yeah i plan on keeping the forks, but you might want to take another look at the RZ top case where the cylinders set down on them.
If you set Banshee cylinders on RZ cases and take a look under the cylinder in the front of the motor you will notice that the rubber water plug that is on the bottom of the banshee cylinder is kinda hanging out there in the middle of nowhere. I just didnt want to get a good 4mm motor together and have that thing blow out. As for a tach you just need some older banshee cases. They still have the holes for the tach. I think they would be before 95.
If you can take a look at that set up and let me know what you think.
Later
Joe