kymco mo kxr 50 Instruction De Maintenance

Disconnect the A.C. generator connector.

Measure the pulser coil resistance between

the blue/yellow and green wire terminals.
Resistance:
Mongoose/KXR 90): 121.1W/20°C
Mongoose/KXR 50): 80_ 160W/20°C

Note: The readings in this table are taken
     with a YF-3501 Tester.

REMOVAL
Refer to chapter 14 for the A.C. generator

removal.

Remove the fan cover.

Warm up the engine and check the ignition

timing with a timing light.

When the engine is running at the ignition

timing is correct if the “F” mark aligns with

the index mark within ±2°.
Ignition Timing:
Mongoose/KXR 90): BTDC28°/4000rpm
Mongoose/KXR 50): BTDC15°/1700rpm

Advance Mark

“F”  Mark

This test is performed with the stator

installed in the engine.

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Pulser Coil Lead

The CDI unit is not adjustable. If the

ignition timing is incorrect, inspect the

CDI unit, pulser coil and A.C. generator

and replace any faulty parts.

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