NOTE:
EGR valve is installed to other than KA model.
1. Remove the collector cover.
2. Disconnect the ground cable from the battery.
3. Remove the air intake chamber. 
4. Remove the starter.
5. Remove the EGR pipe from EGR valve and cylinder head.
6. Remove the EGR valve from intake manifold.
7. Disconnect the connector from the EGR valve.