The big bore is worth it, but wait till you need to pull the cylinder first, it won't be long knowing these GY6 engines. Go with the A12 cam for low end grunt. The cam, IMO, is more bang for your buck. Be sure to mod the CVT to match the power curve with the cam change
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ASE Master and Toyota Master Diagnostic Certified
Buggy Building Trainee
'04 Dazon Raider 150 'modded'
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