Hi Dave,

I thought that the jet sizes were on the large size. As far as tuning work goes I am unsure as I had not taken any of the cyls off.
It still has standard expansion chambers and carbs and still is limited to 180 ish km/h

As for the 10,000 rpm problem, I reset the RC valves to factory settings and to rev through to the 12000 rpm redline. That is the good news!!!!!!!!!!

Now the bad news, it does not pull from the mid rpm range as well as it did prior to the adjustment.
I think that the large mains could contribute to this.

The next logical step is to disassemble and clean both RC valve assemblies and re lube the cables and reset as per the instructions. Will ask around to see who is a 2 stroke guru that can rejett and retune the bike.