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 Boyesen QuickStart and QuickShot
 Accelerator Pump Covers

NEW for 2009!  Boyesen QuickStart - Hot Engine stalling is no longer a problem. Available for ALL Keihin FCR-equipped offroad, motocross, and ATV models. The Patented performance of the proven Boyesen QuickShot system, now with adjustable leak jet and hot start assist integration! A serious step towards achieving EFI levels of performance.
 

The patented Boyesen QuickShot 3 is the ultimate in adjustable fuel injection for a Keihin FCR carburetor. The QuickShot 3 is a high-performance accelerator pump cover with a built-in adjustable leak jet circuit for simple hand tuning.

A stock accelerator pump cover allows only a 60% - 70% fuel charge in the accelerator pump chamber, while air fills the remaining space. Turning the throttle activates the accelerator pump, but air trapped in the chamber gets compressed, disrupting fuel delivery and often causing a hesitation or bog at the very moment you need immediate response from your engine. The proven Boyesen QuickShot 2 has shown that eliminating trapped air allows for solid fuel delivery 100% of the time, providing the instant acceleration the rider needs.

The adjustable leak jet function of the Boyesen QuickShot 3 allows the duration of the accelerator pump "squirt" to be fine tuned without removing the accelerator pump cover and replacing the leak jet, saving you time and money.  Unlike other adjustable leak jet devices on the market, the QuickShot 3 does not require any drilling or other carburetor modifications.  Just install it, adjust it, and ride!

Quickstart
Dependable Hot Engine Starting
QuickShot 3 APC3 Adjustable
Accelerator Pump Covers
QuickShot 2 APC2
Accelerator Pump Covers
QuickShot 2 APC2CV
Accelerator Pump Covers

     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.

  QuickStart / Quickshot Accelerator Pump Covers

Cost

Add To Cart

QuickStart Accelerator Pump Cover with Adjustable Leak Jet and Hot Start Assist - fits all Keihin FCR Carburetors for offroad, motocross, and ATV models.
BOY-APC3QS


$169.99
MSRP $179.99


QuickShot 3 Accelerator Pump Cover with Adjustable Leak Jet - fits all Keihin FCR Carburetors
BOY-APC3

$114.99
MSRP $119.99


QuickShot 2 Accelerator Pump Cover
Fits all Keihin FCR Carburetors
Does not fit 2007-09 Honda CRF 250R/450R
BOY-APC2

$89.99


QuickShot 2 Accelerator Pump Cover
Fits Honda CRF 250R and 450R 2007-09
BOY-APC2CV

$94.99


Boyesen QuickStart and QuickShot - Larger images and more info

BOY-APC3QS

 

QuickStart
 
Integrated Hot Start Assist eliminates problem 4-stroke hot start procedure
 Tunable leak jet maximizes volume of fuel and duration of fuel spray for all conditions
 25% more fuel capacity
 High volume vertical check valve located in the QS3 for precise, consistent fuel metering
 Patented design stops bogging and improves throttle response
 Improved low end performance
 Investment cast and finished to precise tolerances
 Fits ALL Keihin FCR carbs
 Simple bolt-on

BOY-APC3

 

QuickShot 3
 Tunable leak jet maximizes volume of fuel and duration of squirt for all conditions
 Investment cast and finished to precise tolerances
 25% more fuel capacity
 High volume vertical check valve located in the QS3 for precise, consistent fuel metering
 Stops hesitation and bog
 Instant throttle response
 Improved low end performance
 Fits ALL Keihin FCR carbs
 Simple bolt-on

BOY-APC2

BOY-APC2CV

 

QuickShot 2
 
Superior to stock accelerator pump covers
 Stops hesitation and bog
 Provides instant response to throttle movements
 Reduces hot engine stalling
 Improves low end performance
 25% more fuel capacity
 Accelerates fuel delivery
 Bolt-on product - requires no modification

 


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