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Reload this Page the k301 from the 129 "running away"
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Old 04-03-2015, 10:31 PM
kyleb179 kyleb179 is offline
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Default the k301 from the 129 "running away"
I reinstalled the 301 out of my 129 tonight. got it all wired up and fired right off, awesome. however it wants to 'run away' to full throttle even though the throttle is down at idle. i havent had a chance to set the high and low ends of the throttle but have done the rough adjustments of 2, and 2.5 turns to both. i have looked at parts tree, the engine manual, and countless images on google. on the attached picture below it looks like a spring was here to return the throttle, and it just rotted off, but i can't find a spring like it anywhere else, and i can't for the life of me remember if thier was one to start!
The governor return spring holes are a little worn out; when moving the throttle up and down i can't get the throttle to return to idle with the engine off. would this be safe to assume that is why it automatically jumps to full throttle right off the back? because of lack of tension on the spring?
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Old 04-03-2015, 10:39 PM
J-Mech J-Mech is offline
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I don't see any pics of a spring......

Did you adjust the governor per the manual?
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Old 04-03-2015, 10:40 PM
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DeltaCub DeltaCub is offline
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Properly set "Initial Adjustment" is imperative for the governor to work correctly. The Kohler manual has a segment explaining the process.
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Old 04-03-2015, 10:43 PM
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DeltaCub DeltaCub is offline
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You have a an old style throttle shaft in your carburetor. Is the part that links the governor shaft to the throttle shaft tight?
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Old 04-03-2015, 10:47 PM
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Terry C Terry C is offline
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You can't get the carb closed? Can't you adjust the cable? I'm looking at my 129 right now and there is only one spring and if you didn't have it the throttle lever would do nothing.
Adjust the cable and/or adjust the governor
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Old 04-04-2015, 12:08 AM
kyleb179 kyleb179 is offline
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the pic's i put up are of the spot that looks like it rotted away. i didn't take the motor apart, just removed it and cleaned/painted. it runs very well, and idles well when i have my finger on the throttle shaft. the linkage between the throttle shaft and governor arm is pretty loose. i will tighten that up tomorrow and see if it helps. it seems i may have been a little vague on my first post, which i apologize for. i hold the throttle shaft at idle with my thumb, and once i take my thumb off it moves to WOT on it's own and doesn't return to idle. i think tightening that linkage between the carb and governor will help. it is a ball and socket deal on the carb side and is quite loose.
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Old 04-04-2015, 12:14 AM
kyleb179 kyleb179 is offline
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i will take a video and upload to youtube tomorrow. that should help clear up what is going on here
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Old 04-04-2015, 12:35 AM
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austin8214 austin8214 is offline
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Quote:
Originally Posted by kyleb179 View Post
the pic's i put up are of the spot that looks like it rotted away. i didn't take the motor apart, just removed it and cleaned/painted. it runs very well, and idles well when i have my finger on the throttle shaft. the linkage between the throttle shaft and governor arm is pretty loose. i will tighten that up tomorrow and see if it helps. it seems i may have been a little vague on my first post, which i apologize for. i hold the throttle shaft at idle with my thumb, and once i take my thumb off it moves to WOT on it's own and doesn't return to idle. i think tightening that linkage between the carb and governor will help. it is a ball and socket deal on the carb side and is quite loose.
That will not help! DO NOT ATTEMPT TO START IT! Download a copy of the manual and follow the governor adjustment procedure. That engine running off the governor could result in catastrophic failure.
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Old 04-04-2015, 12:40 AM
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You need a spring if you don't have it, hard to see but it's item #82. Hooks to governor lever.


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Old 04-04-2015, 01:26 AM
J-Mech J-Mech is offline
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If it didn't have the governor spring, the flyweights would hold the throttle in the idle position. UNLESS..... the governor isn't adjusted.

OP:
Reset the governor. It explains it in the manual. Please read it, and if you have any questions, just ask.

Here is the link to the Kohler K series manual on our site if you do not have a copy:
http://www.onlycubcadets.net/forum/s...ead.php?t=4646

I suspect that you also do not have the throttle cable attached properly. Disconnect the throttle cable. DO NOT allow the engine to over-rev as it can literally come apart. (As Austin stated) Also, DO NOT adjust the rod between the carb and the governor. Adjusting the governor accounts for the length of that rod. If you change the length of it, then you have to readjust the governor.

Unhook the throttle cable, do the governor adjustment, then report back.
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