Volvo Penta 230 User Manual

12
1. Overhaul Data
Technical Data
230, 250, 251DOHC
AQ131, AQ151, AQ171
General
Type designation ................................................................................. 230, AQ131
Type of engine ..................................................................................... 4 stroke, overhead cam
Speed range full load ........................................................................... 78.3–83.3 r/s (4700–5000 rpm)
Maximum cruising speed .................................................................... 3.33 r/s (200 rpm) lower than the max speed obtained
Compression ratio ............................................................................... 9.7:1
Compression pressure at starter motor speed
1)
.................................. 10–12 kp/cm
2
(142–170 psi)
Number of cylinders ............................................................................ 4 in line
Cylinder bore ....................................................................................... 96 mm (3.7795")
Stroke.................................................................................................. 80 mm (3.1496")
Swept volume (displacement) ............................................................. 2.315 dm
3
(141.3 in
3
)
Weight, excluding water and oil, approx. ............................................. 240 Kilos (529.1 lbs)
Idling speed ......................................................................................... 15 r/s (900 rpm)
General
Type designation ................................................................................. 250, AQ151
Type of engine ..................................................................................... 4 stroke, overhead cam
Speed range full load ........................................................................... 80–91.7 r/s (4800–5500 rpm)
Maximum cruising speed .................................................................... 3.33 r/s (200 rpm) lower than the max speed obtained
Compression ratio ............................................................................... 9.7:1
Compression pressure at starter motor speed
1)
.................................. 10–12 kp/cm
2
(142–170 psi)
Number of cylinders ............................................................................ 4 in line
Bore..................................................................................................... 96 mm (3.7795")
Stroke.................................................................................................. 86 mm (3.3858")
Swept volume (displacement) ............................................................. 2.49 dm
3
(151.9 in
3
)
Weight, excluding water and oil, approx. ............................................. 250 Kilos (551.2 lbs)
Idling speed ......................................................................................... 15 r/s (900 rpm)
General
Type designation ................................................................................. 251DOHC, AQ171
Type of engine ..................................................................................... 4 stroke, overhead cams
Speed range full load ........................................................................... 83.3–95 r/s (5000–5700 rpm)
Maximum cruising speed .................................................................... 3.33 r/s (200 rpm) lower than the max speed obtained
Compression ratio ............................................................................... 9.7:1
Compression pressure at starter motor speed
1)
.................................. 10–12 kp/cm
2
(142–170 psi)
Number of cylinders ............................................................................ 4 in line
Bore..................................................................................................... 96 mm (3.7795")
Stroke.................................................................................................. 86 mm (3.3858")
Swept volume (displacement) ............................................................. 2.49 dm
3
(151.9 in
3
)
Weight, excluding water and oil, approx. ............................................. 289 Kilos (637.15 lbs)
Idling speed ......................................................................................... 15 r/s (900 rpm)
1)
Applies to hot engine, wide open throttle

Volvo Penta 230 Specifications

General

Brand	Volvo Penta
Model	230
Category	Engine
Language	English