Remove all the spark plugs

from Indmar Service Manual 8.1L Mechanical Repair Specs Manual - PDF DOWNLOAD

Install the removed parts

Engine Engine Mechanical 8.1L 6-3 Fastener Tightening Specifications (cont’d)

Specification

Application Metric English

Transmission Converter Cover Bolts 12 N•m 106 lb in Valve Lifter Guide Retainer Bolt 25 N•m 19 lb ft Valve Rocker Arm Cover Bolt 12 N•m 106 lb in Valve Rocker Arm Nut 25 N•m 19 lb ft Valve Rocker Arm Stud 50 N•m 37 lb ft Water Crossover Pipe Bolt 50 N•m 37 lb ft Water Pump Bolt 50 N•m 37 lb ft Water Pump Pulley Bolt 25 N•m 19 lb ft

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Install the removed parts
3min
page 9
If some cylinders have low compression, inject approximately 15 ml (one tablespoon) of engine
3min
page 8
Start with the compression gauge at zero. Then crank the engine through four compression strokes (four puffs).
1min
page 6
Make the compression check the same for each
1min
page 7
cylinder. Record the reading. The minimum compression in any one cylinder should not be less than 70 percent of the highest cylinder. No cylinder should read less than 690 kPa (100 psi). For example, if the highest pressure in any one cylinder is 1035 kPa (150 psi), the lowest allowable pressure for any other cylinder would be 725 kPa (105 psi). 1035 x 70% = 725) (150 x 70
1hr
pages 105-175

Remove all the spark plugs

Next Article

Install the removed parts

Engine Engine Mechanical 8.1L 6-3 Fastener Tightening Specifications (cont’d)

Specification

Application Metric English

More articles from this publication:

Install the removed parts

If some cylinders have low compression, inject approximately 15 ml (one tablespoon) of engine

Start with the compression gauge at zero. Then crank the engine through four compression strokes (four puffs).

Make the compression check the same for each

This article is from:

Indmar Service Manual 8.1L Mechanical Repair Specs Manual - PDF DOWNLOAD