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 ATV PowerNow Applications

PowerNow improves airflow on the INTAKE (airbox) side of the carburetor to add power to your motorcycle/ATV.

PowerNow

PowerNow Plus improves airflow AFTER the carburetor slide to add power to your 4-stroke motorcycle/ATV.

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:  Bikes/ATVs with factory-installed Keihin FCR carburetors. (aftermarket FCR carburetors use a different thread pitch - do not use this fuel screw!)

TO PURCHASE: Put a quantity in the box, then click the "Add to Order" button below
or call Cyclecost.com at 1-888-284-4588.
ATV - PowerNow Systems Applications Cost Qty
PNSH4 PowerNow System - fits:
Honda TRX 450 2006-08
Includes PNH4 PowerNow and PNPH/S4 PowerNow Plus		 $179.99
PNSY39 PowerNow System - fits:
Yamaha YFZ 450 2004-09  (will not fit fuel-injected YFZ 450R)
Includes PNY2/4 PowerNow and PNPKTMY39 PowerNow Plus		 $179.99
 ATV - PowerNow Applications Cost Qty
PNBSR-33 PowerNow - fits:
Yamaha Grizzly 350/400/450 2007-08
Yamaha Big Bear 250 2007-08
Yamaha Big Bear 400 2001-08
Yamaha Wolverine 450 2006-08
Yamaha Bruin 250 2005-08
Yamaha Bruin 350 2004-08
Yamaha Kodiak 400 2001-08
Yamaha Kodiak 450 2003-08
Bombardier Outlander 330/400 2003-06
Bombardier Traxter 2003-04		 $91.99
PNY2/4 PowerNow - fits:
Yamaha YFZ 450 2004-09		 $91.99
PNBSR33-2 PowerNow - fits:
Yamaha Raptor 660 (set of 2) 2001-06		 $179.99
PNBANSHEE PowerNow - fits:
Yamaha Banshee (set of 2) 1999-2007		 $179.99
PNBLASTER PowerNow - fits:
 Yamaha Blaster 1997-2007		 $91.99
PNYG660 PowerNow - fits:
Yamaha Grizzly 2002-08
 Yamaha Rhino 2005-08
Polaris Predator TLD 2003-05
Bombardier/Can-AM DS 650 2003-05
Bombardier/Can-AM Traxter 2005		 $91.99
PNH4 PowerNow - fits:
Honda TRX 450 2006-08		 $91.99
PNTRX450 PowerNow - fits:
Honda TRX 450 2004-05		 $91.99
PNHRIN PowerNow - fits:
Honda Rincon 2004-05		 $91.99
PNSLTZ450 PowerNow - fits:
Suzuki LTR 450 2006-08		 $91.99
PNLTZ/KFX400-05 PowerNow - fits:
Suzuki LTZ 2005-08
Kawasaki KFX 400 2007 		$91.99
PNLTZ/KFX400-04 PowerNow - fits:
Suzuki LTZ/Kawasaki KFX 400 2004
(will not fit 2005-06 models)		 $91.99
 ATV - PowerNow Plus Applications Cost Qty
PNPH/S4 PowerNow Plus - fits:
Honda TRX 450 2006-08		 $91.99
PNPKTMY39 PowerNow Plus - fits:
Yamaha YFZ 450 2004-09  (will not fit fuel-injected YFZ 450R)
Polaris 525 Outlaw 2007-08		 $91.99
 Kouba Fuel Screws Cost Qty
K-FS1 Kouba replacement fuel screw - fits factory installed Keihin FCR carburetors (aftermarket FCR carburetors use a different thread pitch) $19.99
Availability Guide:
 = Normally ships the same business day  = Ships in 1 to 2 business days  = On backorder from the manufacturer
If you order an item that is on backorder, we will not charge your card until the order is ready to ship.

  

 
 
Kouba Fuel Screw Larger Image
 


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