Synthetic or Mineral Oil??

[ozzydog]

I am currently running Ski Doo Mineral Oil in my 503F. The Ski Doo shop here reccomends this oil for the older Ski Doo engines. Has anyone out there tried Synthetic in their 503F. If so did she burn cleaner?? Any recommendations here??

 

[Hawkdoggen]

Yamalube semi synthetic has been great , Ive run it in all my race bikes and quads , jetskiis and sleds . Clean power valves , virtually no build up of any kind and ive never lost any motor due to oil related issues and this has been over a twenty year span and ive had some of these toys almost as long so i know it works !

 

[snowhawk jockey]

WHO'S MIXING GAS IN MY OIL!!!

Castor 927 from Maxima has heat disappating qualities that are helpful for our fan cooled motors. It smells beany too. The liquids prefer a fully synthetic.

 

[RudeAwakening]

i think leaded AV gas will keep ya cooler too!