FX-1 Trying to remove Riva exhaust pipe and manifold

[Spheeler]

I'm trying to get my head off to see the dome size. I was just wondering if I had to remove the whole engine because the pipes so big or is there a way to remove just the pipe then the head.
Any help would be greatly appreciated, thanks.
Pics here: http://www.x-h2o.com/threads/121251-Fx-1-compression-question

 

[ChrisFiore15]

you can remove just the pipe.. its going to be a fun time !

 

[Spheeler]

Here's what i'm having a hard time with, the bolts tha connect the expansion pipe to the manifold are pretty hard to reach.
I'm pretty sure the riva red pipe I have is fx-1 specific, does this complicate things?
And I tried loosening the engine mounts but the rubber piece below just seems to twist and I'm worried about breaking it.

 

[davy87nj]

Ive heard riva red pipes on all skis are tough to get on and off. Ive used an air or electric impact gun when I have motor mounts twisting like that and it takes the bolt out with out breaking the mount.

 

[BombThreat]

Its easier to remove the engine then trying to get it off in the hull. If the rubber is twisting then you can try the impact. Could also try and spray some PB Blaster between the bed plate and mount face and then heat the bolt head.... maybe with some luck it just needs a little help breaking the corrosion free.

 

[Spheeler]

Its easier to remove the engine then trying to get it off in the hull. If the rubber is twisting then you can try the impact. Could also try and spray some PB Blaster between the bed plate and mount face and then heat the bolt head.... maybe with some luck it just needs a little help breaking the corrosion free.

Thanks for the tip, I had no problem getting the engine mounts off.
One of the expansion pipe bolts is frozen though and one on the manifold is also really stuck, I'm stripping the top of the bolt trying to get it off.
Any tips for loosening stuck bolts, tried using 3in1 penetrating spray but had no luck.