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Old 10-10-2013, 08:30 PM
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CadetTY CadetTY is offline
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Default k301
What is the compression ratio for a k301a 12hp
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Old 10-10-2013, 09:39 PM
J-Mech J-Mech is offline
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The service manual does not state. I do not know

Why are you asking? Building a puller I assume... ?
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Old 10-10-2013, 10:23 PM
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The service manual does not state. I do not know

Why are you asking? Building a puller I assume... ?

Kind of. I bought a 122 and am wanting to rebuild the engine and i cleaned the top of the piston and it stamped .030.

Looking to mildly build it up bt be able to use it
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Old 10-10-2013, 11:03 PM
J-Mech J-Mech is offline
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The .030 means it's bored .030" oversized. Knowing compression ratio is not really important ....... unless you are planning on a SERIOUS build.
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Old 10-10-2013, 11:33 PM
Merk Merk is offline
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Main reason Kohler does not state compression ratio is the compression release built into the engine. For a daily use you need the compression release if you have a starter generator system.

Here is a good write up to build a fun to run/daily use Kohler:
www.kirkengines.com

Look towards the lower right sectin to how David Kirk build his "Killer Kohler" I did a build on a K241 (10 hp Kohler) and like the performace it now has.

One this to remember is when you add ponies to the engine you need to beef up the clutch and transmission to get the best performace out it.
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Old 10-11-2013, 03:58 AM
Lincolnmania Lincolnmania is offline
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Main reason Kohler does not state compression ratio is the compression release built into the engine. For a daily use you need the compression release if you have a starter generator system.

Here is a good write up to build a fun to run/daily use Kohler:
www.kirkengines.com

Look towards the lower right sectin to how David Kirk build his "Killer Kohler" I did a build on a K241 (10 hp Kohler) and like the performace it now has.

One this to remember is when you add ponies to the engine you need to beef up the clutch and transmission to get the best performace out it.
cool info! thanks for the link!
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Old 10-11-2013, 08:45 AM
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Just need compression ratio. Has starter gen.
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Old 10-11-2013, 10:52 AM
samiam44 samiam44 is offline
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I think they are about 7.5:1
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Old 10-11-2013, 12:42 PM
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Just need compression ratio. Has starter gen.
Just disconnect the compression release springs on the cam and roll it over with a compression guage hooked up.
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Old 10-11-2013, 02:18 PM
J-Mech J-Mech is offline
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Ok........ do you want to know how MUCH compression they make? Like as in how many PSI? Or do you want to know the RATIO?
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