Operation Manual

BR 350, BR 430
English
30
Ignition System
Electronic magneto ignition
Fuel System
All position diaphragm carburetor with
integral fuel pump
Blowing Performance
Weight
Users of this unit should carry out only
the maintenance operations described
in this manual. STIHL recommends that
other repair work be performed only by
authorized STIHL servicing dealers
using genuine STIHL replacement parts.
Genuine STIHL parts can be identified
by the STIHL part number, the
{ logo and, in some cases, by
the STIHL parts symbol K. The
symbol may appear alone on small
parts.
For repairs of any component of this
unit’s air emissions control system,
please refer to the air emissions
systems warranty in this manual.
Engine power to
ISO 7293:
BR 350: 2.1 kW (2.8 bhp)
BR 430: 2.9 kW (3.9 bhp)
Spark plug (resistor
type): NGK BPMR 7 A
Electrode gap: 0.02 in (0.5 mm)
Fuel tank capacity:57.5floz (1.7l)
Maximum air flow rate
BR 350: 677 cf/min
(1150 m
3
/h)
BR 430: 765 cf/min
(1300 m
3
/h)
Air flow rate with nozzle:
BR 350:
435 cf/min
(740 m
3
/h)
BR 430:
500 cf/min
(850 m
3
/h)
Air velocity with nozzle
BR 350: 168 mph
(75 m/s)
BR 430: 183 mph
(82 m/s)
dry:
BR 350: 22.0 lbs (10.0 kg)
BR 430: 22.3 lbs (10.1 kg)
Maintenance and Repairs