Yamaha WR250 Parts Manual Catalog 1997

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Art.-Nr: 128470

Stichworte: 1997 Marine Motorcycle Sterndrive WR250 Yamaha

Produktvarianten

Beschreibung

This manual provides comprehensive documentation for the 1997 WR250, an off-road motorcycle renowned for its performance and durability in demanding terrain. Building on a strong heritage in off-road racing, the WR250 is designed for riders seeking a capable and reliable machine for various off-road disciplines. Its engineering emphasizes a balance of power, handling, and robustness, making it a favored choice for enthusiasts and competitors alike. The scope of this English-language parts manual is to offer detailed identification, assembly, and disassembly guidance for all components of the 1997 WR250. It includes exploded diagrams, manufacturer part numbers for every part, and information crucial for accurate parts ordering and referencing. This resource is invaluable for owners, mechanics, and technicians aiming to maintain, repair, or restore the WR250, ensuring its optimal performance and longevity through precise part identification and correct assembly procedures.

🏷️ Basic Information

Identification

Make:

Yamaha

Model:

WR250

Year:

Type:

Off-road Motorcycle

👋 Introduction

Market Position

Positioning:

Essential reference for Yamaha WR250 owners and technicians specializing in vintage off-road motorcycles.

Competitive Analysis

Advantage:

Provides manufacturer-specific part numbers and detailed exploded diagrams, crucial for accurate part identification and sourcing.

Key Features

Feature 1:

Professional Quality Parts Manual Catalog with Exploded Diagrams.

Feature 2:

Contains manufacturers part numbers for EVERY part.

Feature 3:

Exploded views aid in assembly/disassembly.

Feature 4:

PDF format for easy reading and printing.

Feature 5:

Instant download for immediate access.

📋 Manual Details

Coverage Areas

Primary Coverage:

Parts identification, assembly, and disassembly

Secondary Coverage:

Parts ordering and referencing

Page Count

Estimated Page Count:

Varies based on specific model year's components, typically 100-300 pages for a comprehensive parts catalog

Manual Type

Type:

Parts Manual / Parts Catalog

Language

Language:

English

Format

File Format:

📖 Manual Coverage

Systems Covered

Engine Components:

Cylinder, piston, crankshaft, camshaft, valves, ignition system, carburetor, cooling system (if applicable)

Drivetrain Components:

Transmission gears, clutch assembly, drive chain, sprockets

Chassis Components:

Frame, suspension (forks, shock absorber), swingarm, handlebars, seat, fuel tank, fenders

Braking System:

Brake levers, master cylinders, calipers, brake discs, brake pads, brake lines

Electrical System:

Wiring harness, lighting, ignition coil, CDI unit, battery, switches

Wheels And Tires:

Rims, spokes, hubs, tires, tubes, wheel bearings

Exhaust System:

Exhaust header, muffler, heat shields

Procedures Included

Assembly Guidance:

Exploded diagrams illustrating correct part placement and order

Disassembly Guidance:

Visual aids for understanding how components are removed

Parts Identification:

Manufacturer part numbers for every component

Ordering Reference:

Facilitates accurate ordering of replacement parts

Technical Depth

Depth:

Component-level detail, including fasteners and small parts

📊 Manual Specifications

File Format

Compatibility:

PC & MAC Compatible

Searchability:

Assumed searchable text within PDF (standard for quality PDF manuals)

Print Quality

Printability:

Print what you need when you need it

Binding Type

Binding:

Digital Download (No physical binding)

Paper Type

Paper:

N/A (Digital format)

⚙️ Engine Specifications

Primary Engine

Engine Type:

Likely liquid-cooled, 2-stroke, single-cylinder (common for WR250 models of this era, though specific variant may differ)

Displacement:

Approximately 239cc (for 2-stroke variants common to the WR250 name)

Performance

Horsepower Est:

Est. 30-40 HP (Varies based on specific tuning and model variant)

Torque Est:

Est. 20-25 lb-ft (Varies based on specific tuning and model variant)

Fuel System

Carburetor Type:

Likely Mikuni VM series carburetor (e.g., VM29 or similar)

Fuel Type:

Unleaded gasoline (typically with specific octane rating recommended in owner's manual)

Ignition

Ignition Type:

CDI (Capacitor Discharge Ignition)

Cooling

Cooling System:

Liquid-cooled

🔧 Transmission

Standard

Transmission Type:

Constant mesh 6-speed manual

Optional

Optional Transmission:

N/A (Motorcycles typically have a single transmission configuration)

Features

Clutch Type:

Wet multi-plate clutch

📐 Dimensions

Exterior

Length Overall:

Specific dimensions available in service manual, typically around 84-86 inches (213-218 cm)

Width Handlebar:

Specific dimensions available in service manual, typically around 30-32 inches (76-81 cm)

Height Seat:

Specific dimensions available in service manual, typically around 37-39 inches (94-99 cm)

Weights

Dry Weight:

Approximately 235-245 lbs (107-111 kg) (Varies by specific model variant)

Wet Weight:

Approximately 250-260 lbs (113-118 kg) (Varies by specific model variant)

Fuel Capacity:

Approximately 2.7-3.2 gallons (10.2-12.1 liters)

🛡️ Safety Features

Ratings

Safety Ratings:

N/A (Motorcycles are not typically rated by entities like NHTSA in the same way as cars)

Active Features

Braking System:

Hydraulic disc brakes front and rear

Lighting:

Headlight, taillight, brake light, turn signals (depending on street legality of specific variant)

Passive Features

Frame Construction:

Steel or aluminum perimeter frame

💡 Technology Features

Infotainment

Infotainment System:

N/A (As this is a 1997 off-road motorcycle, no electronic infotainment systems are present).

Driver Assistance

Assistance Features:

N/A (No electronic rider aids like ABS or traction control).

Connectivity

Connectivity:

🔧 Maintenance

Service Intervals

Oil Change Interval:

Recommended at regular intervals, typically every 15-20 hours of riding or annually, based on service manual.

Air Filter Cleaning:

Frequent cleaning recommended, especially in dusty conditions, often after every few rides.

Spark Plug Replacement:

Recommended every 50-100 hours of riding, or as per manual.

Fluid Specifications

Engine Oil:

Yamaha recommends specific grades of 2-stroke premix oil for injection or for mixing with gasoline. For transmission oil, typically a high-quality motorcycle-specific gear oil (e.g., SAE 80W-90 or SAE 10W-30).

Coolant:

Ethylene glycol-based coolant (50% mix with distilled water) for liquid-cooled engines.

Known Issues

Common Wear Items:

Clutch plates, piston rings, crank seals, spokes, wheel bearings, and suspension seals are common wear items in performance off-road motorcycles.

Carburetor Tuning:

Carburetor jetting may require adjustment based on altitude and temperature for optimal performance.

📚 Vehicle History

Brand Heritage

Heritage:

Yamaha has a long history of producing high-performance off-road motorcycles, particularly in the motocross and enduro segments.

Model Evolution

Wr Series Evolution:

The WR series evolved from Yamaha's successful YZ motocross bikes, featuring modifications for broader off-road usability, wider gear ratios, and often lighting for enduro use.

Production

Production Era:

The WR250 line has been in production for many years, with various iterations and engine configurations (2-stroke and 4-stroke) across different model years.

🏆 Awards & Recognition

Recognitions

Motorcycle Awards:

Specific awards for the 1997 WR250 are not readily documented, but Yamaha's WR series has historically been recognized for its performance and off-road capability by enthusiasts and publications in the motorcycling press.