Inquiry about 51.7cc 2-Stroke Gasoline Engine 1E44F-5 NEW

We are a manufacturer looking for a 52cc 2-stroke gasoline engine for long-term production. We are interested in your 1E44F-5 51.7cc engine. Before discussing order quantity and price, we need to confirm the engine specifications because we will install a gearbox on it. Please provide: 1. Exact engine model 2. Crankshaft diameter and length 3. Crankshaft thread size 4. Engine mounting hole dimensions 5. Clutch type and dimensions 6. Clutch drum diameter 7. Maximum RPM 8. Rotation direction 9. Engine weight 10. Real photos of the crankshaft, clutch and mounting points We need an existing mass-production engine, not a custom-developed one. Please also send your engine catalogue with other 50–52cc models if possible. We can start with 100 pcs for testing, and if suitable, our regular quantity will be 500–1000 pcs.