The Harley Davidson FLSTF/I Fat Boy motorcycle was produced from 2005-06. It features a four-stroke, 45-degree V-Twin, Twin Cam 88 (R) engine with pushrod-operated overhead valves and hydraulic self-adjusting lifters. The motorcycle has a capacity of 1449cc/88.4 cu-in and a compression ratio of 8.9:1. It also has carburetion or electronic sequential port fuel injection for induction. The motorcycle has a single-fire, non-wasted, map-controlled spark ignition and an electric start. The maximum power is 67 hp/48.8 kW @ 5200 rpm with a maximum torque of 116.6 Nm/86 lb-ft @ 3500rpm. The transmission is 5-speed with a belt final drive and a wet 9-plate clutch. The bike has a mild steel tubular frame, a mild steel swingarm, and a 41.3mm telescopic front suspension. It has a single 292mm disc 4 piston caliper front and rear brakes. The FLSTF/I Fat Boy has a length of 2395.2mm/94.3in, a wheelbase of 1638mm/64.5in, and a seat height of 645.2mm/25.4in laden or 698.5mm/27.5in unladen. The dry weight of the motorcycle is 310kg/683 lbs, and the wet weight is 324kg/714 lbs. It has a fuel capacity of 18.9 litres/5.0 US gal and an oil capacity of 3.3 litres/3.5 qts.
Technical specifications:
Make Model: Harley Davidson FLSTF/I Fat Boy
| Year | 2005 – 06 |
|---|---|
| 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 |
