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EAS23770
REMOVING THE ROCKER ARMS AND
CAMSHAFT
1. Loosen:
• Locknuts
• Valve clearance adjusting screws
2. Remove:
• Camshaft retainer "1"
3. Remove:
• Intake rocker arm shaft
• Exhaust rocker arm shaft
• Intake rocker arm
• Exhaust rocker arm
TIP
Remove the rocker arm shafts with the slide
hammer bolt "1" and weight "2".
Slide hammer bolt
90890-01083
Slide hammer bolt 6 mm
YU-01083-1
Weight
90890-01084
Weight
YU-01083-3
4. Remove:
• Camshaft
1
2
1
5-15
EAS23840
CHECKING THE CAMSHAFT
1. Check:
• Camshaft lobes
Blue discoloration/pitting/scratches → Re-
place the camshaft.
2. Measure:
• Camshaft lobe dimensions "a" and "b"
Out of specification → Replace the camshaft.
Camshaft lobe dimension limit
Intake A
43.300–43.400 mm (1.7047–
1.7087 in)
Limit
43.200 mm (1.7008 in)
Intake B
37.026–37.126 mm (1.4577–
1.4617 in)
Limit
36.926 mm (1.4538 in)
Exhaust A
43.129–43.229 mm (1.6980–
1.7019 in)
Limit
43.029 mm (1.6941 in)
Exhaust B
37.057–37.157 mm (1.4589–
1.4629 in)
Limit
36.957 mm (1.4550 in)
3. Measure:
• Camshaft runout
Out of specification → Replace.
CAMSHAFT
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