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Johnson/Evinrude Driveshaft Installation

added
updated
Manufacturer BRP Marine
Engine Type Other
Repair Time 2 to 4 hours
Repair Difficulty Medium

This thread pertains to OMC two-piece drive shaft found in 1992 and newer four- and six-cylinder gearcases. These gearcases are not sold with upper vertical drive shaft and shift may be reused in the replacement unit.

The old gearcase should be disassembled to remove the upper drive shaft. Push out the pin located approximately six inches from the bottom of the lower drive shaft to free the top shaft. Simply unscrew the shift rod.

Installation of the original shaft does not require that you disassemble the replacement unit. Place the shaft into the unit and tap the top of the shaft to snap it into place. Replacement units come with a spring-loaded retainer clip installed in the lower drive shaft to hold the shaft in place. screw the shift rod in. The shaft may seem loose until the water pump is installed.

Shift Rod Heights for 20" OMC-Bambardier

Cyl Year Height
2 1976-1988 20-29/32"
2 1989-UP 21-15/16"
3 1978-UP 21-23/32"
V4 C/F 1978-UP 21-27/32"
V4 Looper Small 1986-1992 21-15/16"
V4 Looper Big 1993-2001 21-15/16 "
V4 60 & Deg Carb 1995-2003 21-1/4"
V6 C/F 1979-1991 22-1/16"
V6 Looper 1986-2003 21-15/16"
V6 60& Deg 1991-2003 21-1/4"
V6 60° - F.I. 1998-2003 21-3/4"

*Add or subtract 5" for your application ( + or - 1/32" )

BRG406N - Johnson-Evinrude V4 Large 90-140HP 1992-2012
BRG404R - Johnson-Evinrude V4 Small 85-140HP 1978-1998

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