Lesviffer750 wrote:I think Andy Sawford at St Neots Motorcycles is rebuilding Nx5 and Nxa cranks, I do know that they rebuilt a 92 NF5 with a NX5 crank , but that involved a fair bit of work if I remember. .

I did ask Andy about this. They used the VHM NX5 con rod kits and NX5 pistons (15mm small end as opposed to 14mm on the NF5) and machined the barrels to correct the deck height, the crank builder they use is in Holland.

It would be pretty cool to get a bunch of 250 gp bike out on track