| Engine | Displacement | Power output (max.) |
| EA-series |
| EA175V | 174 cc (10.62 cu.in.) | 4.5 HP at 3,600 rpm |
| EA190V | 189 cc (11.53 cu.in.) | 5.5 HP at 3,600 rpm |
| EC-series |
| EC02A | – cc (- cu.in.) | – HP at 4,000 rpm |
| EC02R | – cc (- cu.in.) | – HP at 4,000 rpm |
| EC022GR | – cc (- cu.in.) | – HP at 4,000 rpm |
| EC025GR | – cc (- cu.in.) | – HP at 4,000 rpm |
| EC03ER | – cc (- cu.in.) | – HP at 4,000 rpm |
| EC04ER | – cc (- cu.in.) | – HP at 4,000 rpm |
| EC05-2 | – cc (- cu.in.) | – HP at 4,000 rpm |
| EC06D | 60.8 cc (3.72 cu.in.) | 2.5 HP at 5,000 rpm |
| EC06B | 60.8 cc (3.72 cu.in.) | 2.5 HP at 2,000 rpm |
| EC07-2 | – cc (- cu.in.) | – HP at 4,000 rpm |
| EC08D | 78.5 cc (4.82 cu.in.) | 3.3 HP at 5,500 rpm |
| EC08B | 78.5 cc (4.82 cu.in.) | 3.3 HP at 2,200 rpm |
| EC10D | – cc (- cu.in.) | – HP at 4,000 rpm |
| EC12 | – cc (- cu.in.) | – HP at 4,000 rpm |
| EC13V | – cc (- cu.in.) | – HP at 4,000 rpm |
| EC17 | – cc (- cu.in.) | – HP at 4,000 rpm |
| EC25-2 | – cc (- cu.in.) | – HP at 4,000 rpm |
| EH-series |
| EH025 | – cc (- cu.in.) | – HP at 4,000 rpm |
| EH035 | – cc (- cu.in.) | – HP at 4,000 rpm |
| EH09 | – cc (- cu.in.) | – HP at 4,000 rpm |
| EH11 | – cc (- cu.in.) | – HP at 4,000 rpm |
| EH12-2 Rammer | – cc (- cu.in.) | – HP at 4,000 rpm |
| EH15 | – cc (- cu.in.) | – HP at 4,000 rpm |
| EH17-2 | – cc (- cu.in.) | – HP at 4,000 rpm |
| EH21 | – cc (- cu.in.) | – HP at 4,000 rpm |
| EH30V | – cc (- cu.in.) | – HP at 4,000 rpm |
| EH34V | – cc (- cu.in.) | – HP at 4,000 rpm |
| EH36 | – cc (- cu.in.) | – HP at 4,000 rpm |
| EH41 | – cc (- cu.in.) | – HP at 4,000 rpm |
| EH43V | – cc (- cu.in.) | – HP at 4,000 rpm |
| EH63D | – cc (- cu.in.) | – HP at 4,000 rpm |
| EH63V | – cc (- cu.in.) | – HP at 4,000 rpm |
| EH64D | – cc (- cu.in.) | – HP at 4,000 rpm |
| EH65D | – cc (- cu.in.) | – HP at 4,000 rpm |
| EH65V | – cc (- cu.in.) | – HP at 4,000 rpm |
| EH72D | – cc (- cu.in.) | – HP at 4,000 rpm |
| EH72 LP/NG | – cc (- cu.in.) | – HP at 4,000 rpm |
| EH72 FI | – cc (- cu.in.) | – HP at 4,000 rpm |
| EH90 | – cc (- cu.in.) | – HP at 4,000 rpm |
| EH99 | – cc (- cu.in.) | – HP at 4,000 rpm |
| EX-series |
| EX13D | 126 cc (7.69 cu.in.) | 4.3 HP at 4,000 rpm |
| EX17D | 169 cc (10.31 cu.in.) | 5.7 HP at 4,000 rpm |
| EX21D | 211 cc (12.88 cu.in.) | 7.0 HP at 4,000 rpm |
| EX27D | 265 cc (16.17 cu.in.) | 9.0 HP at 4,000 rpm |
| EX30D | 287 cc (17.51 cu.in.) | 9.0 HP at 4,000 rpm |
| EX35D | 404 cc (24.65 cu.in.) | 10.0 HP at 3,600 rpm |
| EX40D | 404 cc (24.65 cu.in.) | 12.0 HP at 3,600 rpm |
| EY-series |
| EY08 | – cc (- cu.in.) | – HP at 4,000 rpm |
| EY14 | – cc (- cu.in.) | – HP at 4,000 rpm |
| EY15 | – cc (- cu.in.) | – HP at 4,000 rpm |
| EY15V | – cc (- cu.in.) | – HP at 4,000 rpm |
| EY18 | – cc (- cu.in.) | – HP at 4,000 rpm |
| EY20 | – cc (- cu.in.) | – HP at 4,000 rpm |
| EY20V | – cc (- cu.in.) | – HP at 4,000 rpm |
| EY21 | – cc (- cu.in.) | – HP at 4,000 rpm |
| EY23 | – cc (- cu.in.) | – HP at 4,000 rpm |
| EY25 | – cc (- cu.in.) | – HP at 4,000 rpm |
| EY27 | – cc (- cu.in.) | – HP at 4,000 rpm |
| EY28 | – cc (- cu.in.) | – HP at 4,000 rpm |
| EY28 | – cc (- cu.in.) | – HP at 4,000 rpm |
| EY35 | – cc (- cu.in.) | – HP at 4,000 rpm |
| EY40 | – cc (- cu.in.) | – HP at 4,000 rpm |
| EY44 | – cc (- cu.in.) | – HP at 4,000 rpm |
| EY45V | – cc (- cu.in.) | – HP at 4,000 rpm |
| SP-series |
| SP170 | 169 cc (10.31 cu.in.) | 5.7 HP at 4,000 rpm |
| SP210 | 211 cc (12.88 cu.in.) | 7.0 HP at 4,000 rpm |
| SX-series |
| SX17 | – cc (- cu.in.) | – HP at 4,000 rpm |
| SX21 | – cc (- cu.in.) | – HP at 4,000 rpm |
| SX30 | – cc (- cu.in.) | – HP at 4,000 rpm |
| DY-series |
| DY23 | – cc (- cu.in.) | – HP at 4,000 rpm |
| DY27 | – cc (- cu.in.) | – HP at 4,000 rpm |
| DY30 | – cc (- cu.in.) | – HP at 4,000 rpm |
| DY35 | – cc (- cu.in.) | – HP at 4,000 rpm |
| DY41 | – cc (- cu.in.) | – HP at 4,000 rpm |
