Inspect the oil pump in the following procedures:
| Caution do not attempt to disassemble the oil pump. The oil pump is available only as an assembly. |

Oil pump drive sprocket removal and installation
Refer to “engine bottom side disassembly” in section 1d and “engine bottom side assembly” in section 1d .
Oil pump removal and installation
SpecificationsInjection timing description
Injection time (injection volume)
The factors to determine the injection time include the basic fuel injection
time, which is calculated on the basis of the
intake air pressure, engine speed and throttle opening angle, and various
compensations. These compensations are
determined according to ...
Engine assembly installation
Install the engine in the reverse order of engine removal.
Pay attention to the following points:
before installing the engine, install the collars (1).
Before installing the engine, install the engine
mounting thrust adjusters (2).
Gradually raise the rear side of ...
Specifications
Tightening torque specifications
Note
the specified tightening torque is described in the following.
“Handlebar components” “steering components” “steering
damper construction”
Reference: for the tightening torque of fastener not specified in this
section ...