Ski-Doo Formula S 1998, Shop Manual

Page: 238 / 338

Section 06 ELECTRICAL
Subsection 07 (TESTING PROCEDURE)
06-07-1
TESTING PROCEDURE 0
GENERAL
Two types of ignition systems are found on ROTAX
engines covered by this manual; both are Capaci-
tor Discharge Ignition (CDI) systems. The follow-
ing chart gives the engine types with their
implemented system.
CDI System Identification
Nippondenso
The NIPPONDENSO CDI system has a separate
ignition coil which is mounted on fan housing.
Ignition module is connected to a single ignition
generator coil via a 2-wire connector (BLACK and
BLACK/RED wires).
277 Engine
Ignition module stamped P/N: 070000-1960
Ignition coil stamped P/N: 129700-2480
Flywheel stamped P/N: 032700-4380
➀
NIPPONDENSO CDI SINGLE COIL SYSTEM
1. Separate ignition coil mounted on fan housing
2. Two-wire connector (BLACK and BLACK/RED wires)
3. Single ignition generator coil
Ducati
The DUCATI CDI system has a combined ignition
module/ignition coil which are mounted on air si-
lencer, below carburetor(s).
Ignition module is connected to the ignition gen-
erator coils via a 4-wire connector (GREEN and
WHITE wires).
ENGINE
TYPE
IGNITION SYSTEM
CHARGING
SYSTEM
OUTPUT
277
➀
NIPPONDENSO
(CDI)
SINGLE COIL
160
377, 443
and 503
➁
DUCATI (ADC) 240
1
A05E05A
3
2