Service manual
POWER UNIT
NOTICE
To prevent the engine from accidental starting, you should adopt adequate safeguard measures to cut
off the ignition system. For example: remove the hang rope stopper from stop switch assembly,
and remove spark plug cap from spark plug.
EXPLOSIVE DRAWING
23
22
21
20
17
14
19
18
15
16
1
4
5
2
3
9
11
10
8
15
13
12
7
6
6
15
M6x45 mm
1st 8Nm
2nd 12Nm
1st 15Nm
2nd 30Nm
25Nm
M6x20 mm
8Nm
PART NO.
DESCRIPTION REMARKS
2
1
1
4
2
1
1
1
3
1
气缸头螺栓A
火花塞
六角螺栓M6×45
缸头复合垫
空心定位销
六角头螺栓M6×16
气缸头
气门导管
缸头罩密封垫
缸头罩
PLUG ,SPARK
HEXAGON ,BOLT
PIN ,HOLLOW
GB/T5782-1986
F4-04000033
BPR7HS
F4-04000014
F4-04000003
HEXAGON ,BOLT
F4-04000018
GB/T5783-86
PIPE ,VALVE
CYLINDER ,HEAD
F4-04000017
F4-04080002
F4-04080101
40