🏷️ Basic Information

Make:

Yamaha

Model:

Vmax

Model Code:

VMX12N NC-K KC

Generation Codes:

NC-K (North America), KC (Europe/Japan)

Applicable Model Years:

1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004

👋 Introduction

Market Segment:

High-performance power cruiser motorcycle.

Competitors 1995-2004:

Honda Magna, Suzuki Intruder series, Kawasaki Vulcan series, Harley-Davidson models (depending on specific performance focus).

Vmax Key Features:

Iconic V4 engine, shaft drive, distinctive styling, high torque output, strong acceleration, legendary performance reputation.

📋 Manual Details

Manual Coverage Scope:

Comprehensive service, repair, and workshop operations for the Yamaha Vmax VMX12N (NC-K, KC models).

Estimated Page Count:

300+

Manual Type:

Service Repair Workshop Manual

Language:

English

Format:

Digital (likely PDF)

📖 Manual Coverage

Covered Systems:

Engine (V4, liquid-cooled, 4-stroke), Fuel System (carburetor), Ignition System, Lubrication System, Cooling System, Clutch, Transmission, Drivetrain, Frame, Suspension (front and rear), Brakes (front and rear), Electrical System (wiring diagrams, components), Wheels and Tires, Bodywork, Maintenance Procedures, Troubleshooting.

Included Procedures:

Routine maintenance, scheduled servicing, detailed disassembly and reassembly of major components, engine tuning, carburetor synchronization and adjustment, brake system service, suspension adjustments and rebuilds, electrical system diagnostics and repair, troubleshooting common problems, torque specifications, component testing.

Technical Depth:

In-depth technical information suitable for professional mechanics and experienced DIY enthusiasts. Covers everything from basic fluid changes to complete engine and drivetrain overhauls.

📊 Manual Specifications

Digital File Format:

PDF

Print Quality Expectation:

High-resolution for clear diagrams and text, suitable for printing.

Binding Type:

N/A (Digital Format)

Paper Type Expectation:

N/A (Digital Format - printable on standard paper)

⚙️ Engine Specifications

Engine Type:

V-Four, liquid-cooled, 4-stroke, DOHC, 16 valves

Engine Displacement:

1198 cc (1.2 Liters)

Bore X Stroke:

82.0 mm x 60.5 mm

Compression Ratio:

10.5:1

Horsepower Estimate:

145 hp @ 9,000 rpm (approximate, model dependent)

Torque Estimate:

12.5 kg-m @ 6,000 rpm (approximate, model dependent)

Carburetor Type:

4 x Mikuni BSW37 (Down-draft, constant velocity carburetors) with V.P.O.S. (Variable Porting Oil System) on some models.

Fuel Type:

Unleaded gasoline, minimum 87 octane

Oil Type:

Yamaha Yamalube 4-stroke motorcycle oil (or equivalent API SG, SAE 10W-40 or 20W-40)

Oil Capacity With Filter:

4.0 L (approx.)

Coolant Type:

Permanent Antifreeze/Coolant (50/50 mix of ethylene glycol and distilled water)

Ignition Type:

Digital TCI (Transistor Controlled Ignition)

🔧 Transmission

Transmission Type:

Constant mesh 5-speed sequential

Clutch Type:

Wet, multiple-disc, cable-actuated

Drivetrain:

Shaft Drive

Transmission Gear Ratios:

Refer to manual for specific ratios (typically provided for each gear).

Final Drive Ratio:

10:29 (approx.)

Transmission Fluid Type:

Refer to manual, typically SAE 80W API GL-4 or GL-5 gear oil.

Transmission Fluid Capacity:

Approximately 0.3 L (refer to manual for precise capacity and check procedure)

📐 Dimensions

Overall Length:

2300 mm (approx.)

Overall Width:

775 mm (approx.)

Overall Height:

1100 mm (approx.)

Wheelbase:

1600 mm (approx.)

Ground Clearance:

135 mm (approx.)

Dry Weight:

264 kg (approx.)

Wet Weight:

286 kg (approx.)

Fuel Tank Capacity:

15 Liters

🛡️ Safety Features

Safety Ratings:

N/A (Motorcycle safety ratings are typically not standardized in the same way as automobiles.)

Braking System Front:

Dual hydraulic disc, 282 mm diameter

Braking System Rear:

Single hydraulic disc, 282 mm diameter

Suspension Front Type:

Telescopic fork with adjustable preload and damping

Suspension Rear Type:

Swingarm with adjustable preload and damping (Monoshock or Twin Shocks depending on specific variant, Vmax typically uses twin shocks).

Lighting:

Halogen headlight, LED taillight

💡 Technology Features

Infotainment System:

N/A (No integrated infotainment system on this model).

Driver Assistance Features:

N/A (No electronic driver assistance features like ABS, traction control, or riding modes on most models in this era).

Vpos System:

Variable Porting Oil System (on select models) for optimized lubrication across the RPM range.

🔧 Maintenance

Oil And Filter Change Interval:

Every 4,000 km or 6 months (whichever comes first).

Spark Plug Replacement Interval:

Every 12,000 km or 12 months.

Air Filter Cleaning Interval:

Every 8,000 km or 12 months.

Valve Clearance Check Interval:

Every 24,000 km or 24 months.

Brake Fluid Type:

DOT 4

Coolant Type:

Permanent Antifreeze/Coolant (50/50 mix of ethylene glycol and distilled water)

Common Wear Items:

Clutch plates, brake pads, tires, fork seals, drive shaft U-joints (if applicable to specific year), carburetor diaphragms.

Potential Issues Early Models:

Carburetor synchronization drift, occasional electrical gremlins, potential stator issues (refer to manual for specific diagnostic procedures).

Maintenance Tips:

Regularly check and clean air filter, sync carburetors, ensure proper cooling system function, and maintain correct tire pressures for optimal performance and longevity.

📚 Vehicle History

Yamaha Heritage:

Yamaha Motor Company, a Japanese manufacturer renowned for its innovation in musical instruments and powersports. Founded in 1955, Yamaha has a long history of producing high-performance motorcycles.

Vmax Evolution:

Introduced in 1985 as the VMX12, the Vmax redefined the power cruiser segment. The 1995-2004 models represent a refinement of the original design, featuring improved engine management and chassis components while retaining its iconic aggressive styling and potent V4 engine.

Production Period Covered By Manual:

1995-2004

🏆 Awards & Recognition

Vmax Design Awards:

While not typically receiving formal 'awards' in the automotive sense, the Vmax is widely recognized for its groundbreaking design and performance impact on the motorcycle industry.

Motorcycle Press Ratings:

Consistently rated highly by motorcycle publications for its power, acceleration, and unique character.