Effectivity 912/914 Series
Edition 1 / Rev. 0
71-00-00
page 13
May 01/2007
d02621
BRP-Rotax
Maintenance Manual
IGNITION UNIT: ROTAX DCDI, interference suppressed
IGNITION POINT: at start: Circuit A and B:.....4° B.T.D.C.
during operation:
Circuit A:..............26° B.T.D.C.
Circuit B
1) 2)
:.........26° B.T.D.C.
Circuit B
3)
: ..........22° B.T.D.C.
FIRING ORDER: 1- 4 - 2 - 3
SPARK PLUGS: 12 mm (0.47 in.), DCPR7
1)
, DCPR8
2)
, X27EPR-U9
3)
ELECTRODE GAP: see Fig. 74-6 and dimension (SPO1) in 74-00-00
INTEGRATED
ALTERNATOR: Permanent magnet-singlephase alternator
(approx. 250 W AC)
RECTIFIER-
REGULATOR: 12 V 20 A DC
EXTERNAL
ALTERNATOR: 12 V 40 A DC with full-wave rectifier-regulator
(optional)
CARBURETOR: 2x Bing-constant depression carburetors 32 mm,
Type 64
FUEL PUMP: 2 electric fuel pumps
3)
1 mechanically driven fuel pump
1) 2)
STARTER: electric starter, 12 V/0.6 kW, optionally 0.9 kW
PROPELLER
GEARBOX: integrated spur gear with torsional shock absorbing,
overload clutch, on UL optionally without overload
clutch
GEAR TRANSMISSION: 2.27
1)
, 2.43
2) 3)
DIRECTION OF
ROTATION: counterclockwise, seen from the front in the direc-
tion of the propeller flange
OVERLOAD CLUTCH: multi-disk
VACUUM PUMP drive via the gearbox
(optional):
PROPELLER PITCH
GOVERNOR (optional): drive via the gearbox
1)
912 A, F, UL
2)
912 S, ULS, ULSFR
3)
914 F, UL
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