Honda CRF450R 2017, Руководство пользователя и соревновательное пособие

Страница: 72 / 172

Valve Clearance
(cont’d)
Servicing Your Honda
67
1. Set the piston at TDC on the compression
stroke (page 66).
2. Measure the intake valve clearances by
inserting a feeler gauge (1) between the intake
rocker arms (2) and camshaft cam lobes (3).
NOTICE
Be careful not to damage or shock the intake
rocker arms.
Valve Clearance:
3. Measure the exhaust valve clearances by
inserting a feeler gauge (1) between the
exhaust rocker arms (4) and shims (5).
Valve Clearance:
If intake valve clearance and exhaust valve
clearance need adjustment, see Camshaft Removal
(this page) and select the correct shim for each
valve.
1. Record the intake valve and exhaust valve
clearances (this page).
Make sure the piston is at TDC on the
compression stroke (page 66).
2. Remove the cam chain tensioner lifter cover
bolt (1) and sealing washer (2).
Valve Clearance Inspection
(1) feeler gauge (3) camshaft cam lobes
(2) intake rocker arms
IN: 0.005 ± 0.001 in (0.13 ± 0.03 mm)
(3)
(1)
(2)
(3) (1)
(3)
(2)
(1) feeler gauge (5) valve shims
(4) exhaust rocker arms
EX: 0.011 ± 0.001 in (0.28 ± 0.03 mm)
(5)
(1)
(4)
(5)
(1)
(4)
(5)
(4)
Camshaft Removal
(1) cam chain tensioner lifter cover bolt
(2) sealing washer
(1)
(2)
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