Checking The Camshaft Sprockets; Checking The Timing Chain Guides; Checking The Timing Chain Tensioner - Yamaha TMAX XP530E-A 2017 Service Manual

with the Plastigauge®.
Camshaft cap bolt
10 N·m (1.0 kgf·m, 7.4 lb·ft)
d. Remove the camshaft caps and then mea-
sure the width of the Plastigauge® "1".
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5. Measure:
• Camshaft journal diameter "a"
Out of specification  Replace the camshaft.
Within specification  Replace the cylinder
head and the camshaft caps as a set.
Camshaft journal diameter
22.959–22.972 mm (0.9039–
0.9044 in)
EAS30936

CHECKING THE CAMSHAFT SPROCKETS

The following procedure applies to both of the
camshaft sprockets.
1. Check:
• Camshaft sprocket
More than 1/4 tooth wear "a" Replace the
camshafts and the timing chain as a set.
1
EAS30265

CHECKING THE TIMING CHAIN GUIDES

1. Check:
EAS30266

CHECKING THE TIMING CHAIN TENSIONER

1. Check:
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a. Push the timing chain tensioner rod "1" into
TIP
While pushing the timing chain tensioner rod "a",
turn it clockwise "b" with the timing chain ten-
sioner body "2" until it stops.
5-11
a. 1/4 tooth
b. Correct
1. Timing chain
2. Camshaft sprocket
• Timing chain guide (intake side) "1"
• Timing chain guide (exhaust side) "2"
• Timing chain guide (upper side) "3"
Damage/wear  Replace the defective
part(s).
• Timing chain tensioner
Cracks/damage  Replace.
the timing chain tensioner housing by hand.
CAMSHAFTS