It is unnecessary to remove the engine assembly from the frame when servicing the cylinder head cover and camshafts.
| Note before servicing the engine top side components (until camshafts removal) with the engine in place, remove the following parts:
Other parts except for these “engine top side components” can not be serviced with the engine installed in the frame. Refer to “engine assembly removal” and “engine assembly installation” . |
| Caution identify the position of each removed part. Organize the parts in their respective groups (e.G., Intake, exhaust) so that they can be reinstalled in their original positions. |
Cylinder head cover


Camshafts






| Caution be sure to loosen the camshaft journal holder bolts evenly by shifting the wrench in the descending order of numbers. |


Cylinder head
| Note the cylinder head can not be serviced with the engine installed in the frame. |


| Note when loosening the cylinder head bolts, loosen each bolt little by little diagonally. |


Engine assembly installation
Engine top side assemblyCooling fan relay inspection
Inspect the fan relay in the following procedures:
remove the frame covers. Refer to “exterior parts
removal and installation” in section 9d (page 9d-
6).
Remove the cooling fan relay (1).
First check the insulation between “a” and “b”
terminals with tester. Then ap ...
Precautions
Precautions for driveline / axle
Refer to “general precautions” in section 00 (page 00-1).
Never inspect or
adjust the drive chain while the engine is running.
Caution
do not use trichloroethylene, gasoline or such similar
solvent. These fluids will d ...
Oil jet inspection
Refer to “oil jet removal and installation” .
Oil jet
Make sure that the oil jets are not clogged. If they are
clogged, clean their oil passage using a wire of the
proper size and compressed air.
Piston cooling jet
Oil jet (for transmission)
Oil jet (for cam chain te ...