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Tom Jones
Joined: 12 Mar 2006
Posts: 752
Location: Ellensburg, WA
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 Posted: Thu Feb 18, 2010 2:16 pm Post subject: 503 Oil Injection update |
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I finished the retro fit of an oil injection for my Kitfox a while back and finally we have good weather to test it out. Yesterday I went up and burned three gallons of gas mixed 100:1 to make sure it was working. Today burned my first tank of straight gas. It appears to be using about 60 or 70:1. maybe it's just me but the little 503 seems to run smoother with the injection. I'm happy not to be premixing fuel any more!
Attached are some pictures from the test flight. I had another mission to check out a route to take snowmobiling tomorrow.
| | - The Matronics Kitfox-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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_________________
Tom Jones
Classic IV
503 Rotax, 72 inch Two blade Warp
Ellensburg, WA |
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dave
Joined: 22 Sep 2006
Posts: 1382
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| Posted: Thu Feb 18, 2010 7:03 pm Post subject: Re: 503 Oil Injection update |
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Tom, great report .
I get same 65 to 1 on average with injection.
pre mix you run 50 to 1 all the time -- no wonder pushers complain about residue on their tails lol
| | - The Matronics Kitfox-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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Tom Jones
Joined: 12 Mar 2006
Posts: 752
Location: Ellensburg, WA
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| Posted: Fri Feb 19, 2010 6:40 am Post subject: Re: 503 Oil Injection update |
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FWIW, the oil injection system parts are very expensive. About $800 if you buy all new stuff. The pump is $285 new. I found a pump taken off a new engine for half price from a guy that didn't trust oil injection. The tank with low oil warning capability, cap, lines, and filter are off a 99 Ski Doo Skandic from ebay for $20. New from rotax is about $200. The manifolds are "recycled" from CPS for half price.
After I started collecting parts it became evident there are quite a few Rotax oil injection parts sitting on shelves owned by people that don't trust the system or for some reason think it is too heavy and robs power.
| | - The Matronics Kitfox-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?Kitfox-List |
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_________________
Tom Jones
Classic IV
503 Rotax, 72 inch Two blade Warp
Ellensburg, WA |
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