big bore questions

[gclax1336]

i have a z400 and im growing out of it and im gettign beat by ltrs which om sick of... i realy would liek to bore it to a 440 and sugestions on brand and what else i shoudl do to make sure it runs right. thanks

[making]

Sounds like your ready for an ATHENA 440 big bore kit!!

[gclax1336]

aight the kit im lookign at is a 440cc bor with a 12:5:1 compression ratio, it is not bolt on deos any body know how much it probaly would be for labor if i sent it in to a shop...?

[gclax1336]

well im readin other forums and some people are saying 416 kits are better... aight guys i realy want to beat some 450 what is the best bore size... to be able to beat them with out goign over a 440

[Sandgod4]

You're going to need more then just a 440 kit.. You will need a carb, cams, dyna ignition, and porting if you really want it to run like a raped ape..