SEI 90-421 – 76° V6 Aftermarket Lower Unit – Replacement for Yamaha Outboard 200–250HP 2/4 Stroke – Fits 20″, 25″, 30″ Shafts

Replaces most Yamaha 76 Degree V6

For application assistance:

Please find your engine model number and call 813-925-7127

The paint color is Black. You can paint it to match.

Not designed for Yamaha F250 four stroke 250 HP motors

90-421-A20 (1.81:1 Ratio / 20″ Shaft / RH Rotation)

This SE421 standard right-hand rotation gear case replaces gear cases on Yamaha 2 Stroke V6 3.1 and 3.2 Liter Engines.

• VX200TLR Series:
  • 2005: VX200TLRD
  • 2004: VX200TLRC
  • 2003: VX200TLRB
  • 2002: VX200TLRA
  • 2001: VX200TLRZ
  • 2000: VX200TLRY
• VX225TLR Series:
  • 2004: VX225TLRC
  • 2003: VX225TLRB
  • 2002: VX225TLRA
  • 2001: VX225TLRZ
  • 2000: VX225TLRY
• V200/V225TLR Series:
  • 1999: V200TLRX, V225TLRX
  • 1998: V200TLRW, V225TLRW

90-421-A25 (1.81:1 Ratio / 25″ Shaft / RH Rotation)

This SE421 replaces the gear case on Yamaha V6 2 Stroke 3.1 and 3.2 Liter Engines with standard right-hand rotation.

• Z250TXR Series:
  • 2005: Z250TXRD
  • 2004: Z250TXRC
  • 2003: Z250TXRB
• SX225/SX250TXR Series:
  • 2003: SX225TXRB, SX250TXRB
  • 2002: SX225TXRA, SX250TXRA
  • 2001: SX225TXRZ, SX250TXRZ
  • 2000: SX225TXRY, SX250TXRY
• S225/S250/V225TXR Series:
  • 1999: S225TXRX, S250TXRX, V225TXRX
  • 1998: S225TXRW, S250TXRW
  • 1997: S225TXRV, S250TXRV
  • 1996: S225TXRU, S250TXRU
• 225/250TXR Series:
  • 1995: 225TXRT, 250TXRT
  • 1994: 225TXRS, 250TXRS
  • 1993: 250TXRR
  • 1992: 250TXRQ
  • 1991: 250TXRP
  • 1990: 250ETXD

90-421-A30 (1.81:1 Ratio / 30″ Shaft / RH Rotation)

This SE421 replaces lower units on Yamaha 2 Stroke V6 3.1 and 3.2 Liter Engines. Color is Black (can be painted to match).

• Z250TUR Series:
  • 2005: Z250TURD
  • 2004: Z250TURC
  • 2003: Z250TURB
• SX225/SX250TUR Series:
  • 2003: SX225TURB, SX250TURB
  • 2002: SX225TURA, SX250TURA
  • 2001: SX225TURZ, SX250TURZ
  • 2000: SX225TURY, SX250TURY
• S225/S250TUR Series:
  • 1999: S225TURX, S250TURX
  • 1998: S225TURW, S250TURW
  • 1997: S225TURV, S250TURV
  • 1996: S225TURU, S250TURU
• 225/250TUR Series:
  • 1995: 225TURT, 250TURT
  • 1994: 250TURS
  • 1993: 250TURR
  • 1992: 250TURQ
  • 1991: 250TURP

90-421-B25F (2:1 Ratio / 25″ Shaft / 4-Stroke / RH Rotation)

This SE421 replaces gear cases on Yamaha Four Stroke V6 200HP – 225HP Engines with a 2:1 Gear Ratio and 25 Inch Drive Shaft.

• F200XA/TXR Series:
  • 2019-2011: F200XA
  • 2010-2006: F200TXR
  • 2005: F200TXRD
  • 2004: F200TXRC
  • 2003: F200TXRB
  • 2002: F200TXRA
• F225XA/TXR Series:
  • 2018-2011: F225XA
  • 2010-2006: F225TXR
  • 2005: F225TXRD
  • 2004: F225TXRC
  • 2003: F225TXRB
  • 2002: F225TXRA

90-421-B30F (2:1 Ratio / 30″ Shaft / 4-Stroke / RH Rotation)

This SE421 replaces the gear case on Yamaha Four Stroke V6 200HP – 225HP Engines with a 30 Inch Drive Shaft.

• F225TUR Series:
  • 2005: F225TURD
  • 2004: F225TURC
  • 2003: F225TURB
  • 2002: F225TURA