[Badgator]

it's time to change the oil.i went and bought Delo 400 LE oil 20w 50 someone said this would be best to run in the suzuki 400....... i previously use castro 10w-40 so whats the best to use i know here in florida with the humidity it can get dayum HOT

 

[Badgator]

thanks my book said i could sub out with this oil so im doing so

 

[cliffyk]

I run Valvoline's 20W-50 4-stroke motorcycle oil, have for years here in Florida. Walmart has it at a reasonable price. It is one of the recommended weights for warmer climates, good from 14°F to 104°+:

from the K3 shop manual: