Husqvarna 531RS Workshop Manual page 7

Max speed
rpm
541RS/RST 8570
531RS 8570
Drive gear
angle
541RS/RST 30
531RS 30
Drive axle diameter
Ømm/Øinch
541RS 8/0.31
541RST 8/0.31
531RS 8/0.31
Idle speed
rpm
2500
2500
Bevel gear ratio
1:1,4
1:1,4
Weight without fuel
kg/lbs
7.6/16.7
7.9/17.4
7.5/16.5
Clutch diameter
mm/inch
76/3
76/3
Control disc drive
mm/inch
25.4/1
25.4/1
GAS
Volume fuel tank
Litre/US. pint
0.94/1.98
0.94/1.98
0.74/1.56
Technical data
Engage speed
rpm
3300
3300
Shaft diameter
Ømm/Øinch
28/1.10
28/1.10
English - 7