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True Venturi With Annular Discharge Design

Superior Fuel Atomization

Easy To Tune

Doesn't Load Up

Crisp And Instant Throttle Response

More Bottom End Power

Better Mid Range Acceleration

Unmatched Top End

Modifications Available:
44mm for GPR 1200
46mm for Sea Doo 951
48mm for GPR 1200
48mm for Sea Doo 951

 


BlackJack Carburetors

The Blackjack S.F.I. is a modification done to the I Series carburetors found on the Yamaha GPR 1200 and the Sea Doo 951.

This modification retains:
+    All stock linkage and fuel lines
+    OEM manifold for ease of installation
+    OEM oil injector

To find out more about our testing and how we developed the BlackJack Carburetor, Click here ->> Technical.

SFI 44-3*

GPR Rack of 3 carbs, SFI modifications to 44mm $ 449.00
SFI 46-2* Sea Doo 951 carbs, S.F.I. modifications to 46mm $ 299.00
SFI 48-2* Sea Doo 951 carbs, S.F.I. modifications to 48mm $ 439.00
SFI 48-3* GPR Rack of 3 carbs, SFI Max modifications to 48mm $ 659.00
service Bore carburetor plate to 48mm $   40.00
* price includes; jets, needle and seats, springs
* T-bar screws sold separately

 

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