Page 44 of 110

6-1
6
EAU00462
6-PERIODIC MAINTENANCE AND MINOR REPAIR
EAU00464
Safety is an obligation of the owner.
Periodic inspection, adjustment and lu-
brication will keep your vehicle in the
safest and most efficient condition pos-
sible. The most important points of in-
spection, adjustment, and lubrication
are explained on the following pages.
The intervals given in the periodic
maintenance and lubrication chart
should be simply considered as a gen-
eral guide under normal riding condi-
tions. However, DEPENDING ON THE
WEATHER, TERRAIN, GEOGRAPHI-
CAL LOCATION, AND INDIVIDUAL
USE, THE MAINTENANCE INTER-
VALS MAY NEED TO BE SHORT-
ENED.
EW000060
WARNING
@ If you are not familiar with motor-
cycle maintenance work, have a
Yamaha dealer do it for you. @
EAU01659
Owner’s tool kit The tool kit is located inside the storage
compartment behind the rider seat
backrest. (See page 3-9 for an expla-
nation on moving the rider seat back-
rest forward and back.)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.
NOTE:@ If you do not have the tools or experi-
ence required for a particular job, have
a Yamaha dealer perform it for you. @
1. Owner’s tool kit
2. Rider seat backrest
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PERIODIC MAINTENANCE AND MINOR REPAIR
6-5
6
EAU03310*
NOTE:@ l
The air filter needs more frequent service if you are riding in unusually wet or dusty areas.
l
Hydraulic brake and clutch service
• Regularly check and, if necessary, correct the brake fluid level.
• Every two years replace the internal components of the brake master cylinder and caliper as well as clutch master
and release cylinders, and change the brake and clutch fluids.
@25 Final gear oil• Check oil level and vehicle for oil leakage.ÖÖ Ö
• Change.ÖÖÖ
26
*Front and rear brake
switches• Check operation.ÖÖÖÖÖ Ö
27 Moving parts and cables• Lubricate.ÖÖÖÖ Ö
28*Lights, signals and
switches• Check operation.
• Adjust headlight beam.ÖÖÖÖÖ Ö NO. ITEM CHECK OR MAINTENANCE JOBODOMETER READING (´1,000 km)
ANNUAL
CHECK
1 10203040
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PERIODIC MAINTENANCE AND MINOR REPAIR
6-20
6
EAU00630
Adjusting the carburetors The carburetors are important parts of
the engine and require very sophisti-
cated adjustment. Therefore, most car-
buretor adjustments should be left to a
Yamaha dealer, who has the neces-
sary professional knowledge and expe-
rience. The adjustment described in
the following section, however, may be
serviced by the owner as part of routine
maintenance.
EC000095
CAUTION:@ The carburetors have been set and
extensively tested at the Yamaha
factory. Changing these settings
without sufficient technical knowl-
edge may result in poor perfor-
mance of or damage to the engine. @
EAU00632
Adjusting the engine idling
speed The engine idling speed must be
checked and, if necessary, adjusted as
follows at the intervals specified in the
periodic maintenance and lubrication
chart.
1. Start the engine and warm it up for
several minutes at 1,000–
2,000 r/min while occasionally rev-
ving it to 4,000–5,000 r/min.NOTE:@ The engine is warm when it quickly re-
sponds to the throttle. @
2. Check the engine idling speed
and, if necessary, adjust it to spec-
ification by turning the throttle stop
screw. To increase the engine
idling speed, turn the screw in di-
rection
a. To decrease the engine
idling speed, turn the screw in di-
rection
b.NOTE:@ If the specified idling speed cannot be
obtained as described above, have a
Yamaha dealer make the adjustment. @ 1. Throttle stop screwEngine idling speed:
950–1,050 r/min
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Page 83 of 110
PERIODIC MAINTENANCE AND MINOR REPAIR
6-40
6
EAU03419
Front wheel To remove the front wheel
EW000122
WARNING
@ l
It is advisable to have a Yamaha
dealer service the wheel.
l
Securely support the motor-
cycle so that there is no danger
of it falling over.
