🏷️ Basic Information

Make:

Yamaha

Model:

Zuma 125

Year:

2012

Vehicle Type:

Motorcycle

Manual Title:

2012 Yamaha Zuma 125 Motorcycle Service Repair Manual

Product Description:

This Manual Covers 2012 Yamaha ZUMA 125 Motorcycle Service Manual. This manual is just like what the Yamaha dealership uses to do any repairs or maintenance!

👋 Introduction

Segment:

Urban Scooter / Maxi-Scooter

Target Audience:

Commuters, urban riders, recreational riders seeking a practical and stylish scooter.

Competitors:

Honda PCX125, Kymco Agility 125, SYM Fiddle II 125.

Vehicle Selling Points:

Fuel efficiency, comfortable riding position, under-seat storage, rugged styling, reliable Yamaha engineering.

Dealer Equivalence:

Provides the same technical information used by authorized Yamaha dealerships for repairs and maintenance.

Diy Empowerment:

Enables owners to perform a wide range of maintenance and repair tasks, saving time and money.

📋 Manual Details

Coverage Scope:

Comprehensive service and repair procedures for the 2012 Yamaha Zuma 125.

Included Models:

2012 Yamaha Zuma 125 (Model Code BW125A)

Estimated Pages:

300+

Type:

Factory Service Manual / Repair Manual

Language:

English

Format:

Digital (likely PDF, based on common practice for such manuals)

📖 Manual Coverage

Engine:

Detailed diagnostics, disassembly, assembly, and troubleshooting of the 125cc 4-stroke engine.

Fuel System:

Fuel injection system, throttle body, fuel pump, fuel filter, and related sensors.

Ignition System:

Ignition coil, spark plug, ECU control, and timing adjustments.

Transmission:

Automatic CVT (Continuously Variable Transmission) service, clutch, drive belt, and final drive.

Brakes:

Front and rear disc brake systems, hydraulic lines, master cylinders, calipers, and fluid replacement.

Suspension:

Front telescopic fork service, rear shock absorber inspection and replacement.

Electrical System:

Wiring diagrams, battery, charging system (stator, rectifier/regulator), starter motor, lighting, and switches.

Cooling System:

Air-cooled engine thermal management.

Exhaust System:

Muffler, exhaust pipe, and catalytic converter inspection.

Chassis And Bodywork:

Frame inspection, body panel removal and installation, seat, handlebars, and footrests.

Wheels And Tires:

Tire pressure checks, replacement, wheel balancing, and bearing maintenance.

Routine Maintenance:

Oil changes, filter replacements (oil, air), spark plug checks, brake fluid flushes, and chain/belt adjustments (if applicable).

Troubleshooting:

Step-by-step diagnostic procedures for common and uncommon issues with fault codes and symptom analysis.

Disassembly And Assembly:

Detailed instructions for component removal and reinstallation, torque specifications included.

Component Overhaul:

In-depth guides for rebuilding major components like the engine and transmission.

Wiring Diagrams:

Complete electrical schematics for accurate diagnosis and repair.

Depth:

Factory-level detail, suitable for professional mechanics and experienced DIY enthusiasts.

Diagnostic Capabilities:

Includes diagnostic trouble codes (DTCs) and procedures for an EFI system.

Rebuild Specifications:

Provides critical engine component tolerances and rebuild specifications.

📊 Manual Specifications

Format Type:

PDF (Portable Document Format)

Searchability:

Text-searchable, allowing for quick navigation to specific topics.

Printability:

Printable pages for hands-on workshop use.

Image Resolution:

High-resolution diagrams and illustrations for clarity.

