Carburator jet sizes for 81

[Steve Whitton]

The PO replaced the jets with a made in china kit and I want to rebuild with mikuni jets. I'm confused on the jet sizes as I have found conflicting information on different sites. Babbitts parts list says main jet is 160, 135 on another site and 142.5 in the Haynes manual. Need some help please with all the jet sizes I should replace. Thanks

 

[xschris]

Stock 81 bikes have 135 main, 42.5 pilot and 155 (mouth of the carb) air jets. Always use real mikuni jets.

 

[Steve Whitton]

Thanks

 

[xschris]

I would also check and make sure you have the correct slide needles.

 

[spectra]

jets r us is the place to go........... great fast shipping to........

 

[Steve Whitton]

Thanks, on JetsRUs, there are two types of pilot jets, one without holes and the other with holes in the side of the jet. Which one is correct. Thanks.

 

[xschris]

You want the ones with the holes. Also called bleed type.