Koso 170cc bbk

Finished my Koso 170cc Big Bore, 32mm Throttle body + 4v head kit and I'm still breaking it in but this is a quick pit stop into the breaking in process.
Update May, 2019 now have 4200 Miles with all supporting mods (oil cooler installed to upper mount, kitaco clutch cover, Barnett clutch rings, 30% stiffer clutch springs, billet spring plate, kitaco re-enforenced cam chain tensioner with upgraded button, super oil pump, take 4th bearing mod, vented cam cover, Dinger mid length intake, Leo Vince 4v exhaust)
Feel free to watch other vid about my grom adventures c: