Honda CRF450R 2009 Owner's Manual & Competition Handbook page 62

Throttle
Throttle Inspection
1. Check that the throttle assembly is positioned
properly (the end of the throttle housing (1) is
aligned with the paint mark (2) on the
handlebar) and the securing bolts are tight.
(2)
(1)
(1) throttle housing (2) paint mark
2. Check for smooth rotation of the throttle (3)
from fully open to fully closed in all steering
positions. If there is a problem, see your
Honda dealer.
(3) throttle
56
Servicing Your Honda
3. Inspect the condition of the throttle cables
from the throttle grip down to the throttle
body. If the cable is kinked or chafed, have it
replaced.
4. Check the cables for tension or stress in all
steering positions.
5. Lubricate the cables with a
commercially available cable lubricant to
prevent premature rust and corrosion.
(3)