Product Manual

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89
RD12A/12K Technical Data—RD12A (Gasoline)
11 Technical Data—RD12A (Gasoline)
11.1 Engine
1
Net power rating per SAE J1349. Actual power output may vary due to conditions of specific
use.
Machine RD12A
Engine
Engine type 4-stroke, 2 cylinder, air cooled
Engine make Honda
Engine model GX 630
Max. rated power @ rated speed
1
kW (hp) 15.5 (20.8) @ 3,600 rpm
Displacement cm³ (in³) 688 (42)
Spark plug (NGK) ZFR5F
Electrode gap mm
(in.)
0.7-0.8
(0.028-0.031)
Engine speed - operating rpm 3,100
Valve clearance (cold)
intake:
exhaust:
mm
(in.)
mm
(in.)
0.06-0.10
(0.002-0.004)
0.08-0.12
(0.003-0.005)
Battery U1
12VDC
30AH
350A
Air cleaner type Dry pleated paper element
Fuel type Regular unleaded gasoline
Fuel tank capacity L (gal) 23.8 (6.3)
Fuel consumption L (gal)/hr Up to 6.0 (1.59)
Engine oil type
L (qt)
10W30 SJ or higher
1.9 (2.0)