Im planing to buy a gilera runner or yamaha aerox valentino rossi version both new 50cc 2009 so i just want to know wich of them is better and faster?
i’m not shure wich one is faster right off the lot but I heard the gileras get bore kits up to 172cc if you want to build it up later down the road as were the yamaha the biggest one bore I ever installed was a 92cc and there was a lot of shaving down the crank case to get it in there that I had to do. so do some research on that if speed is what your after. also research what is the biggest crank you can get in the gilera without shaving. I think the yamaha is 48mm. but changing the crank will also add another 10-20mph.
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i’m not shure wich one is faster right off the lot but I heard the gileras get bore kits up to 172cc if you want to build it up later down the road as were the yamaha the biggest one bore I ever installed was a 92cc and there was a lot of shaving down the crank case to get it in there that I had to do. so do some research on that if speed is what your after. also research what is the biggest crank you can get in the gilera without shaving. I think the yamaha is 48mm. but changing the crank will also add another 10-20mph.
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