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Might suggest going to the "Bush gear"
The gear spread increases by about 2 ft giving you more stability

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Jimmy
When i bought my Kitfox 4 the previous owner had a heat sink with aluminum fins wrapped around the oil tank. It made the oil too cool so I took it off. You might try to locate one. It was insta ...

Dave,
Â I was going to guess an internal broken wire before I got to end of your post as this has happened to me twice and is a common issue in these engines.
Dick MadduxÂ
Â
In a message dated 7 ...

Paul,
I too have been doing oil analysis every 50 hrs. I have 450 hrs on my engine. I have roughly 6-7 reports and the values go up and down so don't put too much in one report. I will tell you th ...

I'm checking in too. I have a Fox 4 912UL with a 4 stroke engine and a car with a 2 stroke (63 SAAB 96).
Just changed the hoses out in the 912.....not fun !
Di ...

Dashwoodlock,
I too had a similar problem. I pulled up to the airport ,people came out to look at my plane and the engine wouldn't shut down with the"mag" switch so I waved taxied out , ...

Hugh,
John does bring up a point with the needle settings in the carb. The last 2 years my mag checks in the winter have not been good on the ground. I would have a drop of about 300 rpm on each ...

Hugh,
I had the same type of problem a couple of years ago. I went thru all the checks as you have. Actually I have had that problem a few times. One time it was a broken internal wire coming fro ...

Gordon
I have a Kitfox and my problem is that the oil temp is too cool. When I first bought the aircraft the prior owner had a large soft aluminum sheet with fins (about 3/8 inch fins) wrapped ar ...

Jared
You absolutely do not want to "jury rig " an oil tank for your 912. You are asking for engine failure. The tank is designed for that engine and it has an internal foam screen,proper ...

Jareds
I bought a plug and play harness from a man in England that adapts the new modules to the old 80 hp engine( as I also have). I saw that this could be a problem should the older modules fail a ...

Jim
In my case I replaced the wires with Rotax 2 stroke wires from Spruce. I could not find any info that said the 2 stroke wires could not be used. They are much cheaper than the 4 stroke wires. ...

Guy,
You can increase the prop pitch about a degree I believe to get the proper 5200 rpm. I get about 5300 WOT on my take off roll (close enough) I have a Kiev but used to have a Warp taper tip. ...

Guy,
I just attended a 912 course (my 4th) and the instructor (number 2 at the Rotax Flying Club) said that Sport 4 is not necessarily the best oil to use. He stated that Rotax has some interest in ...

Flynn,
I had that problem once and finally narrowed it down to the carb operating cables. One would stick during throttle reduction causing an imbalance. I replaced the cables and problem solved. I ...

Or you could go with the "bush gear" as I have on my aircraft. Gear spread goes from 4 ft to 7 ft and you achieve greater stability on the ground as well as in the air on final (outrigger ef ...

I agree with Brian, That was the cause on my bird. I disconnected the leads,cleaned them and sprayed with "contact cleaner"...did the job
...

I have an older engine that uses the 965-358 modules and have been dealing with ignition problems over the years that has mainly been broken wire related.
If and when I have to replace a module I ...

BJ,
Years ago I too went through the just aircraft factory and looked at the Highlander. I have a mountain cabin just North of there. I really enjoyed touring the factory and the "airstrip&q ...

Smacking it with a brass drift and a hammer is the method that was taught to me in Rotax school. It works well and pops it loose so you can turn it with an allen.I have done it many times that way. ...