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. |
Use of sds diagnosis reset procedures
Note
the malfunction code is memorized in the
ecm also when the lead wire coupler of any
sensor is disconnected. Therefore, when a
lead wire coupler has been disconnected at
the time of diagnosis, erase the stored
malfunction history code using sds.
After repairing ...
Exhaust emission control system
description
The exhaust emission control system is composed of the pair system, exhaust
control system, ho2 sensor, threeway
catalyst system and isc system. The fresh air is drawn into the exhaust ports
through the pair control solenoid
valve and pair reed valves. The pair control solenoid valve is operat ...
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 ...