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R1 carbs


720driver97

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To answer, R-1 carbs were never intended for anything but a 4 cylinder bike but any reasonably small 4 cylinder can be 'adjusted' to make it work with a custom intake. The KA is an EFI engine has has no ignition system as such. Instead it has a crank angle sensor (CAS) and the output from, this plus other sensor inputs are sent to the ECU and a spark signal and advance is generated. If running a carb you will need to remove the CAS and somehow bolt a regular distributor in there. It's almost for sure (buried) in that post on R-1 carbs. You might try Google search using the word Ratsun in it. Maybe R1 carbs on KA engine? ratsun 

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