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Old 02-03-2013, 10:55   #46
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Join Date: Apr 2011
Location: Satellite Beach Florida
Boat: Bruce Roberts 434
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If you are coastal cruising years of towing insurance can be bought for cost of replacing the engine. Have the mechanic write down what he said and try to knock off 25k on the boat!! Haha
And see how that goes


"When the bow be in the trees we'll be running out of seas"
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Old 26-11-2013, 07:14   #47
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Join Date: Nov 2013
Location: Holland
Boat: 9mtr motorboat
Posts: 32
Re: Perkins 4-108 diesel

I would love to know how it went, I bought a 4108 that was 36years old and only had 835 hrs on it, now at 1100 hrs I have had to replace the the valve stem seals and the throttle shaft Orings, my Mechanic couldnt believe his eyes when he came to do the tappets. Never seen a 36year old 4108 lowline that ran like a new motor, which really it is, except all the rubbers will have gone hard and will be replaced bit by bit, expecting the back crankcase seal next, already have the replacement ready to go.

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Old 12-12-2013, 14:14   #48
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Join Date: Jan 2010
Location: Bayou Chico, FL 32507
Boat: Cal Cruising 46 - SATORI
Posts: 242
Re: Perkins 4-108 diesel

We have re-manufactured 11 Perkins 4.108 long blocks this year. In all cases they had few hours and had failed due to owner neglect, improper maintenance, boat sunk, etc. None of these 11 failed due to excessive wear. I believe the Perkins 4.108 is one of the best mid size marine engines ever built.

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diesel, perkins

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