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shu9265
04-23-2008, 06:14 PM
Does anyone have the torque specs for a 1983-83 Merc Cruiser 488 ?

I need to know the specs for Head Bolts, rockers,oil pan etc.

Any help with this will be great.

I had 2 repair Manuals, for this boat, and loaned both out to never be seen again

Priority1
04-23-2008, 09:53 PM
Head bolts on a 4 cyl M/M engine, 130 FT LB

shu9265
04-23-2008, 10:00 PM
Thanks Frank.

Rayman96
04-24-2008, 07:14 AM
I don't know how things are where you live, but my local library carries copies of repair manuals. Hope this helps.

special x
04-24-2008, 11:55 AM
Head Bollts 130 ft-lb torque in 3 stages
Rocker Arm bolts 20 ft-lb torque with valves closed
Oil Pan 130 in-lb
Side Cover 15 ft-lb
Intake Manifold 25 ft-lb
Flywheel/ Coupler 30 ft-lb
Main Bearing Caps 55 ft-lb
Rod Caps 40 ft-lb
Exhaust Manifold 25 ft-lb

if you need more let me no and i will post ..hit the high spots

shu9265
04-24-2008, 06:10 PM
I don't know how things are where you live, but my local library carries copies of repair manuals. Hope this helps.

I tried there first, only have the "newer " 2000 and up.

specialx Thank You very much.

Now I can put this thing back together. Thanks for the help everyone