X729 Throttle Response

1177 Views 5 Replies 6 Participants Last post by 8086bruce, Dec 30, 2011

snomuncher

Discussion Starter · Dec 30, 2011

The throttle on my 2011 X729 with the fuel injected Kawasaki engine does not increase the engine speed until it reaches between one third and half-throttle position. A dealer says this is normal for these tractors. I'm just wondering if other owners experience the same type of throttle response. Other tractors I've owned have had what I would describe as more even or linear response from idle to full speed across the entire range of throttle positions.

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Jere39

· #2 · Dec 30, 2011

I have an x728, same engine, and I feel like I have a pretty much linear throttle advance through an RPM range from bottom to top. I have never attached a tach to it, but the sound and feel, as well as the speed available makes it seem that way. There are a few other guys on here who have added small electronic tachs to their dash boards, and would provide a more definitive set of metrics than I can.

If you have a digital camera, take a video, capturing the engine sound as you gradually push your throttle through the range. My 2¢, your dealer is looking to avoid addressing your question.

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JohnDeere318Guy

· #3 · Dec 30, 2011

My X585 responds like that too.

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SkipD

· #4 · Dec 30, 2011

Your dealers should be able to resolve the problem. If I recall correctly, several folks here had the same problem a few months back and I think it was traced to a loose connection in the throttle cable somewhere.