The Today Ri-Z is a front wheel drive hatchback motor car with a front mounted engine, from Honda.
Its engine is a naturally aspirated petrol, 0.7 litre, single overhead camshaft 3 cylinder with 4 valves per cylinder. In this application it develops 51 bhp (52 PS/38 kW) of power at 7500 rpm, and maximum torque of 55 N·m (41 lb·ft/5.6 kgm) at 4500 rpm.
The engine powers the wheels via a 3 speed automatic transmission.
Claimed kerb weight is 650 kg.
The Honda Today Ri-Z is claimed to manage a maxiumum speed of 145 km/h, or 90 mph.
Full specs
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| bodywork | |||
|---|---|---|---|
| Body type | 4 seater hatchback | ||
| Number of doors | 3 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2330 mm | 91.7 inches | |
| Track/tread (front) | 1225 mm | 48.2 inches | |
| Track/tread (rear) | 1230 mm | 48.4 inches | |
| Length | 3295 mm | 129.7 inches | |
| Width | 1395 mm | 54.9 inches | |
| Height | 1330 mm | 52.4 inches | |
| Ground clearance | 155 mm | 6.1 inches | |
| length:wheelbase ratio | 1.41 | ||
| Kerb weight | 650 kg | 1433 lb | |
| Weight distribution | |||
| fuel tank capacity | 30 litres | 6.6 [7.9] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Honda | ||
| Engine code | E07A | ||
| Cylinders | Straight 3 | ||
| Capacity | 0.7 litre 656 cc (40.032 cu in) |
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| Bore × Stroke | 66 × 64 mm
2.6 × 2.52 in |
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| Bore/stroke ratio | 1.03 | ||
| Valve gear | single overhead camshaft (SOHC)
4 valves per cylinder 12 valves in total |
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| maximum power output (JISnet) |
52 PS (51 bhp) (38 kW) at 7500 rpm |
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| maximum torque (JISnet) |
55 Nm (41 ft·lb) (5.6 kgm) at 4500 rpm |
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| Specific output (JISnet) |
58 kW/litre 78.8 ps/litre 77.7 bhp/litre 1.27 bhp/cu in |
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| Specific torque (JISnet) |
83.84 Nm/litre
1.01 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 9.8:1 | ||
| Fuel system | Honda PGM-FI fuel injection | ||
| bmep (brake mean effective pressure) | 1053.6 kPa (152.8 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 4 | ||
| Engine coolant | Water | ||
| Unitary capacity | 218.67 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalytic converter | Y | ||
| 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 | 145 km/h (90 mph) | ||
| Power-to-weight ratio | Higher is better 79.55 PS/tonne (1000 kg) 0.08 PS/kg 58.51 kW/tonne (1000 kg) 0.06 kW/kg 78.46 bhp/tonne (1000 kg) 0.08 bhp/kg 0.04 bhp/lb |
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| Weight-to-power ratio | Lower is better 17.09 kg/kW 28.55 lb/bhp |
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| fuel consumption | |||
| Fuel consumption | |||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | |||
| km/litre | |||
| UK MPG | |||
| US MPG | |||
| Carbon dioxide emissions | |||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | |||
| CO2 Effizienz (DE) | |||
| chassis | |||
| Engine position | front | ||
| Engine layout | transverse | ||
| Drive wheels | front wheel drive | ||
| Torque split | N/A | ||
| Steering | rack & pinion | ||
| turns lock-to-lock | |||
| Turning circle | 9.80 m | ||
| Front suspension | I.MS. | ||
| Rear suspension | TB.PR.CS. | ||
| Wheel size front | |||
| Wheel size rear | |||
| Tyres front | 145/65 R 13 69S | ||
| Tyres rear | 145/65 R 13 69S | ||
| Brakes F/R | Di/Dr | ||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | 3 speed automatic | ||
| Top gear ratio | 0.84 | ||
| Final drive ratio | 5.31 | ||
| general | |||
| Carfolio.com ID | 608586 | ||
| Production total | |||
| Model code | |||
| RAC rating | 8.1 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1990 Honda Today Ri-Z Automatic added 2019-09-29. Last modified 2020-03-16. |
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