Rotax MMH-912 Series Maintenance Manual page 61

IGNITION UNIT:
IGNITION POINT:
Differences between electronic module
part no. 966726 and part no. 966727:
ignition point at start
time delay for ignition at start:
switching to advanced ignition:
ignition timing in normal operation:
FIRING ORDER:
SPARK PLUGS:
ELECTRODE GAP:
INTEGRATED
ALTERNATOR:
RECTIFIER-
REGULATOR:
EXTERNAL
ALTERNATOR:
(optional)
CARBURETOR:
FUEL PUMP:
STARTER:
PROPELLER
GEARBOX:
GEAR TRANSMISSION:
912 A, F, UL
1)
912 S, ULS, ULSFR
2)
914 F, UL
3)
Effectivity 912/914 Series
Edition 1 / Rev. 3
BRP-Powertrain
Maintenance Manual
ROTAX DCDI, interference suppressed
current 966726
fly wheel hub
4° Before T.D.C.
966871 current
966872 new
3° After T.D.C.
none
from 650 to 1000 RPM
depending on trigger gap
26° before T.D.C.
1- 4 - 2 - 3
12 mm (0.47 in.), DCPR7
see Fig. 74-6 and dimension (SPO1) in 74-00-00
Permanent magnet-singlephase alternator
(approx. 250 W AC)
12 V 20 A DC
12 V 40 A DC with full-wave rectifier-regulator
2x Bing-constant depression carburetors 32 mm,
Type 64
2 electric fuel pumps
1 mechanically driven fuel pump
electric starter, 12 V/0.6 kW, optionally 0.9 kW
integrated spur gear with torsional shock absorbing,
overload clutch, on UL optionally without overload
clutch
2.27 , 2.43
1) 2) 3)
new 966727
4° Before T.D.C.
3° After T.D.C.
3 - 8 sec.
after the expiration of
the time delay (3-8 sec.)
, DCPR8 , X27EPR-U9
1) 2)
3)
1) 2)
26° before T.D.C.
06301
3)
71-00-00
page 13
October 01/2010