omc ujoint bellows has blue and yellow marks up or down ?

[rusty bolts]

Thanks in advance ,there are 2 marks on the omc original u joint bellows that I bought, one blue and the other yellow ,does this signify top and bottom if so which end is up thanks ,rusty

 

[rodbolt]

Re: omc ujoint bellows has blue and yellow marks up or down ?

it should be marked UP<br /> if not count the ridges. one side should have 6 and one 7. the side with 7 goes down.

 

[rusty bolts]

Re: omc ujoint bellows has blue and yellow marks up or down ?

thanks ,but there no up on them only the dots ,the last rib is wider then the ones on the other side would that count as a rib? i have to get it right Thanks