Engine Specifications: 4CMHS & 4CMHL
* Please note that this motor has previously been branded as a 5CMHS, however due to certain international regulation, it has been rebadged into a 4HP. This engine will still deliver the same performance as the previous 5HP
| Engine Type | 1-cylinder |
| Displacement | 103cm³ |
| Bore x Stroke | 54.0 x 45.0mm |
| Compression ratio | 6.5:1 |
| Starting enrichment | Manual choke |
| Scavenging | Cross Flow |
| Fuel induction system | 1 Carburettors |
| Lubrication system | Pre-mixed Fuel and Oil |
| Oil-Fuel Mixing Ratio | 50:1 |
| Engine oil capacity | – |
| Ignition system | CDI |
| Ignition timing | BTDC 5.0 – 28.0 deg. |
| Spark plug | B7HS, BR7HS |
| Alternator | 60 W (optional) |
| Cooling system | Raw-water, thermostatically controlled |
| Exhaust system | Under Water |
| Dry weight | 21 – 22kg |