Office of Steam Forum for Model & Toy Steam Gas & Hot Air Engines

Well, the correct o-rings came today. These are the 22x1 mm. Fluorine (green) rings I purchased on Amazon. They fit
perfectly and seem to provide a good seal. I turned over the engine at first and discovered the intake valve wasn't seating
properly this was soon remedied. I decided to put the o-ring on the first groove of the piston as it had been originally.
I started the engine and found that it runs well. It now runs cooler and I found I can run it with a slightly leaner setting
on the carb. Well I hope someone may find this useful.

Thanks

Paul