Model

173F

177F

188F

190F

Engine type

Single cylinder,four stroke,OHV 25°,forced air cooling

Displacement

242

270

389

420

Bore*stroke,mm*mm

73*58

77*58

88*64

91*66

Compression ratio

8.0:1

Max.power,kw/rpm

4.5/3600

5.0/3600

7.0/3600

7.8/3600

Max.torque,n.m/rpm

14/2500

15.2/2500

21/2500

23.5/2500

Fuel consumption,g/kw.h

≤374

Min.stable speed,r/min

1500±150

Lubricating system

Lubrication by splash

Starting system

Recoil

Ignition system

CDI

Fuel designation

90#

Fuel tank/oil capacity,L

6.5/1.1

N.W/G.W,kg

25/28

31/34

Dimension,L*W*H mm

480*450*490

20FCL Loading quantity, sets

220