Oil jet removal and installation

1. 1
   Remove the engine assembly. Refer to “engine assembly removal” in section 1d .
2. 2
   Remove the crankshaft assembly. Refer to “engine bottom side disassembly” in section 1d (page 1d- 49).
3. 3
   Remove the piston cooling oil jets (1) from the upper crankcase.

   

Installation is in the reverse order of removal. Pay attention to the following points:

• fit new o-ring (1) to each piston cooling oil jet and apply engine oil to it.

Caution use new o-rings to prevent oil pressure leakage.

• Apply a small quantity of thread lock to the bolts and tighten them to the specified torque.

: Thread lock cement
99000–32110 (thread lock cement super “1322” or equivalent)

1. 1
   Remove the throttle body. Refer to “throttle body removal and installation” in section 1d (page 1d- 10).
2. 2
   Remove the regulator/rectifier. Refer to “regulator / rectifier removal and installation” in section 1j .
3. 3
   Remove the cam chain tension adjuster (1). Refer to “engine top side disassembly” in section 1d .

   

4. Remove the oil jet (2) (for cam chain tension adjuster).

Installation is in the reverse order of removal. Pay attention to the following points:

• apply engine oil to the o-ring.

Caution use a new o-ring to prevent oil leakage.

• Install the cam chain tension adjuster. Refer to “engine top side assembly” in section 1d (page 1d- 28).
• Install the regulator/rectifier. Refer to “regulator / rectifier removal and installation” in section 1j .
• Install the throttle body. Refer to “throttle body removal and installation” in section 1d (page 1d- 10).

1. 1
   Remove the engine assembly. Refer to “engine assembly removal” in section 1d .
2. 2
   Separate the crankcases, upper and lower. Refer to “engine bottom side disassembly” in section 1d .
3. 3
   Remove the oil jet (1) (for transmission) from the lower crankcase.

   

Installation is in the reverse order of removal. Refer to “engine bottom side assembly” in section 1d .