Instruction Manual

BR 350, BR 430
English
30
Engine
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.
Warranty claims following repairs can be
accepted only if the repair has been
performed by an authorized STIHL
servicing dealer 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.
Single cylinder two-stroke engine
Displacement: 3.86 cu. in
(63.3 cc)
Bore: 1.89 in (48 mm)
Stroke: 1.38 in (35 mm)
Idle speed: 3,000 rpm
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:
441 cf/min
(750 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