Yamaha XJ 400Z-E (1983) vs Yamaha RD 350LC / RZ 350LC YPVS (1983) vs Yamaha XVZ 1300 Royal Star Venture (2007-08) vs Yamaha XS 400 (1977-78) vs Yamaha RD 125 (1977) vs Yamaha XT660R (2007)

Comparison technical specifications

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Make:	Yamaha	Yamaha	Yamaha	Yamaha	Yamaha	Yamaha
Model:	XJ 400Z-E	RD 350LC / RZ 350LC YPVS	XVZ 1300 Royal Star Venture	XS 400	RD 125	XT660R
Years:	1983	1983	2007-08	1977-78	1977	2007
Engine:	Four stroke, transverse four cylinder, DOHC, four valve per cylinder	Two stroke, parallel twin cylinder	Four stroke, 70°V-four cylinder, DOHC, 4 valve per cylinder	Four stroke, 180° parallel twin, SOHC, 2 valves per cylinder	Two stroke, parallel twin	Four stroke, single cylinder, SOHC, 4 valve
Capacity:	399 cc	347 cc / 21.1 cu-in	1294 cc / 78.9 cu-in	392 cc / 23.9 cu-in	124 cc / 7.6 cu-in	659 cc/ 40.2 cu-in
Bore x Stroke:	54 х 53.6 mm	64 х 54 mm	79 х 66 mm	69.0 x 52.4 mm	43 х 43 mm	100 x 84 mm
Cooling System:	Liquid cooled	Liquid cooled	Liquid cooled	Air cooled	Air cooled	Liquid cooled
Compression Ratio:	10.5:1	6.2 :1	10.0:1	9.2:1	6.8:1	10.0: 1
Induction:	Carburator	2x 26mm Mikuni slide-needle carburetor	4x 32mm Mikuni Constant-Velocity	2x Mikuni BS32 carburetors	2x 18mm Teikei carburetors	Fuel injection, 44 mm throttle body
Ignition:	Transistorized CDI	Flywheel magneto CDI	Digital TCI	Battery ignition - With contact breaker points	Battery coil	TCI
Starting:	Electric	Kick	Electric	Electric & kick	Kick	Electric
Max Power:	55 hp / 41kW @ 11500 rpm	59 hp / 43.9 kW @ 9000 rpm	98 hp / 71.5 kW @ 4750 rpm	36 hp / 26.8 kW @ 8100 rpm	17 hp / 12.4 kW @ 8500 rpm	33.8 kW / 48 hp @ 6000 rpm
Max Torque:	3.5 kgf-m / 25.3 lb-ft @ 10000 rpm	40.2 Nm / 4.1 kgf-m / @ 8000 rpm	123 Nm / 90.7 lb-ft @ 4750 rpm	3.3 kgf-m / 23.8 lb-ft @ 8000 rpm	1.3 kgf-m @ 8000 rpm	58.4 Nm / 5.7 kgf-m @ 5250 rpm
Transmission:	6 speed	6 Speed	5 Speed	6 Speed	5 Speed	5 Speed
Final Drive:	Chain	Chain	Shaft	Chain	Chain	Chain
Front Suspension:	Telescopic forks	32mm stanchion tube forks	Air assisted telescopic fork	Telescopic fork	28 mm telescopic forks	43 mm Telescopic forks,
Rear Suspension:	Monocross, link type	Single shock cantilever 5-way adjustable spring preload	Single shock, link-type w/air assist	Dual shocks swing arm, preload adjustable	Dual rear shock pre-load adjustable	Oscillating arm standard Monocross. 200mm wheel travel
Front Brakes:	2x discs	2x 267mm disc 1 piston caliper	2x 298mm discs 4 piston calipers	Single disc	Single240mm disc	Single 298mm disc 2 piston caliper
Rear Brakes:	Single disc	Drum	Single 320mm disc 1 piston caliper	Drum	130 mm Drum	Single 245mm disc 1 piston caliper
Front Tyre:	90/90-18	3.00-18	150/80-16	3.00-18	2.75-18	90/90- 21
Rear Tyre:	110/90-18	3.50-18	150/90-15	3.50-18	3.00-18	130/80–17
Wheelbase:	1420 mm / 55.9 in	1365 mm / 53.7 in	1705 mm / 67.1 in	1364 mm / 53.7 in	1245 mm / 49.0 in	1505 mm / 59.3 in
Fuel Capacity:	19 Litres / 5.0 US gal	16.5 Liters / 4.3 US gal	22.5 Litres / 5.9 US gal	14 Litres / 3.7 US gal	11.5 Litres / 3.04 US gal	15 Litres / 3.3 US gal