Guest Darren Masters Posted September 17, 2011 Posted September 17, 2011 How often are you all replacing these? I have a Rotax 447 and I am replacing the plugs after what I assume was 30 or so hrs. Probably don't need to as the plugs look ok but I don't know when the owner before did them. Michael Coates, you may know mate, what is the recommended replacement by Rotax?
Guest Michael Coates Posted October 25, 2011 Posted October 25, 2011 Agreed... 25 hours sounds good, especially if the engine is inverted.
Guest Darren Masters Posted October 25, 2011 Posted October 25, 2011 Not inverted but I have been advised 25hrs so that is what I shall do :)
David Isaac Posted October 25, 2011 Posted October 25, 2011 Not inverted .... Well that depends, we don't know how you fly way down there in kiwi land do we ... LOL
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