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Post by Deleted on Sept 23, 2013 3:48:06 GMT -5
If the stock size is 18mm and an advertised replacement for a 50cc scooter is 20mm how will that effect things if you use the same size jets that were working well from the stock 18mm carb?
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Sophomore Rider
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Post by gatekeeper on Sept 23, 2013 4:40:12 GMT -5
Larger size carb will increase air flow. Using the same size jets will cause it to run lean. Use an 18mm as a replacement unless you are going to up the displacement to a large degree. IMHO
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Post by Deleted on Sept 23, 2013 4:43:53 GMT -5
Ahh wondered why the 20mm came with an  main where the stock had 79 |
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main where the stock had 79