| RPC3814 | RPC3816 | RPC5220 | |
| Displacement | 38cc | 52cc | |
| Fuel Mixture Ratio | 25 : 1 | ||
| Fuel Tank Capacity | 310ml | 500ml | |
| Engine Oil Tank Capacity | 210ml | 240ml | |
| Ignition System | C.D.I | ||
| Guide Bar Size | 14" | 16" | 20" |
| Chain Pitch | 3/8" | ||
| Chain Gauge | 0.050" | 0.058" | |
| Nett Weight | 5.2kg | 6.7kg | |