Thread: Big Bore kit smoking
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Old 05-15-2020, 05:03 PM   #5
tortoise   tortoise is offline
 
Join Date: Jan 2008
Posts: 221
Quote:
Originally Posted by krat View Post
installed an 80cc big bore kit on my Tao-Tao 50cc gy6 . . Did I do something wrong
Don't know what we don't know? Carb pilot and main jet sizes? If NOT changed, lean air-fuel ratio high running temps could have cracked the piston?

Always perplexing WHY the BBK aggravation is acceptable . . as compared to selecting a 150cc scooter and leaving it stock? Unless this is "liquor cycle" situation, or lack of initiative to get a motorcycle license, very little scooter cost difference.

Example . . Icebear Vision 50cc $620 . . 150cc $640.


 
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