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ktnc420
Joined: 31 Jan 2011
Posts: 7
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 Posted: Fri Sep 14, 2012 4:22 pm Post subject: 582 cutting out at WOT |
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My 582 gray runs normal up to about 5700 rpms. When I try to go to full throttle, it starts cutting out.
I've replaced all fuel lines and filters and rebuilt the fuel pump. The problem occurs with the elec. pump on too.
The carb floats seem to working properly and needles look good.
Any ideas on what to check next?
This started happening after somewhat of a hard pull-up to 70 degs. or so, then leveling off.
The motor is in pusher config. in a Kolb Mark III.
I'm stumped. SOS
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cristalclear13
Joined: 19 Sep 2007
Posts: 363
Location: Southeast Georgia
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| Posted: Tue Sep 18, 2012 11:47 am Post subject: Re: 582 cutting out at WOT |
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| ktnc420 wrote: | My 582 gray runs normal up to about 5700 rpms. When I try to go to full throttle, it starts cutting out.
I've replaced all fuel lines and filters and rebuilt the fuel pump. The problem occurs with the elec. pump on too.
The carb floats seem to working properly and needles look good.
Any ideas on what to check next?
This started happening after somewhat of a hard pull-up to 70 degs. or so, then leveling off.
The motor is in pusher config. in a Kolb Mark III.
I'm stumped. SOS |
Ktnc420, How do your spark plugs look?
| | - The Matronics RotaxEngines-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
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_________________
Cristal Waters
Kolb Mark II Twinstar Rotax 503 DCSI Sept 2007 - sold Sept 2012
Private Pilot Aug 2008
ELSA Repairman for N193Y April 2008
Rotax 2 stroke maintenance April 2009 |
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ktnc420
Joined: 31 Jan 2011
Posts: 7
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| Posted: Wed Sep 19, 2012 3:48 am Post subject: Re: 582 cutting out at WOT |
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Hi Cristal
The plugs looked good but I replaced them anyway. Compression is also good in both cylinders.
You sold your Kolb?!
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cristalclear13
Joined: 19 Sep 2007
Posts: 363
Location: Southeast Georgia
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| Posted: Wed Sep 19, 2012 7:36 am Post subject: Re: 582 cutting out at WOT |
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| ktnc420 wrote: | Hi Cristal
The plugs looked good but I replaced them anyway. Compression is also good in both cylinders.
You sold your Kolb?! |
Yes, it was a sad day, but I didn't have the money or time right now to put into her. She got a new owner who was happy to start sprucing her up. My next Kolb will probably be a Mark III.
A couple other things to check on your engine is the choke piston (one time I had a deteriorated seal that was giving me problems) and you could also check the needle clip in your carb and the o-ring.
http://www.ultralightnews.ca/bing/needleclipupdate.htm
http://www.ultralightnews.ca/bing/bingcarbdisassemblytip.html
| | - The Matronics RotaxEngines-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?RotaxEngines-List |
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_________________
Cristal Waters
Kolb Mark II Twinstar Rotax 503 DCSI Sept 2007 - sold Sept 2012
Private Pilot Aug 2008
ELSA Repairman for N193Y April 2008
Rotax 2 stroke maintenance April 2009 |
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cristalclear13
Joined: 19 Sep 2007
Posts: 363
Location: Southeast Georgia
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| Posted: Wed Oct 03, 2012 12:37 pm Post subject: Re: 582 cutting out at WOT |
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| ktnc420 wrote: | My 582 gray runs normal up to about 5700 rpms. When I try to go to full throttle, it starts cutting out.
I've replaced all fuel lines and filters and rebuilt the fuel pump. The problem occurs with the elec. pump on too.
The carb floats seem to working properly and needles look good.
Any ideas on what to check next?
This started happening after somewhat of a hard pull-up to 70 degs. or so, then leveling off.
The motor is in pusher config. in a Kolb Mark III.
I'm stumped. SOS |
ktnc420, Did you ever find your problem? I found my repair book which takes you through several things to check. I will type them up here if you still need help.
| | - The Matronics RotaxEngines-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?RotaxEngines-List |
|
_________________
Cristal Waters
Kolb Mark II Twinstar Rotax 503 DCSI Sept 2007 - sold Sept 2012
Private Pilot Aug 2008
ELSA Repairman for N193Y April 2008
Rotax 2 stroke maintenance April 2009 |
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ktnc420
Joined: 31 Jan 2011
Posts: 7
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| Posted: Thu Oct 04, 2012 5:04 am Post subject: Re: 582 cutting out at WOT |
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The problem went away after cleaning the carbs. I did see some small orange colored goo balls in the bowls after removing the floats. That must have been it.
Thanks!
| | - The Matronics RotaxEngines-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?RotaxEngines-List |
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