R165

R170

R170B

R175B

R180

ZR180

R185

ZR185

R190

ZR190

Engine type

Single cylinder,horizontal,water-cooled,4-stroke

Combustion chamber 

Swirl

Direct injection

Swirl

Direct injection

Swirl

Direct injection

bore(mm)

65

70

75

80

85

90

Stroke(mm)

60

65

80

80

90

displacement (L)

0.199

0.231

0.250

0.353

0.402

0.511

0.573

Rated power/speed(kW/ r/min)

2.43/2600

3.0/2600

3.64/3000

4.85/2600

5.67/2600

6.47/2200

6.8/2300

7.7/2300

Max. torque(N.m)

/

23.4

31.5

35.8

Speed at Max. torque(r/min)

/

2080

1760

1840

Fuel consumption (g/kw.h)

307.4

296.5

296.5

280.2

278.8

255

274.7

260

265.2

255

Compression ratio

22

21

19.5

21

19.5

21

19.5

Starting system

Hand cranking

Hand cranking or electric

Net weight(Kg)

29

31

60

72

95

100

Overall dimension (L*W*H) (mm)

473*282*365

473*280*365

589*342*463

625*341*464

670*381*560