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2 MF12's from York, PA


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#31 DH1 ONLINE  

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Posted April 03, 2010 - 09:26 PM

As for the motor in question I'd just get it rebuild, no need for a new one. Put your best motor on your best tractor, for that matter take all the best parts you have and put them in 1 make a really good tractor. Then do the same again with whats left over till you have all the N/G parts on 1.

Nice pic I like the rear tires on the gear drive.

#32 Guest_hooligan_*

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Posted April 04, 2010 - 05:21 AM

Keep the same motor, strip it down, take it to the machine shop have it MICed, bored if necessary also do the crank, buy you an overhaul kit around 100 bucks, and you've got a brand new engine for around 250. I see guys take these apart and slap some new rings in, or a piston and rings, freshen it up. That's a complete waste of time and money. If your going to tear one down, you might as well plan on fixing it right, for gods sake why would you skimp the damn thing, how old is it?, give it a complete overhaul. I'm not a big fan of putting in clone hondas or non OEM engines, but at lest that's giving it back some power. I cant tell you how many times someone has told me they looked down the cylinder, and said the thing looked brand new, and when the took it to the machine shop and had it MICed it needed bored .030 or .040 to return it to completely round. You cant tell taper or oval by the naked eye, only by exact measurement, and if you just throw some new parts in it, it's not going to last very long. Make sure you use ALL new parts, including piston, rings, rod, wrist pin, bearings, valves, and gaskets, one weak link and you've blown your engine and your investment

#33 fordmustang1984 OFFLINE  

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Posted April 04, 2010 - 03:43 PM

I talked to my grandfather this morning, and we are going to rebuild it. He used to be a machinist, and is really good with small engines. I'll try and start a thread to follow it along the way.

#34 mikebramel OFFLINE  

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Posted April 04, 2010 - 09:00 PM

wondering where you get your parts for the hh120s

#35 Guest_hooligan_*

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Posted April 04, 2010 - 09:13 PM

wondering where you get your parts for the hh120s


I'm not sure who your asking, so I'll answer. Tecumseh is owned by Peereless, maker of transmissions and transaxles, Most dealers can get parts, but probably cheaper to ebay the items you need, or go to one of the discount parts houses, like PartsTree

#36 mikebramel OFFLINE  

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Posted April 04, 2010 - 09:22 PM

thanks. so itd be about 350 plus machine work and odds and ends to do a hh120?

QTY Description Part Number Price Total
PISTON PIN 20 TE32240B $79.63 $79.63
CONN ROD TE34383 $63.04 $63.04
INT VALVE OS TE31941 $33.27 $33.27
EXH VALVE OS TE31943 $73.82 $73.82
BEARING TE31932 $39.20 $78.40
GASKET SET TE33237B $19.06 $19.06

Subtotal: $347.22
Estimated Shipping to Continental U.S.
(lower 48 states) More Info $9.99
Estimated Total $357.21

#37 Guest_hooligan_*

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Posted April 05, 2010 - 07:08 AM

thanks. so itd be about 350 plus machine work and odds and ends to do a hh120?

QTY Description Part Number Price Total
PISTON PIN 20 TE32240B $79.63 $79.63
CONN ROD TE34383 $63.04 $63.04
INT VALVE OS TE31941 $33.27 $33.27
EXH VALVE OS TE31943 $73.82 $73.82
BEARING TE31932 $39.20 $78.40
GASKET SET TE33237B $19.06 $19.06

Subtotal: $347.22
Estimated Shipping to Continental U.S.
(lower 48 states) More Info $9.99
Estimated Total $357.21


I think you can beat those prices by a good 30 percent if you look around, I'll see what I can do through Stens

#38 Guest_hooligan_*

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Posted April 05, 2010 - 07:03 PM

I just saw two Tecumseh HH120 pistons on ebay, less than 20 bucks each, and a set of CHROME rings for 30 dollars, I think I can get the rod for well under 40. If the valves aren't trashed they can be ground or cleaned up fine

#39 fordmustang1984 OFFLINE  

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Posted April 05, 2010 - 10:12 PM

Its an OH140 not an HH120. I will try Pats Small Engine and Jack's. Then ebay if the others are real expensive.

#40 Guest_hooligan_*

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Posted April 06, 2010 - 05:53 AM

Its an OH140 not an HH120. I will try Pats Small Engine and Jack's. Then ebay if the others are real expensive.


Sorry I forgot, I missed the part where someone put the OH140 in it. BTW what did it come out of.

#41 olcowhand OFFLINE  

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Posted April 06, 2010 - 08:59 AM

Sorry I forgot, I missed the part where someone put the OH140 in it. BTW what did it come out of.


If that HH140 model number starts with "143", then it came off a Sears GT.

#42 fordmustang1984 OFFLINE  

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Posted April 06, 2010 - 09:23 PM

Nope, i think it was purchased from a store, with a "2-N-10 year warrenty" in the 80's. It just looks that new with that decal, and has the newer style carburator W/O the main jet screw. It also has the Tecumseh model numders, not anything else.




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