@1. Place the motorcycle on the cen-
terstand.
2. Disconnect the speedometer ca-
ble from the front wheel.
3. Remove the brake caliper by re-
moving the bolts.
ECA00047
CAUTION:@ Do not pull the brake lever after the
brake caliper has been removed,
otherwise the brake pads will be
forced shut. @4. Loosen the front wheel axle pinch
bolt, then the wheel axle.
5. Pull the wheel axle out, and then
remove the wheel.
EAU03420
To install the front wheel
1. Install the speedometer gear unit
into the wheel hub so that the pro-
jections mesh with the slots.
1. Speedometer cable
2. Bolt (´ 2)
3. Pinch bolt
4. Wheel axle
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PERIODIC MAINTENANCE AND MINOR REPAIR
6-41
62. Lift the wheel up between the fork
legs.
NOTE:@ Make sure that the slot in the speedom-
eter gear unit fits over the retainer on
the fork leg. @3. Insert the wheel axle.
4. Take the motorcycle off the cen-
terstand so that the front wheel is
on the ground.5. Install the brake calipers by install-
ing the bolts.
NOTE:@ Make sure that there is enough space
between the brake pads before install-
ing the brake calipers onto the brake
discs. @6. Tighten the front wheel axle pinch
bolt, then the wheel axle, and the
brake caliper bolts to the specified
torques.
7. Connect the speedometer cable.
8. Push down hard on the handlebar
several times to check for proper
fork operation.
EAU03421
Rear wheel To remove the rear wheel
EW000122
WARNING
@ l
It is advisable to have a Yamaha
dealer service the wheel.
l
Securely support the motor-
cycle so that there is no danger
of it falling over.
@
Tightening torques:
Wheel axle:
58 Nm (5.8 m·kg,)
Front wheel axle pinch bolt:
20 Nm (2.0 m·kg)
Brake caliper bolt:
40Nm (4.0 m·kg)
1. Axle nut
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EAU03087
Troubleshooting Although Yamaha motorcycles receive
a thorough inspection before shipment
from the factory, trouble may occur dur-
ing operation. Any problem in the fuel,
compression, or ignition systems, for
example, can cause poor starting and
loss of power.
The following troubleshooting charts
represent quick and easy procedures
for checking these vital systems your-
self. However, should your motorcycle
require any repair, take it to a Yamaha
dealer, whose skilled technicians have
the necessary tools, experience, and
know-how to service the motorcycle
properly.
Use only genuine Yamaha replace-
ment parts. Imitation parts may look
like Yamaha parts, but they are often
inferior, have a shorter service life and
can lead to expensive repair bills.
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8-1
8
EAU01038
8-SPECIFICATIONSSpecifications CS-01E
Model VMX12
Dimensions
Overall length 2,300 mm
Overall width 795 mm
Overall height 1,160 mm
Seat height 765 mm
Wheelbase 1,590 mm
Ground clearance 145 mm
Minimum turning radius 2,900 mm
Basic weight (with oil and full
fuel tank)
281 kg
Engine
Engine type Liquid-cooled 4-stroke, DOHC
Cylinder arrangement V type, 4-cylinder
Displacement 1,198 cm
3
Bore ´ stroke 76 ´ 66 mm
Compression ratio 10.5:1
Starting system Electric starter
Lubrication system Wet sumpEngine oil
Ty p e
Recommended engine oil
classification API Service SE, SF, SG or
higher
Quantity
Without oil filter cartridge
replacement 3.2 L
With oil filter car tridge
replacement 3.4 L
Total amount (dry engine) 4.0 L
-20 -10 0
10 20 30
40
50 ˚C
SAE 10W-30
SAE 15W-40SAE 20W-40SAE 20W-50
SAE 10W-40
CAUTION:Be sure to use motor oils that do not contain anti-friction
modifiers. Passenger car motor oils (often labeled
“Energy Conserving”) contain anti-friction additives which
will cause clutch and/or starter clutch slippage, resulting in
reduced component life and poor engine performance.
E_3lr.book Page 1 Wednesday, November 22, 2000 4:10 PM