Target Audience:
ATV owners, DIY mechanics, repair shops, parts suppliers specializing in Yamaha ATVs.
Unique Selling Proposition:
Instant digital access, comprehensive part numbers and diagrams for every component, high zoomability for precision.
Manual Value:
The ONLY Parts List Manual You Will Ever Need for this model.
User Friendliness:
Extremely easy to use, specifically designed to aid in disassembly and reassembly.
Engine Components:
Cylinder block, cylinder head, piston, crankshaft, camshaft, valves, timing system, lubrication system, cooling system components, exhaust system components.
Fuel System Components:
Carburetor, fuel tank, fuel lines, fuel filter, throttle system.
Drivetrain Components:
Transmission, clutch, drive shafts, differential (if applicable), rear axle, sprockets, chain.
Suspension Components:
Front suspension (A-arms, shocks, springs), rear suspension (swingarm, shock, spring).
Braking System Components:
Front brake calipers, rotors, brake lines; Rear brake caliper, rotor, brake lines, parking brake mechanism.
Electrical System Components:
Ignition system (spark plug, CDI unit, ignition coil), lighting system (headlight, taillight, brake light), starting system (starter motor, solenoid), battery, wiring harnesses, switches, sensors.
Body And Frame Components:
Frame, body panels, fenders, handlebars, seat, footpegs, racks, bumpers.
Control Mechanisms:
Throttle controls, brake levers, shifter mechanisms, steering components.
Assembly Disassembly Guidance:
Detailed exploded diagrams aiding in component identification and understanding of assembly/disassembly sequences for all parts.
Part Identification:
Comprehensive listing of every part with manufacturer part numbers.
Visual Aid For Repair:
Exploded views provide clear visual references for component placement and interaction.
Detail Level:
High (Includes smallest components, zoomable views for fine detail).
Purpose:
Essential for identifying correct replacement parts and understanding OEM configurations.
File Type:
Portable Document Format (PDF)
Readability:
Very easy to read, with the ability to enlarge views.
Printability:
Printable pages on demand for specific repair needs.
Binding Method:
Not Applicable (Digital Download)
Paper Quality:
Not Applicable (Digital Download)
Engine Displacement:
230 cc (approximate, based on model series)
Engine Configuration:
Single-cylinder, 4-stroke
Cooling System:
Air-cooled
Horsepower Estimation:
Approximately 15-20 HP (typical for this class and displacement)
Torque Estimation:
Variable, optimized for low-end torque for off-road use.
Carburetion:
Mikuni Carburetor (specific model typically found in diagrams)
Fuel Type:
Unleaded gasoline
Overall Length:
Approximately 73.6 inches (1870 mm)
Overall Width:
Approximately 41.7 inches (1060 mm)
Overall Height:
Approximately 42.1 inches (1070 mm)
Dry Weight:
Approximately 430 lbs (195 kg)
Fuel Tank Capacity:
Approximately 2.6 gallons (9.8 L)
Ground Clearance:
Approximately 5.3 inches (135 mm)
Oil Change Interval:
Typically every 100 hours or annually (refer to specific manual sections for exact intervals and fluid types).
Air Filter Cleaning:
Recommended every 20-40 hours of operation, depending on operating conditions.
Spark Plug Check:
Inspect and clean/gap every 100 hours or annually.
Engine Oil Type:
Yamalube 4 (or equivalent SAE 10W-30 or 20W-40 API SG or higher motorcycle oil).
Engine Oil Capacity:
Approximately 1.7 L (1.8 US qt) when filter is changed (refer to manual for exact figure).
Gear Oil Type:
Yamalube Gear Oil (or equivalent SAE 80 Hypoid Gear Oil).
Carburetor Maintenance:
Occasional cleaning and adjustment may be needed due to fuel quality or debris.
Cv Belt Wear:
CVT drive belts can wear over time and require periodic inspection and replacement.
Suspension Bushings:
Wear on suspension and A-arm bushings can lead to play and affect handling.
Yamaha Atv Legacy:
Yamaha has a long-standing reputation for producing reliable and capable ATVs since the early days of the ATV market.
Timberwolf Lineage:
The Timberwolf series was a popular line of mid-size ATVs known for their utility and recreational capabilities, often serving as a bridge between entry-level and sport ATVs.
Production Period:
The Timberwolf YFB250 was produced for several years, with the 2000 model representing a refinement of this successful platform.