1. Fitment: Replacement for JS300 JS400 JS440 JS550, replacement for WAVEJAMMER 500, replacement for SEADOO SPI. 2. Applications: primer can be worked with all carbureted Jet Skis and snowmobiles, and work with carbs and primer kits, suitable for 11305/10161AD. Primer Body ONLY. 3. Advantage: plunger pump can directly prime the carbs, eliminates hard, cold starts, with nickel plated brass primed body. 4. Premium Material: The jet ski pump is made of high quality copper and ABS material for higher stability and reliability. 5. Perfect Replacement: Professional manufacturing, high performance, really good replacement to replace the old or damaged one. Item Type: Plunger Pump Fitment: Fit for 11305/10161-AD. Primer Body ONLY Fits all BN 38 / 44 Carbs Fits all Super BN and BNI 38 / 40 / 44 / 46 Carbs The following years models have single Carbs Replacement for JS300 1986-1991 Replacement for JS400 1976 Replacement for JS440 1977-1990 Replacement for JS550 1982-1990 Replacement for WAVEJAMMER 500 1987-1991 Replacement for WAVERUNNER 500 1987-1993 Replacement for SUPERJET 650 1990-1993 Replacement for LX650 1990-1993 Replacement for VXR 650 1991-1995 Replacement for 3 650 1990-1996 Replacement for SUPERJET 701 1994-1995 Replacement for FX1 701 1994-1995 Replacement for WAVE 1993-1995 Replacement for VXR PRO 701 1993-1994 Replacement for 3 GP 701 1994-1995 Replacement for 3 701 1997 Replacement for WAVE 701 1996-1997 Replacement for SP 1988-1997 Replacement for SPI 1991-1996 Replacement for GT 1990-1991 Replacement for 1992-1996 Colour:As Shown Material:Copper + ABS Package Contents: 1 x Plunger Pump Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.