Checking The Coolant Circulatory System For Leaks; Adjusting The Clutch Lever Free Play - Yamaha YZ 2016 Series Owner's Service Manual

CHECKING THE COOLANT CIRCULATORY
EASB296077
SYSTEM FOR LEAKS
1. Check:
• Coolant level
2. Install:
• Radiator cap tester "1"
• Adapter "2"
Radiator cap tester
90890-01325
Mityvac cooling system tester kit
YU-24460-A
Radiator cap tester adapter
90890-01352
Pressure tester adapter
YU-33984
3. Activate the tester to apply the test pressure.
Test pressure value
196 kPa (1.96 kg/cm
ECA
NOTICE
• Do not apply such a high pressure as ex-
ceeds the test pressure.
• Make sure that a checkup after the cylin-
der head gasket is replaced is made after 3
minutes of warm-up.
• Make sure that coolant is filled up to the
upper level beforehand.
4. Check:
• Pressure value
No stay for 5 to 10 seconds at the test pres-
sure value  Correct.
• Radiator
• Radiator hose connections
Coolant leaks  Correct or replace.
• Radiator hoses
Bulges  Replace
EWA
WARNING
When the radiator cap tester is removed,
coolant will spout; therefore, cover it with a
cloth beforehand.
ADJUSTING THE CLUTCH LEVER FREE
EASB296078
PLAY
1. Check:
• Clutch lever free play "a"
Out of specification  Regulate.
2. Adjust:
• Clutch lever free play
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Handlebar side
a. Turn the adjuster "1" in direction "a" or "b"
until the specified clutch lever free play is ob-
tained.
Direction "a"
Clutch lever free play is increased.
Direction "b"
2
, 27.9 psi)
Clutch lever free play is decreased.
TIP
If the clutch lever free play cannot be obtained
on the handlebar side, use the adjuster on the
clutch cable side.
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Clutch cable side
a. Slide the clutch cable cover.
b. Loosen the locknut "1".
c. Turn the adjuster "2" in direction "a" or "b"
until the specified clutch lever free play is ob-
tained.
3-10
Clutch lever free play
7.0–12.0 mm (0.28–0.47 in)
b
1
a
ENGINE