🏷️ Basic Information

Make:

Yamaha

Model:

Fazer 400

Year:

2001

Model Code:

4DX1

👋 Introduction

Segment:

Sport touring, naked sportbike.

Target Audience:

Riders seeking a versatile motorcycle for commuting, touring, and spirited riding.

Key Competitors Circa 2001:

Honda CB600F Hornet, Suzuki Bandit 600, Kawasaki ER-5, Triumph Speed Four.

Design Philosophy:

Combines sporty handling with comfort for longer rides, practical features for everyday use.

Engine Type:

Liquid-cooled, four-stroke, DOHC, inline-four cylinder engine known for its smoothness and power delivery.

📋 Manual Details

Primary Coverage:

Service and Repair

Secondary Coverage:

Maintenance, Troubleshooting, Diagnostics, Electrical Systems, Engine, Chassis

Estimated Pages:

400-500

Type:

Factory Service Manual

Language:

English

Format:

Digital (PDF)

📖 Manual Coverage

Engine:

Complete engine overhaul, cylinder head, pistons, crankshaft, lubrication system, cooling system, fuel injection system, ignition system, exhaust system.

Transmission:

Clutch operation, gearbox disassembly and reassembly, shift drum and fork inspection, lubrication.

Chassis:

Frame inspection and repair, front fork (telescopic type) disassembly, oil seal replacement, spring rates, rear suspension (monoshock) adjustments and rebuilding, wheel bearings, steering head bearings.

Brakes:

Front and rear brake system inspection, hydraulic fluid replacement, caliper servicing, master cylinder overhaul, brake pad and disc wear specifications, bleeding procedures.

Electrical System:

Wiring diagrams, battery maintenance, charging system (alternator, regulator/rectifier), starter motor, lighting circuits (headlight, taillight, indicators), ignition control module (ICM), sensors (TPS, MAP, etc.), diagnostic codes, troubleshooting common electrical faults.

Fuel System:

Fuel tank removal and cleaning, fuel pump operation, fuel filter replacement, fuel injector cleaning and testing, throttle body inspection.

Maintenance:

Oil change intervals and procedures, filter replacement, spark plug replacement and gap specifications, air filter cleaning/replacement, chain lubrication and adjustment, brake fluid flush, coolant flush and replacement.

Troubleshooting:

Step-by-step diagnostic flowcharts for common performance issues, starting problems, electrical malfunctions, and braking system faults.

Repair:

Detailed instructions for component removal, installation, adjustment, and rebuilding for all major systems of the motorcycle.

Diagnostics:

Identification of error codes, sensor data interpretation, circuit testing using multimeters and oscilloscopes.

Depth:

Comprehensive; covers everything from basic rider maintenance to full engine and transmission rebuilds, including detailed torque specifications and component tolerances.

📊 Manual Specifications

Digital Format:

PDF

Searchability:

Searchable text content for quick information retrieval.

Printability:

Printable pages for workshop use.

Image Resolution:

High-resolution diagrams and illustrations for clarity.

Binding:

N/A (Digital PDF)

Paper Type:

N/A (Digital PDF)

⚙️ Engine Specifications

Engine Family:

Genesis Fazer

Engine Configuration:

Inline 4-cylinder

Displacement:

399 cc

Bore X Stroke:

56.5 mm x 39.2 mm

Valve Mechanism:

DOHC, 4 valves per cylinder

Cooling System:

Liquid-cooled

Compression Ratio:

11.5:1

Horsepower Peak:

Approximately 53 hp @ 11,000 rpm (claimed)

Torque Peak:

Approximately 3.7 kg-m @ 9,000 rpm (claimed)

Fuel Delivery:

Electronic Fuel Injection (EFI)

Fuel Type:

Unleaded gasoline

Fuel Tank Capacity:

19 Liters

Oil Type Recommendation:

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

Oil Capacity W Filter:

3.4 Liters

Ignition Type:

Transistor Controlled Ignition (TCI)

Spark Plug Type:

NGK CR9E (or equivalent)

Spark Plug Gap:

