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Search results for 'cover pump'

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QUICKSHOT
$49.95
Boyesen's original QuickShot is still available while supplies last.
Stock accelerator pump covers permit only partial fuel charge in the pump chamber. Turn the throttle and air in the chamber is compressed and fuel is delayed. The result: H Learn More

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QUICKSHOT 3
$119.95
Boyesen QuickShot 3 Adjustable Pump Cover
Stock accelerator pump covers permit only a 60% - 70% fuel charge in the pump chamber. Turn the throttle and air trapped in the chamber is compressed disrupting fuel delivery. All the while tuning the squirt means a complicated change of the leak jet.
The Result: Hesitation, bog and a tuning headache.

The Patented Boyesen QuickShot 3's triple effect: 1. Completely fills the pump chamber with fuel 2. Eliminates troublesome air and 3. Provides an adjustable leak jet circuit for simple hand tuning.
The Result: The ultimate in adjustable fuel injection.

> 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

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QUICKSHOT 3
$119.95
Boyesen QuickShot 3 Adjustable Pump Cover
Stock accelerator pump covers permit only a 60% - 70% fuel charge in the pump chamber. Turn the throttle and air trapped in the chamber is compressed disrupting fuel delivery. All the while tuning the squirt means a complicated change of the leak jet.

The Result: Hesitation, bog and a tuning headache.



The Patented Boyesen QuickShot 3's triple effect: 1. Completely fills the pump chamber with fuel 2. Eliminates troublesome air and 3. Provides an adjustable leak jet circuit for simple hand tuning.

The Result: The ultimate in adjustable fuel injection.



> 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


Learn More

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QUICKSHOT
$99.95
Boyesen QuickShot Adjustable Pump Cover
The Boyesen QUICKSHOT is a cost effective, bolt-on upgrade that allows accelerator pump fuel spray to be adjusted simply with the turn of a screw.

“The Ultimate in Adjustable Fuel Delivery”


• Fits S&S Super E and G Carbs

• Patented, Proven Design

• Accelerator Pump Check Valve Stops Bogging and Coughing

• Adjustable Fuel Jet to Control Accelerator Pump Fuel Spray

• Precision Single Hole Sprayer Improves Roll-On Acceleration

• Instant Throttle Response

• Improves Low End Performance

• Improves Fuel Economy

• Bolt-on – no modification required

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SUPERCOOLER WATER PUMP COVERS
$127.95
The Boyesen SuperCooler water pump cover increases coolant flow; reduces hydraulic friction and cavitation to enhance the performance of your engines cooling system. This high flow, hydrodynamic water pump cover is for use either on older models or as Sup Learn More

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SUPERCOOLER WATER PUMP COVERS
$127.95
The Boyesen SuperCooler water pump cover increases coolant flow; reduces hydraulic friction and cavitation to enhance the performance of your engines cooling system. This high flow, hydrodynamic water pump cover is for use either on older models or as Sup Learn More

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SUPERCOOLER WATER PUMP COVERS
$127.95
The Boyesen SuperCooler water pump cover increases coolant flow; reduces hydraulic friction and cavitation to enhance the performance of your engines cooling system. This high flow, hydrodynamic water pump cover is for use either on older models or as Sup Learn More

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SUPERCOOLER WATER PUMP COVERS
$127.95
The Boyesen SuperCooler water pump cover increases coolant flow; reduces hydraulic friction and cavitation to enhance the performance of your engines cooling system. This high flow, hydrodynamic water pump cover is for use either on older models or as Sup Learn More

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SUPERCOOLER KITS
$189.95
The Boyesen SuperCooler water pump kit is an aluminum investment cast water pump cover and impeller combo; specifically designed to enhance the performance of your engines cooling system. Learn More

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SUPERCOOLER KITS
$189.95
The Boyesen SuperCooler water pump kit is an aluminum investment cast water pump cover and impeller combo; specifically designed to enhance the performance of your engines cooling system. Learn More

Add to Wishlist | Add to Compare

Items 1 to 10 of 109 total Page:
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. Next
Show per page
View as: Grid  List  Sort by Set Descending Direction
 

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