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post #1 of 25 (permalink) Old 12-13-2011, 02:01 PM Thread Starter
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Kitty Cat Throttle Issue?

Hello everyone. I just picked up a 1997 Kitty Cat for my daughter.

The one thing I am having an issue with is the entire throttle/governer assembly. Let me explain. When pressing he throttle, I can see the butterfly start to move but when I get towards half throttle on the handlebars the linkages pop the carb to WOT. I tightened up the screw to restrict throttle as it is too fast at WOT but even with the screw all the way down, it still opens the carb wide open before the governer hits the screw.

My thought is to get a longer M5 screw as stock length is a size 16. But even then it does not look like the linkages will allow for a happy medium for throttle.

Has anyone had this issue? I could use some input on this. I hope there is an easy fix. Someone told me to put a block behind the throttle so she can't go wide open, but thats not going to help much when its already wide open at mid throttle.

Thanks Everyone and have a Great Holiday!

Jess
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post #2 of 25 (permalink) Old 12-14-2011, 08:43 AM
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How does it accelerate? How fast is too fast? I geared mine Down! I got my parts threw Olson Brothers
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post #3 of 25 (permalink) Old 12-14-2011, 08:53 AM Thread Starter
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Well when it idles up before it takes off the carb jumps to wide open shortly after the engage of the clutch. So there is no medium range. I am not worried about the acceleration. I just do not want the wide open or nothing which is what it does. Its wide open at half throttle. I need to slow it down some.
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post #4 of 25 (permalink) Old 12-14-2011, 08:59 AM
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Is the throttle closing all the way when released?

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post #5 of 25 (permalink) Old 12-14-2011, 09:26 AM Thread Starter
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Yes it close's all the way. When starting to push the throttle, the linkages start to move the butterfly open at the same pace. Once you get to the rpm that engages the clutch, go a little past that and the carb pops wide open. Every time.
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post #6 of 25 (permalink) Old 12-14-2011, 09:43 AM
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I'm wondering if the governor has not been messed with.
One way to over ride them is to shorten the spring to the arm and this will often cause that same problem that you are having.

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post #7 of 25 (permalink) Old 12-14-2011, 10:32 AM Thread Starter
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The guy I bought it from said since he bought new, only thing he has doen to it were grease, gas, spark plug, and wash it. And he was not a engine guru so I highly doubt he touched it. But thank you, I will look at that spring tonight and see if thats the issue.
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post #8 of 25 (permalink) Old 12-14-2011, 03:44 PM
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The govener spring may just be getting weak, or someone did the Zip tie trick!
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post #9 of 25 (permalink) Old 12-14-2011, 04:07 PM Thread Starter
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no zip tie's,
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post #10 of 25 (permalink) Old 12-14-2011, 11:01 PM
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OK then try putting a zip try threw the govener spring and back to it self!
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post #11 of 25 (permalink) Old 01-31-2013, 02:27 PM Thread Starter
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Still no luck with this thing. Now my daughter won't go near it and is afraid of it. THe last thing I wanted to happen.

Does anyone here have one they can look at to compare for me?
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post #12 of 25 (permalink) Old 01-31-2013, 04:43 PM
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On the throttle linkage, where the spring connects, are there multiple holes?

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post #13 of 25 (permalink) Old 01-31-2013, 08:13 PM Thread Starter
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No there is not multiple holes. I took some pictures so you can see what I am talking about.


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post #14 of 25 (permalink) Old 01-31-2013, 08:29 PM
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When the engine is off, does the linkage/butterfly move freely throughout it's range?

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post #15 of 25 (permalink) Old 01-31-2013, 09:27 PM Thread Starter
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The way I have it right now, is I backed off the throttle cable to the throttle on the handlebar only goes half way, trying to slow it down and it still opens up the butterfly all the way. That throttle adjustment screw is new and longer than the stock one was I was trying to back off the throttle as much as possible. Where it is right now is when my daughter sits on it, it barely goes but jumps wide open. if I back it off any more it will not engage the track. But yes it does open up smooth now, but still always goes wide open.
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post #16 of 25 (permalink) Old 02-01-2013, 03:25 AM
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That spring does not look right. It looks like an exhaust spring [too stiff].

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post #17 of 25 (permalink) Old 02-01-2013, 04:33 AM
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I remember my Mini Z having that same spring. Does it over rev or just go wide open?

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post #18 of 25 (permalink) Old 02-01-2013, 08:02 AM Thread Starter
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Just goes wide open. No matter where I adjust the throttle cable, the linkage always pops the carb wide open. I consider myself way above average when it comes to mechanics, I have rebuilt car engines and transmissions as well as small engines etc, but this stupid little linkage has me stumped!
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post #19 of 25 (permalink) Old 02-01-2013, 10:57 AM
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Check that the spring is not too stiff, you might need a softer pull spring in there.

I thought about it after I left this post and was of the opinion that maybe the governor spool inside the crank case may be damaged or missing.

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post #20 of 25 (permalink) Old 02-01-2013, 11:41 AM Thread Starter
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Here is a link to a schematic of the governor.
1999 Arctic Cat KITTY CAT (99KCA) GOVERNOR | Babbitts Arctic Cat Parts House

The spring looks right. The previous owner bought it new and never touched it, hell he only ran one tank of gas through it.
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