Target Audience:
Entry-level and youth riders, first-time ATV owners, and home mechanics servicing the Breeze 125
Competitive Advantage:
Automatic CVT transmission and low seat height made the Breeze easier to operate than sport quads of the era; simple air-cooled engine kept maintenance DIY-friendly
Key Features:
124cc four-stroke engine, fully automatic CVT with reverse, electric start, shaft final drive, independent front suspension
Manual Type:
Factory-style workshop repair manual
Coverage Areas:
Maintenance, troubleshooting, engine, drivetrain, chassis, electrical service and repair
Delivery Method:
Instant download
Engine:
Cylinder head, valves, camshaft, piston, crankshaft, oil pump, recoil/electric start
Fuel System:
Carburetor, throttle, fuel tank, air filter
Transmission:
V-belt CVT system, centrifugal clutch, reduction gearing, final drive
Suspension:
Front A-arms, rear swingarm, shocks
Brakes:
Front drum brakes, rear drum brake, cable adjustment
Steering:
Steering shaft, handlebar, tie rods
Wheels and Tires:
Wheel removal, tire service specifications
Electrical:
Ignition, CDI unit, charging system, starter, lighting, switches
Frame and Body:
Frame, fenders, racks, seat, footrests
Scheduled Maintenance:
Lubrication, adjustments, and inspection charts
Troubleshooting:
Symptom-based diagnostic charts for engine, drivetrain, and electrical faults
Engine Rebuild:
Step-by-step disassembly, inspection, and reassembly with wear limits
Torque Specifications:
Fastener torque tables throughout all chapters
Wiring Diagrams:
Complete electrical schematics
Technical Depth and Parts
Technical Depth:
Complete teardown-level service data intended for both professionals and DIY owners
Specifications Tables:
Factory service limits, clearances, and torque values
Special Tools:
Listed where required for specific procedures
Parts Information:
Component part numbers and exploded views for identification
Photos and Illustrations:
Wiring diagrams and exploded views included
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:
124cc air-cooled 4-stroke single cylinder SOHC
Bore x Stroke:
49.0 mm x 66.0 mm
Compression Ratio:
Approximately 9.0:1
Starting System:
Electric start with auxiliary recoil
Fuel System:
Mikuni carburetor
Cooling:
Forced air cooling with fan
Rated Output:
Approximately 8-9 hp, tuned for low-end torque
Top Speed:
Limited by CVT for entry-level use
Standard Transmission:
Fully automatic CVT (V-belt), no shifting required
Optional Transmission:
N/A - only the automatic CVT was offered
Features:
Forward, neutral, and reverse; centrifugal clutch engagement
Drive Selector:
Hand-operated shifter for range selection
Wheelbase:
Approximately 1,105 mm (43.5 in)
Overall Length:
Approximately 1,725 mm (67.9 in)
Seat Height:
Approximately 705 mm (27.8 in)
Ground Clearance:
Approximately 145 mm (5.7 in)
Fuel Capacity:
Approximately 7.5 L (2.0 US gal)
Curb Weight:
Approximately 149 kg (330 lb)
Crash Test Ratings:
N/A - ATVs are not crash tested by consumer rating agencies
Active Features:
Engine stop switch (tether type), parking brake, speed-limited CVT
Passive Features:
Foot guards, drive shaft cover, low center-of-gravity chassis design
Owner Requirements:
Yamaha recommends helmet, eye protection, and rider training for all operators
Engine Oil:
Change initial at 1 month / 200 miles, then every 6 months / 600 miles; SAE 10W-40 SE or higher
Oil Capacity:
Approximately 1.3 L at replacement
Air Filter:
Clean every ride in dusty conditions; replace as needed
Spark Plug:
NGK DR8ES or equivalent; inspect/adjust every 6 months
Valve Clearance:
Check/adjust periodically (intake 0.07-0.11 mm, exhaust 0.12-0.16 mm)
CVT Belt:
Inspect for wear and cracking at regular intervals; replace if worn
Final Drive Oil:
Check and replace per interval schedule
Cables and Linkage:
Lubricate throttle and brake cables regularly
Common Wear Items:
CVT belt, brake shoes, chain-none (shaft drive), wheel bearings, carburetor diaphragm
Known Issues:
Carburetor gumming from storage, worn brake shoes, CVT belt wear
Manufacturer:
Yamaha Motor Company, founded 1955, Japan; a leading motorcycle and powersports manufacturer
Model Evolution:
Introduced 1989 as an entry-level automatic ATV; minor running changes over a long 15-year production run ending in 2004, after which it was succeeded by the Grizzly 125 line
Production Location:
Yamaha production facilities for the North American market
