Zetor PROXIMA PLUS 90 2012 Operator's Manual page 191

TECHNICAL SPECIFICATIONS OF ENGINES OF THE TRACTORS
Model of the engine
Valve gear type
Advanced injection angle
Valve play of cold engine
 inlet valves
 exhaust valves
 valve bridge clearance
ESSENTIAL TECHNICAL PARAMETERS
1206
° 11
mm
mm
mm
1006
OHV
11
0.25±0.05
0.25±0.05
0,05
190
1306
12