[ewalr1]

Has anyone ordered a big bore kit for their grom yet. I'm wanting to get one and wanna know how much it improved the power on this thing.

 

[animo819]

stock cylinder jug can go 4 different size pistons .25, .50 ,.75, and 1.00 over.


Well, If i were you, it is better to wait, for more goodies bore kits. crank, cam, injector, exhaust pipes, bigger valves, dual valve springs and more..

some bore kits will have some fuel issue and exhaust , will need control box control injectors.


all bore kits and aftermartket exhaust willl have trail and error. it is not bolt on and go wide open throttle..

all aftermarket inlet pipe has differ sizes wont work or not.. ( dont throw the money for nothing)

im auto mechanic, I know how things work and some dont work..

As Now parts on the grom are being testing on research and developings, before they release in the market ans exports.

 

[ewalr1]

I think yuminashi has got something that looks pretty impressive

 

[MSX125]

maybe, but quality wise.. idk.. If i was you I'd wait for Takegawa to come up with some nice kits!

 

[Strokd_GE]

stock cylinder jug can go 4 different size pistons .25, .50 ,.75, and 1.00 over

OEM pistons can be purchased up to +1mm but the cylinder jug can be bored to a 180cc maximum displacement which I think is 63mm on this engine, the standard walls are very think and can easily accept a larger piston

 

[animo819]

yuminashi , I just pass on... because of thai baht currency... bore kit, cam head kits possible made in thailand.. Im not going waste time..