BOMBARDIER SEA-DOO SPX 5838 1998 Shop Manual page 216

Section 08 ELECTRICAL SYSTEM
Subsection 02 (IGNITION SYSTEM)
787 and 947 Engines
4. Remove middle screw securing the engine to
the rear engine mount. Reinstall screw with
timing mark pointer tool.
1
F06H05A
1. Timing mark pointer tool (P/N 295 000 135)
All Engines
5. Install and adjust a TDC gauge (P/N 295 000
143) in MAG side spark plug hole.
F01H5TA
TYPICAL
1. TDC gauge on MAG side
08-02-6
6. Rotate PTO flywheel counterclockwise (when
facing it) until piston is at Top Dead Center.
F01H4LA
TYPICAL
1. Adjust gauge dial at zero
7. From this point, rotate flywheel clockwise to
reach proper specification according to engine.
1
Refer to the following chart.
ENGINE
717
787
947
8. Scribe a thin mark on PTO flywheel in the mid-
dle of tool slot (717 engine) or aligned with tim-
ing mark pointer tool (787 and 947 engines).
1
IGNITION TIMING
(BTDC)
2.59 mm (.102 in)
3.38 mm (.133 in)
3.60 mm (.142 in)