[Ducati] 2 into 1 exhaust for 900SS? (Kevin going to dark side

[D888SPOLTD at aol.com]

Agreed on the wheels, most bang for the buck.  Although BST's are stretching 
it as well as most people's wallets. Well, my wallet at least.  I have five 
spoke Marchesini mags and they were money well spent.  I need a front five spoke 
if anyone has one lying about for my other bike and wants to sell it.  
Already bought the rear but cast five spokes are going by the way side as production 
moved on to the 5/10 Y spoked forged hoops. Nice looking but not what I 
prefer.
 
Why did you go with the 39's instead of the 41mm's with a 944 kit?   It seems 
a bit restrictive for the bigger bore.
 
W
 
 
 
In a message dated 11/22/2007 4:56:08 PM Eastern Standard Time, 
jhundertmark at comcast.net writes:

I've got a 95 900 SS with 944, high compression, 39 mm Keihns & the Nichols 
light (12 oz if I remember correctly).  On the track or power touring 
through the afar neighborhoods it was fine, although, it needed to be kept 
over 4000 RPM to avoid unpleasant snatching.

When I put on a set of BST wheels, the most noticeable change was the 
improvement in low RPM tractability (more noticeable than easier turn in). 
After doing a little bit of thinking, I realized that the improvement was 
due to the reduction in large flywheel (wheel) that is slightly out of phase 
with the engine (due to chain variation).  The BST wheel was an eight pound 
reduction (not to mention the decrease in inertia due to significantly 
reduced mass at wheel OD).  And I won't go into the smoother shifting & 
reduced tendency to lock the rear wheel during downshifting.

Bottom line - I recommend the lighter flywheel & would do it again.

Jack Hundertmark





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