My cub cylinders dont have any less bottom end than a
set of oem cylinders. And even more so with the extra 4mm
of stroke. What makes it seem like the bottom end is so non existant is
the "light switch" powerband. It is a lot more abrupt and violent than with
your oem cylinder. The cubs are also a bit more tempermental than the
stockers but that is to be expected with anything that is custom and
aftermarket. with that being said, I think the cub cylinders are awesome.
You would definately need to do an upgrade on your clutch and
install a pingle valve as the cubs love to eat the fuel.