Today in the mail I recieved a new hot camshaft for the 90 that I had won on ebay. Didn't have much info when I bought it about timing and lift, So I was hoping it would be different from the hotcam I allready had. And I was lucky.
From left ro right: original S90 cam, hotcam #1, hotcam #2
More lift and duration, looking forward to building the 90 engine again, it has been on a bit of a standstill.
The racers needed work and I am making new handlebars for my moped, time is scrace during racing season.