With the highest performance KEIHIN FCR carburettor set of mounting adapters
FCR carburettors are particularly compatible with the SR400/500, they are easy to handle and
are definitely more powerful with the correct settings.
Significantly increased power from low to high rpm.
punches in the high rpm range compared to 35φ and 37φ, and can be used with tuning engines.
setting parts, and it runs obediently even in summer and winter with the adjustment of the air screw.
JB Power, which has been selling KEIHIN products for many years and boasts the world's best sales record,
has conducted many driving tests from the circuit to ordinary roads
Advanced pre-setting is applied based on accumulated data.
It is also characterized by a light operating feeling due to the throttle with built-in bearings.
Each jet number shipped
SJ Slow Jet: #50
MJ Main Jet: #150
* The air cleaner box is removed and the
air funnel specification or power filter specification (sold separately) is used.
You also need a breather filter.