Installation; Ignition System - Polaris PREDATOR 50 2009 Manual

ELECTRICAL
3. Inspect the shift indicator contacts, shift drum, pin and
spring. Verify the pin is not sticking in the drum or is
damaged. Replace any worn or damaged components.
INSPECT

Installation

1. Install spring and pin into shift drum.
2. Install switch with new O-ring. Route wires through
crankcase.
3. Install retaining screws.
4. Torque screws to 39 - 52 in. lbs. (4.5 - 6 Nm).
8.8

IGNITION SYSTEM

Overview
The Youth ATV ignition system consists of a simple magneto-
driven system that includes a stator Pulser Coil, CDI Box,
Ignition Coil and related wiring / connectors.
Timing is non-adjustable on this ignition system.
Ignition System Troubleshooting
No Spark, Weak or Intermittent Spark
• No 12 volt power on brown (BN) wire at CDI box or no
CDI box ground path from the black/white (BK/WH)
wire
• Spark plug gap incorrect
• Fouled spark plug
• Faulty spark plug cap or poor connection to high
tension lead
• Related wiring loose, disconnected, shorted, or
corroded
• Engine Stop switch or ignition switch faulty
• ETC switch misadjusted or faulty
• Poor ignition coil ground
• Faulty stator (measure resistance of all ignition related
windings)
Pin
• Incorrect wiring (inspect color coding in connectors
etc)
• Faulty ignition coil winding (measure resistance of
primary and secondary)
• Sheared flywheel key
• Flywheel loose or damaged
• Excessive crankshaft runout on magneto. (RH) end
should not exceed .005"
• Faulty CDI module