Full Mod Zenoah G260PUM Motor

This is our full mod Zenoh G260PUM motor . To start we completely tear down the engine and do the following mods:

1. Deck the cylinder for higher compression with out using a thinner base gasket

2. Reshape piston

3. Lighten the piston

4. Relieve the piston to prevent seizing

5. Modify the intake port for better flow

6. Adjust intake timing to our specs

7. Resurface all ports

8. Modify transfer ports for better flow

9. Enlarge and reshape exhaust port

10. Adjust the exhaust timing to our specs

11. Install zero drag seals

12. Install all new gaskets and c-clips when engine is assembled

13. Install Wt-813 carb