Honda AQUATRAX R-12X 2005 Owner's Manual page 147

To lubricate and rustproof the inside of the
throttle body, proceed as follows after
confirming that the engine is stopped and
cool.
1. Remove the seat (page
ENGINE COMPARTMENT
117).
2. Disconnect the maintenance joint (1).
ENGINE COMPARTMENT
(2)
(1) maintenance joint
(2) joint hole A
(3) joint hole B
Servicing Your Honda
Lubrication
(3)
(1)
(cont'd)
139