Harley Davidson FLSTFI Fat Boy (2001-02)

The Harley Davidson FLSTF/I Fat Boy motorcycle was produced from 2001 to 2002. It features a four-stroke, 45-degree V-twin engine with a capacity of 1449 cc and a compression ratio of 8.9:1. The engine is air-cooled with pushrod-operated overhead valves and hydraulic self-adjusting lifters, and is equipped with a 40mm constant velocity carburetor with enrichener and accelerator pump. Alternatively, it can also be equipped with ESPFI 38mm throttle bore electronic sequential port fuel injection. The motorcycle has a single-fire, non-wasted, map-controlled spark ignition and an electric starter. The maximum power output is 67 hp at 5200 rpm, and the maximum torque is 116.6 Nm at 3500 rpm. The transmission is a 5-speed belt drive, and the primary drive ratio is chain, with a gear ratio of 1st 10.110, 2nd 6.958, 3rd 4.953, 4th 3.862, and 5th 3.150. The frame is comprised of mild steel tubular frame with a rectangular section backbone and stamped, cast, and forged junctions, forged fender supports, and MIG welding. The swingarm is made of mild steel, rectangular tube sections, stamped junctions, and MIG welding. The front suspension is 41.3mm telescopic forks with beer can covers, and the rear suspension is hidden, horizontal-mounted, coil-over shock. The motorcycle has a front and rear disc brake, and the front tire is a D402F MT90B16 72H, while the rear tire is a D401 150/80B16 71H. The rake is 32 degrees, and the fork angle is also 32 degrees. The wheelbase is 1638mm, and the seat height is 645.2mm laden and 698.5mm unladen. The motorcycle has a ground clearance of 130mm, a dry weight of 310kg and wet weight of 324kg, oil capacity of 3.3 litres, and fuel capacity of 18.9 litres.

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Technical specifications:

Make Model: Harley Davidson FLSTF/I Fat Boy

Year: 2001 – 02

Engine: Four stroke, 45 degrees V-Twin, Twin Cam 88 (R) vibration isolation-mounted Valves Pushrod-operated overhead valves; w/ hydraulic self-adjusting lifters; two valves per cylinder

Capacity: 1449 cc / 88.4 cu-in

Bore x Stroke: 95.3 x 101.6 mm

Cooling System: Air cooled

Compression Ratio: 8.9:1

Lubrication: Dry sump, internally mounted, crank driven gerotor pressure and dual scavenge pump with spin on 10~Anot pressurized oil filter

Induction: Carburetion 40 mm constant velocity with enrichener and accelerator pump ESPFI 38 mm throttle bore electronic sequential port fuel injection

Ignition: Single-fire, non-wasted, map-controlled spark ignition

Starting: Electric

Max Power: 67 hp / 48.8 kW @ 5200 rpm

Max Torque: 116.6 Nm / 86 lb-ft @ 3500rpm

Clutch: Wet 9-plate

Transmission: 5 Speed

Final Drive: Belt

Primary Drive Ratio: Chain, 36/25

Gear Ratio: 1st 10.110 2nd 6.958 3rd 4.953 4th 3.862 5th 3.150

Frame: Mild steel tubular frame; rectangular section backbone; stamped, cast and forged junctions; forged fender supports; MIG welded Swingarm Mild steel, rectangular tube sections, stamped junctions, MIG welded

Front Suspension: 41.3 mm Telescopic forks with beer can covers

Front Wheel Travel: 130 mm / 5.1 in

Rear Suspension: Hidden, horizontal-mounted, coil-over shock

Rear Wheel Travel: 109 mm / 4.3 in

Front Brakes: Single 292mm disc 4 piston caliper

Rear Brakes: Single 292mm disc 4 piston caliper

Front Tyre: D402F MT90B16 72H

Rear Tyre: D401 150/80B16 71H

Rake: 32 degrees

Fork Angle: 32 degrees

Trail: 147 mm / 5.8 in

Dimensions: Length 2395.2 mm / 94.3 in

Wheelbase: 1638 mm / 64.5 in

Seat Height: Laden2 645.2 mm / 25.4 in Unladen 698.5mm / 27.5 in

Ground Clearance: 130 mm /. 5.1 in

Dry Weight: 310 kg / 683 lbs

Wet Weight: 324 kg / 714 lbs

Oil Capacity: 3.3 Litres / 3.5 qts.

Fuel Capacity: 18.9 Litres / 5.0 US gal