8
TECHNICAL DATA
Engine
Mode of operation
4–stroke o.h.v.
Model
407 A–1
Output
9.2 h.p. at 5500 r.p.m.
Number of cylinders
1
Arrangement of cylinders
vertical
Bore
60 mm
Stroke
61.5 mm
Swept capacity
174 cc
Compression ratio
1 : 7.4
Valve arrangement
overhead valves
Valve clearance when engine cold
inlet 0.15 mm exhaust 0.20 mm
Lubrication system
oil–bath centrifugal lubrication
Cooling system
blower cooling
Ignition
Type of ignition
Battery–magneto with automatic timing
Dynamo
“BOSCH” (AZ/DAQ 90/12 1700 + 0.2 R)
Retarded ignition
0.3–0.5 mm before t.d.c. (using timing tool
404/W 10) or 8–10
0
before t.d.c.
Содержание Tourist
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