tri-z topend help

[kokmatt]

currently rebuilding a tri-z. I took the top end off and found that it is bored 1.25mm over stock. but everything else was still stock such as jettin reeds etc. will i need to rejet or do anything different for this much bore? what plug should i run?
any help would be appreciated.
Matt

[Dirtcrasher]

Thats about .050 or fifty thousandths, read that FIFTY thousandths of an inch, or in reality - not all that much......

Unless the airfilter and or airbox lid were changed or removed and or an exhaust installed then stock jetting would work fine or dam close to fine. But, if you let more air in or exhaust out or added a larger carb, then jetting it up a bit would be necessary.

[kokmatt]

thanks for the info.