Honda Spree and Elite 50 Forums

looking for a bbk for my af34 engine,
anyone have any comparative knowledge between
KN planning http://japan.webike.net/products/1959570.html
http://japan.webike.net/products/21345831.html
http://japan.webike.net/products/1959528.html
NBS http://japan.webike.net/products/20330717.html

auto boy http://japan.webike.net/products/2110906.html

all are 47 mm at various price points...
just wondering if anyone had any experience.

Go the first one I can recommend it.
You should upgrade your exhaust system and carb aswell

So did you get one?

did go with the first one and an expansion chamber exhaust, works quite well!

The bore kits are not Japan made. From taiwan.