trans fluid viscosity

Jason Luther /

would a less viscous ('thinner') trans fluid , like type f, cause the clutch to engage at lower rpms? i ask because i accidentally put type f in an engine that requires 20w. and the clutch engaged at very low rpms. you cant get 20w ND so i have been using 30w. now the clutch engages at really high rpms and acceleration is terrible. is the difference between 20w and 30w big eough to make a difference, or should i try to find another cause? all of this of course is hinging on whether or not 20w is lighter than 30w, which i dont know either. make any sense?-jason

Re: trans fluid viscosity

Since you already ran OK with both types, why not add (substitute) a few ounces of ATF with whats in there and see what happens.. The viscosity or slipperiness or whatever causes the bike to shift differently with some particular ratio of the two might be the ticket... customized oil viscosity.

Re: trans fluid viscosity

Jason Luther /

thats the answer i was looking for ;)

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