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oil for thundercat eng ??

Always a good idea

Same as modern 600s Jeff.

yes but witch is modern oil temp 30c to38c in france is it 10 60 f/s or s/s thak you jeff

Just run what it was designed to run. If the manual says 10 60 for that temp range then run that! No gain from running fully synthetic.

thanks Tom will do Jeff

We always ran Motul 300V. fully synthetic 15/50 . If your not doing the TT and change the oil every second weekend a good 15/50 semi synthetic will be ok.

thanks for the info will do Jeff

We run semi synthetic. Forget who, but in our line of work (trail riding), we have quite a few customers from engineering, motorsport, etc, and someone told us that modern fully synthetics are too slippery. Problems are arising, such as clutch slip and something else I can't remember!

thanks marie mis raceing at tonfa all the best for 2016 jeff no 25