Allocation Of Trigger Coils And Ignition Circuits; 3) Firing Order; Ignition Cables - Rotax 914 F Maintenance Manual

9.4.2)

Allocation of trigger coils and ignition circuits

See Pic. 25.
The top placed trigger coils A1/2 and A3/4 (in approx. 5 mm higher position)
control in conjunction with the top electronic module the top spark plug of the
cylinders.
i.e. Ignition circuit A:
Legend to Pic. 24 and 25:
Drehzahlmesser
rev. counter
A3/4
B1/2
9.4.3) Firing order
The firing order is 1 - 4 - 2 - 3.
9.4.4)

Ignition cables

The 8 ignition cables are marked with number 1 through 4 for cylinder
assignment. 2 cables each are routed together in a protective hose between
the cylinder heads.
The connection of ignition cable on ignition coil and spark plug connector is
by threaded prong, thus enabling easy exchange.
Modification no.
- 0 -
top spark plugs
Ignition circuit B: lower trigger coils
lower spark plugs
B3/4
A1/2
00135
NOTE: These ignition cables can only be routed into position
without spark plug connector.
Reference
top trigger coils
Designation of trigger coils.
e.g. A3/4 controls ignition of the top spark plug
of cyl. 3 and 4 (ignition circuit A)
Pic. 25
top electronic module
lower electronic module
Main Date
1997 02 01
914 F
Page
51