Harley Davidson FLSTF/I Fat Boy (1999-00)

The Harley Davidson FLSTF/I Fat Boy is a motorcycle with a 1449 cc, 45 degree V-Twin, Twin Cam 88 engine, capable of producing 67 hp and 116.6 Nm of torque. It uses pushrod-operated overhead valves with hydraulic self-adjusting lifters and has a compression ratio of 8.9:1. It is air-cooled and has a dry sump lubrication system, along with a carburetor or 38mm throttle bore electronic sequential port fuel injection. The ignition is single-fire, non-wasted, and map-controlled spark ignition, with an electric starter. The transmission is a 5-speed with a wet 9-plate clutch, and a final belt drive. The frame is mild steel tubular, telescopic fork with beer can covers, and a hidden, horizontal-mounted, coil-over shock rear suspension. Brakes are single 292mm disc 4 piston caliper front and rear, with a D402F MT90B16 72H front tire and a D401 150/80B16 71H rear tire. It has a 32-degree rake and fork angle, with a trail of 147 mm. The dimensions are 2395.2 mm in length, a wheelbase of 1638 mm, a seat height of 645.2 mm laden and 698.5mm unladen, a ground clearance of 130 mm, and a dry weight of 310 kg/683 lbs, with a fuel capacity of 18.9 liters.

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Technical specifications:

Make Model: Harley Davidson FLSTF/I Fat Boy

Year: 1999 – 00

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