Target User:
ATV owners seeking to perform their own maintenance and repairs, professional mechanics.
Value Proposition:
Provides professional-grade repair information, saving significant costs compared to dealership service.
Instruction Style:
Step-by-step instructions for clarity and accuracy.
Download Availability:
Instant download post-payment for immediate access.
General Coverage:
Comprehensive service and repair for the entire vehicle.
Engine Coverage:
Engine overhaul, tuning, lubrication, cooling, fuel, exhaust.
Transmission Coverage:
Clutch, gearbox, drive shafts, final drive.
Chassis Coverage:
Frame, suspension (front and rear), steering, wheels, tires.
Electrical Coverage:
Ignition system, charging system, lighting, controls, wiring diagrams.
Bodywork Coverage:
Body panels, fenders, racks, seat.
Special Equipment Coverage:
Brake system, cooling system.
Estimated Page Count:
500+
Type:
Factory-type Service Repair Workshop Manual
Format:
PDF (Portable Document Format)
Compatibility:
PC & MAC Compatible
Engine Management:
Carburetor tuning, jetting, fuel delivery, air intake system.
Ignition System:
Spark plug specifications, ignition timing, CDI unit.
Cooling System:
Radiator, coolant specifications, fan operation.
Lubrication System:
Oil pump, oil filter, oil specifications and capacities.
Transmission Drivetrain:
Clutch adjustment and replacement, gear inspection, differential maintenance.
Suspension Steering:
Front and rear shock absorber service, ball joint inspection, tie rod end replacement, steering column adjustment.
Braking System:
Hydraulic system, brake pad replacement, caliper service, brake fluid specifications.
Electrical Systems:
Battery maintenance, charging system diagnostics, headlight/taillight service, starter motor.
Fuel System:
Fuel tank cleaning, fuel filter replacement, fuel line maintenance.
Exhaust System:
Muffler inspection, exhaust gasket replacement.
Maintenance Procedures:
Regular servicing, oil changes, filter replacements, lubrication points.
Troubleshooting Guides:
Diagnostic procedures for common problems, symptom-based troubleshooting.
Repair Procedures:
Step-by-step instructions for all mechanical and electrical repairs.
Rebuild Instructions:
Complete engine and transmission overhaul procedures.
Disassembly Assembly:
Detailed instructions for component removal and reinstallation.
Adjustment Procedures:
Carburetor idle speed, clutch engagement, brake lever free play.
Wiring Diagrams:
Complete and detailed electrical system schematics.
Depth Of Information:
Professional mechanic level, covering diagnostics, repairs, and component overhaul.
Visual Aid Quality:
Highly detailed exploded pictures and diagrams.
Engine Type:
Four-stroke, SOHC, Air-Cooled
Displacement:
230 cc (Cubic Centimeters)
Bore X Stroke:
68.5 mm x 64.0 mm (Approximate)
Compression Ratio:
9.0:1 (Approximate)
Horsepower:
Approximately 16-18 HP (Varies by year and tuning)
Torque:
Approximately 13-15 lb-ft (Varies by year and tuning)
Fuel Delivery:
Carburetor (Mikuni VM series or similar)
Fuel Type:
Unleaded Gasoline (Regular Octane)
Fuel Capacity:
Approximately 2.6 US Gallons (9.8 Liters) including reserve
Oil Type:
Yamalube 4 (or equivalent SAE 10W-40, API SE, SF, SG, SH, SJ)
Oil Capacity With Filter Change:
Approximately 1.6 US Quarts (1.5 Liters)
Spark Plug Gap:
0.6 - 0.7 mm (0.024 - 0.028 in)
Spark Plug Type:
NGK CR7HSA or Denso U22FS-U
Overall Length:
Approx. 71.3 in (1810 mm)
Overall Width:
Approx. 42.1 in (1070 mm)
Overall Height:
Approx. 41.5 in (1055 mm)
Wheelbase:
Approx. 47.6 in (1208 mm)
Ground Clearance:
Approx. 7.1 in (180 mm)
Dry Weight:
Approx. 408 lbs (185 kg)
Wet Weight:
Approx. 425 lbs (193 kg)
Payload Capacity:
Approx. 340 lbs (155 kg)
Towing Capacity:
N/A (Typically not rated for towing)
Atv Safety Standards:
Adheres to applicable ANSI/SVIA safety standards for ATVs.
Braking System Type:
Hydraulic front disc brakes, Rear drum brake.
Lighting:
Dual Halogen headlights, Taillight/Brake light.
Handlebar Design:
Protective handgrips and padded handlebar crossbar.
Engine Oil Change:
Every 100 hours or annually, whichever comes first.
Air Filter Cleaning:
Every 20 hours or more frequently in dusty conditions.
Spark Plug Inspection Replacement:
Inspect every 50 hours, replace as needed.
Clutch Adjustment:
Inspect and adjust every 100 hours.
Brake Fluid Check:
Check level and condition monthly.
Engine Oil Viscosity:
SAE 10W-40
Brake Fluid Type:
DOT 3 or DOT 4 Hydraulic Brake Fluid
Carburetor Cleaning:
Carburetors can sometimes clog with debris, requiring regular cleaning and fuel stabilizer use.
Clutch Wear:
Over time, the automatic clutch can experience wear, affecting engagement and power delivery.
Rear Axle Bearings:
Rear axle bearings can be a point of wear, especially with heavy use or submersion in water.
Yamaha Atv History:
Yamaha has a long history of innovation and reliability in the ATV market, often pioneering new technologies and designs.
Timberwolf Positioning:
The Timberwolf YFB250 was positioned as a versatile, reliable recreational and utility ATV, often favored for its manageable size and ease of use.
Manufacturing Location:
Typically manufactured by Yamaha Motor Corporation.
