Alter

[pwuser151723931547]

Yar 70 china bike ko alter k liy konsa piston best ha speed k liy or garai b ????

[Hassan1991]

There's already too many threads on this topic. Search them.

[pwuser151723931547]

Yar us topic ma kuch itna ni ha behas hi kr rhy ha sb us me . Ap bta do kuch 110 tk jy bike

[Hassan1991]

Nae jae ge....mushkil sa 100 isa uper nae.
Check out this thread

70 alter - Quest For Top Speed

bahi log aik gear dalta hy 70cc bike main jis ko alter gear khty hain wo kahin sy mily ga aur kitne ka mily ga aur bahi log jab bike bahot zeyada vibration karte hoto iska koi hal hy keya

[pwuser151723931547]

Ok

[pwuser151723931547]

Yar wo qingqi k piston ka dia 50mm hota ha r wo gn 5 k nam se ha to united ka piston konsa ha uska dia kitna ha ?

[ahmed_11]

GO For GN50 piston + 125’s carburetor. It will be fast enough.

[pwuser151723931547]

Max speed in this seeting ??

[ahmed_11]

Hits full meter 120 easily. May be difference of 5-8 km/h because bike meter doesn’t show actual speed. GPS speedometer shows actual speed but not tried by me.
P.S I smoked a stock CG 125euro on canal rd lahore with 0 size piston + 125’s carburetor setting on my road price 70 2014 model. Now went for 50size GN5 piston for more speed.

[ahmed_11]

Sorry brother I don’t know this much, basically the bike was altered under supervision of my close friend. I will ask him and then let you know.
Moreover, the mechanic also suggested to try STD 110 size piston + Sazgar (rikshaw) carburetor but that only for serious race purpose.

[Hassan1991]

I highly doubt about speed.
Do you have any gps proof?
125 carb makes the mixture rich.

[ahmed_11]

Haven’t tried GPS but yes I know the fact that bike meter doesn’t show 100% accurate speed. But the needle went to 120 ofcourse with single person