Here is the motor I am working on the bench. To minimize downtime trying to get another daily done first.
1982 Honda MB666
1980 CR80R 6 speed transmission
Polini 66cc kit
NSR50R 4 petal reeds
Barnett Kevlar Clutches and stiff springs
Racing Crank
Bolt on intake for 20/24mm mikuni, plastic riser for 4 petals
22 mm mikuni carb
Delete oil gear and pump
New bearings and seals
Homoet 70cc pipe
Trailtech temp gauge
IRC tires
Biggest front and smallest rear sprocket combo that it will pull (edited)