Operation Manual

29BG 55, BG 65, BG 85, SH 55, SH 85
English / USA
EPA:
The Emission Compliance Period
referred to on the Emissions
Compliance Label indicates the number
of operating hours for which the engine
has been shown to meet Federal
emission requirements.
Category A = 300 hours, B = 125 hours,
C = 50 hours
CARB:
The Emission Compliance Period used
on the CARB-Air Index Label indicates
the terms:
Extended = 300 hours,
Intermediate = 125 hours,
Moderate = 50 hours
Engine
Ignition System
Fuel System
Specifications
Single cylinder two-stroke engine
Displacement: 1.66 ci (27.2 cc)
Bore: 1.34 in (34 mm)
Stroke: 1.18 in (30 mm)
Idle speed: 2,800 rpm
Type: Electronic
magneto ignition
Spark plug
(suppressed): Bosch WSR 6 F
or
NGK BPMR 7 A
Electrode gap: 0.02 in (0.5 mm)
Spark plug thread: M 14 x 1.25;
0.37 in (9.5 mm)
long
Carburetor: All position
diaphragm
carburetor with
integral fuel
pump
Air filter: Foam and felt
elements
Fuel tank capacity: 13.5 fl.oz (0.4 l)
Fuel mix: See chapter
“Fuel”
Model Bystander noise per
ANSI B 175.2-1999
Air flow rate in
blower mode
Air flow rate in
vacuum mode
Air velocity Engine power Weight
dB(A) CFM (m
3
/h) CFM (m
3
/h) MPH (m/s) HP (kW) LBS (kg)
BG 55 69 430 (730) 353 (600) 141 (63) 0.95 (0.7) 8.6 (3.9)
BG 65 69 430
(730) 353 (600) 174 (78) 0.95 (0.7) 8.8 (4.0)
BG 85 70 459 (780) 368 (625) 183 (82) 1.1 (0.8) 8.8 (4.0)
SH 55 67 430
(730) 353 (600) 141 (63) 0.95 (0.7) 10.6 (4.8)
SH 85 68 459 (780) 368 (625) 183 (82) 1.1 (0.8) 10.8 (4.9)