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Engine stand / jack

WayneOrwig

WayneOrwig

GT Reference
Joined
Oct 28, 2008
Messages
1,055
Location
Hog Mountain
Has anyone dropped the engine out of the frame on their Stelvio yet?
I have a leak from the rear main area. On the Tonti frames, I crab them and leave the front engine bolt on place and use a simple jack. That isn't going to happen here, so I need a way to support and lower the engine and transmission out of the frame. Or raise the frame. Either way, I need a good support under the engine.
Ideas? I'm thinking some type of wooden cradle on top of a jack.
 
Haven't done a Stelvio yet Wayne but Id think he process would be very similar to the Griso.

I used one of those bike jack thingies under the sump, Tied the front down while I pulled the arse end off, then disconneced all the wiring etc. before unbolting the motive unit from the frame. With the Griso I found it easiest to un-bolt the manifolds and leave them and the injectors and airbox etc, in the frame.

Final lifting of the frame off the motive unit was achieved in the time honoured fashion of persuading a couple of burly oafs to assist.

The leak is almost certainly the rear main bearing flange. I haven't seen this yet but the problem is caused by two things, make sure you address them both. Firstly a couple of the bolts used to secure the flange are too long so they can't clamp properly. Secondly there is a dowel with a relief around it in which an o-ring sits. This isn't machined deep enough so the o-ring cannot seal properly and gets damaged as the flange is tightened down. The cure is to remove the dowel and mill the groove a bit deeper. This was all covered in some training materials I recieved but I've been told by a factory representitive no less that this information isn't to be disseminated to the masses via the innerneck :roll: so you'd better check yer PM's.

Pete
 
It might be a good idea to check the condition of the main bearing itself. My bike had the over-long bolts but also this fault in the bearing... Not sure it added to the leak, but it sure needed replacing!!!
 

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john zibell said:
Wayne,

I haven't done one yet, but I would suspend the frame from the ceiling somehow, (maybe big ratchet straps) and make a cradle for a jack like this one http://www.sears.com/shc/s/p_10153_1260 ... ockType=G4 to lower the engine and transmission unit.
Click to expand...

That is what I an thinking, a wooden cradle and a jack with a large area. And of course the frame strapped to the ceiling.

Pete, I'm familiar with the long bolts (or is it short holes) and the oring groove.
I'm not 100% sure the oil is even coming from there. It runs down the sidestand, but doesn't appear to be coming from the drain slot. I have replaced both sump gaskets, and I'm pretty sure that isn't it. I'll need to get it on the lift and start stripping it soon.
Problem is that I don't know enough burly oafs.
 
Wayne Orwig said:
Problem is that I don't know enough burly oafs.
Click to expand...

Call me when you need a hand. You are only a few hours away. I can oaf around with the best of them.
 
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