Positioning:
Practical and capable utility ATV for a wide range of recreational and light work applications.
Competitors:
Honda FourTrax 300 4x4, Suzuki QuadRunner 250 4x4, Kawasaki Bayou 300 4x4.
Features:
Reliable shaft drive 4WD system, comfortable seating, robust chassis, established Yamaha engineering.
Value:
Enables owners and technicians to perform all necessary maintenance, repairs, and diagnostics efficiently and correctly, saving time and money.
Years Covered:
1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000
Regions Covered:
Global (standard specifications)
Estimated Pages:
Hundreds
Type:
Factory Service & Repair Workshop Manual
Usage License:
Unlimited use on multiple devices, life-time access
Powertrain:
Engine, Transmission, Drivetrain, Exhaust
Chassis:
Suspension, Steering, Brakes, Wheels, Tires
Electrical:
Ignition, Lighting, Charging System, Starting System, Wiring Diagrams, Troubleshooting
Bodywork:
Frame, Plastics, Body Panels, Seat, Handlebars
Fuel System:
Carburetor, Fuel Tank, Fuel Lines
Maintenance:
Routine servicing, oil changes, filter replacements, lubrication, adjustments
Troubleshooting:
Diagnosis of common and complex problems, fault finding guides
Repair:
Component disassembly, repair, reassembly, replacement
Overhaul:
Engine rebuild, transmission overhaul, carburetor overhaul
Specifications:
Torque values, clearances, fluid capacities, electrical specifications
Depth:
Comprehensive (from basic maintenance to complete engine rebuilds and electrical diagnostics)
Engine Type:
4-stroke, SOHC, air-cooled
Displacement:
230 cc (229 cm³)
Bore X Stroke:
65.0 mm x 68.5 mm
Horsepower:
Approximately 17-19 HP (estimated, varies by year and specific tuning)
Torque:
Approximately 13-15 lb-ft (estimated)
Fuel Delivery:
Carburetor (Mikuni BS30 for most models)
Fuel Type:
Unleaded gasoline
Ignition System:
CDI (Capacitor Discharge Ignition)
Oil Type:
Yamaha Genuine Motorcycle Oil or equivalent API SG, SAE 10W-30 or 20W-40
Oil Capacity:
Approximately 1.7 liters (1.8 US qt) with filter change.
Length:
Approximately 1955 mm (77.0 in)
Width:
Approximately 1090 mm (42.9 in)
Height:
Approximately 1105 mm (43.5 in)
Wheelbase:
Approximately 1220 mm (48.0 in)
Dry Weight:
Approximately 220 kg (485 lbs)
Ground Clearance:
Approximately 130 mm (5.1 in)
Front Rack Capacity:
Approximately 20 kg (44 lbs)
Rear Rack Capacity:
Approximately 40 kg (88 lbs)
Safety Standards:
Meets applicable ANSI standards for recreational ATVs (as specified by manufacturer at time of sale).
Braking System:
Hydraulic disc brakes front and rear.
Parking Brake:
Drum brake integrated into rear drivetrain.
Lighting:
Dual halogen headlights, LED taillight/brake light.
Rollover Protection:
N/A (Standard ATV design without roll cage)
Infotainment System:
N/A (Basic utility vehicle with no digital infotainment system)
Driver Assistance Features:
N/A
Connectivity Features:
N/A
Transmission Control:
Foot shifter for gear changes, hand lever for clutch engagement.
4Wd Engagement:
Front drive engagement lever (manual operation).
Engine Oil Change:
Every 1000 km (600 miles) or 6 months, whichever comes first.
Air Filter Cleaning:
Every 500 km (300 miles) or 3 months. Replace if damaged.
Spark Plug Check:
Every 1000 km (600 miles) or 6 months. Inspect and adjust gap.
Valve Clearance Check:
Every 4000 km (2400 miles) or 24 months.
Brake Fluid:
DOT 3 or DOT 4
Grease Type:
Lithium-based multipurpose grease
Carburetor Issues:
Can be prone to clogging due to ethanol fuels or debris if not properly maintained or if aftermarket fuel filters are not used. Idle stability can sometimes be affected.
Carburetor Part Number:
Mikuni BS30 (common, verify specific model year)
Ignition Coil Failure:
While generally reliable, ignition coils can fail over time, leading to no-spark conditions.
Starter Solenoid:
Can degrade over time, leading to slow or no cranking.
Repair Focus:
Carburetor cleaning and adjustment, brake pad replacement, suspension linkage lubrication, drive shaft U-joint service.
Heritage:
Yamaha has a long-standing reputation for building durable and reliable powersports vehicles, including ATVs since the 1980s.
Evolution:
The Timberwolf 250 series was Yamaha's entry-level 4WD utility ATV, designed for accessibility and general-purpose use. It was a popular model in its segment.
Production Period:
1993-2000 (exact model year variations exist within this range)
Manufacturing Location:
Japan (typical for Yamaha ATVs of this era)