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The original builder of my titan tornado did not include a fuel manifold
with fuel return line. Rotax does not like this so I've been planning
to add one along the lines of the figure in section ...

Keep in mind that capacitors have a limited lifetime. The electrolites
dry out. It is a real limit at high altitudes and dry climates.

I get mine from digikey and go for the name brands.

Y ...

I had a problem like this and finally solved it with a resistor, 1kohm I
think, in line with the probe. It is the same fix they recommend for
the tach.

I have the new cylinder heads on my 91 ...

Right. A few weak revolutions at best. Often no revolutions at all.

On 10/10/2017 8:03 PM, RotaxEngines-List Digest Server wrote:

I h ...

I had a similar-sounding problem with my Rotax 912ULS. It turned out to
be the sprag clutch. When the problem began, the engine started better
when warm but would not start when cold. When I f ...

David, the "Aircraft Exhaust" folks I used have the aircraftexhaust.net
web site and were located in Dayton, MN when they ripped me off. I'd
assume you were dealing with the same folks ...

Avoid Aircraft Exhaust in MN and now in FL. Rich Lopez and "Matt" took
my $1695 in 2012 for what they advertised on their web site as a quieter
exhaust for a Rotax 912. They never deli ...

I've replaces all the coolant and oil hoses with the "blue" silicone
from various autoparts catalogs. No problems. You can get
pre-fabricated bends as needed. Makes for a nice clean i ...

I replace the original exhaust system on my Titan Tornado. The old one
for sale is a 4-cylinder into one can. This was from a top-mounted
pusher engine configuration. Email me if you are intere ...

All, I had exactly the same symptoms years ago. I cleaned the carb
ports and it went away. On both carbs the main port and the idle port
looked PERFECTLY CLEAN when I took the carbs off but none ...

I converted my older 912 USL to the soft-start start modules. These
have 690 hours on them and worked fine when I removed them. Rotax part
number 966 721. Lockwood sells these new for more than ...

I'm pretty sure it has less than 690 hours and it is in good working
condition. If anyone is interested.

There is a guy selling a military spec 914 fuel injected engine on
Barnstormers. I think it is off a predator drone.

One modification I can see is the turbo is top-mounted.

Does anyone have a ...

Folks,

One more data point on the trouble starting: It is not the battery
current. I've connected a truck battery in parallel with the plane's
battery (so the ignition is switching more amps) ...

Folks,

I've gradually had trouble starting a ULS with the 912 Rotax high torque
starter. First it did not like starting when it was cold. Then the
sprag seemed to come disengaged without turni ...

Starting my 912 has been increasingly difficult. it seems as if the starter has a hard time turning over the engine (it is a high-torque version). I thought it was a weak battery but the problem per ...

Folks, I've followed the fuel return line thread and I can see that the
912 ULS installation manual calls for a fuel manifold with a return line
to the tank. My 912 ULS on my Titan Tornado does n ...

Every time my neighbor's Remos silently taxis by my hangar I feel the urge for a muffler for my Titan Tornado's 912. It is a pusher configuration and the muffler should be a top mount. No luck findin ...