Today's Message Index:
----------------------
1. 02:35 AM - Re: Re: 912 rough running below 3000 rpm (Peter Jeffers)
2. 03:59 AM - Re: Re: 912 rough running below 3000 (stephan cassel)
3. 11:51 AM - Re: Re: 912 rough running below 3000 rpm (Brian Davies)
Message 1
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| Subject: | Re: 912 rough running below 3000 rpm |
Hi Roger,
I have now had the chance to read up on some old documents that I have and
can now confirm that the setup dimensions for the floats on the 912l and
912s engines are both the same ie 10.5 mm but the 914 is quite different.
Pete
ps I cannot quite relate the dimensions on the Rotax setup tool to the
dimension you quote because it is measuring in a different place, so can't
quote the equivalent figure for the 914. Perhaps you have that figure to
pass on to the Forum.
-----Original Message-----
From: owner-rotaxengines-list-server@matronics.com
[mailto:owner-rotaxengines-list-server@matronics.com] On Behalf Of Roger Lee
Sent: 04 June 2015 01:32
Subject: RotaxEngines-List: Re: 912 rough running below 3000 rpm
The 912UL and ULS are the same measurements. They are the same carbs just
different jetting.
When the carbs come off you must flush through every orifice and jet in the
bowl and carb body and leave no stone unturned. It only takes a very tiny
piece of debris to cause this rough running. Your symptoms do sound like you
move a piece of debris, but after it runs it moves again.
I absolutely know you don't want to hear this, but I think you missed
something on the cleaning. Every little hole and crevice needs to be flushed
then blown out with air. Blow the air in more than one direction where
possible. I have seen a few owners have difficulty here because they left
one stone unturned.
Thanks for the vote of confidence, but no "Oracle" here just an owner like
everyone else and happy to pass on what I learn in all the Rotax schools and
what I have been able to see over the years. matter of fact I just spent all
last week back at Rotax for another school.
--------
Roger Lee
Tucson, Az.
Rotax Instructor & Rotax IRC
Light Sport Repairman
Home 520-574-1080 TRY HOME FIRST
Cell 520-349-7056
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=442958#442958
-----
No virus found in this message.
Checked by AVG - www.avg.com
Message 2
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| Subject: | Re: 912 rough running below 3000 |
Hi Pete,
Hope everything is well.
You right. Just a small adjustment: the tool are the same but measurements
are different.
Heavy Maintenance 73-00-00 3.3.8 shows this in detail.
BTW LN-STE now 600 hours. Greece this summer.
--
Mvh
Stephan
Message 3
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| Subject: | Re: 912 rough running below 3000 rpm |
Pete,
Page 30 in chapter 73-00-00 Heavy Maint Manual has the details. I will try
to attach to this message.
Brian Davies
-----Original Message-----
From: owner-rotaxengines-list-server@matronics.com
[mailto:owner-rotaxengines-list-server@matronics.com] On Behalf Of Peter
Jeffers
Sent: 04 June 2015 10:35
Subject: RE: RotaxEngines-List: Re: 912 rough running below 3000 rpm
--> <pjeffers@talktalk.net>
Hi Roger,
I have now had the chance to read up on some old documents that I have and
can now confirm that the setup dimensions for the floats on the 912l and
912s engines are both the same ie 10.5 mm but the 914 is quite different.
Pete
ps I cannot quite relate the dimensions on the Rotax setup tool to the
dimension you quote because it is measuring in a different place, so can't
quote the equivalent figure for the 914. Perhaps you have that figure to
pass on to the Forum.
-----Original Message-----
From: owner-rotaxengines-list-server@matronics.com
[mailto:owner-rotaxengines-list-server@matronics.com] On Behalf Of Roger Lee
Sent: 04 June 2015 01:32
Subject: RotaxEngines-List: Re: 912 rough running below 3000 rpm
--> <ssadiver1@yahoo.com>
The 912UL and ULS are the same measurements. They are the same carbs just
different jetting.
When the carbs come off you must flush through every orifice and jet in the
bowl and carb body and leave no stone unturned. It only takes a very tiny
piece of debris to cause this rough running. Your symptoms do sound like you
move a piece of debris, but after it runs it moves again.
I absolutely know you don't want to hear this, but I think you missed
something on the cleaning. Every little hole and crevice needs to be flushed
then blown out with air. Blow the air in more than one direction where
possible. I have seen a few owners have difficulty here because they left
one stone unturned.
Thanks for the vote of confidence, but no "Oracle" here just an owner like
everyone else and happy to pass on what I learn in all the Rotax schools and
what I have been able to see over the years. matter of fact I just spent all
last week back at Rotax for another school.
--------
Roger Lee
Tucson, Az.
Rotax Instructor & Rotax IRC
Light Sport Repairman
Home 520-574-1080 TRY HOME FIRST
Cell 520-349-7056
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=442958#442958
-----
No virus found in this message.
Checked by AVG - www.avg.com
-----
No virus found in this message.
Checked by AVG - www.avg.com
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