Technical Information 08.2005
Page 5
TI_08_2005_11_01_02.fm
1.5.1
Engine design
Single-cylinder engine with overhead valves.
Cylinder head, cylinder and upper half of crankcase
have been combined into a single unit.
The crankcase is horizontally split along the
crankshaft.
1.5.2
Engine control
.
Overhead valves (OHV), one exhaust valve (
1
)
and one inlet valve (
2
)
.
Valve control via crankshaft gear (
3
),
cam disk (
4
), lever (
5
), pushrod (
6
) and
rocker arm (
7
)
.
Crossflow scavenging
(= inlet and exhaust on opposite sides)
254TI011 KN
1
2
3
4
5
6
7