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Gas Club Car Gas DS, and Precedent golf cars |
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05-12-2022, 07:38 AM | #1 |
Gone Wild
Join Date: Aug 2017
Location: Doradotown,Fl.
Posts: 154
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KF92 engine will not get up to speed
Hi, '91 DS , KF 82. cart starts good , runs at slow speed , but will not speed up. I noticed that the fuel filter ( fairly new) was not getting much fuel in it. I switched fuel pump with a new one and same result.Any suggestions? thanks ! not sure if the rev limiter has anything to do with it ?! Thanks in advance !!
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05-12-2022, 05:42 PM | #2 |
Not Yet Wild
Join Date: Feb 2022
Location: Fox Lake, WI
Posts: 56
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Re: KF92 engine will not get up to speed
I bought a well used 86 with the KF82 flathead this spring. The throttle shaft in the carburator had sticky spots, and didn't move freely (wouldn't open up all the way under the cable spring pressure). Cleaned that out while I had the carb apart for other needed cleaning. Could also be main jet partially plugged and needs cleaning.
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05-13-2022, 06:22 AM | #3 |
Gone Wild
Join Date: Aug 2017
Location: Doradotown,Fl.
Posts: 154
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Re: KF92 engine will not get up to speed
Thanks, I'll try that . I have a tendency to think of a "dirty" carb .
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05-13-2022, 08:43 AM | #4 |
Not Yet Wild
Join Date: Feb 2022
Location: Fox Lake, WI
Posts: 56
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Re: KF92 engine will not get up to speed
Before you tear into the carb, step on the pedal and see if the throttle shaft at the top of the carb is getting pulled open. Governor spring pressure in a cable linkage at the bottom front of the engine should be trying to pull the throttle plate wide open, and as cart speed increases, the axle speed governor linkage will then start pushing it closed.
I'll see if I can find another thread on here that shows the system and adjustments. Here's a link to the governor linkage adjustment from axle to engine... https://www.buggiesgonewild.com/show...nor+adjustment This thread has some info and pictures of what the linkages are supposed to look like... https://www.buggiesgonewild.com/show...tle+adjustment |
05-13-2022, 10:55 AM | #5 |
Nincompoop village idiot
Join Date: Apr 2018
Location: Michigan
Posts: 9,669
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Re: KF92 engine will not get up to speed
I second governor adjustment. The governor rod and linkage system on those is a pain to get set up right. Real pain. Find the service manual and set everything to factory spec. People screw with them to try and get them to go faster and usually create more problems than they solve, and can never get it back to where it started.
That said, these aren’t particularly fast motors/carts. 12-14mph is standard. You can get them up to about 17-18mph and that’s about it. These engines don’t particularly like to be revved very high |
05-15-2022, 08:00 AM | #6 |
Gone Wild
Join Date: Aug 2017
Location: Doradotown,Fl.
Posts: 154
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Re: KF92 engine will not get up to speed
Thanks Scooter and CP , for the tips. You are correct , the KF92 will not provide alot of speed , but my cart will not increase RPM above an idle.I appreciate all advice .
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05-15-2022, 08:14 AM | #7 |
Vintage tech
Join Date: Sep 2009
Location: South
Posts: 3,215
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Re: KF92 engine will not get up to speed
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05-15-2022, 09:02 AM | #8 |
Nincompoop village idiot
Join Date: Apr 2018
Location: Michigan
Posts: 9,669
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Re: KF92 engine will not get up to speed
First thing is first. These carts do not idle. Are you sure it is running at all? I believe it’s just the starter/gen turning the engine over
As trig said, did this start all the sudden or is this a cart you bought this way? |
05-17-2022, 07:34 PM | #9 |
Photoshop Guy
Join Date: Aug 2012
Location: Canal Fulton, OH
Posts: 3,845
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Re: KF92 engine will not get up to speed
Fig.7-14: Just pop the governor rod (3) off at the throttle plate lever (4) just as a test and see if it gets up and goes. If it does then your governor is out of adjustment.
Here's the factory adjustment instructions: |
05-19-2022, 02:08 PM | #10 |
Not Yet Wild
Join Date: Feb 2022
Location: Fox Lake, WI
Posts: 56
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Re: KF92 engine will not get up to speed
Any luck getting this cart fixed yet??
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