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90-421-A20 - SE421 Lower Unit Yamaha 76 Degree V6, 3.1, 3.2L, 1.81 to 1, 2 Stroke, 20 Inch

SEI Marine 90-421-A20 - SE421 Lower Unit Yamaha 76 Degree V6, 3.1, 3.2L, 1.81 to 1, 2 Stroke, 20 InchSEI Marine 90-421-A20 - SE421 Lower Unit Yamaha 76 Degree V6, 3.1, 3.2L, 1.81 to 1, 2 Stroke, 20 Inch

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$1,195.00

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SECURE CHECKOUT
SPEEDY DELIVERY
30-DAY RETURN
FULL WARRANTY

Part Number
90-421-A20

Manufacturer
SEI Marine

See Recommended Installation Components below.

90-421-A20 - SE421 Lower Unit Yamaha 76 Degree V6, 3.1, 3.2L, 1.81 to 1, 2 Stroke, 20 Inch

Replaces most Yamaha 76 Degree V6

  • Part Number : 90-421-A20
  • Engine Type : Yamaha 2 Stroke V6 3.1 / 3.2 Liter
  • Gear Ratio : 1.81:1
  • Prop Rotation : RH
  • Shaft Length : 20”

Not designed for Yamaha F250 four stroke 250 HP motors

Year Model Number Shaft Gear Ratio
2005 VX200TLRD 20 1.81:1
2004 VX200TLRC 20 1.81:1
2004 VX225TLRC 20 1.81:1
2003 VX200TLRB 20 1.81:1
2003 VX225TLRB 20 1.81:1
2002 VX200TLRA 20 1.81:1
2002 VX225TLRA 20 1.81:1
2001 VX200TLRZ 20 1.81:1
2001 VX225TLRZ 20 1.81:1
2000 VX200TLRY 20 1.81:1
2000 VX225TLRY 20 1.81:1
1999 V200TLRX 20 1.81:1
1999 V225TLRX 20 1.81:1
1998 V200TLRW 20 1.81:1
1998 V225TLRW 20 1.81:1


Warranty (PDF)
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SEI Marine 90-421-a20 - Se421 Lower Unit Yamaha 76 Degree V6, 3.1, 3.2l, 1.81 To 1, 2 Stroke, 20 Inch is equivalent to parts:

  • 66K-45300-13-NA Yamaha Marine
  • 66K-45300-12-NA Yamaha Marine
SEI Gearcases & Complete Outdrives
SEI Complete Trim & Tilt Units
SEI is the largest manufacturer of aftermarket sterndrives and outboard lower units in the world. Every SEI complete gearcase and outdrive carries a 3-Year No-Fault Warranty. SEI also manufactures complete tilt and trim uints as well as shafting and other individual parts. Their subsidiary company API Marine manfuactures a quality line of aftermarket outboard starter and trim motors.

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