Hi John,John.com wrote: What is the recommended time interval for the replacement of coolant?
Rotax manual reccomends every 150 hrs or two years...whichever comes first.
coline wrote:What Oil? What Antifreeze? Whats Next? What air is the best to cool a 503?
Definitely not Gauteng air...Its corrosive!
Coline....from my experience if you ask 5 AP's the same question...you'll get 5 different answers...and they all say they are right!
Find an AP with lots of grey hair...(or no hair) and trust him...they all have their own preferences and methods...