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2003 Yamaha FZ-S 1000 Fazer Overview
For 2003, Yamaha offers the FZ-S 1000 Fazer as a naked bike motorcycle with 998 cc on tap. The 2003 Yamaha FZ-S 1000 Fazer is built around an In-line four engine running DOHC valve actuation, a compression ratio of 11.8:1. Out on the road, the FZ-S 1000 Fazer delivers 143.1 hp @ 10000 rpm of peak power and 105.9 Nm @ 7500 rpm of torque. Flat out, it's quoted at 260.4 km/h /161.5 mph. In everyday use, the 2003 FZ-S 1000 Fazer tips the scales at 230 kg, carries a 21-litre fuel tank, offers a seat height of 825 mm and spans a 1450 mm wheelbase. That's roughly 29.5 kg heavier than the average naked bike in our database. Every technical detail, from suspension travel to tyre sizes, is covered in the full 2003 Yamaha FZ-S 1000 Fazer spec sheet below.
2003 Yamaha FZ-S 1000 Fazer compared with other bikes in the Naked bike category
Measured against other bikes in the Naked bike category in our database (up to 1125 models, one entry per model), the 2003 Yamaha FZ-S 1000 Fazer comes out as follows.
- With 260 km/h, the FZ-S 1000 Fazer has the 5th highest top speed of 614 bikes in the Naked bike category, 42% above the category average of 183 km/h.
- Power output of 104.3 kW is higher than that of 1059 of the other 1124 bikes in the Naked bike category.
- Only 46 of the other 580 bikes in the Naked bike category have a higher power-to-weight ratio than the 454 W/kg of the FZ-S 1000 Fazer.
- Narrowing the field to the 187 models within five model years of it, the top speed of 260 km/h is higher than that of 185 of the other 186.
Versus the 2002 model
The figures we track are unchanged from the 2002 model: peak power, peak torque, wet weight, displacement, seat height and top speed all match.
2003 FZ-S 1000 Fazer - Pros & Cons
Strengths
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⚡
Strong power output: Peak output on the FZ-S 1000 Fazer is 143.1 hp @ 10000 rpm and 105.9 Nm @ 7500 rpm of torque - strong numbers for what it is.
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Strong front braking: The disc front brake bites hard and stays consistent - a solid foundation whether it's stock or upgraded with braided lines.
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Large fuel range: With a 21-litre tank, this isn't a bike you'll be stopping for fuel every hour - a real asset on longer trips.
Considerations
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Tall seat height: An 825 mm seat puts flat-footing out of reach for a lot of riders - sit on it in person before committing.
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Chain final drive upkeep: A chain drivetrain is the most common setup in its class, but it's also the one that demands the most regular hands-on maintenance.
Wear Points & Servicing Notes
Cooling system servicing
With Liquid cooled,, thermal management is largely automatic, but the coolant has a service life of its own - replace it on the manufacturer's interval to protect the water passages and thermostat.
Valve clearance checks
Valve clearances on DOHC-equipped engines like the FZ-S 1000 Fazer's drift slowly with mileage rather than failing suddenly - sticking to the service interval keeps it a non-issue.
Brake disc and pad wear
2x 298mm discs 4 pistons calipers up front provides the primary stopping power; inspect disc thickness and pad wear at each tyre change to catch scoring before it becomes a rotor replacement.
Suspension condition on used examples
Suspension duties are handled by Telescopic fork, 43mm tubes up front and Link-type swingarm at the rear. Weeping fork seals aren't a dealbreaker on a used bike, but they're a fair basis for negotiating price.
Final drive maintenance
Chain final drive on the FZ-S 1000 Fazer means routine lubing and tension checks are part of ownership - skip them and sprocket wear accelerates noticeably.
Frame & chassis check
The Steel, Double cradle frame chassis holds up well with normal use; on a used bike it's still worth checking the head-stock and swingarm pivot area for impact damage or corrosion.
Handling the weight at a standstill
The FZ-S 1000 Fazer's 230 kg kerb weight is worth factoring into how you handle it at a standstill - parking-lot manoeuvres need a bit more deliberate technique than on a lighter machine.
FZ-S 1000 Fazer - Buying & Maintenance Guide
What to check before buying
A pre-purchase check on the 2003 Yamaha FZ-S 1000 Fazer with its 998 cc naked bike should cover the same ground every time: service history, drivetrain condition, and any oil seepage around the casings. This model runs chain final drive, so check chain slack and sprocket tooth profile specifically - a worn sprocket is a cheaper fix now than after it's chewed up the next chain. Now 23 years old, this naked bike is as likely to show age-related wear (perished rubber, seized fasteners, degraded seals) as mileage-related wear. Start it from cold if you can - a well-kept FZ-S 1000 Fazer settles to a smooth idle within seconds.
Oil and filter changes
Oil changes are the cheapest insurance you can buy for the FZ-S 1000 Fazer's 998 cc in-line four - keep to the manufacturer's interval rather than stretching it. With an 11.8:1 compression ratio, running the octane grade specified in the manual matters more than on a lower-compression engine. Use the viscosity grade the manual specifies, not whatever's on sale.
Carburetor upkeep
An FZ-S 1000 Fazer that's sat unused is almost always a carb-cleaning job before it runs right again - float bowls and pilot jets first, since they clog before anything else.
Valve clearance service
There's no reliable seat-of-the-pants way to tell if an FZ-S 1000 Fazer's valve clearances are in spec - a light top-end tick is the only real warning sign, and by then some wear has already happened. Service records are the only proof.
