SRPW-4200
- Engine Model: SR 420
- Engine Type: OHV, 25degrees single cylinder, four stroke, air cooling OHV
- Starting System: Recoil start
- Displacement: 420 ml
- Max. output: 8.5 kw/3600rpm
- Fuel Capacity: 6.5 L
- Oil Capacity: 1.1 L
- Pump Condition: Copper crankshaft pump
- Without load: 3780 (+/-) 50 rpm
- With load: >3400 rpm
- Open gun point pressure: 3900psi/269bar
- Open gun pump pressure: 4200psi/290bar
- Closed gun point pressure: 4500psi/310bar
- Open gun point flux: 3.8/14.3 (gpm/L/min)
