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Boyesen Quickstart Cover

Item #: 4642500

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Availability: Out of stock (usually ships in 5-7 business days)

Sugg. Retail: $180.00

Bobs Price: $139.99
Boyesen Quickstart Cover


Available for ALL Keihin FCR-equipped MX. Off-road and ATV models. The Patented performance of the proven Boyesen QuickShot system, now with adjustable leak jet and hot start assit integration! A serious step towards achieving EFI levels of performance.

Try the most effective way to add performance to your Keihin FCR carburator.

  • 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

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