Sea-doo SP Shop Manual page 160

Section 07 ELECTRICAL SYSTEM
Sub-Section 02 (IGNITION SYSTEM)
ENGINE
717D/717
787
7. Scribe a thin mark on PTO flywheel in the mid-
dle of tool slot (717 engines) or aligned with
timing mark pointer tool (787 engine).
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TYPICAL
1. Tool slot
2. Flywheel mark
NOTE: This mark becomes the reference when
using the stroboscopic timing light.
-
CAUTION
The static test cannot be used as a timing
procedure, therefore, always check the tim-
ing with a stroboscopic timing light.
8. Remove TDC gauge.
9. Reinstall spark plug and connect wire.
Dynamic Test
To check ignition timing, use Bombardier timing
light (P/N 529 031 900).
07-02-6
IGNITION TIMING
(BTDC)
2.59 mm (.102 in)
3.38 mm (.133 in)
2
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A00B4FA
717 Engines
NOTE: To perform this procedure, make sure to
use a stroboscopic timing light rated up to 6000
RPM. Otherwise, an inaccurate reading will be ob-
tained.
The ignition components are affected by temper-
ature variation, therefore, timing must be checked
when engine is cold, after idling for a MAXIMUM
of 20 seconds.
1. Connect an induction-type tachometer (P/N
295 000 100) to spark plug wire.
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F00H0GA
1. Tachometer pick-up
2. Connect timing light pick-up to MAG side spark
plug wire.