Thanks: 
HaHa: 
Reply With QuoteIf you’re talking about the top plug, yes it should be flush. Did you change oil or something?
Sent from my iPhone using Tapatalk
Keeper
Yamaha lower unit vent plug
Hi folks. Can anyone with a yamaha engine tell me if the vent plug on there lower unit should be flush with the case when tightened? I realize the drain plug is counter sunk.self isolated myself and thought i could get some stuff done around home.I think i screwed up a 2 year old lower unit.Appreciate it.Marky
Crappie.com 1K Star General
If you’re talking about the top plug, yes it should be flush. Did you change oil or something?
Sent from my iPhone using Tapatalk
Keeper
Yes.I changed the lower unit fluid today.Its not quite flush so I must have cross threaded it.Guess some people should never pick up a tool.
Crappie.com 1K Star General
Did you put new washers on both plugs before reinstalling them?
You might have left the washer off the top plug and thats why its recessed.
Keeper
It has a washer.The problem is that i dont think its screwing in as far as it should.Hoping someone with a yamaha would look at theirs and let me know.Thank you. PS..There is no marine mechanic within 85 miles of me to have look at it and dont see any yamaha motors around town.
Super Duper Moderator - 2012 Crappie.Com Man of the year & 2018 Crappie.com Decade of Exceptional Service Awards
* Crappie.com Supporter * Member Sponsor
I would take it back out and look everything over good....look at threads good....be sure they are clean....check your washer be sure it's ok....place the washer on the screw and bottom it out against the head....gently screw it back in...then snug it down good.
I have spent most my life fishing........the rest I wasted.
PROUD MEMBER OF TEAM GEEZER
PICO Lures Field Rep
Keeper
Thanks G.Ill check it again this am.it seems that it screws in perfect just not far enough.Do you run a yamaha ? Ill take a pic and see if i can figure how to post on here.Just dont want to get water in it or let fluid out while fishing and ruin lower unit.Originally Posted by "G"
Crappie.com Legend
IMO if it screwed in easily, you didn't cross thread it.
Keeper
Sure hope not.Banged my leg on the hitch that day.Now it got infected and its painful to walk.Dont want to bother a dr with pandemic going on.
Crappie.com 3K Star General
Did u put the right plug back in the right hole the plug on the bottom is a little longer cause it has a magnet on it maybe your problem. If u did cross thread it u can tap it out a hair bigger.
tcounty LIKED above post
