User Manual - Page 94

For 2020 CRF250R.

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Valve Clearance
(cont’d)
Servicing Your Honda 89
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.
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.
16. Remove the tensioner stopper (30) from the
cam chain tensioner lifter (31).
Tensioner stopper 07AMG-001A100
17. Make sure that the piston is at TDC on the
compression stroke (page 83).
Check that the timing marks (21) on the cam
sprockets aligns with the cylinder head mating
surface (22).
18. Install a new sealing washer (32) and the cam
chain tensioner lifter cover bolt (33) securely.
(24) dowel pins
(25) camshaft holder
(26) O-ring (new)
(24)
(26)
(25)
(11) rocker arm shaft stopper bolt
(25) camshaft holder
(27) camshaft holder A bolts
(28) camshaft holder B bolts
(29) washers (new)
(30) tensioner stopper
(31) cam chain tensioner lifter
(25)
(11)
(27) (29)
(28)
(30)
(31)
(21) timing marks
(22) cylinder head mating surface
(32) sealing washer (new)
(33) cam chain tensioner lifter cover bolt
(21)(21)
(22)
Align
(22)
Align Align
(33)
(32)
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