air filter size

hi,i have a 1994 zephyr 750,and i want to put kyn air filters.my carburators are keihin cvk 32mm.
the question is ¿what is the size of the air filter that i must to buy? thanks

I am a dealer for one of the largest motorcycle parts wholesalers and their catalog doesn't show a ZR750 (I think that is what a Zephyr is). Go out and measure the OUTSIDE diameter in millimeters of the intake venturi (the part that fits to the airbox). That is the size K&N filter you need plus you need to take into account how wide the engine is as some bikes can only use oval shaped pods rather than round because the cylinders and thus the carbs are too close together. There are few Zephyr owners on the board but maybe one will chime in.

thank you for your time,yes is a zephyr 750 and i have resolved the problem.i did buy a 52mm k&n filters.
keep in contact,salud