Polaris 340 LX 2007, Руководство по обслуживанию

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11.6
BATTERY & ELECTRICAL SYSTEMS
IGNITION TIMING
Timing Procedure - Carbureted Engines
NOTE: Always verify timing of engine at room
temperature (68
° F / 20 ° C), and at the specified RPM.
If applicable, make sure the key switch is in the
PREMIUM mode and the TPS is unplugged.
1. Reference the timing specification chart.
2. Install a dial indicator gauge into the MAG spark plug hole.
3. Place the MAG piston in the proper timing position, then
mark the flywheel at this point.
EXAMPLE: 600 HO Carbureted = 26
°
@ 3500RPM. Place
the MAG piston 4.0096mm (0.1579in.) BTDC.
NOTE: Each 10 degree mark is separated by lines
every 2 degrees (not shown). Acceptable timing
variance is +/- 2 degrees.
4. Connect an accurate tachometer and a good quality timing
light to the engine according to manufacturer's instructions.
5. Disconnect the throttle position sensor (TPS), if equipped.
6. Start engine and increase RPM to the point specified in the
timing specifications. Hold the throttle to maintain
specified timing RPM.
7. Point the timing light at the timing inspection hole.
8. With your head positioned so there is a straight line between
your eye, the stationary pointer and the crankshaft center
line, note the relative position between the marked flywheel
line and the pointer. If the stationary pointer is aligned with
the mark made in Step 3, or within the acceptable variance,
ignition timing is correct.
9. If the pointer is outside the variance, the stator will have to
be rotated either with crankshaft rotation (to retard the
timing) or against rotation to advance it.
NOTE: Rotate stator plate approximately the same
distance as the marks must move. In most cases, the
recoil starter housing, recoil drive hub, and flywheel
must be removed to loosen the stator bolts and
change the timing. On some engines, the stator plate
retaining screws can be accessed through the
flywheel.
10. Torque stator plate screws and flywheel nut to specified
torque. Apply Loctite 262 (red) to crankshaft flywheel taper
if required. Refer to the Specifications section for torque
specifications and flywheel installation procedure for
engine type.
Flywheel
Rotation