Broken Lower Unit Housing

[NC waterboy]

I am in the process of changing my impeller but while doing so I "tapped" a little too hard on the housing and it broke. My question is...how might this affect the motors performance? Should I JB Weld it, have it braised, or just grind away what's left to a smooth edge on the housing?



I'd also like to know if they're is anything else that I should check while I have the lower unit out?

I released the gear oil and it wasn't milky so I believe the seals are fine. It had a VERY SMALL amount of metallic shavings on the screw magnets as well. I did engage the shift rod into drive/reverse and noticed that I could turn the drive shaft nearly 1/4 turn before the prop shaft began to turn...is this normal for a motor of this age? I bought the motor used and was told that the year was between a 1989 & 1991 Johnson 110 HP V4. The model number was one that came on some boat/motor package so the year isn't exactly clear.
Thanks for all input.

 

[5150abf]

Re: Broken Lower Unit Housing

Fix it or don't, that small of a peice from that part of the engine shouldn't matter too much and yes it is completely normal for it ot shift like that, the ears on the clutch dog need to rotate until they line up with the gear.

 

[1946Zephyr]

Re: Broken Lower Unit Housing

That broken piece should be okay, but the cosmetics are in your preferences. You could have it tig welded up pretty cheap, but it's not an issue. As far as your shifting concern, the gears will allow for the time it takes to engage, by having that much rotation. You'll notice the amount of open area in the gears, where the tabs on the clutch dog ride.

 

[NC waterboy]

Re: Broken Lower Unit Housing

Thanks much guys!

If there's nothing else to check/repair it's going back together tomorrow......can't wait!

 

[Mas]

Re: Broken Lower Unit Housing

Do not fix it...that way it will always remind you not to tap so hard.

Sorry it happened!

Mas