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Author Message
  Topic: 912 ULS sudden rough running on mag check
vernon11

Replies: 2
Views: 981

PostForum: RotaxEngines-List   Posted: Tue Jul 31, 2018 11:59 pm   Subject: 912 ULS sudden rough running on mag check
Thanks Dave.
 


From: FoesFlyDennis (Sent: Tuesday, July 31, 2018 6:58 PM
To: rotaxengines-list@matronics.com (Subject: Re: 912 ULS sudden rough running on mag check ...
  Topic: Rough running 912 UL
vernon11

Replies: 26
Views: 10057

PostForum: RotaxEngines-List   Posted: Sun Sep 11, 2016 2:39 am   Subject: Rough running 912 UL
Fantastic you found the problem Hugh. When I do work like that, I always take a picture. It has helped many times.
Regards,
Vernon.


From: Hugh McKay (Sent: Saturday, September 10, 2016 1 ...
  Topic: Rough running 912 UL
vernon11

Replies: 26
Views: 10057

PostForum: RotaxEngines-List   Posted: Thu Sep 08, 2016 7:03 am   Subject: Rough running 912 UL
Hugh.
With all that you have done, I am sure the last resort is the balance. With the miss on higher revs, that does cancel the idle jets.
Good luck, and keep us posted.
Regards,
Vernon.
...
  Topic: Rough running 912 UL
vernon11

Replies: 26
Views: 10057

PostForum: RotaxEngines-List   Posted: Mon Sep 05, 2016 2:43 am   Subject: Rough running 912 UL
Hugh.
  As I said, I also had a big problem with the idle jets. On this occasion, although the jets looked clean after blowing through, there was what appeared to be a piece of fluff wh ...
  Topic: Rough running 912 UL
vernon11

Replies: 26
Views: 10057

PostForum: RotaxEngines-List   Posted: Sun Sep 04, 2016 1:59 am   Subject: Rough running 912 UL
Have you had the carbs balanced? That is a sure sign. Also check the Idle jets. We had a lot of problems on a ULS with the idle jets.
Good luck,
Vernon.


From: Hugh McKay (Sent: Sunday, ...
  Topic: 912 rough running below 3000 rpm
vernon11

Replies: 36
Views: 13212

PostForum: RotaxEngines-List   Posted: Wed Jun 03, 2015 11:12 am   Subject: 912 rough running below 3000 rpm
Yes Pete,
I will be looking forward to Rogers reply as well. Small things
like that, can make a big difference.
Vernon

--------------------------------------------------
From: " ...
  Topic: 912 rough running below 3000 rpm
vernon11

Replies: 36
Views: 13212

PostForum: RotaxEngines-List   Posted: Wed Jun 03, 2015 9:22 am   Subject: 912 rough running below 3000 rpm
Pete,
If that is the case, I would be very interested.
Vernon.

--------------------------------------------------
From: "Peter Jeffers" <pjeffers@talktalk.net>
Sent: Wedne ...
  Topic: 912 rough running below 3000 rpm912 rough running below 3
vernon11

Replies: 3
Views: 1432

PostForum: RotaxEngines-List   Posted: Sun May 24, 2015 7:13 am   Subject: 912 rough running below 3000 rpm912 rough running below 3
Although it did not show up during the balancing, it is worthwhile looking at it again.
Vernon


From: Catz631@aol.com (Sent: Sunday, May 24, 2015 2:00 PM
To: rotaxengines-list@matronics.c ...
  Topic: 912 rough running below 3000 rpm
vernon11

Replies: 36
Views: 13212

PostForum: RotaxEngines-List   Posted: Sun May 24, 2015 12:19 am   Subject: 912 rough running below 3000 rpm
Yes I did. We are now going to strip everything, to see if possibly there is
a bit of junk floating around somewhere.

--------------------------------------------------
From: "rampil" ...
  Topic: SB-912-065/914-046
vernon11

Replies: 8
Views: 5092

PostForum: RotaxEngines-List   Posted: Wed Nov 26, 2014 5:12 am   Subject: SB-912-065/914-046
Shocking, that it is taking so long to sort out. Will Rotax replace them free of charge?
Vernon


From: Richard Girard (Sent: Wednesday, November 26, 2014 4:31 AM
To: rotaxengines-list@mat ...
  Topic: rough running at 3400 RPM and above
vernon11

Replies: 32
Views: 16392

PostForum: RotaxEngines-List   Posted: Wed Aug 20, 2014 5:03 am   Subject: rough running at 3400 RPM and above
Kyle.
I might have missed something, but have you had the carbs balanced. I
had all sorts of drama, until the carbs were balanced.
Good luck.
Vernon.
South Africa.

-------------------- ...
  Topic: Restart the engine after a flight
vernon11

Replies: 7
Views: 1973

PostForum: RotaxEngines-List   Posted: Mon Dec 09, 2013 9:06 am   Subject: Restart the engine after a flight
I had the same problem. Balanced the carbs, and all was well.
Vernon.


From: Pete Christensen (Sent: Monday, December 09, 2013 6:20 PM
To: rotaxengines-list@matronics.com (Subject: Re: Re ...
  Topic: 912 ULS oil leak
vernon11

Replies: 6
Views: 6134

PostForum: RotaxEngines-List   Posted: Fri Mar 11, 2011 3:47 am   Subject: 912 ULS oil leak
Yes We have the same problem on our 912Ul upgraded to 95 HP I originally
thaught it was the head gasket. I would be very interested to find out how
to sort the problem
Vernon.
South Africa
---
  Topic: Prop Strike crank damage
vernon11

Replies: 9
Views: 7910

PostForum: RotaxEngines-List   Posted: Mon Nov 01, 2010 5:52 am   Subject: Prop Strike crank damage
If There was any movement on the crank segments, how long would it take to show up on performance, or would it be noticable imediatly?
Vernon.

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