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 assemblyIap sensor removal and installation
Removal
Lift and support the fuel tank. Refer to “fuel tank
removal and installation” in section 1g (page 1g-
9).
Disconnect the coupler (1) and vacuum hose (2).
Remove the iap sensor (3) from the air cleaner box.
Installation
Install the iap sensor in the reverse ord ...
Cylinder head disassembly and assembly
Refer to “engine top side disassembly” .
Refer to “engine top side assembly” .
Caution
identify the position of each removed part.
Organize the parts in their respective groups
(i.E., Intake, exhaust, no. 1 Or no. 2) So that
they can be installed in their original
locations ...
Ect sensor removal and installation
Removal
Remove the left side cowling. Refer to “exterior parts removal and
installation” in section 9d .
Drain engine coolant. Refer to “cooling system inspection” in section
0b .
Disconnect the coupler and remove the ect sensor
(1).
Caution
take special care ...