2003 Yamaha FZ-S 1000 Fazer - Frequently Asked Questions
What engine does the 2003 Yamaha FZ-S 1000 Fazer have?
The 2003 Yamaha FZ-S 1000 Fazer uses an In-line four engine with 998 cc of displacement. It is liquid cooled,.
What is the top speed of the 2003 Yamaha FZ-S 1000 Fazer?
The 2003 Yamaha FZ-S 1000 Fazer has a factory-quoted top speed of 260.4 km/h /161.5 mph. Real-world speeds vary depending on rider weight, conditions and state of tune.
How much does the 2003 Yamaha FZ-S 1000 Fazer weigh?
The 2003 Yamaha FZ-S 1000 Fazer weighs 230 kg. This is the manufacturer's wet figure.
How much power does the 2003 Yamaha FZ-S 1000 Fazer make?
The 2003 Yamaha FZ-S 1000 Fazer produces 143.1 hp @ 10000 rpm of power and 105.9 Nm @ 7500 rpm of torque. These are peak figures.
What is the fuel tank capacity of the 2003 Yamaha FZ-S 1000 Fazer?
The 2003 Yamaha FZ-S 1000 Fazer has a 21-litre fuel tank. At around 5-6 litres per 100 km, that is roughly 350-420 km between stops.
Is the 2003 Yamaha FZ-S 1000 Fazer suitable for shorter riders?
The 2003 Yamaha FZ-S 1000 Fazer has a seat height of 825 mm. This is towards the tall end of the spectrum and will require most riders under 175 cm to tiptoe at stops.
What brakes does the 2003 Yamaha FZ-S 1000 Fazer have?
The 2003 Yamaha FZ-S 1000 Fazer uses 2x 298mm discs 4 pistons calipers at the front and single 268mm disc 2 piston caliper at the rear.
What tyre sizes does the 2003 Yamaha FZ-S 1000 Fazer use?
The 2003 Yamaha FZ-S 1000 Fazer runs 120/70 ZR17 front and 180/55 ZR17 rear tyres. A good selection of sport, touring and all-weather rubber is available in these sizes.
What gearbox does the 2003 Yamaha FZ-S 1000 Fazer have?
The 2003 Yamaha FZ-S 1000 Fazer is fitted with a 6 Speed transmission.
Yamaha FZ-S 1000 Fazer Spec Evolution
The Yamaha FZ-S 1000 Fazer was produced across 4 model years (2001-2004). The table below highlights the key specifications that changed across the production run - useful whether you are comparing years or tracking down a specific variant.
| Specification |
2001 |
2002 |
2003 |
2004 |
| Brakes - Rear Diameter (in.) |
9.6 inches |
10.5 inches |
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10.5 inches |
| Brakes - Rear Diameter (mm) |
245 mm |
267 mm |
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267 mm |
| Colours |
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Yellow, Blue, Silver |
Silver storm, Galaxy blue, Silver tech |
| Power-to-Weight Ratio |
0.6875 HP/kg |
0.6880 HP/kg |
0.6880 HP/kg |
0.6782 HP/kg |
Key Specifications
Power
143.1 hp / 104.3 kW @ 10000 rpm
Torque
105.9 Nm / 78.1 ft.lbs @ 7500 rpm
Top Speed
260.4 km/h /161.5 mph
Fuel Capacity
21 Litres / 4.7 gal
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Full 2003 Yamaha FZ-S 1000 Fazer Specifications
Year
2003
Colours
Yellow, Blue, Silver
Make Model
Yamaha FZ-S 1000 Fazer
Seat Height
825 mm / 32.4 in
Wheelbase
1450 mm / 57.1 in
Ground Clearance
140 mm / 5.5 in
Height
1190 mm / 46.9 in
Length
2125 mm / 83.7 in
Width
765 mm / 30.1 in
Dry Weight
208 kg / 458.6 lbs
Fuel Capacity
21 Litres / 4.7 gal
Wet Weight
230 kg / 507 lbs
Engine Type
In-line four
Fuel Control
DOHC
Stroke
4
Displacement
998 cc / 60.9 cu-in
Engine Detail
Four stroke, transverse four cylinder, DOHC, 5 valves per cylinder.
Bore x Stroke
74 X 58 mm
Compression Ratio
11.8:1
Cooling System
Liquid cooled,
Engine Oil Specification
Synthetic, 10W/30
Fuel Consumption
18.3 km/lit
Fuel Induction
4 x 37mm Mikuni CV Side draft
Ignition
Digital TCI
Lubrication System
Wet sump
Spark Plug
NGK, CR9E
Starter
Electric
Clutch
Wet, multiple discs, cable operated
Final Drive
Chain
Transmission / Drive
6 Speed
Frame Type
Steel, Double cradle frame
Suspension - Front
Telescopic fork, 43mm tubes
Suspension - Rear
Link-type swingarm
Wheel Travel - Front
140 mm / 5.5 in
Wheel Travel - Rear
135 mm / 5.3 in
Brakes - Front
2x 298mm discs 4 pistons calipers
Brakes - Rear
Single 268mm disc 2 piston caliper
Tyres - Front
120/70 ZR17
Tyres - Rear
180/55 ZR17
Specifications are compiled from manufacturer documentation and cross-referenced
technical sources, and corrected on an ongoing basis.
Spot an error? Let us know.
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