1947 MG YA Tourer

The MG YA Tourer is a rear wheel drive road car, with its engine mounted in the front, and a 2 door roadster body. The 4 cylinder, overhead valve naturally aspirated powerplant has 2 valves per cylinder and a capacity of 1.3 litres. This unit develops power and torque figures of 46 bhp (46.6 PS/34.3 kW) at 4800 rpm and 79.3 Nm (58 lbft/8.1 kgm) at 2400 rpm respectively. This power is transmitted to the wheels via a 4 speed manual transmission. The claimed weight at the kerb is 1020 kg.
Full specs

Body type
2 door roadster with 4/5 seats
Length
4166 mm
Weight
1020 kg
Engine type
naturally aspirated petrol
Engine size
1.3 litre
Cylinders
4, Straight
Power
46.6 PS / 46 bhp / 34.3 kW @ 4800 rpm
Torque
79.3 Nm / 58 ft.lb / 8.1 kgm @ 2400 rpm

1947 MG YA Tourer specifications

1947 MG YA Tourer data
bodywork
Français Deutsch Nederlands Italiano Español English
Body type	4/5 seater roadster
Number of doors	2
Designer
dimensions & weights
Wheelbase	2538 mm	99.9 inches
Track/tread (front)	1203 mm	47.4 inches
Track/tread (rear)	1270 mm	50 inches
Length	4166 mm	164 inches
Width	1500 mm	59.1 inches
Height	1486 mm	58.5 inches
Ground clearance	152 mm	6 inches
length:wheelbase ratio	1.64
Kerb weight	1020 kg	2249 lb
Weight distribution
fuel tank capacity	36 litres	7.9 [9.5] UK [US] gal.
aerodynamics
Drag coefficient
Frontal area
CdA
Powertrain
engine type	naturally aspirated petrol
Engine manufacturer	BMC
Engine code
Cylinders	Straight 4
Capacity	1.3 litre 1250 cc (76.28 cu in)
Bore × Stroke	66.5 × 90 mm 2.62 × 3.54 in
Bore/stroke ratio	0.74
Valve gear	overhead valve (OHV) 2 valves per cylinder 8 valves in total
maximum power output	46.6 PS (46 bhp) (34.3 kW) at 4800 rpm
maximum torque	79.3 Nm (58 ft·lb) (8.1 kgm) at 2400 rpm
Specific output	27.4 kW/litre 37.3 ps/litre 36.8 bhp/litre 0.6 bhp/cu in
Specific torque	63.44 Nm/litre 0.77 ft·lb/cu³
Engine construction
Lubrication
compression ratio	7.2:1
Fuel system	1 SU carb
bmep (brake mean effective pressure)	797.2 kPa (115.6 psi)
Maximum RPM
crankshaft bearings	3
Engine coolant	Water
Unitary capacity	312.5 cc
Aspiration	Normal
Compressor	N/A
Intercooler	None
Catalytic converter	N
performance
Acceleration 0-80km/h (50mph)
Acceleration 0-60mph
Acceleration 0-100km/h
Acceleration 0-160km/h (100mph)
Standing quarter-mile
Standing kilometre
Maximum speed
Power-to-weight ratio	Higher is better 45.72 PS/tonne (1000 kg) 0.05 PS/kg 33.63 kW/tonne (1000 kg) 0.03 kW/kg 45.1 bhp/tonne (1000 kg) 0.05 bhp/kg 0.02 bhp/lb
Weight-to-power ratio	Lower is better 29.74 kg/kW 49.67 lb/bhp
fuel consumption
Fuel consumption
universal fuel consumption (calculated from the above)
litres/100km
km/litre
UK MPG
US MPG
Carbon dioxide emissions
Carbon dioxide emissions
Carfolio Calculated CO₂ ^?
VED band (UK)
CO₂ Effizienz (DE)
chassis
Engine position	front
Engine layout	longitudinal
Drive wheels	rear wheel drive
Torque split	N/A
Steering	rack & pinion
turns lock-to-lock
Turning circle	10.80 m
Front suspension	I.CS.W.
Rear suspension	LA.SE.
Wheel size front
Wheel size rear
Tyres front	Dunlop 5.25 x 16
Tyres rear	Dunlop 5.25 x 16
Brakes F/R	Dr/Dr
Front brake diameter
Rear brake diameter
Braked area
Gearbox	4 speed manual
Top gear ratio	1
Final drive ratio	5.13
general
Carfolio.com ID	63943
Production total
Model code
RAC rating	11.0
Insurance classification	No information available
Tax band	No information available
1947 MG YA Tourer added before December 1995. Last modified 2013-02-28.