i tried cap ayam brand b4... no gurantee on their quality, branded one although pricey, but can feel the difference, make sure you found the right person/shop which honour their product will do...happy modding!!!
sifu-sifus out there,
i'm using a GSR engine on my wira,i've been using it for more than half a yr dee,b4 this it was all ok
till recently,i find tht the engine starts to jerk when i tekan on the accelerator,if...