PowerNow improves airflow on the INTAKE (airbox) side of the carburetor to add
power to your motorcycle.
PowerNow
PowerNow Plus improves airflow AFTER the carburetor
slide to add power to your 4-stroke motorcycle.
PowerNow Plus
PowerNow System includes Power Now and
PowerNow Plus for
the maximum power increase and throttle response.
PowerNow System
We also stock "easy-adjust" Kouba
Fuel Screws
to fit
factory - installed Keihin "FCR" carburetors. If you have tried to adjust the air/fuel mixture screw on your FCR carburetor, you know one of these is a must!
These Kouba fuel screws make
it easy to adjust your air/fuel mixture screw. The K-FS1 fuel screw will fit: KTM RFS 250/400/450/520/525
, Yamaha YZF/WR 250/400/426/450, Honda CRF250/450, or
Suzuki DRZ400E or other bikes with factory-installed Keihin FCR
carburetors.
(aftermarket FCR carburetors use a different thread pitch
- do not use this fuel screw!)
