Read on what Rotax has to say:
SI-914-003 Checking And Lubrication Of The Wastegate 6/1999 167
Under certain conditions, when operating using leaded fuels (AVGAS), lead
deposits may form on the turbo wastegate pivot shaft. These lead deposits
may cause the wastegate to stick and prevent proper turbocharger
operation.
Go here:
http://www.rotax-owner.com/sdocs.htm
Click "By Engine Model"
Select 914UL
Search
Look under service instructions and read SI-914-003
In essence it says to use a penetrant, but if that does not work, to open
up turbo and go after the shaft from the inside. good luck not breaking
any hardware.
All would be well advised to read and print "ALL" Alert Service Bulletins,
Service Bulletins, Service Instructions and Service Letters that apply to
you and your engine.
Then update and make notes in your manuals as you comply.
Of course you have all manuals??
If not go to:
http://www.kodiakbs.com/
Click Tech Info
Click Maintenance Manual
You also want a install manual and
http://www.rotax-aircraft-engines.com/aircraft/aircraft.nsf/index?Openpage
Click Documentation
Get a Install Manual and Operators Manual
Monitoring Program
Parts Catalogue
Ron Parigoris
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