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Service Manual, General Motors 4.3L Engine (TP ... - Kohler Power

Service Manual, General Motors 4.3L Engine (TP ... - Kohler Power

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<strong>Engine</strong> Marine/Industrial <strong>4.3L</strong> 6-157<br />

12. Measure the NEW spark plugs for the proper gap.<br />

Adjust the spark plug gap if necessary.<br />

Specification<br />

Spark plug gap to 1.52 mm (0.060 in)<br />

13. Install the spark plugs.<br />

Tighten<br />

• Tighten the spark plugs for a USED cylinder head to 15<br />

N•m (11 lb ft)<br />

• Tighten the spark plugs for the initial installation of a NEW<br />

cylinder head to 30 N•m (22 lb ft).<br />

Valve Rocker Arm and Push Rod Installation<br />

Important: Be sure to keep parts in order. Parts must be<br />

reinstalled into the original location and position.<br />

1. Install the valve pushrods.<br />

328586<br />

Important: Be sure that the arrow on the valve rocker arm support<br />

is in the up position.<br />

2. Install the valve rocker arm supports.<br />

480529<br />

480578<br />

2000 Marine/Industrial

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