Fuel Type:
Unleaded gasoline, minimum octane rating of 87.
Ignition Type:
Digital CDI (Capacitor Discharge Ignition).
Cooling Method:
Liquid-cooled.
Oil Type:
Yamaha Yamalube 4 (or equivalent motorcycle-specific 4-stroke engine oil), SAE 10W-40 or 20W-50 depending on ambient temperature. Always refer to manual for exact specifications.
Oil Capacity:
Approx. 1.70 liters (1.8 US qt) with filter change. Specific capacity confirmed in manual.
Safety Certifications:
Manufactured to meet relevant safety standards for ATVs. Specific certifications may vary by region.
Braking System:
Hydraulic disc brakes front and rear for superior stopping power. Manual details bleeding procedures and pad replacement.
Lighting System:
Dual headlights, taillight/brake light. Manual covers bulb replacement and wiring diagnostics.
Frame Construction:
Steel frame providing rigidity and durability. Manual covers frame inspection for cracks or damage.
Suspension Design:
Independent front suspension and swingarm rear suspension for stability and rider comfort. Manual details adjustments and component wear.
Operator Controls:
Handlebar-mounted controls for throttle, brakes, clutch. Engine kill switch, electric start button. Owner's manual section details safe operation.
Engine Oil Change Interval:
Every 3 months or 1000 km (600 miles), or more frequently with heavy use. Specific interval confirmed in manual.
Air Filter Cleaning Interval:
Inspect every month or 500 km (300 miles), clean as needed, replace annually or if damaged. More frequent cleaning in dusty conditions.
Valve Clearance Check:
Recommended every 6 months or 5000 km (3000 miles). Crucial for engine performance and longevity.
Spark Plug Replacement:
Inspect every 5000 km (3000 miles), replace as needed or at scheduled intervals per manual. Standard spark plug is NGK CR9E or equivalent.
Brake Fluid Flush:
Recommended every 2 years or 30,000 km (18,000 miles), or as per manual's inspection. Use DOT 4 brake fluid.
Coolant Type:
Yamaha's Super Coolant or a high-quality ethylene glycol-based antifreeze with corrosion inhibitors. Mix 50/50 with distilled water. Refer to manual for exact capacity.
Grease Type:
Lithium-based soap grease for general lubrication points.
Common Wear Items:
Brake pads and rotors, wheel bearings, steering stem bearings, clutch plates, chain and sprockets, suspension bushings and seals, tires.
Potential Engine Concerns:
While generally reliable, improper maintenance can lead to valve seat wear, carburetor tuning issues, or premature seal failures. Manual provides detailed diagnosis for these.
