Line

Item

Specifications and Description

1

Model

4Y

2

Type

4 stroke, water cooling, inline, wedge shape combustion chamber

3

Cylinders

4

4

Bore

91 mm

5

Stroke

86 mm

6

Displacement

2.237 L

7

Power / RPM

68 kw / 4,200-4,600 rpm

8

Idle speed

750 ± 50 rpm

9

Max. torque/RPM

177 N.m / 2,800-3,200 rpm

10

Fuel supply

Carburetor

11

Fuel

RON 90 (GB484)

12

Min. fuel consumption

≤ 295 g / kw.h

13

Oil

SE 10 W-30 or SE 15 W-40 (GB11121)

14

Oil consumption

≤ 0.8 %

15

Piston average speed

13.19 m / s

16

Crankshaft rotation (facing to flywheel)

Anticlockwise

17

Compression ratio

8.8

18

Weight vs. power

2.25 kg / kw

19

Average efficient pressure

793 kPa

20

Power vs. displacement

30.4 kw / l

21

Ignition order

1-3-4 -2

22

Distributing

Intake in advance

12 °

Intake in lag

48 °

Exhaust in advance

54 °

Exhaust in lag

10 °

23

Cooling

Centrifugal water pumped cycling

24

Lubricating

Pressed and splashed

25

Starting

Electric starter