SBT Rotary Valve - Sea-Doo 290924508 Explorer, GTS, SP, SPI (Select Models)

• New 147 Degree Rotary Valve.
• Controls fuel intake timing on earlier Sea-Doo two-stroke engines.
• Driven by a gear on the rotary shaft located between the cylinders.
• Opens and closes the intake port in sync with engine pulses.
• Allows unrestricted intake flow for improved efficiency.

Replaces OEM part(s): 290924508, 420924508.

• Explorer (1993-1997)
• GTI (1996)
• GTS (1992-1996)
• GTX (1992-1994)
• SP (1991-1996)
• SPI (1993-1996)
• SPX (1993-1994)
• XP (1992-1993)
• XPI (1994)