Microlighters

Posted: **Thu Apr 08, 2010 7:44 am**

Hi All,

Sorry if this seems silly bu t can anyone advise me as to what would be the best gearbox oil to use on a Rotax 503 with a b-box?

Posted: **Thu Apr 08, 2010 11:06 am**

Gearoil, API-GL5 or GL6 SAE 140EP or 85W-140 EP

Posted: **Fri Apr 09, 2010 2:45 pm**

CASTROL SAF-XJ

Best Gearbox Oil