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PowerNow improves airflow on the INTAKE (airbox) side of the carburetor to add
power to your motorcycle. |
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PowerNow |
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PowerNow Plus improves airflow AFTER the carburetor
slide to add power to your 4-stroke motorcycle. |
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PowerNow Plus |
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PowerNow System includes Power Now and
PowerNow Plus for
the maximum power increase and throttle response. |
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PowerNow System |
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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!) |
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Kouba
Fuel Screw |
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