Harley-Davidson Harley Davidson FLSTF/I Fat Boy (2001-02) vs Harley-Davidson Harley Davidson FLTRX Road Glide Special 114 (2019-20)
Comparison technical specifications
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| Make: | Harley-Davidson | Harley-Davidson |
| Model: | Harley Davidson FLSTF/I Fat Boy | Harley Davidson FLTRX Road Glide Special 114 |
| Years: | 2001-02 | 2019-20 |
| Engine: | Four stroke, 45° V-Twin, Twin Cam 88® vibration isolation-mounted Valves Pushrod-operated overhead valves; w/ hydraulic self-adjusting lifters; two valves per cylinder | Four stroke, V-Twin, Milwaukee-Eight 114, Pushrod-operated, overhead valves with hydraulic, self-adjusting lifters, 4 valves per cylinder |
| Capacity: | 1449 cc / 88.4 cu-in | 1868 cc / 114 cu in |
| Bore x Stroke: | 95.3 x 101.6 mm | 102 x 114 mm |
| Cooling System: | Air cooled | Air cooled |
| Compression Ratio: | 8.9:1 | 10.5:1 |
| Lubrication: | Dry sump, internally mounted, crank driven gerotor pressure and dual scavenge pump with spin on 10ì pressurized oil filter | Pressurized, dry-sump with oil cooler |
| Induction: | Carburetion 40 mm constant velocity with enrichener and accelerator pump ESPFI 38 mm throttle bore electronic sequential port fuel injection | Electronic Sequential Port Fuel Injection (ESPFI) |
| Ignition: | Single-fire, non-wasted, map-controlled spark ignition | Single-fire, non-wasted, map-controlled spark ignition |
| Starting: | Electric | Electric |
| Max Torque: | 116.6 Nm / 86 lb-ft @ 3500rpm | 167 Nm / 122 lb-ft @ 3250 rpm |
| Clutch: | Wet 9-plate | Hydraulically actuated, 9 plate wet, with high performance spring |
| Transmission: | 5 Speed | 6 Speed Cruise Drive® |
| Final Drive: | Belt | Belt, 32/68 ratio |
| Gear Ratio: | 1st 10.110 2nd 6.958 3rd 4.953 4th 3.862 5th 3.150 | 1st 9.593 2nd 6.65 3rd 4.938 4th 4 5th 3.407 6th 2.875 |
| 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 | Mild steel; tubular frame; two-piece stamped and welded backbone; cast and forged junctions; twin downtubes; bolt-on rear frame with forged fender supports; MIG welded Swingarm Mild steel; two-piece drawn and welded section; forged junctions; MIG welded |
| Front Suspension: | 41.3 mm Telescopic forks with ”beer can” covers | 41.3 mm telescopic, triple circuit damping |
| Rear Suspension: | Hidden, horizontal-mounted, coil-over shock | Low air-adjustable low profile air ride rear suspension |
| Front Brakes: | Single 292mm disc 4 piston caliper | 2x 300mm discs 4 piston calipers |
| Rear Brakes: | Single 292mm disc 4 piston caliper | Single 300mm discs 4 piston caliper |
| Front Tyre: | D402F MT90B16 72H | 130/60B19 61H |
| Rear Tyre: | D401 150/80B16 71H | 180/55B18 80H |
| Rake: | 32° | 26° |
| Trail: | 147 mm / 5.8 in | 173 mm / 6.8 in |
| Dimensions: | Length 2395.2 mm / 94.3 in | Length 2423 mm / 95.7 in |
| Wheelbase: | 1638 mm / 64.5 in | 1625 mm / 64 in |
| Seat Height: | Laden2 645.2 mm / 25.4 in Unladen 698.5mm / 27.5 in | Laden 7 658 mm / 25.9 in. Unladen 7 695 mm / 27.4 in. |
| Ground Clearance: | 130 mm /. 5.1 in | 140 mm / 5.5 in |
| Dry Weight: | 310 kg / 683 lbs | 372 kg / 820 lbs |
| Wet Weight: | 324 kg / 714 lbs | 389 kg / 855 lbs |
| Oil Capacity: | 3.3 Litres / 3.5 qts. | 4.9 Litres / 5.2 US qts |
| Fuel Capacity: | 18.9 Litres / 5.0 US gal | 22.7 Litres / 6.0 US gal |