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Discussion Starter · #1 ·
Just for grins, and not counting heads and cams in special models like the XR1200, lets talk about the upgrades to the sportster mill. I am sure I dont know of them all. Here are some I do remember

1) Base Gaskets - they used to leak - after several changes it appears they have ones that works

2) Cases - HD cheapened the cases sometime in the mid-late 90's and had a slew of them crack. They updated the cases and it seems the latest ones are the strongest yet.

3) Oil Pump - Has been upgraded at least three times

4) Crankshaft - They recently increased the crank pin diameter.

What else do you know of?
 
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