My savage was born a 1987 Suzuki Savage LS400.It was degined for the asian market due to tighter cc restrctions.So a simple design changed was needed.Some of these made there way down our way.{NZ}Aparently not sold new but personally imported.
I swapped the engine with a 1988 LS650 with no trouble at all.
The 400 just layed around the garage floor until recently. I have always wondered what separated the 400 from the 650. So I decided to open it up to see what made it tick. I had been told that the only difference was the BORE ans STROKE. After removing the head I have measured the piston and Bore 87 ,and in the pic I have marked 87,94.
The conrod has the markings 25B on it which I think is different to the 650 rod.
So I wonder if I bore out to a 94mm with a shorter stroke how would it compare to a 94mm with a stock conrod. Its hard to articulate what i'm trying to say.
More or less HP?
This link is not very organised i'm Afraid.
http://s1300.photobucket.com/user/PaulMarshall1977/library/?sort=2&page=1