Honda CRF250R 2018 Owner's Manual page 80

14. Make sure that the dowel pins (24) are installed
into the camshaft holder (25).
Coat a new O-ring (26) with engine oil and
install it onto the camshaft holder.
(24)
(25)
(24) dowel pins
(25) camshaft holder
(26) O-ring (new)
15. Apply engine oil to the camshaft holder A bolts
(27) and B bolts (28) threads and seating
surfaces.
Install the camshaft holder (25).
Install a new washers (29), the camshaft holder
A bolts and B bolts, and tighten the camshaft
holder A bolts and B bolts to the specified
torque:
10 lbf·ft (13 N·m, 1.3 kgf·m)
Install and tighten the rocker arm shaft stopper
bolt (11) to the specified torque:
7 lbf·ft (10 N·m, 1.0 kgf·m)
NOTICE
Do not let the camshaft holder A bolts, B bolts,
washers and rocker arm shaft stopper bolt fall into
the crankcase.
(27)
(26)
(25)
(11) rocker arm shaft stopper bolt
(25) camshaft holder
(27) camshaft holder A bolts
(28) camshaft holder B bolts
(29) washers (new)
16. Remove the tensioner stopper (30) from the
cam chain tensioner lifter (31).
• Tensioner stopper
(30) tensioner stopper
(31) cam chain tensioner lifter
17. Make sure that the piston is at TDC on the
(29)
(11)
(28)
(21) timing marks
(22) cylinder head mating surface
07AMG-001A100
18. Install a new sealing washer (32) and the cam
(30)
(31)
(32) sealing washer (new)
(33) cam chain tensioner lifter cover bolt
Valve Clearance
compression stroke (page 69).
Check that the timing marks (21) on the cam
sprockets aligns with the cylinder head mating
surface (22).
(21) (21)
Align Align
(22) (22)
chain tensioner lifter cover bolt (33) securely.
(33)
Servicing Your Honda
Align
(32)
(cont'd)
75