Binding:

N/A (Digital Format)

Paper:

N/A (Digital Format)

⚙️ Engine Specifications

Engine Type:

Air-cooled, 4-stroke, SOHC, 2-valve

Displacement:

125cc

Bore X Stroke:

52.4 mm x 57.9 mm

Compression Ratio:

10.0:1

Horsepower Approximate:

10.2 HP @ 7500 RPM (for reference, actual may vary slightly)

Torque Approximate:

9.7 Nm @ 6500 RPM (for reference, actual may vary slightly)

Fuel Delivery:

Fuel Injection (YMJET-FI)

Fuel Tank Capacity:

6.0 Liters (1.59 Gallons)

Recommended Fuel:

Unleaded gasoline, 87 octane or higher

Oil Type:

Yamalube 4 (or equivalent SAE 10W-40 or 20W-40 API SG or higher)

Oil Capacity W Filter:

0.90 Liters (0.95 US qt)

Oil Capacity Wo Filter:

0.80 Liters (0.85 US qt)

Spark Plug Type:

NGK CR7E or DENSO U20FSR-U

Spark Plug Gap:

0.6 - 0.7 mm (0.024 - 0.028 in)

🔧 Transmission

Type:

Automatic CVT

Drive Type:

V-belt drive

Clutch:

Dry, centrifugal, automatic

Final Drive:

Gear reduction

Transmission Oil Type:

Yamalube Gear Oil (or equivalent SAE 80 API GL-4)

Transmission Oil Capacity:

0.10 Liters (0.11 US qt)

📐 Dimensions

Length:

1900 mm (74.8 in)

Width:

745 mm (29.3 in)

Height:

1065 mm (41.9 in)

Wheelbase:

1340 mm (52.8 in)

Ground Clearance:

125 mm (4.9 in)

Seat Height:

785 mm (30.9 in)

Wet Weight:

127 kg (280 lbs)

Gross Vehicle Weight Rating Gvwr:

Approximately 300 kg (661 lbs) - includes rider, passenger, and cargo.

Underseat Storage:

Sufficient space for a full-face helmet and other small items.

🛡️ Safety Features

Crash Safety Standards:

Complies with relevant federal motor vehicle safety standards (FMVSS) for motorcycles.

Braking System:

Front and rear hydraulic disc brakes for reliable stopping power.

Lighting:

Halogen headlamp, taillight, and turn signals for visibility.

Frame Construction:

Steel tube frame for rigidity and stability.

Tyres:

Tubeless tires provide better puncture resistance.

💡 Technology Features

Display Panel:

Analog tachometer with a digital LCD multi-function display showing speed, odometer, trip meter, fuel gauge, and clock.

N A:

No advanced electronic driver assistance systems; focus is on mechanical reliability and simple operation.

N A:

No integrated smartphone connectivity or Bluetooth features.

🔧 Maintenance

First Service:

1000 km (600 miles) or 6 months (whichever comes first) - includes oil change, filter check, spark plug inspection, drive belt check, etc.

Subsequent Service:

Every 5000 km (3000 miles) or 12 months - includes more in-depth checks and replacements like air filter, transmission oil, brake fluid.

Engine Oil Change:

Every 5000 km (3000 miles) or 12 months.

Air Filter Cleaning:

Every 5000 km (3000 miles).

Drive Belt Inspection:

Every 10000 km (6000 miles).

Brake Fluid:

DOT 4 Hydraulic Brake Fluid.

Common Wear Items:

Drive belt, brake pads, tires, and spark plugs are typical wear components requiring periodic inspection and replacement.

Potential Issues:

Occasional reports of slightly rough idling or hesitation in very cold weather (often addressable with ECU re-flash or proper maintenance).

📚 Vehicle History

Yamaha Legacy:

Yamaha Motor Company, founded in 1955, is renowned for its innovation, quality, and performance across motorcycles, marine products, and musical instruments.

Zuma Lineage:

The Zuma 125, introduced as a 2009 model in the US, followed the successful Zuma 50. It was designed to offer more power and capability for longer commutes and light touring while retaining the Zuma's distinctive rugged styling.

Manufacturing Location:

Assembled in Indonesia (for the global market, including North America).

🏆 Awards & Recognition

Motorcycle Journalist Reviews:

Generally praised by motorcycle reviewers for its practicality, fuel economy, and enjoyable urban performance. Often cited as a fun and reliable commuter.