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Carb size on 399cc 81mm bore esr cylinder 77 stroke

6.4K views 23 replies 11 participants last post by  diesel53  
44 has been gone awhile I ran the 48 hv for 2 years then I upgraded to my puma
 
Yes they are easy to tune period. Gas or alky.
 
On my 370 on gas I ran a 40.5 and I belive my main was a 165 or 168 I too went to a 44 lectron and then to a 48 lectron. What a diff on the big end once you go to a lectron. They pull like freight trains