[Ducati] 750 vs. 900 engine cases

[Garth Williams]

So from what you're saying, I can use the SBK engine cases too?


Garth

On Fri, May 2, 2008 at 6:30 AM, Kerry and Brad Black <
bikeboy at alphalink.com.au> wrote:

> 750 is a small stud spacing engine - same as all pantah, 600, 620, 695,
> 750 and 800.
>
> 900 is a 4v stud spacing (pre 996) engine - same as 748, 851, 888, 916 and
> ST2.
>
> the gearbox shafts are a lttle further apart on the bigger engines too -
> you can't fit a big engine gearset into a small engine.  the crank to input
> shaft and crank to timing shaft distance is the same tho.
>
> later small cases are stronger, but early ones are not as strong as 900
> style.  altho the later 900 or 4v style cases the better.  1999 or 2000 or
> so onwards are much stronger in many places where the 955 race era cases
> would crack.
>
> 2 phase alt 750, etc cranks are narrower than 900, etc cranks, excepting
> '88 851 and up to '91 900SS.  all later cranks are the same width, altho
> 750, etc have smaller big ends.  rods are same length as 4v, but not as
> strong.
>
> anything else you need to know?
>
> brad
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