Key performance
56 ch
Power
1338 cc
Displacement
305 kg
Weight
152 km/h
Top speed
680 mm
Seat height
15.9 L
Fuel capacity
Compare the Harley-Davidson FLSTF Fat Boy with: Choose a motorcycle →
Technical specifications
Changements 2008 → 1999
- Displacement
- 1573 cc → 1338 cc
- Power
- 73.0 ch @ 5300 tr/min (53.7 kW) → 56.0 ch @ 5000 tr/min (40.9 kW)
- Torque
- 123.4 Nm @ 3000 tr/min → 97.0 Nm @ 2350 tr/min
- Compression ratio
- 9.2:1 → 8.5:1
- Bore × stroke
- 95.3 x 111.3 mm (3.8 x 4.4 inches) → 88.8 x 108.0 mm (3.5 x 4.3 inches)
- Fuel system
- Injection → Carburettor
- Valve timing
- — → Overhead Valves (OHV)
- Lubrication
- — → Dry sump, internally mounted, crank driven gerotor pressure and dual scavenge pump.
- Ignition
- — → Single-fire, non-wasted, map-controlled spark ignition
- Starter
- — → Electric
- Frame
- Double berceau tubulaire en acier → —
- Gearbox
- 6-speed → 5-speed
- Clutch
- Multi-plate with diaphragm spring in oil bath → Wet 9-plate
- Front suspension
- Fourche telescopique Ø 41 mm, déb : 129 mm → 41.3 mm
- Rear suspension
- 2 amortisseurs sous le moteur, déb : 103 mm → Hidden, horizontal-mounted, coil-over shock
- Front wheel travel
- — → 129 mm (5.1 inches)
- Rear wheel travel
- — → 103 mm (4.1 inches)
- Front brakes
- Freinage 1 disque Ø 292 mm, étrier 4 pistons → Single disc. Four-piston calipers.
- Rear brakes
- Freinage 1 disque Ø 292 mm, étrier 2 pistons → Single disc. Four-piston calipers.
- Front tyre
- 140/75-R17 → 130/90-16
- Front tyre pressure
- 2.48 bar → —
- Rear tyre
- 200/55-R17 → 130/90-16
- Rear tyre pressure
- 2.90 bar → —
- Seat height
- 698.00 mm → 680.00 mm
- Wheelbase
- 1638.00 mm → 1632.00 mm
- Ground clearance
- — → 130.00 mm
- Fuel capacity
- 18.92 L → 15.90 L
- Weight
- 323.90 kg → 305.00 kg
- Dry weight
- 314.80 kg → 310.00 kg
- New price
- 20 795 € → —
Engine
- Displacement
- 1338 cc
- Power
- 56.0 ch @ 5000 tr/min (40.9 kW)
- Torque
- 97.0 Nm @ 2350 tr/min
- Engine type
- V2, four-stroke
- Cooling
- Air
- Compression ratio
- 8.5:1
- Bore × stroke
- 88.8 x 108.0 mm (3.5 x 4.3 inches)
- Valves/cylinder
- 2
- Fuel system
- Carburettor
- Valve timing
- Overhead Valves (OHV)
- Lubrication
- Dry sump, internally mounted, crank driven gerotor pressure and dual scavenge pump.
- Ignition
- Single-fire, non-wasted, map-controlled spark ignition
- Starter
- Electric
Chassis
- Gearbox
- 5-speed
- Final drive
- Belt (final drive)
- Clutch
- Wet 9-plate
- Front suspension
- 41.3 mm
- Rear suspension
- Hidden, horizontal-mounted, coil-over shock
- Front wheel travel
- 129 mm (5.1 inches)
- Rear wheel travel
- 103 mm (4.1 inches)
Brakes
- Front brakes
- Single disc. Four-piston calipers.
- Rear brakes
- Single disc. Four-piston calipers.
- Front tyre
- 130/90-16
- Rear tyre
- 130/90-16
Dimensions
- Seat height
- 680.00 mm
- Wheelbase
- 1632.00 mm
- Ground clearance
- 130.00 mm
- Length
- 2395.00 mm
- Fuel capacity
- 15.90 L
- Weight
- 305.00 kg
- Dry weight
- 310.00 kg
Indicators & positioning
Weight-to-power ratio
0.18 ch/kg
Torque / weight
0.32 Nm/kg
Volumetric power
41.9 ch/L
In category Custom / cruiser · 669-2676cc displacement (3463 motorcycles compared)
Power 56 ch Top 76%
46 ch median 74 ch 140 ch
Weight 305 kg Lighter than 44%
225 kg median 300 kg 378 kg
P/W ratio 0.18 ch/kg Top 91%
0.18 median 0.25 0.41 ch/kg
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