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Old 08-13-2011, 06:25 PM   #1
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spare lehman

Hello Gents,

What would a spare lehman 120 be worth?* A local marina repowered their launch and they have the lehman 120 available.**

Would it be worth it to buy it for parts?



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Old 08-14-2011, 05:21 AM   #2
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spare lehman

Mostly it depends on weather YOU will be replacing parts on your boat , or a hired wrench will be doing the work.

Many wrench turners will not guarentee any work with used parts.

To me (I do my own work) $500 might be worth it as insurance.

If I has an ancient 120 , and this was identical, I would tear the head off and have it rebuilt as well as as many parts that will swop out.

I would pickle them and carry them on board as spairs.

However ,

If I were going offshore I would install them and have the existing parts rebuilt and use them , as my spairs.

I would save the remains ,the basic block, for a good rebuilding should that become necessary.

-- Edited by FF on Sunday 14th of August 2011 06:24:07 AM

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Old 08-14-2011, 05:31 AM   #3
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Vessel Name: Hobo
Vessel Model: Krogen 42-120
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RE: spare lehman

Here's*a quote I received*last November to rebuild a Ford Lehman:* $9,800** That doesn't include in/out.*

Machine Work and Parts

Exhaust Manifold/Exhaust Elbow

Bore Block
Grind and Polish Crank
Reconditioned Connecting Rods
R&R Wrist Pin Bushings
New Pistons/Rings/Pins
New Main Bearings
New Rod Bearings
New Cam Bearings
New Cam Thrust Washers
New Front and Rear Seals
Remanufacture Your Raw Water Pump with Gaskets
New Fuel Lift Pump with gasket
New Circulating Fresh Water Pump with Gasket
New Thermostat and Gasket
New Valves
Grind Seats
New Injector Tips
Remanufactured Injection Pump
New Engine Oil Cooler
New Water Hoses (all)
New Heat Exchanger
New Oil Lines
New Starter

Engine Painted Red

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Old 08-14-2011, 06:11 AM   #4
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RE: spare lehman

I once*bought 2 spare Perkins T6.354 engines. Sold one immediately and tripled my investment. Carried the other for 7 years, used one part off of it, then parted it out and made lots of $$.

If you have storage room and can get it for the $500 FF suggests, go for it.
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Old 08-15-2011, 03:15 AM   #5
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RE: spare lehman

"Bore Block"

Fine, if it includes line boring the crank and camshaft too.

"Grind and Polish Crank"

STRAIGHTEN , then grind and polish crank as needed.

But at 2-3 gph not much of a rebuild is required.

Me ,
I would take it to a "speed shop" machinist and tell them the operating and usual running RPM and have the reciprocating parts balanced .

Not many bucks , and with a good exhaust you might be hard pressed to tell when the engine is on.
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