0.8 - 0.9 mm

🔧 Transmission

Transmission Type:

Constant mesh, 6-speed

Clutch Type:

Wet, multiple disc

Final Drive:

Chain drive

Gear Ratios:

1st: 2.750, 2nd: 2.056, 3rd: 1.650, 4th: 1.350, 5th: 1.150, 6th: 0.965

Transmission Oil Type:

Yamalube 4 (or equivalent) SAE 10W-30 API SE, SF, SG, SH, SJ

Transmission Oil Capacity:

1.1 Liters

📐 Dimensions

Length:

2,085 mm

Width:

745 mm

Height:

1,160 mm

Wheelbase:

1,440 mm

Ground Clearance:

140 mm

Dry Weight:

174 kg

Wet Weight:

Approx. 196 kg (fully fueled, fluids)

Load Capacity:

Typically rated for rider and passenger plus moderate luggage.

Front Tire Size:

120/60ZR17 M/C (55W)

Rear Tire Size:

160/60ZR17 M/C (69W)

Front Wheel Type:

Cast aluminum alloy

Rear Wheel Type:

Cast aluminum alloy

Front Wheel Rim Size:

MT3.50 x 17

Rear Wheel Rim Size:

MT5.00 x 17

🛡️ Safety Features

Crash Safety Ratings:

Motorcycle safety is typically assessed based on design features and rider skill, not formal crash test ratings like cars. The manual covers safe operating procedures.

Braking System:

Hydraulically operated disc brakes, front and rear, for effective stopping power.

Suspension System:

Telescopic front forks and a mono-cross rear suspension system designed for stable handling and feedback.

Lighting:

Halogen headlight, LED taillight and brake light, amber turn signals for visibility.

Ergonomics:

Upright riding position to reduce fatigue on longer journeys.

💡 Technology Features

Display Features:

Analog tachometer, digital speedometer, odometer, trip meter, fuel gauge, coolant temperature gauge.

ABS Availability:

ABS (Anti-lock Braking System) was not a standard or widely available option on the 2001 Fazer 400 model. It may have been an aftermarket addition or available on specific regional variants.

Connectivity Features:

N/A - This motorcycle model predates widespread integration of modern connectivity features found in contemporary vehicles.

🔧 Maintenance

First Service:

1,000 km or 1 month (whichever comes first).

Subsequent Services:

Every 6,000 km or 6 months (whichever comes first). Includes oil filter, spark plugs, valve clearance checks, brake and clutch fluid, throttle cable, etc.

Engine Oil Viscosity:

SAE 10W-40 recommended for most ambient temperatures.

Brake Fluid Type:

DOT 4 (ISO Class 4)

Coolant Type:

High-quality ethylene glycol-based coolant with de-ionized water (50:50 mix).

Fork Oil Type:

Yamaha Genuine Fork Oil (or equivalent) SAE 10 (or per manual specification).

Fork Oil Level:

125 mm (measured from top of inner tube with spring removed and fork fully compressed).

Common Wear Items:

Brake pads, tires, chain and sprockets, clutch plates, wheel bearings.

Potential Electrical Issues:

Occasional regulator/rectifier failure, wiring harness wear, especially at steering head.

Engine Performance Tips:

Regular cleaning of fuel injectors and throttle bodies, checking air filter, and ensuring correct spark plug gap contributes to optimal performance.

📚 Vehicle History

Yamaha Motors Corporation:

Founded in 1955, Yamaha Motor Corporation is a leading manufacturer of motorcycles, marine products, and powersports vehicles, known for its innovation and performance.

Fazer Lineage:

The Fazer line has a history of providing versatile motorcycles combining sportbike performance with practical touring capabilities. The 400cc variant was primarily for markets with engine displacement restrictions.

Production Period:

The Fazer 400 series, including the 2001 model, was produced for various markets throughout the late 1990s and early 2000s.

Manufacturing Location:

Primarily manufactured in Japan.

🏆 Awards & Recognition

Automotive Press Reviews:

Generally well-received for its balanced performance, handling, and versatility within its class, often praised for its smooth inline-four engine.