The Harley Davidson Softail Fat Boy motorcycle was released in 2013 and is equipped with a V-twin, Twin Cam 103B engine with a capacity of 1690 cc. The engine has pushrod-operated, overhead valves with hydraulic, self-adjusting lifters and two valves per cylinder, which run on an integrated oil-cooler. The transmission is a 6-speed with a belt final drive. The bike has a frame made of mild steel, with a rectangular section backbone, stamped, cast and forged junctions, forged fender supports, and is MIG welded. The front suspension is 41.3 mm telescopic with chrome dust covers, and the rear suspension is coil-over shock, which is hidden and horizontally mounted. The bike has front dual disc brakes with 4-piston calipers and a single disc rear brake with a 2-piston caliper. It also has optional bullet hole disc cast aluminum wheels in front and rear. The rake, or steering head, measures 31 degrees, and the trail is 147 mm or 5.8 in. The overall length of the bike is 2396 mm or 94.3 in, with a wheelbase of 1635 mm or 64.2 in, and an unladen seat height of 690 mm or 27.1 in. The wet weight of the bike is 329 kg or 725 lbs, and it has a gross vehicle weight rating of 526.0 kg or 1160 lbs. The fuel tank has a capacity of 18.9 litres or 5.0 US gal, and the oil capacity is 3.3 litres.
Technical specifications:
Make Model: Harley Davidson Softail Fat Boy
| Year | 2013 |
|---|---|
| Engine | Four stroke, V-Twin, Twin Cam 103B Pushrod-operated, overhead valves with hydraulic, self-adjusting lifters, two valves per cylinder, with Integrated Oil-Cooler |
| Capacity | 1690 cc / 103.1 cub in. |
| Bore x Stroke | 98.4 x 111.1 mm |
| Cooling System | Air cooled |
| Compression Ratio | 9.6:1 |
| Exhaust | Chrome, over/under shotgun exhaust with dual mufflers |
| Induction | Electronic Sequential Port Fuel Injection (ESPFI) |
| Ignition | Single-fire, non-wasted, map-controlled spark ignition |
| Starting | Electric |
| Max Torque | 134 Nm / 13.7 kgf-m / 98.8 ft. lbs @ 3500 rpm |
| Transmission | 6 Speed |
| Final Drive | Belt |
| Gear Ratio | 1st 9.311 / 2nd 6.454 / 3rd 4.793 / 4th 3.882 / 5th 3.307 / 6th 2.79 |
| Frame | Mild steel, tubular frame; rectangular section backbone; stamped, cast and forged junctions, forged fender supports; MIG welded |
| Front Suspension | 41.3 mm telescopic, chrome dust covers |
| Rear Suspension | Hidden, horizontal-mounted, coil-over shock |
| Front Brakes | 2x Discs 4 piston caliper |
| Rear Brakes | Single disc 2 piston caliper |
| Wheels | Optional Style Type Mirror Polished Chrome, Bullet Hole Disc Cast Aluminum (front and rear) |
| Front Wheel | Silver, Bullet Hole Disc Cast Aluminum |
| Rear Wheel | Silver, Bullet Hole Disc Cast Aluminum |
| Front Tyre | 140/75R17 67V |
| Rear Tyre | 200/55R17 78V |
| Rake (steering head) | 31 degrees |
| Trail | 147 mm / 5.8 in |
| Dimensions | Length 2396 mm / 94.3 in |
| Wheelbase | 1635 mm / 64.2 in |
| Seat Height | Laden 635 mm / 25.0 in Unladen 690 mm / 27.1 in |
| Gross Vehicle Weight Rating | 526.0 kg / 1160 lbs |
| Wet Weight | 329 kg / 725 lbs |
| Oil Capacity | 3.3 Litres |
| Fuel Capacity | 18.9 Litres / 5.0 US gal |
