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[STEMO]

I believe the crankshaft front bearing is a roller bearing but don’t quote me on that. 

If it's proven that it isn't a roller bearing at all, I will quote you, every time you think you're right when I am obviously right. And I've quoted you so you can't delete it.
If it is a roller bearing, lucky guess 

[YZ250]

I believe the crankshaft front bearing is a roller bearing but don’t quote me on that. 

If it's proven that it isn't a roller bearing at all, I will quote you, every time you think you're right when I am obviously right. And I've quoted you so you can't delete it.
If it is a roller bearing, lucky guess 

 
I searched for Vauxhall Omega 2.6 V6 crankshaft bearings and it flagged up the front bearing as roller.    I’ve never had the need to delve into the crank of my 3.2 but logic tells me I’m wrong, as for the bearings to escape into the cover they’d have to get past the front oil seal, which would be messy.
I tried to delete it but as usual you beat me to the quote. 

If an idler was missing 4 of those, I’m guessing it would wobble a bit.   

[Dave G]

I seem to have started something I can’t control..!

[Raeturbo]

Looks very much like a rear spigot bearing but of course it couldn’t have travelled to the front🤣 I think they do have them on the front and apparently there was an upgrade available 🤷‍♂️

[YZ250]

I seem to have started something I can’t control..!

At least we know where you’re at now cam belt wise, apart from how many teeth it’s jumped. Hopefully someone can help/guide you on what action to take.

[STEMO]

I seem to have started something I can’t control..!

He's always causin trouble that YZ fella, Dave. He used to drive too fast an all, but I believe he's a model citizen now 

[polilara]

[polilara]

Ball?

[YZ250]

I seem to have started something I can’t control..!

He's always causin trouble that YZ fella, Dave. He used to drive too fast an all, but I believe he's a model citizen now 

I thought you slept in the afternoons. 

[STEMO]

I seem to have started something I can’t control..!

He's always causin trouble that YZ fella, Dave. He used to drive too fast an all, but I believe he's a model citizen now 

I thought you slept in the afternoons. 

Not today. Bit of excitement this aft, I had to stay awake for the Amazon man to knock 

[STEMO]

Oops......this thread seems to be drifting a wee bit. Sorry, Dave 

[Dave G]

No worries lads.
It’s sometimes good to not take life too seriously!

Can I just throw one out there…?
So there’s a good possibility that the Y26SE is terminally ill.
How about if I lock anything belt-related as best I can, then release the tensioner and idler and ‘see what falls out’..??

[YZ250]

I seem to have started something I can’t control..!

He's always causin trouble that YZ fella, Dave. He used to drive too fast an all, but I believe he's a model citizen now 

I thought you slept in the afternoons. 

Not today. Bit of excitement this aft, I had to stay awake for the Amazon man to knock 

 

Regarding the crankshaft bits, we’ll have to hope that either Mark or James can throw some light on it, or anyone else who can identify the parts. It’s a long time since I did complete engine rebuilds and only one of my Omegas required head gasket work so my knowledge is fairly limited.

[STEMO]

I seem to have started something I can’t control..!

He's always causin trouble that YZ fella, Dave. He used to drive too fast an all, but I believe he's a model citizen now 

I thought you slept in the afternoons. 

Not today. Bit of excitement this aft, I had to stay awake for the Amazon man to knock 

 

Regarding the crankshaft bits, we’ll have to hope that either Mark or James can throw some light on it, or anyone else who can identify the parts. It’s a long time since I did complete engine rebuilds and only one of my Omegas required head gasket work so my knowledge is fairly limited.

That's it, lad. Hedge it. 

[YZ250]

No worries lads.
It’s sometimes good to not take life too seriously!

Can I just throw one out there…?
So there’s a good possibility that the Y26SE is terminally ill.
How about if I lock anything belt-related as best I can, then release the tensioner and idler and ‘see what falls out’..??

To be honest, your cams are set ok but your crank is out so it doesn’t really matter when you remove the belt. Might be worth waiting a bit to see if anyone more knowledgeable of this engine has any suggestions in the meantime.