The old stock moby pullers are notoriously awful and easy to smear or break. They are also notoriously hard to track down at times. However, on can find pullers manufactured for Honda, Suzuki Kawasaki, chainsaws etc that will work fine/
The Variator puller = 24mm diameter x 1mm thread pitch (Male) The Magneto puller = 26mm diameter x 1mm thread pitch (Male)
You don't really end up saving money, but you do end up with a higher quality, longer living puller in general than the NOS pullers out there. Ebay is a great place to start, just type in "24mm flywheel puller"