Subaru EH72-2D Service Information

2. FEATURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

1. SPECIFICATIONS Model EH72-2D Type Air-Cooled, 4-Stroke, V-Twin Cylinder, Horizontal P.T.O. shaft, . OHV Gasoline Engine Number of Cylinders - Bore×Stroke mm (in.) 2 - 84 × 65 (3.31 × 2.56) Displacement ml (cu.in.) 720 (43.9) Compression Ratio 8.7 Continuous Output kW(HP)/r.p.m. 14.2 (19.0) / 3600 Maximum Output kW(HP)/r.p.m. Gross : 18.7 (25.0) / ...

2. FEATURES HIGH OUTPUT, TORQUE AND DURABILITY 720cc displacement which is the largest among 25 horsepower classed engines, produces high torque from the low speed range. High durability with less than 1% horsepower drop after 300 hours of full-throttle operation. Furthermore, the new generation of EH72 (EH72-2) has achieved higher output by adopting . ...

3. DISASSEMBLY AND REASSEMBLY 3-1 PREPARATIONS AND SUGGESTIONS (1) When disassembling the engine, memorize the locations of individual parts so that they can be reassembled correctly. If you are uncertain of identifying some parts, it is suggested that tags be attached to them. (2) Have boxes ready to keep disassembled parts by group. (3) To preven ...

3-3 DISASSEMBLY PROCEDURES (DIFFERENCE) Step Parts to remove Remarks and procedures Parts Fasteners 8 Chock control lever and link (1) Disconnect the choke rod holder and remove the choke control rod. (See Fig. 3-1) (2) Remove the choke knob. CONTROL BOX CHOKE CONTROL ROD RETURN SPRING LINK PIVOT CHOKE CONTROL LINK CHOKE KNOB CLAMP M5 TAPPING SCREW ...

Step Parts to remove Remarks and procedures Parts Fasteners 9 Carburetor (1) At first remove fuel pipe. (See Fig.3-2). (2) Remove the governor rod spring from rod holder.. (3) Pick up the rod holder and remove the governor rod. (See Fig.3-3) (4) Remove the nuts, adapter and Carburetor from the intake manifold. (See Fig.3-4) . . . M6 Flange nut : 4p ...

22) CARBURETOR Set gasket onto intake manifold and install carburetor. M6 Flange nut : 4pcs. 23) CHOKE CONTROL Attach chock control link between carburetor chock lever and chock control lever. Attach governor spring between governor lever and speed control lever. 3-4 REASSEMBLY PROCEDURES (DIFFERENCE) #2 CYLINDER SIDE SPARK PLUG CAP GROMMT (PLUG CAP) ...

25) SPEED CONTROL LEVER (1) Install speed control bracket onto intake manifold. (2) Attach return spring, spacer, friction washer, wing nut, etc. to speed control lever as shown in the ilustration. (3) Connect governor spring to governor lever and speed control lever. STOP PLATE SPRING WASHER SPEED CONTROL LEVER M6 FLANGE BOLT M6 SELF LOCK NUT FRIC ...