View Single Post
  #2  
Old 23rd October 2019
sportsterdoc's Avatar
sportsterdoc sportsterdoc is offline
Senior Master Custom Bike Builder
 
Join Date: Apr 2012
Location: Mojave Desert
Posts: 13,451
Reputation: 5863461
sportsterdoc has a reputation beyond reputesportsterdoc has a reputation beyond reputesportsterdoc has a reputation beyond reputesportsterdoc has a reputation beyond reputesportsterdoc has a reputation beyond reputesportsterdoc has a reputation beyond reputesportsterdoc has a reputation beyond reputesportsterdoc has a reputation beyond reputesportsterdoc has a reputation beyond reputesportsterdoc has a reputation beyond reputesportsterdoc has a reputation beyond repute
Default

The Keihin CV40 is rated about 190 CFM.

1200cc at 7500 RPM is about 160 CFM.

1200 cc x 7,500 RPM = 9,000,000 cubic centimeters per minute.
Divide by 2 for a 4 stroke (fires alternate revs) = 4,500,000 cc per minute
Converted to cubic feet per minute = 158.916 CFM

The CV40 is more than adequate.
Reply With Quote