Effectivity 912/914 Series
Edition 1 / Rev. 3
71-00-00
page 13
October 01/2010
d04775
BRP-Powertrain
Maintenance Manual
IGNITION UNIT: ROTAX DCDI, interference suppressed
IGNITION POINT:
1)
912 A, F, UL
2)
912 S, ULS, ULSFR
3)
914 F, UL
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)
Differences between electronic module
part no. 966726 and part no. 966727:
switching to advanced ignition:
ignition timing in normal operation:
from 650 to 1000 RPM
depending on trigger gap
after the expiration of
the time delay (3-8 sec.)
26° before T.D.C.
26° before T.D.C.
none
3 - 8 sec.
4° Before T.D.C.
3° After T.D.C.
4° Before T.D.C.
3° After T.D.C.
time delay for ignition at start:
ignition point at start 966871 current
966872 new
fly wheel hub
current 966726
new 966727
06301
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