Page 49 of 90
Operation and important ri din g points
6-4
6
3. Open the throttle gradually and si-
multaneously release the clutch
lever slowly.
4. Once the motorcycle has reached a speed high enough to change
gears, close the throttle, and at the
same time, quickly pull the clutch
lever in.
5. Shift the transmission into second gear. (Make sure not to shift the
transmission into the neutral posi-
tion.)
6. Open the throttle halfway and gradually release the clutch lever.
7. Follow the same procedure when shifting to the next gear.
EAU16711
To decelerate
1. Close the throttle and apply both the front and the rear brakes to
slow the motorcycle.
2. Downshift through the gears and shift the transmission into the neu-
tral position when the motorcycle
is almost completely stopped.
EAU17192
Parkin gWhen parking, stop the engine, and
then turn the fuel cock lever to “OFF”.
WARNING
EWA10312
Since the en gine an d exhaust
system can b ecome very hot,
park in a place where ped estri-
ans or chil dren are not likely to
touch them an d b e burne d.
Do not park on a slope or on soft
groun d, otherwise the vehicle
may overturn, increasin g the
risk of a fuel leak an d fire.
Do not park near grass or other
flamma ble materials which
mi ght catch fire.
UB4B83E0.book Page 4 Thursday, September 9, 2021 8:47 AM
Page 50 of 90
Periodic maintenance an d a djustment
7-1
7
EAU42074
Periodic inspection, adjustment, and
lubrication will keep your vehicle in the
safest and most efficient condition
possible. Safety is an obligation of the
vehicle owner/operator. The most im-
portant points of vehicle inspection,
adjustment, and lubrication are ex-
plained 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, geographical location,
and individual use, the maintenance in-
tervals may need to be shortened.
WARNING
EWA10322
Failure to properly maintain the vehi-
cle or performin g maintenance ac-
tivities incorrectly may increase
your risk of injury or death durin g
service or while usin g the vehicle. If
you are not familiar with vehicle ser-
vice, have a Yamaha d ealer perform
service.
WARNING
EWA15123
Turn off the en gine when performin g
maintenance unless otherwise
specified .
A runnin g en gine has movin g
parts that can catch on body
parts or clothin g an d electrical
parts that can cause shocks or
fires.
Runnin g the en gine while ser-
vicin g can lead to eye injury,
b urns, fire, or car bon monoxi de
poisonin g – possi bly lea din g to
d eath. See pag e 2-2 for more in-
formation a bout car bon monox-
i d e.
WARNING
EWA15461
Brake discs, calipers, drums, and
linin gs can b ecome very hot d uring
use. To avoi d possi ble burns, let
b rake components cool before
touchin g them.
UB4B83E0.book Page 1 Thursday, September 9, 2021 8:47 AM
Page 51 of 90
Periodic maintenance an d a djustment
7-2
7
EAU90301
Perio dic maintenance an d lu brication chartThe following chart is intended as a general guide to maintenance and lubrication. Bear in mind that such factors as weath-
er, terrain, geographical location, and individual usage will alter the required maintenance and lubrication intervals. If you
are in doubt as to what intervals to follow in maintaining and lubricating your motorcycle, consult your Yamaha dealer.TIPItems marked with an asterisk should be performed by a Yamaha dealer as they require special tools, data and technical
skills.NO. ITEM ROUTINEAfter
break-
in Every race Every thir
d
race Every fifth
race As require
d
1 *Piston • Check piston for carbon deposits and
cracks or damage.
• Clean. √√
•Replace. √√
2 *Piston rin gs • Check piston ring end gap and rings for
damage. √√
•Replace. √√
3 *Piston pin an
d small
en d b earin g • Check piston pin and small end bearing for
damage. √
•Replace. √
4 *Cylin der hea d • Check cylinder head for carbon deposits.
• Clean.
√√
• Check cylinder head gasket for damage.
• Tighten cylinder head nuts if necessary. √√
• Replace cylinder head gasket. √
5 *Cylin der • Check cylinder for score marks or wear.
• Clean.
√√
•Replace. √
UB4B83E0.book Page 2 Thursday, September 9, 2021 8:47 AM
Page 52 of 90
Periodic maintenance an d a djustment
7-3
7
6 *YPVS • Check YPVS for carbon deposits and
cracks or damage. √√
• Clean. √√
7 *Clutch • Check clutch housing, friction plates,
clutch plates and clutch springs for wear
or damage.
•Adjust. √√
• Replace. √
8 *Transmission • Change the transmission oil.
√√
• Check transmission for damage. √
• Replace bearings. √
9 *Shift forks, g
uide bars,
shift cam • Check all parts for wear and damage.
• Replace if necessary.
√
10 *Rotor nut (flywheel
ma
gneto) •Tighten.
√√
11 *Kickstarter system • Check idle gear for damage.
• Replace if necessary. √
12 *Exhaust system • Check exhaust pipe and muffler for carbon
deposits. √√
• Clean. √
13 *Crankshaft • Check crankshaft for carbon deposits and
damage. √√
• Clean. √√
14 *Car buretor • Check carburetor settings and for obstruc-
tions. √√
• Adjust and clean. √√
NO. ITEM
ROUTINEAfter
break-
in Every race Every thir
d
race Every fifth
race As require
d
UB4B83E0.book Page 3 Thursday, September 9, 2021 8:47 AM
Page 53 of 90
Periodic maintenance an d a djustment
7-4
7
15 Spark plu g• Check condition.
• Clean and regap.
