Positioning:
The YFM 250 RX Raptor is positioned as a recreational and sport ATV, offering a blend of performance and agility.
Competitors:
Competes with other sport ATVs in its class from brands like Honda (TRX series), Suzuki (LT-Z series), and Kawasaki (KFX series).
Features:
Known for its sporty design, comfortable riding position, and capable engine for its displacement class.
Systems Covered:
General Information, Specifications, Periodic Checks and Adjustments, Engine, Cooling System, Carburetor, Drive Train, Chassis, Electrical, Troubleshooting
Type:
Service Repair Manual
Manual Scope:
Factory service repair manual, offering professional-level repair information.
Accessibility:
Instant download for immediate access, no shipping costs or waiting.
Engine Overhaul:
Complete engine disassembly, inspection, repair, and reassembly procedures
Cooling System:
Radiator, coolant, fan, water pump, and hose inspection and service
Fuel System:
Carburetor tuning, cleaning, and rebuilding procedures
Drive Train:
Clutch, transmission, final drive, and shaft inspection and service
Chassis:
Frame, suspension, steering, brakes, and wheel service
Electrical System:
Ignition, lighting, charging system, battery, and wiring harness diagnostics and repair
Frame Inspection:
Procedures for inspecting the integrity of the ATV frame.
Steering System:
Service and adjustment for the steering components.
Maintenance:
Detailed maintenance schedules and procedures to prevent future damage
Diagnostics:
Comprehensive troubleshooting guides and diagnostic flowcharts
Rebuilding:
Step-by-step instructions for rebuilding major components
Restoration:
Guidance for refurbishing and restoring the ATV to original specifications
Step By Step Instructions:
Provides step-by-step instructions for all repair, rebuild, and refurbishment processes.
Depth:
Covers all diagnostic and repair procedures, from basic maintenance to advanced rebuilds
Illustrations:
Contains detailed illustrations to guide users through repair and maintenance tasks.
Engine Type:
4-stroke, SOHC, 2-valve
Bore X Stroke:
74.0 mm x 58.0 mm
Horsepower:
Approx. 17-19 HP (Manufacturer's rating may vary, manual will provide precise figures)
Torque:
Refer to manual for specific torque figures and delivery curve
Carburetor Model:
Mikuni VM30SS (or similar, manual will confirm specific model and jetting)
Fuel Type:
Unleaded gasoline
Ignition System:
CDI (Capacitor Discharge Ignition)
Cooling Method:
Liquid-cooled
Cylinder Arrangement:
Single-cylinder
General Safety:
As a sport ATV, emphasis is placed on rider skill and adherence to safety protocols outlined in the owner's manual and this service manual.
Brakes:
Front: Dual hydraulic disc; Rear: Hydraulic disc. Manual details inspection and service.
Tire Specifications:
Front: AT21x7-10; Rear: AT20x10-9 (or equivalent, manual will specify exact OEM sizes and recommended pressures)
Oil Change Interval:
Refer to the manual for specific mileage or hours intervals, typically around 100 hours or annually.
Air Filter Cleaning:
Recommended before each ride or after dusty conditions, detailed cleaning procedures in the manual.
Engine Oil Type:
Yamalube 4 (or equivalent API SG, SAE 10W-30, JASO MA certified oil). Manual will provide exact specifications and capacity.
Coolant Type:
High-quality engine coolant, a 50/50 mixture of ethylene glycol and distilled water. Manual specifies type and capacity.
Brake Fluid Type:
DOT 3 or DOT 4 brake fluid. Manual will confirm the exact requirement.
Common Wear Items:
Chain and sprockets, brake pads, tires, and air filter are common wear items. The manual provides wear limits and replacement procedures.
Carburetor Tuning:
Carburetor may require periodic cleaning and adjustment for optimal performance, especially with changes in altitude or fuel quality. Manual provides comprehensive tuning data.
Yamaha Atv Legacy:
Yamaha has a long-standing history and reputation in the ATV market, particularly with the successful Raptor line.
Raptor Lineage:
The Raptor platform has evolved significantly, with the 250cc model serving as an entry-level to mid-level sport ATV, sharing design cues and technology with its larger siblings.
Production Era:
The YFM 250 RX Raptor was produced for several model years, with the 2008 model representing a specific iteration within its production run.
