Timing - BOMBARDIER Elan Shop Manual

SECTION 04
SUB-SECTION 04, (IGNITION TIMING)
IGNITION TIMING ONE' CYLINDER,(247 TYPE)
Too late:
Turn armature
plate counter-clockwise
Too early:
Turn armature
plate clockwise
O
NOTE: Ignition timing can change upon tight-
ening. Always recheck after tightening.
TDC GAUGE PROCEDURE
1. Disconnect spark plug wire and remove spark plug.
2. Remove rewind starter assembly from engine then
remove the starting pulley from magneto ring.
3. Rotate crankshaft until breaker points, visible
, through magneto ring opening, are fully open. Ad-
just points gap to 0040 mm
±
0.05 mm COW"
±
.002") using a feeler gauge and screwdriver as
lustrated.
O
NOTE: Breaker points gap can change
tightening. Always recheck after tightening.
O NOTE: Breaker points gap can change upon tight-
ening. Always recheck after tightening.
4. Disconnect junction block at engine then connect
one lead of a timing light (flashlight type), or a tone
timer to the blue wire leading from engine. Connect
other to fan cowl (ground).
5. Turn timing instrument ON and rotate crankshaft un-
til timing marks align. Slacken the three (3) armature
plate retaining screws then rotate armature plate un-
til timing light fluctuates or tone signal sound level
varies.
Retighten retaining screws at this position.
1. Disconnect spark plug wire and remove spark plug.
2. Remove rewind starter assembly from engine then
remove the starting pulley from magneto ring.
3. Rotate crankshaft until breaker points, visible
through magneto ring opening, are fully opened. Ad-
just points gap to 0.40 mm
±
0.05 mm COW"
±
.002") using a feeler gauge and screwdriver as il-
lustrated.
TIMING MARK PROCEDURE
Two methods are detailed in this section; the first using
the timing marks stamped on the engine, the second us-
ing a Top Dead Center gauge.
4. Disconnect junction block at engine then connect
one lead of a timing instrument (flashlight type) or
tone timer, to the blue wire coming from engine.
Connect other wire to fan cowl (ground).
5. Install and adjust T.D.C. gauge on engine as follows:
(IGNITION TIMING ONE CYLINDER), PAGE 1