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) vs Kawasaki KDX 125SR (1993-96) vs Suzuki RG 125 (1978-79)

Comparison technical specifications

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Make:	Aprilia	Harley-Davidson	Honda	Honda	Gilera	Indian	Triumph	Kawasaki	Gilera	Aprilia	Kawasaki	BMW	Kawasaki	Suzuki
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	KDX 125SR	RG 125
Years:	1989	2025	1983	2021	2009-	2016-17	1967-74	2019	1988-89	1998-00	1983-84	2025	1993-96	1978-79
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.	Two stroke, single cylinder, with KIPS	Single cylinder, two-stroke, piston valve
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	124 cc / 7.6 cu-in	124 cc / 7.6 cu 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	56 х 50.6 mm	43 х 43 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	8,0:1	6.8:1
Starting:	Kick	Electric	Kick	Integrated Starter Generator system	Electric	Electric	Kick	Electric	Electric	Electric	Kick	Electric	Electric	Kick
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;	Kayaba 48mm telescopic hydraulic fork reversed KAYABA 48mm, double adjustment + adjustable spring preload, prepared	Telescopic, oil dampened
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	Uni-Trak adjustable for preload	Swingarm, dual shocks, coils, oil dampened
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	Single 260mm disc	Single disc, hydraulic
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	Single 220mm disc	Drum, internal expanding
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	70/100-21	2.75-18
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	4.10-18	3.00-18