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 printable version
Short technical characteristics of petrol engines
Parameter | HZ | HK | MH | NU | SC | EZ | GU | | Number of cylinders | 4 | 4 | 4 | 4 | 4 | 4 | 4 | | Bore mm | 75 | 75 | 75 | 75 | 75 | 81 | 81 | | Stroke, mm | 59 | 72 | 72 | 59 | 75 | 77.4 | 86.4 | | Displacement, cm3 | 1043 | 1272 | 1272 | 1043 | 1272 | 1595 | 1781 | | Compression ratio | 9.5 | 9.5 | 9.5 | 9.5 | 9.5 | 9.0 | 100 | | Rated power, kW (hp.) / Engine speed, min -1 | 37 (50) / 5900 | 40 (55) / 5400 | 40 (55) / 5200 | 37 (50) / 5200 | 47 (60) / 5400 | 55 (75) / 5200 | 66 (90) / 5200 | | Maximum torque, Nm / engine speed, min -1 | 74/3900 | 96/3300 | 96/3400 | 94/3300 | 97/3100 | 125/2500 | 145/3300 | | Operating procedure of cylinders | 1-3-4-2 | | Cylinder block | Cast iron, caseless | | Block head | Aluminum alloy with pressed sleeve and valve seats | | Pistons | Aluminum alloy with steel inserts. The pistons have two compression and one oil scraper ring | | Crankshaft | Steel, forged, pyatioporny | | The valve timing of the intake valves: | | - Opening BTDC | 12 | 3 ?° | 5 | 5 | 8 | 5 | 1 | | - Closing after BDC | 28 ?° | 38 ?° | 29 ?° | 29 ?° | 24 ?° | 21 ?° | 37 ?° | | Timing exhaust valves: | | - Open after TDC | 25 ?° | 41 ?° | 33 ?° | 33 ?° | 29 ?° | 41 ?° | 42 ?° | | - Closing after BDC | 9 | 3 ?° | 9 | 9 | 13 | 3 ?° | 2 ?° | | The gap between the cams and cam-shims valves on the cold engine (cylinder head temperature of 20 ?° C), mm: | | - Inlet valves | 0.1 +0.5 | 0.1 +0.5 | - | - | - | 0.2 +0.5 | 0.2 +0.5 | | - Exhaust valves | 0.2 +0.5 | 0.2 +0.5 | - | - | - | 0,4 ?± 0,5 | 0,4 ?± 0,5 | | The oil pressure in the engine lubrication system, kg / cm 2: | | - Idle | 0.3 | | - At engine speeds 2000 min -1 | 2.0 - 0.6 | | Oil filter | Full-flow replaceable | | Air filter | With removable, dry filter element | | Fuel pump | A mechanical diaphragm type | | Carburetor | 31R1S-7 | 2E3 | 2E3 | 2E3 | - | 2E2 | 2E2 | | Fuel injection system | K-Jetronic, KE-Jetronic, Digiget | | Ignition system | Contact with the ignition distributor or transistor TSZ-H and E-VEZ | | Ignition angle, ?° | 5 | 5 | 5 | 5 | 5 | 18 | 18 |
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