Target Audience:
Recreational riders and entry-level ATV users; well suited to smaller and less experienced operators
Machine Class:
Entry-level utility/recreational ATV with 125cc four-stroke engine and automatic transmission
Engine:
Air-cooled 124cc four-stroke single
Transmission:
V-belt automatic with forward, neutral, and reverse
Notable Traits:
Simple maintenance requirements, shaft final drive, electric start
Manual Type:
Owners Manual (official Yamaha factory publication)
Coverage Areas:
Operation, controls, pre-ride inspection, break-in, maintenance, storage, and safety
Page Count:
N/A - not specified for this manual
Delivery Method:
Instant download
Engine:
Periodic checks, oil level, spark plug, air filter, and crankcase breather
Fuel System:
Fuel tank, fuel cock, and carburetor adjustment basics
Drive Train:
V-belt automatic transmission and shaft drive checks
Chassis:
Front and rear suspension, wheel inspection, and tire pressure
Brakes:
Front and rear brake inspection, adjustment, and pad/shoe wear limits
Electrical:
Battery care, lighting, and switches
Pre-Operation Checks:
Full pre-ride inspection checklist
Periodic Maintenance:
Maintenance interval charts for initial and regular service
Adjustments:
Throttle free play, brake lever/pedal adjustment, and cable lubrication
Cleaning and Storage:
Washing procedures and long-term storage instructions
Troubleshooting Basics:
Owner-level starting and running fault guidance
Emergency Procedures:
Flat tire, engine flooding, and stall recovery guidance
Depth Level:
Owner-level maintenance and operation, not a full workshop service manual
Torque Specifications:
Key fastener torque values where applicable
Tools Required:
Basic hand tools for routine owner maintenance
Lubrication Points:
Cables, levers, and pivot points lubrication schedule
Wear Limits:
Brake pad/shoe and other consumable wear specifications
Parts References:
Illustrated component identification throughout
Replacement Filters:
Air filter element part number guidance
Consumables:
Recommended spark plug type and oil capacity information
Genuine Parts:
Emphasis on Yamaha Genuine Parts for repairs
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
Engine Type:
Air-cooled 4-stroke SOHC single cylinder
Bore x Stroke:
49.0 mm x 66.0 mm
Compression Ratio:
N/A - not specified in this owners manual
Starting System:
Electric start with recoil backup
Fuel System Type:
Carburetor (Mikuni)
Fuel Tank Capacity:
Approximately 7.5 liters (1.98 US gal)
Recommended Fuel:
Regular unleaded gasoline
Performance Figures:
N/A - owners manual does not publish horsepower figures
Standard Transmission:
V-belt automatic (CVT) with forward, neutral, and reverse
Optional Transmission:
N/A - no optional transmission offered on this model
Features:
Fully automatic operation requiring no clutch or shifting by the rider
Transmission Oil:
SAE 10W-30 API SE or higher, approx. 0.14 L change capacity
Wheelbase:
Approximately 1,090 mm (42.9 in)
Overall Length:
Approximately 1,650 mm (65.0 in)
Overall Width:
Approximately 810 mm (31.9 in)
Overall Height:
Approximately 975 mm (38.4 in)
Ground Clearance:
Approximately 125 mm (4.9 in)
Curb Weight:
Approximately 154 kg (340 lb)
Tire Sizes:
Front: AT21 x 8-9; Rear: AT22 x 10-9
Recommended Tire Pressure:
Approximately 25 kPa (0.25 kgf/cm2, 3.6 psi) front and rear
Warning System:
Reverse indicator light and neutral indicator light
Speed Limiter:
Adjustable throttle limiter screw for less experienced riders
Foot Protection:
Footboards and heel guards
Exhaust Protection:
Heat shield on muffler
Safety Instructions:
Dedicated safety chapter covering riding gear, loading, and riding technique
Labels:
Warning and caution label locations illustrated
Crash Test Ratings:
N/A - ATVs are not subject to passenger vehicle crash test ratings
Instrument Cluster:
Speedometer, odometer, neutral indicator, reverse indicator, and main switch
Lighting:
Headlight with high/low beam and taillight
Start System:
Electric starter with handlebar start switch
Infotainment and Driver Assistance
Audio System:
None - this ATV is not equipped with an audio system
Driver Assistance:
N/A - not equipped on a 2002 ATV; guidance limited to throttle limiter for rider control
Break-In Service:
Initial inspection at 1 month or 200 km (120 mi)
Regular Service:
Periodic maintenance every 3 months or 600 km (370 mi), whichever comes first
Engine Oil:
Change at break-in and every 3 months or 600 km
Air Filter:
Clean every 600 km or more often in dusty conditions
Engine Oil:
SAE 10W-30, API SE or higher, 4-stroke motorcycle oil
Engine Oil Capacity:
Approximately 1.0 liter at oil change
Transmission Oil:
SAE 10W-30, approximately 0.14 L
Brake Fluid:
DOT 3 or DOT 4 as applicable to brake system
Known Issues / Wear Items
Common Wear Items:
Brake pads and shoes, air filter element, spark plug, drive belt
Dusty Condition Care:
More frequent air filter cleaning and cable lubrication required
Storage Care:
Fuel system draining and battery maintenance for off-season storage
Manufacturer:
Yamaha Motor Company, Japan; founded 1955, producing motorcycles and ATVs since the 1960s-70s
Yamaha ATV Heritage:
Yamaha introduced the Tri-Moto three-wheeler in 1979 and became a leading ATV manufacturer
Model Introduction:
Breeze introduced in 1989 as a beginner-friendly automatic 125cc ATV
Production Span:
Produced through 2004 with minor updates before being succeeded by the Grizzly 125
Production Location:
Manufactured in Japan