| The one under my 955 engine is 500mm long and 260mm wide on the base, its 100mm high to where the engine sits where this 2nd floor so to speak is again 500mm long but is narrower with a gap of 200mm for the sump to drop into and rest on, at one end there are two plates with a 10mm hole welded on that line up with the rear engine mount and these are 205mm apart
hope that helps.
Kev | 
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