Yamaha XJ650 Turbo (Seca Turbo 650): review, history, specs

Class: sport-touring

Production: 1982-1983

Related: Yamaha XJ650R

Also called: Yamaha Seca Turbo 650, Yamaha XJ650T

Model
Yamaha XJ650 Turbo (North America, Europe) 1982-1983
Yamaha XJ650 Turbo (Seca Turbo 650)

History

History
Year	Country	Name / Frame / Engine
1982	North America, Europe	Name: Yamaha XJ650 Turbo (Seca Turbo 650) Code: XJ650LJ
1983	North America, Europe	Name: Yamaha XJ650 Turbo (Seca Turbo 650) Code: XJ650LK

Yamaha XJ650 Turbo: specs.

Specifications
DIMENSIONS	Overall length	2170 mm / 85,4 in
	Overall width	730 mm / 28,7 in
	Overall height	1355 mm / 53,3 in
	Wheelbase	1440 mm / 56,7 in
	Ground clearance	140 mm / 5,5 in
	Seat height	780 mm / 30,7 in
	Dry weight
	Curb (wet) weight	249 kg / 549 lbs
FRAME	Type	Tubular, double cradle (steel)
	Front suspension, travel	Air-adjustable telescopic fork 36 mm, 140 mm / 5,5 in
	Rear suspension, travel	Swingarm with air-adjustable twin-shocks, 96 mm / 3,8 in
	Front tire size	3.25V19-4PR
	Rear tire size	120/90 V18
	Front brake	Double disc, 267 mm, 1-piston calipers
	Rear brake	Drum
	Fuel capacity	15,5 l / 4,1 US gal (reserve – 2,2 l)
	Trail	115 mm (4,5 in)
	Fuel economy / consumption	5,44 l / 100 km (43,2 US mpg)
ENGINE	Type	Air-cooled 4-stroke
	Cylinder arrangement	4 cylinders in-line, turbo charged
	Bore & Stroke	63,0 x 52,4 mm
	Displacement	653 cm³ (39,8 cu in)
	Compression ratio	8.2:1
	Valve train	DOHC, 2 valves per cylinder
	Max. power	90,0 hp (66,2 kW) / 9000 rpm
	Max. torque	81,7 Nm (8,3 kg*m) / 7500 rpm
	Acceleration 0 to 100 km/h (0-60 mph)	4,9 sec.^[1]
	Top speed	203 km/h (126 mph)^[2]
CARBURETION SYSTEM	Type	Carburetor, 4x Mikuni BS30
DRIVE TRAIN	Clutch	Wet, multi-plate, cable operated
	Transmission	5-speed
	Final drive	Shaft
	Primary reduction	1.672
	Final reduction	2.909
	Gear ratio I II III IV V	2.187 1.500 1.153 0.933 0.812
ELECTRICAL	Ignition	Transistorized
	Alternator	AC generator 14V 19A at 5000 rpm
	Battery capacity	12V-12Ah