Aprilia TX 312M (1989) vs Harley-Davidson Harley Davidson CVO Road Glide RR (2025) vs Honda XL 350R (1983) vs Honda GLX 1800 Gold Wing / Automatic-DCT (2021) vs Gilera Nexus 250 (2009-) vs Indian Chief Vintage (2016-17) vs Triumph Daytona T100T (1967-74) vs Kawasaki Z 650 (2019) vs Gilera R1 125 (1988-89) vs Aprilia 125 Classic (1998-00) vs Kawasaki KX 500 (1983-84) vs BMW R 12 S (2025)

Comparison technical specifications

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Make:	Aprilia	Harley-Davidson	Honda	Honda	Gilera	Indian	Triumph	Kawasaki	Gilera	Aprilia	Kawasaki	BMW
Model:	TX 312M	Harley Davidson CVO Road Glide RR	XL 350R	GLX 1800 Gold Wing / Automatic-DCT	Nexus 250	Chief Vintage	Daytona T100T	Z 650	R1 125	125 Classic	KX 500	R 12 S
Years:	1989	2025	1983	2021	2009-	2016-17	1967-74	2019	1988-89	1998-00	1983-84	2025
Engine:	Single cylinder, two stroke	Screamin' Eagle? 131. CNC ported cylinder heads feature fully CNC machined combustion chambers and ports. Screamin? Eagle high-capacity valve lifters, Screamin? Eagle high-performance valve springs.	Four stroke, single cylinder, SOHC, 4 valve, RFVC radial valve	Four stroke, opposed boxer six cylinders, SOHC, 4-valve per cylinder, finger-follower rocker arm on intake, roller-rocker arm on exhaust	Four stroke, single cylinder, SOHC,4 valves	Thunder Stroke™ 111	Four stroke, parallel twin cylinder, OHV, 2 valve per cylinder	Four stroke, parallel twin cylinder. DOHC, 4 valves per cylinder.	Two stroke, single cylinder, reed valve	Single cylinder, two-stroke	Two stroke, single cylinder, read valve	Four stroke, two cylinder horizontally opposed Boxer, two camshafts and four radially aligned valves per cylinder, central counter balancer shaft.
Capacity:	277cc / 16.9 cu in	2146.7 cc / 120.6 cu-in	339 cc / 26.7 cu-in	1833 cc / 111.85 cub in	249 cc / 12.2 cu-in	1811.cc / 111 cu-in	490 cc / 29.9 cu in	649 cc / 39.65 cu /in	124 ccc / 7.6 cu-in	124.8 cc / 7.5 cu in	499 cc / 30.5 cu-in	1170 cc / 71.4 cub in
Bore x Stroke:	76 x 61 mm	109 x 114.3 mm	84 x 61.3 mm	73 x 73 mm	72 X 60 mm	101 x 113 mm	69 x 65.5mm	83 x 60 mm	56 x 50.5 mm	54 x 54.5 mm	86 x 86mm	101 x 73 mm
Compression Ratio:	8.5:1	11.0:1	9.5;1	10.5:1	11.5:1	9.5:1	9.0:1	10.8:1	13.0;1	12.5:1	7.0:1	12:1
Starting:	Kick	Electric	Kick	Integrated Starter Generator system	Electric	Electric	Kick	Electric	Electric	Electric	Kick	Electric
Front Suspension:	Telescopic fork	Screamin' Eagle? by ?hlins FGR 253 inverted front fork, fully adjustable for preload, compression, and rebound damping	41mm Air adjustable forks	Double-wishbone	Telescopic hydraulic fork with f 35 mm shafts; 94 mm wheel travel	Telescopic forks	Telescopic hydraulic forks	41 mm hydraulic telescopic fork	Telescopic forks	Telescopic fork	Leading-axle, 43mm air-assisted forks with adjustable compression damping	Upside-down 45 mm forks, compression, rebound and spring preload adjustable;
Rear Suspension:	Monoshock	14 in. Screamin' Eagle? by ?hlins Remote Reservoir Rear Shocks, fully adjustable for preload, compression, and rebound damping	Single gas shocks, fully adjustable	Pro-Link system with Showa shock absorber	Double hydraulic shock absorber with four-position spring preload; 76 mm wheel travel	Single shock	Swinging arm, hydraulic damped	Horizontal Back-link with adjustable preload	Swing arm gas single shock	2 x Hydraulic shock absorbers	Uni Trak, damping-ad	Cast aluminium single swinging arm with BMW Motorrad Paralever; central spring strut, spring preload fully adjustable by hook wrench, adjustable rebound-stage damping
Front Brakes:	ingle disc	2 x Brembo Racing fully floating T-drive front rotors with S7Cr13 stainless steel braking surface, 4-piston fixed dual radially mounted	Single disc	2x 320mm hydraulic discs 6-piston Nissin calipers, floating rotors and sintered metal pads	Single 260mm disc	2x 300 mm Floating rotor 4 piston calipers	8" Twin leading shoe drum	2x 300mm discs 2 piston calipers	Single 240mm disc	Single Ø230 mm disc, 2 piston caliper	Single 220mm disc	Twin disc brake, floating brake discs, diameter 310 mm, 4-piston Monobloc radial brake caliper
Rear Brakes:	Expanding drum	Single disc, fixed	Drum	Single 316mm ventilated disc 3-piston Nissin caliper, sintered metal pads	Single 240 disc	Single 300 mm Floating rotor 2 piston calipers	7" single leading shoe drum	Single 220mm disc	Drum	Drum, Ø160 mm	Drum	Single 265 mm disc, 2 piston floating caliper
Front Tyre:	2.75-21	130/60B19 M/C61H Dunlop? Harley-Davidson Series, bias blackwall	3.00 -21	130/70R 18	120/70-14	130/90B16 67H	3.25 x 19	120/70 -17	2.75-21	90/90-19	3.00 -21	120/70 - ZR17
Rear Tyre:	4.00-18	180/55B18 M/C80H Dunlop? Harley-Davidson Series, bias blackwall	4.60 -17	200/55R 16	140/60-14	180/65B16 81H	4.00 x 18	160/50 -17	4.10-17	130/90-16	5.10-18	180/55 - ZR17
Wet Weight:	90 kg / 198 lbs	356 kg / 785 lbs	137 kg / 302 lbs	MT 366 kg / 806.8 lbs - DCT 367 kg / 809 lbs	186.0 kg / 410.1 lbs	379 kg / 835 lbs	168 kg / 371 lbs	187 kg / 412 lbs lbs	134 kg / 295 lbs	148 kg / 326 lbs	114 kg / 251 lbs	220 kg / 485 lbs
Fuel Capacity:	4.5 L / 1.2 US gal	22.7 Litres / 6.0 US gal	11 Litres / 2.9 US gal	21.1 Litres / US 5.57 gal	15 Litres / 3.9 US gal	20.8 Litres / 5.5 Gal	14 Litres / 3.7 US gal / 3.1 Imp gal	15 Litres / 4.0 US gal		10 Litres / 2.6 US gal	9 Litres / 2.4 US gal	15.9 Litres / 4.2 US gal