Mikuni Dual Premier Rebuild Kit - Seadoo 657x, 717, 787

This is a genuine dual carb rebuild kit for Seadoo 717, 787, and 657x engines.  Everything is OEM with stainless steel upgrades and essential replacement parts not included in plain Mikuni kits! 

• New retainer plates
• Stainless steel screws and external hex bolts
• New adjuster washers (which is not normally available with these kits.  These washers corrode easily over time). 
• 2 - Carb base gaskets

Includes new Mikuni Needle/seat valves and springs!

657x Specs:

• 1.5 Needle/seat valve; 65g shiny silver spring (pop-off: 32psi)
  • The original spring was discontinued.  If you have it, you should still use it.
  • If you don't have the original spring, utilize the 65g spring that comes with this kit.
  • Pop off specs should be 19-35psi, 22-37(95' GTX).
    

717 Specs:

• 1.2 Needle/seat; 80g black spring (pop-off: ~55 psi)

787 Specs:

• 1.5 Needle/seat; 80g black spring (pop-off: ~38 psi)

787 w/ Accelerator Pump Specs:

• 1.5 Needle/seat; 95g dull silver spirng (pop-off: ~43psi

Compatibility:

• 657x Engines
  • 1994 XP 
  • 1995 GTX, SPX
• 717 Engines
  • 1995 XP, HX
  • 1996 SPX, GTI, HX
  • 1996 Speedster, Sportster
    
  • 1997 HX
    
  • 1997 Sportster, Explorer
• 787 Engines
  • 1995 XP800 
  • 1996 XP, GSX, GTX
  • 1997 XP, GTX, GSX, SPX
  • 1997 Challenger, Challenger 1800
  • 1998-1999 SPX
  • 1998-199 Speedster, Challenger 180
  • 1998-1999 Sportster 1800 (need 2 kits)
  • 1999 Speedster SK (need 2 kits)