Selectric shift question

[todd281]

I just bought a Evinrude 50 HP outboard model # 50272c . It runs well , but does not shift into reverse. I checked the wiring and both the green and blue wires are hot when I push the reverse button as they should be. I also checked the ohms on the solenoids and the are at 6 ohms as they should be . The motor shifts into neutral fine , just not reverse. I pulled the low end , checked and set the placement of the plungers in the solenoids , flush at the top . Any ideas on what else could be wrong ? it seems to me that if the pump was bad I would not have neutral , but perhaps that is not so .

 

[F_R]

Are you checking the green and blue wires for voltage while they are connected to the lower unit cable? You should be. Otherwise, you will get a false (no load) reading.

Another test is to use a jumper wire directly between the battery + and both green and blue wires at the lower unit cable, at the same time. If it still doesn't go into reverse, it probably is a piece of grit imbedded in the shifter piston / oil pump assembly. Or a piece of crud in the ball valve operated by the reverse solenoid. Short story is make darn sure it isn't an electrical problem before tearing into the lower unit.

 

[todd281]

thanks for the advise I have tried the jumper to both blue and green wires that come from the solenoids, to no avail. I thought perhaps there was something that these units were known for, something I missed thanks again