Newbie here with big bore kit questions


New Member
Hello everyone and thank you in advance to any replies! So I got a 50cc Motobravo scooter and i got a 100cc big bore kit upgrade off of ebay. My questions are; do I have to gage piston rings? And also how many guides am I supposed to have? The video on Youtube was using 6 but i only have 4. Lastly, do I need new rocker arms with the new kit? I assembled everything and there is no play to gage the valves.


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