Checking The Crankcase Breather Hose; Checking The Engine Idling Speed - Yamaha MTN1000 2016 Service Manual

journals.
• First, install the exhaust camshaft.
• Align the camshaft sprocket marks with the cyl-
inder head surface.
• If the camshaft cap bolt is a new one, it is not
necessary to apply engine oil onto the mating
surface and threads of the bolt.
• If the camshaft cap bolt is a new one, tighten it
to 10 N·m (1.0 kgf·m, 7.2 lb·ft).
• Turn the crankshaft counterclockwise several
full turns to seat the parts.
h. Measure the valve clearance again.
i. If the valve clearance is still out of specifica-
tion, repeat all of the valve clearance adjust-
ment steps until the specified clearance is
obtained.
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7. Install:
• All removed parts
TIP
For installation, reverse the removal procedure.
EAS30800
CHECKING THE CRANKCASE BREATHER
HOSE
1. Remove:
• Rider seat
• Air scoop/Air scoop stay
Refer to "GENERAL CHASSIS (1)" on page
4-1.
• Fuel tank cover
Refer to "GENERAL CHASSIS (2)" on page
4-13.
• Fuel tank
Refer to "FUEL TANK" on page 7-1.
2. Check:
• Crankcase breather hose "1"
Cracks/damage  Replace.
Loose connection  Connect properly.
ECA13450
NOTICE
Make sure the crankcase breather hose is
routed correctly.
PERIODIC MAINTENANCE
1
3. Install:
• Fuel tank
Refer to "FUEL TANK" on page 7-1.
• Fuel tank cover
Refer to "GENERAL CHASSIS (2)" on page
4-13.
• Air scoop stay/Air scoop
• Rider seat
Refer to "GENERAL CHASSIS (1)" on page
4-1.
EAS31017

CHECKING THE ENGINE IDLING SPEED

TIP
Prior to checking the engine idling speed, the
throttle body synchronization should be adjusted
properly, the air filter element should be clean,
and the engine should have adequate compres-
sion.
1. Start the engine and let it warm up for several
minutes.
2. Check:
• Engine idling speed
Out of specification  Go to next step.
Engine idling speed
1200–1400 r/min
3. Check:
• ISC (Idle Speed Control) learning value
"00" or "01"  Check the intake system.
"02"  Clean the throttle bodies.
Refer to "CHECKING AND CLEANING THE
THROTTLE BODIES" on page 7-8.
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a. Connect the Yamaha diagnostic tool.
Use the diagnostic code number "67".
Refer to "SELF-DIAGNOSTIC FUNCTION
AND DIAGNOSTIC CODE TABLE" on page
9-5.
b. Check the ISC (Idle Speed Control) leaning
value.
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