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Increasing TBO and concerns with 40 hours engine

  • rizzywizzy
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2 months 1 week ago #21775 by rizzywizzy
Hi all,

I am in the process of buying a Quicksilver GT500 that has was manufactured in 2006. It has a Rotax 912UL 80hp engine.

This aircraft has only 40 hours on engine and air frame. I am paying a pretty penny for it so I had a few questions

1) Being that the Rotax 912UL 80hp engine only 40 hours, what should be my concerns?

2) The Rotax 912 UL engine serial number is 4406320. Could anyone tell me what year it was manufactured. I think this engine TBO is 1500 hours. Could this be increased?

3) I am new to this, what would be the best source to find the Safety and Service advisory for this engine.

I have attached the pictures of my new bird and the engine.

Thanks so much,

Rizzy

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2 months 1 week ago #21784 by RobSeaton
Replied by RobSeaton on topic Increasing TBO and concerns with 40 hours engine
1) The outside looks very good, was it stored properly? In what air/temperature conditions?
If no corrosion is found on the cam it is likely OK, they store well as they have no steel in the cylinders.
If it has been sitting for a long time the carbs should be cleaned and new o-rings/gaskets installed.
2) 4406320 was manufactured April 2004.
3)It would not be feasible to upgrade to the 2000hr TBO as you would have to replace the crankcase.

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