Target Audience:
Recreational riders and DIY owners performing their own parts replacement and maintenance
Vehicle Class:
Entry-level recreational ATV
Engine:
197cc 2-stroke, air-cooled
Transmission:
Automatic CVT
Rear Suspension:
Swingarm
Brakes:
Drum brakes front and rear
Design Focus:
Robust construction for reliability in various off-road conditions
Engine Components:
Exploded diagrams for cylinder, piston, crankshaft, and related parts
Fuel System:
Carburetor, fuel tank, and fuel line components
Transmission / CVT:
Drive belt, clutch, and variator assemblies
Front Suspension:
A-arm components, bushings, and fasteners
Rear Suspension:
Swingarm, shock absorber, and pivot hardware
Wheels and Brakes:
Drum brake assemblies, hubs, rims, and tires
Steering:
Handlebar, steering stem, and related components
Frame and Body:
Frame, fenders, racks, and body panels
Electrical:
Ignition, wiring, switches, and lighting components
Fasteners and Hardware:
Nuts, bolts, washers, and seals with part numbers
Exploded Diagrams:
Detailed part-by-part breakdowns for accurate component identification
Part Numbers:
Manufacturer part numbers for every illustrated component for ordering
Technical Depth:
Parts identification and ordering reference; not a repair-procedure manual
Maintenance Schedules:
N/A - not detailed within this parts catalog
Fluid Capacities:
N/A - not detailed within this parts catalog
Reference Use:
Essential resource for identifying and ordering replacement parts
Accuracy:
Part numbers match factory cataloging for the 2004 Mongoose LB20AB
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
Standard Transmission:
Automatic CVT (continuously variable transmission)
Optional Transmission:
N/A - CVT was the only configuration offered
Final Drive:
N/A - not specified in available documentation
Features:
Automatic operation, no manual shifting required for recreational trail use
Wheelbase:
N/A - not specified in available documentation
Overall Length:
N/A - not specified in available documentation
Curb Weight:
N/A - not specified in available documentation
Tires:
Off-road tires, sizes listed in the parts catalog wheel sections
Brakes:
Drum brakes front and rear for effective stopping power
Crash Test Ratings:
N/A - ATVs of this type are not crash tested
Passive Features:
Full-length fenders and footwell design typical of recreational ATVs
Operator Requirement:
Helmet and protective gear recommended for off-road use
Electrical and Instrumentation
Ignition:
Electric start with key ignition
Audio System:
N/A - not equipped from the factory
Driver Assistance:
N/A - not applicable to this vehicle class
Lighting:
Headlight and taillight for visibility
Maintenance Schedules:
N/A - not detailed within this parts catalog
Reference Value:
Parts diagrams help maintain the integrity and performance of the ATV during servicing
CVT Drive Belt:
Regular inspection and replacement; part numbers in the CVT section
Brake Components:
Drum brake shoes and springs are common wear items
Suspension Bushings:
A-arm and swingarm bushings wear with off-road use
Two-Stroke Engine Parts:
Piston, rings, and gaskets listed for rebuilds
Manufacturer:
KYMCO (Kwang Yang Motor Co.), a Taiwanese powersports manufacturer
Model Line:
Mongoose sport/recreational ATV line
Production Location:
N/A - not specified in available documentation
2004 Position:
Mongoose LB20AB served as an entry-level 2-stroke recreational ATV in the 2004 lineup