Mariner 4hp 2 stroke broken gear shift

[304]

Hi I’m trying to replace a broken gear shift , had a look on YouTube and a mercury 4hp came up similar engine and problem etc . Need to undo bolts underneath the cowling that secure the engine to the leg then it can be removed so to get to the gear shift lever . That where the problem lies ,the engine still seems to be held somewhere,thought it might be the gasket holding it but I’ve given it some force but still no avail .Can anyone help where I’m going wrong.? Many thanks

 

[Mark-1]

Find an exploded parts diagram and count the fastenings/see if there's any hidden fastenings?

There's plenty of them if you google.

I think thus may be yours. 8 bolts, unless some are dowels:
Driveshaft Housing/Gear Housing | PerfProTech.com

 

[veshengro]

I can't answer your question, but check your messages (PM)

 

[VicS]

Find an exploded parts diagram and count the fastenings/see if there's any hidden fastenings?

There's plenty of them if you google.

I think thus may be yours. 8 bolts, unless some are dowels:
Driveshaft Housing/Gear Housing | PerfProTech.com

6 bolts and 2 dowels according to your link.

.

 

[Steve65]

Possibly the driveshaft is stuck in the crank

 

[Boathook]

Possibly the driveshaft is stuck in the crank

@304 and maybe the gear linkage is holding it together.
I had to do the same with a malta and striped of the gearbox and then struggled with the powerhead as it had never been removed in it's life. Plenty of 'muck' holding it together !

 

[Rappey]

Dowels can put up one hell of a fight when they are a very tight fit leading to using a long lever to break the joint.

 

[304]

Many thanks for your replies . I didn’t know there were locating dowels so I will give it a bit more leverage . Thanks

 

[304]

Dowels can put up one hell of a fight when they are a very tight fit leading to using a long lever to break the joint.

Thanks for your advice . I thought this would be a simple job after looking at a you tube video ,someone was changing a lever on what looks like the same engine (Mercury) , I’ve taken the lower gearbox / propeller off so hoping the engine would lift off easy .

 

[Rappey]

I know this is a terrible thing to do but sometimes a sharp chisel driven into the joint at an area where there is enough "meat" to not break can be just enough to start opening the joint .
Some just need a little tap with a mallet but some feel like there is still a bolt somewhere that youve missed.
Just be carefull where you lever as its possible the break the aluminium case or engine casting.
It all goes together much easier !

 

[304]

Dowels can put up one hell of a fight when they are a very tight fit leading to using a long lever to break the joint.

Possibly the driveshaft is stuck in the crank

I’ve taken the lower end off so the driveshaft came out that way

 

[304]

Possibly the driveshaft is stuck in the crank

Find an exploded parts diagram and count the fastenings/see if there's any hidden fastenings?

There's plenty of them if you google.

I think thus may be yours. 8 bolts, unless some are dowels:
Driveshaft Housing/Gear Housing | PerfProTech.com

Thanks for that . Will have a look now

 

[Rappey]

Find an exploded parts diagram and count the fastenings/see if there's any hidden fastenings?

Great advice

 

[304]

6 bolts and 2 dowels according to your link.

.

see item 7 being dowel couldn’t find where second one is located ?

 

[304]

I can't answer your question, but check your messages (PM)

Many thanks again

 

[VicS]

see item 7 being dowel couldn’t find where second one is located ?

This is a picture of the gasket. You know which holes have bolts through them ( I guess one in each corner and one in the middle of each long side).
The dowels will be in the other two holes.

 

[304]

Thanks that’s great . Have now removed engine as you said stuck on dowels