√√
•Replace. √
16 *Drive chain • Check chain slack, alignment and condi-
tion.
• Adjust and thoroughly lubricate chain with Yamaha chain and cable lube or equiva-
lent. √√
•Replace. √
17 *Coolin g system • Check coolant level and for leakage.
√√
• Check hoses for cracks or damage. √
• Check radiator cap spring operation. √
• Change coolant. Every 2 years √
18 *Chassis fasteners • Check all chassis fitting and fasteners.
• Correct or tighten if necessary. √√
19 Air filter element • Clean.
√√
•Replace. √
20 *Frame • Clean and check for damage. √√
21 *Fuel line • Clean and check for leakage. √√
22 *Brakes • Adjust lever position and pedal height.
• Lubricate pivot points.
• Check brake disk surface.
• Check fluid level and for leakage.
• Tighten brake disk bolts, caliper bolts,
master cylinder bolts and union bolts. √√
• Replace brake pads. √
• Replace brake fluid. Every year √
NO. ITEM ROUTINE
After
break-
in Every race Every thir
d
race Every fifth
race As require
d
UB4B83E0.book Page 4 Thursday, September 9, 2021 8:47 AM
Page 54 of 90
Periodic maintenance an d a djustment
7-5
7
23 *Front fork • Check operation and for oil leakage.
• Adjust if necessary.
• Clean dust seal and lubricate with lithium-
soap-based grease. √√
• Replace fork oil. √√
• Replace oil seals. √
24 *Shock ab
sorber as-
sem bly • Check operation and adjust.
• Tighten if necessary.
√√
• Lubricate with lithium-soap-based grease. √√
(After
washing
the motor-
cycle or rid- ing in the rain.)
25 *Drive chain roller an
d
support g uide • Check for wear or damage.
• Replace if necessary.
√
26 *Rear suspension • Check operation and tighten if necessary.
√√
• Lubricate with molybdenum disulfide grease. √√
27 *Swin
garm pivot bear-
in gs • Check bearing assemblies for looseness.
• Lubricate with molybdenum disulfide
grease. √√
28 *Steerin g hea d • Check operation, free play, and tighten if
necessary. √√
• Clean and lubricate with lithium-soap- based grease. √
• Replace bearings. √
NO. ITEM
ROUTINEAfter
break-
in Every race Every thir
d
race Every fifth
race As require
dUB4B83E0.book Page 5 Thursday, September 9, 2021 8:47 AM
Page 55 of 90
Periodic maintenance an d a djustment
7-6
7
EAU42012
TIP Hydraulic brake service
• Regularly check and, if necessary, correct the brake fluid levels.
• Every two years replace the internal components of the brake master cylinders and calipers, and change the brake fluid.
• Replace the brake hoses every four years and if cracked or damaged.29 *Tires an d wheels • Check tire air pressure, wheel runout,
spokes for looseness, and tires for wear. √√
• Tighten sprocket bolts if necessary. √√
• Check wheel bearings for looseness. √
• Lubricate wheel bearings with lithium- soap-based grease. √
• Replace wheel bearings. √
30 *Movin
g parts an d ca-
b les • Lubricate.
√√
31 *Throttle grip • Check operation.
• Check throttle grip free play, and adjust if
necessary.
• Lubricate cable and grip housing. √√
NO. ITEM ROUTINE
After
break-
in Every race Every thir
d
race Every fifth
race As require
d
UB4B83E0.book Page 6 Thursday, September 9, 2021 8:47 AM
Page 56 of 90
Periodic maintenance an d a djustment
7-7
7
EAU84450
Checkin g the spark plu gThe spark plug is an important engine
component, which is easy to check.
Since heat and deposits will cause any
spark plug to slowly erode, the spark
plug should be removed and checked
in accordance with the periodic main-
tenance and lubrication chart. In addi-
tion, the condition of the spark plug
can reveal the condition of the engine.
To remove the spark plu g
1. Remove the spark plug cap.
2. Remove the spark plug as shown, with a spark plug wrench available
at a Yamaha dealer. To check the spark plu
g
1. Check that the porcelain insulator around the center electrode of the
spark plug is a medium-to-light
tan (the ideal color when the vehi-
cle is ridden normally).
TIPIf the spark plug shows a distinctly dif-
ferent color, the engine could be oper-
ating improperly. Do not attempt to
diagnose such problems yourself. In-
stead, have a Yamaha dealer check
the vehicle.
2. Check the spark plug for electrodeerosion and excessive carbon or
other deposits, and replace it if
necessary.
3. Measure the spark plug gap with a wire thickness gauge and, if nec-
essary, adjust the gap to specifi-
cation.
1. Spark plug cap
1
1. Spark plug wrench
1 1
Specifie d spark plu g:
NGK/BR10EG1. Spark plug gapSpark plu g g ap:
0.5–0.6 mm (0.020–0.024 in)
UB4B83E0.book Page 7 Thursday, September 9, 2021 8:47 AM
