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Old 10-03-2013, 02:59 PM
rjtlawncare rjtlawncare is offline
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Join Date: Apr 2007
Location: CINCY OHIO
Posts: 69
kohler command pro 20hp throttle linkage spring broke?

I have a exmark lazer z hp 2002 , with a kohler command pro 20 hp motor. The spec. #ps-65593 The serial #3306405701

It was having surging problems at no load and would stop when put under load. Went to look at throttle linkage and the spring that goes around the throttle linkage has snapped at the top. The throttle linkage bushing(tiny plastic part) has broke off to, but only on the bottom where it attaches to the govnor arm.

Need to replace the throttle linkage spring and tiny plastic bushing and was wondering if there was any easy way of doing this. From the looks of things I will have to take off the donalson air fitler and maybe the carb to get to the throttle linkage. If I have to take off the carb is there anything I need to LOOK OUT FOR.

Another question do they sell this linkage with the spring and pastic bushing as ONE UNIT?
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Old 10-03-2013, 03:55 PM
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piston slapper piston slapper is offline
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Join Date: Mar 2010
Location: Tampa Fl
Posts: 4,236
I'm guessing that you're referring to the small white bushing in the throttle shaft.,.. and the dampner spring that fits over the link rod..
You have to loosen the carb and slide it out on the carb studs...that's the easy way.
The bushing has a notch for the bent end of the link rod....
If you don't get it lined up correctly...the link rod will bind...
If You Have All The Answers...Except The One You Need...You're Not Trying Hard Enough...
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Old 10-03-2013, 04:53 PM
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Jeff in AL Jeff in AL is offline
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Location: Alabama
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See reference numbers 1, 3 and 6...
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