Junak M07R (1956-59) vs Beta RS 450 (2012) vs Avinton / Wakan Wakan / Avinton Track Racer Special () vs Kawasaki ZX-6R (ZX 636) (2004) vs LIFAN Lifan LF 200 III (2006) vs Yamaha XS 400L Maxim (1982-)

Comparison technical specifications

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Make:	Junak	Beta	Avinton / Wakan	Kawasaki	LIFAN	Yamaha
Model:	M07R	RS 450	Wakan / Avinton Track Racer Special	ZX-6R (ZX 636)	Lifan LF 200 III	XS 400L Maxim
Years:	1956-59	2012		2004	2006	1982-
Engine:	Four stroke, single cylinder, OHV	Four stroke, single cylinder, 4 valve	Four stroke, 45°V-twin. OHV, 4 can pushrod.	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder	Four stroke, single cylinder,	Four stroke, parallel twin, DOHC, 2 valves per cylinder
Capacity:	349 cc / 21.3 cub. in.	449 cc / 27.4 cu in	1640 cc / 100 cu-in	636 cc / 38.8 cub in	196.9 cc	399 cc / 24.3 cu-in
Bore x Stroke:	75 x 79 mm	95 x 63.4 mm	101.6 x 101.0 mm	68 x 43.8 mm	63.5 x 62.2 mm	69.0 x 53.4 mm
Compression Ratio:	7.0:1	11.95:1	10.3:1	12.8:1		9.7:1
Ignition:	Magneto	DC-CDI with variable ignition timing, Kokusan.	CDI	Digital	TCI	Transistorized
Starting:	Kick-start	Electric and kick	Electric	Electric	Electric & KICK	Electric
Transmission:	Four-speed constant-mesh	6 Speed	5 Speed	6 Speed	5 Speed	6 Speed
Final Drive:	Chain	O-ring chain, DID	Belt	Chain	Chain	Chain
Frame:	Double, cradle-type, welded throughout of tubing, provided with holders for side car mounting.	Molybdenum steel with double cradle split above exhaust port. Air filter access from the side	TIG welded chrome-moly steal tubular backbone frame with integrated oil tank.	Aluminium, twin spar	Split cradle frame of round tubes in 7020 light alloy	Pressed steel spine with engine as stressed member
Front Suspension:	Telescopic fork with coil springs and oil damping	Sachs USD fork, Ø 48 mm, adjustable compression and rebound, TFX technology	46mm Cariani Italy inverted fully adjustable forks	46 mm cartridge fork with 12-way rebound, 12-way compression damping and spring preload adjustability	Telescopic fork	Hydraulic telescopic forks
Rear Suspension:	Swinging arm sprung on telescopic elements with coil springs and oil damping.	Sachs shock w/adjustable rebound and hi/low speed compression,	Extruded aluminum swinging arm with Sachs shocks	Bottom-Link Uni-Trak with gas-charged shock, 18-way rebound, 20-way compression damping and spring preload adjustability	Swinging arm	Monocross system with single coil sprung, gas/oil damped shock, pre-load adjustable
Front Brakes:	Full hub width, of expander shoe type, hand operated	Single Ø 260 mm disc, 2 piston caliper	Single 340mm disc 6 piston caliper	2 x 300mm discs, 4 piston calipers	Single disc	Single 10.5 in disc
Rear Brakes:	Full hub width, of expander shoe type, foot operated	Single Ø 240 mm disc, 1 piston caliper	Single 220mm disc 2 piston caliper	Single 220mm disc, 1 piston caliper	Drum	Drum
Front Tyre:	19 in	90/90 - 21	120/70 ZR17	120/65 ZR17	100/80-18	3.00-18
Rear Tyre:	19 in	140/80 - 18	180/55 ZR17	180/55 ZR17	100/90-16	4.10-18
Seat Height:	755 mm / 29.7 in	934.7 mm / 36.8 in	790 mm / 31.1 in	820 mm / 32.3 in	760 mm	30.9 in
Dry Weight:	170 kg / 374.8 lbs	108 kg / 240 lbs	177 kg / 390 lbs	174 kg / 377 lbs	140 kg	kg / 366 lbs
Fuel Capacity:	17 l / 3.9 US gal	7.9 L / 2.1 gal	13 Litres / 3.4 US gal	18 Litres / 4.8 gal	13 Litres	17 Litres / 4.4 US gal