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Reload this Page 1250 motor transplant
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  #1  
Old 04-14-2013, 07:32 PM
IACubCadet IACubCadet is offline
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Default 1250 motor transplant
My friend has a 1250 that has a bad motor. I was going to try and help him out by donating my good running 1210 engine so he could make it run and drive. The 1210 engine is the 12hp magnum. I'm pretty sure that it would be a bolt in and go minus the wiring, but just to be sure, is there anything that would need to be changed over to make it work in a 1250? TIA
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Old 04-14-2013, 07:47 PM
R Bedell R Bedell is offline
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I don't have a 1210, but I think you are right. Some minor wiring changes and you should be good to go.
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Old 04-14-2013, 09:00 PM
IACubCadet IACubCadet is offline
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One should be able to remove the hot wire to the coil on the 1250 since the Magnum engine is electronic ignition?
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Old 04-14-2013, 10:10 PM
R Bedell R Bedell is offline
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I haven't studied the wiring diagram for this modification, but it's doable.
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Old 04-14-2013, 11:07 PM
Mcamp Mcamp is offline
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the pto clutch on the 1210 is for a 5/8in. belt and 1 1/8in. crank, the 1250 has 1/2in. belt and a 1in. crank.
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Old 04-15-2013, 09:09 AM
IACubCadet IACubCadet is offline
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Quote:
Originally Posted by Mcamp View Post
the pto clutch on the 1210 is for a 5/8in. belt and 1 1/8in. crank, the 1250 has 1/2in. belt and a 1in. crank.
Yes, but as far as the wiring for the PTO it should be the same idea, right?
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Old 04-15-2013, 10:27 AM
Methos Methos is offline
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Quote:
Originally Posted by Mcamp View Post
the pto clutch on the 1210 is for a 5/8in. belt and 1 1/8in. crank, the 1250 has 1/2in. belt and a 1in. crank.
Quote:
Originally Posted by IACubCadet View Post
Yes, but as far as the wiring for the PTO it should be the same idea, right?
Yes and if it's going to be a mower could to the mower deck pulley be swapped out for a 5/8 belt? I guess it depends on the deck.
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Old 04-15-2013, 02:42 PM
IACubCadet IACubCadet is offline
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Yes, I was thinking the same thing. The deck pulley could easily be changed over.
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Old 04-15-2013, 11:46 PM
Mcamp Mcamp is offline
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you need to change the mule drive also to run the wider belt.
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  #10  
Old 04-16-2013, 10:59 PM
IACubCadet IACubCadet is offline
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Another question: How hard would it be to adapt a 12hp Kohler engine in a 1250 with a cast iron oil pan base on it, similar to the 7hp pan style? Would the engine itself be too tall for the driveshaft? My cousin and I are pondering this as well as the 1210 motor, but I'm having second thoughts about parting the 1210 so we are looking at possible alternatives. I know anything is possible, I just wonder if it will be functional. Here is a picture of the oil pan I am talking about.
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