Target User:
Mechanics and DIY enthusiasts
Value Proposition:
Provides detailed, comprehensive, and step-by-step repair information for a specific model range, offering significant cost savings over professional servicing for owners.
Highlight:
Instant download capability, printable pages, detailed illustrations, and comprehensive coverage of all service and repair procedures.
Ease Of Use:
Designed for simplicity and ease of understanding, enabling even less experienced personnel to perform satisfactory after-sales service.
Powertrain:
Engine, transmission, drivetrain, cooling system
Chassis:
Frame, suspension (front and rear), steering, wheels, tires
Electrical:
Ignition system, starting system, charging system, lighting, wiring diagrams, battery
Fuel System:
Carburetor, fuel lines, fuel tank
Braking System:
Front and rear brakes, brake fluid, hydraulic lines
Bodywork:
Body panels, seat, fenders, handlebars
Maintenance:
Routine checks, lubrication, filter replacements, adjustments
Troubleshooting:
Diagnosis of common issues, symptom-based problem solving
Repair:
Component disassembly, assembly, and repair for all covered systems
Installation:
Installation procedures for new or replaced components
Adjustments:
Carburetor tuning, brake adjustments, clutch adjustments, suspension settings
Depth:
Comprehensive, from basic maintenance to detailed internal component repair and rebuilds
Detail Level:
Step-by-step instructions with pictorial diagrams, exploded views, and torque specifications
Special Tools:
Includes reference to specific special service tools and their usage
Quality:
High-quality PDF, printable
Searchability:
Likely text-searchable due to PDF format, enhancing usability
Printability:
All pages are printable
Binding:
N/A (Digital PDF Download)
Paper Quality:
N/A (Digital PDF Download)
Software Requirement:
Adobe Reader
Os Compatibility:
Windows, Mac, Linux
Type:
Single-cylinder, 4-stroke, air-cooled (typical for this model era and class)
Displacement:
230cc (approximate, based on model designation YFB250)
Horsepower:
Likely in the range of 15-20 HP (typical for a 230cc utility ATV of this era)
Torque:
Not explicitly stated, but optimized for low-end torque for utility purposes
Carburetor:
Single Mikuni carburetor (common for Yamaha ATVs of this size)
Fuel Type:
Unleaded gasoline
Type:
CDI (Capacitor Discharge Ignition)
Length:
Specific dimensions not provided, but typical for a utility ATV of its class.
Width:
Specific dimensions not provided, but typical for a utility ATV of its class.
Height:
Specific dimensions not provided, but typical for a utility ATV of its class.
Dry Weight:
Approximate dry weight around 450-500 lbs (typical for this class of ATV)
Towing Capacity:
Not explicitly stated but typically limited for utility ATVs of this size and class.
Oil Change:
Refer to the 'Periodic Maintenance Chart' within the manual for specific intervals (typically every 1,000 km or 6 months, whichever comes first).
Air Filter Cleaning:
Regular inspection and cleaning as per manual recommendations, especially in dusty conditions.
Spark Plug Replacement:
Refer to manual for recommended intervals and correct plug type.
Engine Oil:
Yamalube 4 (or equivalent SAE 10W-30 API SE, SF, SG, SH, SJ, SL classification oil) as specified in the manual.
Brake Fluid:
DOT 3 or DOT 4 brake fluid
Gear Oil:
Refer to manual for specific gear oil viscosity and type (likely SAE 80W-90 GL-3 or GL-4 for the final drive).
Carburetor Clogging:
Common issue with older ATVs due to fuel degradation; requires regular cleaning and potentially carb rejetting for optimal performance. Manual provides detailed cleaning procedures.
Suspension Wear:
Ball joints, tie rod ends, and bushings can wear over time, affecting steering and handling. Manual details inspection and replacement procedures.
Electrical Connections:
Corrosion or looseness in electrical connectors can lead to intermittent issues. Manual includes wiring diagrams for diagnosis.
Part Usage:
Strongly recommends using genuine Yamaha parts for reliability and longevity, as outlined in the manual and corresponding parts catalog.
Yamaha Atv Legacy:
Yamaha has a long-standing reputation for producing durable and reliable ATVs, with models like the Timberwolf contributing to their market presence in the utility segment.
Timberwolf Placement:
The Timberwolf was positioned as a versatile and affordable utility ATV, suitable for recreational riding and light farm work. It was a popular model in Yamaha's ATV lineup during the early to mid-1990s.
Production Period:
Produced from approximately 1992 to 1995, representing a specific generation of Yamaha's smaller displacement utility ATVs.
Market Reputation:
While specific awards for the YFB250 Timberwolf aren't readily documented, it was a well-regarded model in its class for its utility and value, contributing to Yamaha's strong market presence in the ATV segment.
Owner Satisfaction:
Generally positive, known for its reliability and ease of maintenance, especially when properly serviced using resources like this manual.
