Target Audience:
Owners, DIY mechanics, and technicians servicing the Yamaha Badger YFM80 youth ATV
Advantage:
Same professional-grade manual used by dealership mechanics; complete repair procedures with exploded diagrams at a fraction of dealer labor or repair costs
Instruction Style:
Step-by-step instructions with highly detailed exploded pictures and diagrams
Coverage:
All repair procedures, covering the entire vehicle from front to back
Usability:
Print only the pages you need; PC and MAC compatible
Scope:
Complete vehicle coverage from front to back, including engine, gearbox and clutch, fuel system, brakes, suspension, electrical, body, exhaust, and wheels
Wiring:
Wiring diagrams included
Manual Type:
Professional Service Repair Workshop Manual
Intended Users:
Professional mechanics and DIY owners
Delivery Method:
Instant digital download upon completion of payment
Compatibility:
PC and MAC compatible
Engine:
Complete engine repair and rebuild procedures with specifications
Gearbox and Clutch:
Transmission, gearbox, and clutch disassembly, inspection, and service
Fuel System:
Carburetor service, fuel delivery, and adjustments
Cooling System:
Cooling system inspection and service procedures
Braking System:
Brake inspection, adjustment, and repair
Suspension:
Front and rear suspension service and repair
Electrical System:
Ignition, charging, starting, and lighting circuit service
Wiring Diagrams:
Full wiring diagrams for troubleshooting
Exhaust System:
Exhaust removal, inspection, and installation
Wheels and Tyres:
Wheel, tyre, and hub service procedures
Body and Fixtures:
Body panels, fenders, and fixture removal and installation
Maintenance:
Scheduled maintenance and tune-up procedures
Technical Information:
Technical information and factory specifications
Torque Specifications:
Fastener torque values for reassembly
Troubleshooting:
Diagnostic and fault-finding procedures
Exploded Views:
Highly detailed exploded diagrams for every assembly
Step-by-Step Repair:
Step-by-step instructions for all repair jobs
Printable Pages:
Print any section or page as needed
File Format:
PDF (searchable, bookmarked, zoomable)
Compatibility:
Windows, macOS, Linux, iOS, and Android — any device with a PDF reader
Requirements:
A PDF reader application (e.g. Adobe Acrobat Reader, free)
Searchability:
Fully text searchable for fast lookup of any topic
Print Quality:
High-resolution digital pages, printable at full clarity
Binding Type:
N/A — digital download, no physical binding
Paper Type:
N/A — digital download, no physical paper
Primary Engine:
79cc (approximately 80cc) air-cooled 2-stroke single-cylinder engine
Engine Options Range:
Single engine option for the full 1992-2001 production run
Lubrication:
Oil injection (Autolube) 2-stroke lubrication
Performance and Fuel System
Performance:
Restricted power output suited for youth operation; speed limiter provisions fitted
Fuel System:
Mikuni carburetor
Fuel Type:
Premix or oil-injected gasoline per model year specification
Wheelbase:
Approximately 1,020 mm (40.2 in)
Overall Length:
Approximately 1,415 mm (55.7 in)
Curb Weight:
Approximately 115 kg (253 lb)
Seat Height:
Approximately 580 mm (22.8 in)
Ground Clearance:
Approximately 100 mm (3.9 in)
Crash Test Information:
N/A - ATVs of this era were not subject to passenger-vehicle crash testing
Speed Limiter:
Adjustable throttle limiter screw to restrict top speed for young riders
Engine Stop Switch:
Handlebar-mounted emergency engine kill switch
Parking Brake:
Locking parking brake mechanism
Footwell Design:
Rider footwells integral to chassis for secure foot placement
Service Intervals:
Scheduled maintenance intervals detailed in the manual, including break-in service
Engine Oil (Injection Tank):
Yamaha 2-stroke injection oil or equivalent
Gear Oil:
SAE 10W-30 API SE or higher (approx. capacity 0.9 L)
Spark Plug:
BR8ES type plug per factory specification
Common Wear Items:
Drive belt, brake shoes, chain, sprockets, tyres, and carburetor cleaning
Known Issues:
Carburetor gumming from fuel left standing; drive belt wear; 2-stroke carbon buildup in exhaust
Manufacturer:
Yamaha Motor Co., Ltd., founded 1955, a leading Japanese powersports manufacturer
Model Evolution:
Introduced in 1992 as the Badger YFM80 youth ATV; carried through 2001 with running updates, later succeeded by the Raptor 80
Production Location:
Japan
Production Run:
1992-2001
