I got a new toy recently!

i bought this Mini Chopper from craigslist the other day for a hundred bucks. when i got it it had no breaks needed a carb rebuild, didn't shift, and various other little things. anyways it shifts now and i cleaned the carb out decently but it still runs a little funny. anyways im planning on restoring it and modding it with a bigger engine.

as far as i know these are the specs.

49cc (thats what itt feels like anyways tops out around 40-45mph)
4 speed semi auto transmission ( 4 down, does great in first 3 gear but seems like 4th is a bit to long.)
head light only
front and rear hydraulic disc brakes
front suspension and mono shock suspension rear
electric and kick start
horn & key ignition
12v battery, i think it charges off the stator and igniter but not sure since it doesnt hold a charge


problem is i cant track down a make and model for it.
say Terminator on the crank case and there are numbers on the engine that say hs1939fmb, 05041926
i tried google all such info and cant find any info on this bike. i did find parts that seem to fit this bike but i would like to know for sure before i buy anu thing for it.

can anyone help??

PS will post pics soon!

if it was a 110cc i think it would go a little faster then 40. and when i put it in 4th the motor bogs cuz not enough trque to drive it. Ive heen on a littl honda 80cc dirt bike that could do 60 easily. and yeah i looked at the lifans, they are pretty nice.