Harley-Davidson Harley Davidson FXDF Dyna Fat Bob (2008) vs Triumph Rocket 3 R 221 Special Edition (2022) vs BMW F 800GS (2011) vs Yamaha FZR 400 Genesis (1986) vs Bimota DB6C 1080 Limited Edition (2008)

Comparison technical specifications

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Make:	Harley-Davidson	Triumph	BMW	Yamaha	Bimota
Model:	Harley Davidson FXDF Dyna Fat Bob	Rocket 3 R 221 Special Edition	F 800GS	FZR 400 Genesis	DB6C 1080 Limited Edition
Years:	2008	2022	2011	1986	2008
Engine:	Four stroke, 45° V-Twin, Twin Cam 96 vibration isolation-mounted Valves Pushrod-operated overhead valves; w/ hydraulic self-adjusting lifters; two valves per cylinder	Four stroke, inline 3-cylinder, DOHC	Four stroke, parallel twin cylinder, DOHC, 4 valves per cylinder	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.	Four stroke, 90°“L”twin cylinder, SOHC, desmodromic 2 valve per cylinder.
Capacity:	1584 cc / 96 cu-in	2458 cc / 150 cub in	798 cc / 47.7 cub-in	399 cc / 24.3 cu-in	1078 cc / 65.8 cub. in.
Bore x Stroke:	95.3 x 111.1 mm	110.2 x 85.9 mm	82 x 75.8 mm	54 x 43.6 mm	98 x 71.5mm
Compression Ratio:	9.2:1	10.8:1	12.0:1	11.5:1	10.5:1
Induction:	Electronic Sequential Port Fuel Injection (ESPFI)	Ride-by-Wire, fuel injected	Electronic intake injection, ∅45mm throttle bodies	Carburetor	Electrically controlled gasoline injection and φ45mm throttle body
Ignition:	Single-fire, non-wasted, map-controlled spark ignition	Digital inductive type via electronic engine management	Knock control and oxygen sensors.	Analogue CDI (Capacitive Discharge Ign.)	-
Starting:	Electric	Electric	Electric	Electric	Electric
Max Torque:	124.7 Nm / 92 ft/ lbs. @ 3000 rpm	221 Nm / 163 ft-lb @ 4000 rpm	80 Nm / 8.2 kgf-m / 59 lb-ft @ 5750 rpm	3.7 kgf-m @ 10000 rpm	103 Nm / 10.5 kg-m / 76 lb-ft. @ 5000 rpm
Clutch:	Multi-plate, wet	Wet, multi-plate hydraulically operated, torque assist	Multiplate-plate in oil bath	Wet multiple plates	Wet multiple plates, hydraulic system
Transmission:	6 Speed	6 Speed	6 Speed	6 Speed	6 Speed
Final Drive:	Belt	Shaft, bevel box	Chain	Chain	Chain
Front Suspension:	49 mm with polished aluminum fork triple clamp and dual-rate springs	Showa 47mm upside-down 1+1 cartridge front forks, compression and rebound adjuster	43mm Marzocchi. Upside down forks	Uprighting telescopic	Marzocchi φ50mm TiN coat full adjustable R.A.C. Inverted fork
Rear Suspension:	Coil over shock	Fully adjustable Showa piggyback reservoir RSU with remote hydraulic preload adjuster	Double strut swing arm aluminium coast in one piece	Aluminium swing arm	Extreme TEX height adjustment functional attachment full adjustable mono shock
Front Brakes:	2x 299mm disc 4 piston caliper	2x 320 mm discs with Brembo M4.30 Stylema 4-piston radial monobloc calipers	2 x ∅300mm discs, 4 piston calipers	2x discs 2 piston caliper	2x 330mm / 13 in. discs 4 piston caliper
Rear Brakes:	Single 292mm disc 2 piston caliper	Single 300mm disc, Brembo M4.32 4-piston monobloc caliper	Single ∅265mm disc, 2 piston caliper	Single disc2 piston caliper	Single 245mm / 9.6 in. disc 2 piston caliper
Front Tyre:	D427F 130/90B16 67H	150/80 R17 V	90/90 - 21 54V	110/70 R-17	120/70 ZR17
Rear Tyre:	D427 180/70B16 77H	240/50 R16 V	150/70 - 17 69V	140/60 R-18	180/55 ZR17
Seat Height:	Laden2 663 mm / 26.1 in Unladen 686 mm / 27.0 in	773 mm / 30.4 in	880 mm - 850 mm / 34.6 in. - 33.5 in.	785mm / 30.9 in	820 mm / 32.3 in
Fuel Capacity:	18 9 Litres / 5.0 US gal	18 Litres / 4.76 US gal	16 Litres / 4.2 US gal.	18 Litres / 4.75 gal	17 Litres / 4.5 US gal