Honda CRF450R 2009 Service Manual page 285

CAM CHAIN TENSIONER LIFTER
IN SPECTION
Check the fifter operation:
- The tensioner shaft should not go into the tensioner
lifter body w hen it is pushed.
- When it is turned clockwise wi th a screwdriver, the
tensioner shaft should be pulled into the tensioner
lifter body. The tensioner shaft should spring out of
the tensioner lifter body as soon as the screwdriver
is released.
REPLACEMENT
CYLINDERIPISTON
SCREWDRIVER
TENSIONER LIFTER
1. Apply minimum 2 cc of engine oil to the groove
~-----------------,
portion of a new cam chain tensioner lifter.
2 . Remove Ihe stopper while holding the lifter portion
not to pop out the lifter portion suddenly.
3. Turn the cam chain tensioner holder clockwise fully
and lock the cam chain tensioner lifter by pushing
the handle .
Tum Ihe cam chain tensioner while holding the lifter
portion not to pop out the lifter portion suddenly.
TOOL:
Cam chain tensioner holder 070MG-0010100 or
07AMG-001A100
(U.S.A. only)
4 . Degrease the gasket mating surface of the cam
chain tensioner lifter.
5. Install the cam chain tensioner lifter (page 10-11 ).
LIFTER
PORTION
~· ~ 'tP\ \
STOPPER
10-9