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Hsun HS394 - Page 104

Hsun HS394
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8-104 Periodic Maintenance and Adjustment
dealer. You should periodically re-move
and inspect the spark plug because heat
and deposits will cause the spark plug to
slowly break down and erode. If electrode
erosion becomes excessive, or if carbon
and other deposits are excessive, you
should replace the spark plug with the
specified plug.
Specified spark plug:
DR8EA (NGK)
Installation
1. Measure the electrode gap with a wire
thickness gauge and, if necessary,
adjust the gap to specification.
Spark plug gap:
0.023-0.027 in (0.6 - 0.7 mm)
2. Clean the gasket surface. Wipe off any
grime from the threads.
3. Install the spark plug and tighten it to
the specified torque.
a. Spark plug gap