2018 YAMAHA XMAX 125 torque

Instrument and control functions
4-23
4 3. Remove the bolts, and then install
the bolts in the desired position.
4. Install the windshield to the high
position by installing the bolts, and
then tighten the bolts to the spec-
ified torque. WARNING! A loose
windshield could cause an acci-
dent. Be sure to tighten the
screws to the specified torque.
[EWA15511]
5. Place the bolt access covers, and
then install the quick fasteners.
To change the windshield height to
the low position
1. Remove the bolt access covers by
removing the quick fasteners.
2. Remove the windshield by remov-
ing the bolts.
3. Remove the bolts, and then install
the bolts in the desired position.
1. Bolt
1. Bolt
1. Bolt
1
1
1
1
1
1
1. Bolt
Tightening torque:
Windshield bolt:
8 N·m (0.8 kgf·m, 5.9 lb·ft)
1. Bolt access cover
2. Quick fastener
1
1
ZAUM1518
1
2
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Instrument and control functions
4-24
4
4. Install the windshield to the low
position by installing the bolts, and
then tighten the bolts to the spec-
ified torque. WARNING! A loose
windshield could cause an acci-
dent. Be sure to tighten the
screws to the specified torque.
[EWA15511]
5. Place the bolt access covers, and
then install the quick fasteners.
1. Bolt
1. Bolt
1. Bolt
1
1
1
1
1
1
Tightening torque:
Windshield bolt:
8 N·m (0.8 kgf·m, 5.9 lb·ft)
UBL2E0E0.book Page 24 Friday, June 23, 2017 9:30 AM

Periodic maintenance and adjustment
7-2
7
EAU17303
Emission controls not only function to
ensure cleaner air, but are also vital to
proper engine operation and maximum
performance. In the following periodic
maintenance charts, the services relat-
ed to emissions control are grouped
separately. These services require
specialized data, knowledge, and
equipment. Maintenance, replace-
ment, or repair of the emission control
devices and systems may be per-
formed by any repair establishment or
individual that is certified (if applicable).
Yamaha dealers are trained and
equipped to perform these particular
services.
EAU79250
Owner’s tool kit
The owner’s tool kit is located on the
bottom of the seat. (See page 3-9.)
The service information included in this
manual and the tools provided in the
owner’s tool kit are intended to assist
you in the performance of preventive
maintenance and minor repairs. How-
ever, additional tools such as a torque
wrench may be necessary to perform
certain maintenance work correctly.
TIP
If you do not have the tools or experi-
ence required for a particular job, have
a Yamaha dealer perform it for you.
1.
1
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Periodic maintenance and adjustment
7-8
7
EAU19623
Checking the spark plug
The spark plug is an important engine
component, which should be checked
periodically, preferably by a Yamaha
dealer. Since heat and deposits will
cause any spark plug to slowly erode,
it should be removed and checked in
accordance with the periodic mainte-
nance and lubrication chart. In addi-
tion, the condition of the spark plug
can reveal the condition of the engine.
The porcelain insulator around the
center electrode of the spark plug
should be a medium-to-light tan (the
ideal color when the vehicle is ridden
normally). If the spark plug shows a
distinctly different color, the engine
could be operating improperly. Do not
attempt to diagnose such problems
yourself. Instead, have a Yamaha deal-
er check the vehicle.
If the spark plug shows signs of elec-
trode erosion and excessive carbon or
other deposits, it should be replaced.
Before installing a spark plug, the
spark plug gap should be measured
with a wire thickness gauge and, if
necessary, adjusted to specification.Clean the surface of the spark plug
gasket and its mating surface, and
then wipe off any grime from the spark
plug threads.
TIP
If a torque wrench is not available
when installing a spark plug, a good
estimate of the correct torque is 1/4…
1/2 turn past finger tight. However, the
spark plug should be tightened to the
specified torque as soon as possible.
Specified spark plug:
NGK/CR9E
1. Spark plug gap
Spark plug gap:
0.7–0.8 mm (0.028–0.031 in)
Tightening torque:
Spark plug:
12.5 N·m (1.25 kgf·m, 9.22 lb·ft)
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Periodic maintenance and adjustment
7-10
7
TIP
Skip steps 5–9 if the oil filter element is
not being replaced.
5. Remove the oil filter element cover
by removing the bolts.
6. Remove the oil filter element and
O-ring.
7. Check the O-ring for damage and
replace it if necessary.
8. Install the new oil filter element
and an O-ring.
9. Install the oil filter element cover
by installing the bolts, then tight-
ening them to the specified
torque.TIP
Make sure that the O-ring is properly
seated.
10. Install the washer and the engine
oil drain bolt, and then tighten the
drain bolt to the specified torque.
TIP
Make sure that the washer is properly
seated.
11. Refill with the specified amount of
the recommended engine oil, and
then install and tighten the oil filler
cap.
TIP
Be sure to wipe off spilled oil on any
parts after the engine and exhaust sys-
tem have cooled down.
NOTICE
ECA11671
Do not use oils with a diesel
specification of “CD” or oils of a
higher quality than specified. In
1. Oil filter element cover
1. Oil filter element
2. O-ring
3. Oil filter element cover
ZAUM11201
1
2
3
ZAUM0712
Tightening torque:
Oil filter cover bolt:
10 N·m (1.0 kgf·m, 7.4 lb·ft)
Tightening torque:
Engine oil drain bolt:
20 N·m (2.0 kgf·m, 15 lb·ft)
Recommended engine oil:
See page 9-1.
Oil change quantity:
Without oil filter element replace-
ment:
1.40 L (1.48 US qt, 1.23 Imp.qt)
With oil filter removal:
1.50 L (1.59 US qt, 1.32 Imp.qt)
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Periodic maintenance and adjustment
7-12
7 6. Install the final transmission oil
drain bolt and its new gasket, and
then tighten the bolt to the speci-
fied torque.
7. Refill with the specified amount of
the recommended final transmis-
sion oil. WARNING! Make sure
that no foreign material enters
the final transmission case.
Make sure that no oil gets on
the tire or wheel.
[EWA11312]
8. Install the final transmission oil fill-
er cap and its new O-ring, and
then tighten the oil filler cap.
9. Check the final transmission case
for oil leakage. If oil is leaking,
check for the cause.
EAU20071
Coolant
The coolant level should be checked
before each ride. In addition, the cool-
ant must be changed at the intervals
specified in the periodic maintenance
and lubrication chart.
EAU78580To check the coolant level
1. Place the vehicle on the center-
stand.
TIP
The coolant level must be
checked on a cold engine since
the level varies with engine tem-
perature.
Make sure that the vehicle is posi-
tioned straight up when checking
the coolant level. A slight tilt to the
side can result in a false reading.
2. Check the coolant level through
the check window.
TIP
The coolant should be between the
minimum and maximum level marks.
1. Final transmission oil drain bolt
Tightening torque:
Final transmission oil drain bolt:
20 N·m (2.0 kgf·m, 15 lb·ft)
Recommended final transmission
oil:
See page 9-1.
Oil quantity:
0.21 L (0.22 US qt, 0.18 Imp.qt)
ZAUM07031
1. Coolant level check window
2. Maximum level mark
3. Minimum level mark
1
2
3
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