3C7-87123-0 Tohatsu PISTON RING SET (STD)

Table 1
Required Tools
Tool Part Number Part Description
A 9S-3263 Thread Lock Compound Note: If the engine front housing is replaced, ensure that a new emissions label is installed. Installation of the Throttle Control
Illustration 1 g01114382
Typical example
Install the O-ring (6) to the shaft of the lever (7).
Lubricate the O-ring (6) and the shaft of the lever (7) with clean engine oil. Install the lever (7) into the front housing (8).
Install the C-clip (5) onto the shaft of the lever (7).
Install the arm for the throttle control (3) onto the lever (7). Tighten the nut (1) and bolt (4) to a torque of 9 N m (7 lb ft). Installation of the linkage for the Fuel Injection Pump
If necessary, perform the following procedure to install the angleich unit (15) to the lever assembly (11).
Illustration 2 g01114377
Apply 9S-3263 Thread Lock Compond to the first two threads of the angleich unit (18).
Install the angleich unit (18) to the lever assembly (11). Tighten the angleich unit to a torque of 5 N m (44 lb in). Note: Ensure that no 9S-3263 Thread Lock Compond is allowed to contaminate the plunger assembly of the angleich unit. Contamination of the plunger assembly will render the angleich unit inoperative.
Personal injury can result from being struck by parts propelled by a released spring force.Make sure to wear all necessary protective equipment.Follow the recommended procedure and use all recommended tooling to release the spring force.
Illustration 3 g01114562
Typical example
Install the spring (10) to the lever assembly (11).
Install the O-ring (13) to the shaft (12). Lubricate the shaft with clean oil.
Position the lever assembly (11) in the front housing (8). Install the shaft (12) to outside of the front housing (8). Note: Ensure that the groove for the C-clip (16) in the shaft (12) is positioned between the boss (15) on the front housing and the cast retainer (17) on the front housing (8).
Install the C-clip (14) to the shaft (12).
Illustration 4 g01114380
Typical example
Attach the spring (10) to the notch on the inside of the front housing (8).
Install the spring (9) to the lever assembly (11).
Attach the spring (9) to the lever (7). Installation of the Stop Control
Illustration 5 g01114606
Typical example
Install the C-clip (26) and install the O-ring (25) to the arm (27).
Lubricate the O-ring (25) and the shaft of the arm (27) with clean oil. Install the arm assembly (27) to the front housing.
Place the spring (24) and the washer (23) onto the arm (27). Install the nut (22) onto the arm (27).
Install the lever (21) onto the arm (27).
Install the washer (20) and the nut (19) onto the arm (27). Tighten the nuts (19) and (22) to a torque of 10 N m (7 lb ft). Installation of the PTO Cover
Illustration 6 g01114607
Typical example
Note: The O-ring (32) and the plate (33) are not installed on the C0.5 and C0.7 engines.
For C1.1/3011C, C1.5/3013C, C1.6, C2.2/3024C and C2.2/3024CT engines, install the O-ring (32) to the groove in the front housing (31).
Install a new joint (30) to the rear of the front housing.
For C1.1/3011C, C1.5/3013C, C1.6, C2.2/3024C and C2.2/3024CT engines, install the plates (29) and (33). For C0.5 and C0.7 engines, install the plate (29).
Install the nuts (28) and the bolts (34) for the PTO cover. Tighten the nuts to a torque of 13 N m (10 lb ft). End By:
Install the front housing to the engine. Refer to Disassembly and Assembly, "Housing (Front) Install" for more information.
Check the maximum engine speed at no load. Refer to Testing and Adjusting, "Engine Speed - Check" for more information.