640_Brake Fluid DOT 5.1 or DOT 4?

[Three_of_Seven]

Guys, the manual specification states to use DOT 4 brake fluid. The motorbike supplier through which I bought all of my fluids, said I need to use the DOT 5.1 brake fluid?! Who’s correct here?!

www.Flipping-confused.com

 

[Vilaishima]

 

[Welsh]

 

[Dirt Junkie]

 

[Three_of_Seven]

 

[GeenSand]