wheel bolts YAMAHA NMAX 155 2021 Owners Manual

For your safety – pre-operation checks
7-2
7
Rear brake • Check operation.
• If soft or spongy, have Yamaha dealer bleed hydraulic system.
• Check brake pads for wear.
• Replace if necessary.
• Check fluid level in reservoir.
• If necessary, add specified brake fluid to specified level.
• Check hydraulic system for leakage. 9-21, 9-22, 9-23
Throttle grip • Make sure that operation is smooth.
• Check throttle grip free play.
• If necessary, have Yamaha dealer adjust throttle grip free play and lubricate ca-
ble and grip housing. 9-19, 9-25
Control ca bles • Make sure that operation is smooth.
• Lubricate if necessary. 9-25
Wheels an d tires • Check for damage.
• Check tire condition and tread depth.
• Check air pressure.
• Correct if necessary. 9-19, 9-21
Brake levers • Make sure that operation is smooth.
• Lubricate lever pivoting points if necessary.
9-25
Centerstan d, si destan d • Make sure that operation is smooth.
• Lubricate pivots if necessary.
9-26
Chassis fasteners • Make sure that all nuts, bolts and screws are properly tightened.
• Tighten if necessary. —
Instruments, li ghts, si gnals
an d switches • Check operation.
• Correct if necessary.
—
Si destan d switch • Check operation of ignition circuit cut-off system.
• If system is not working correctly, have Yamaha dealer check vehicle.
6-22
ITEM CHECKS PAGE
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Periodic maintenance an d a djustment
9-4
9
11 *Tires • Check tread depth and for dam-
age.
• Replace if necessary.
• Check air pressure.
• Correct if necessary. 
12 *Wheel bearin gs • Check bearing for looseness or
damage. 
13 *Steerin g b earin gs • Check bearing assemblies for
looseness. 
• Moderately repack with lithium- soap-based grease. 
14 *Chassis fasteners • Make sure that all nuts, bolts and
screws are properly tightened. 
15 Front an
d rear
b rake lever pivot
shaft • Lubricate with silicone grease.

16 Si
destan d, center-
stan d • Check operation.
• Lubricate with lithium-soap-
based grease. 
17 *Sidestan d switch • Check operation and replace if
necessary. 
18 *Front fork • Check operation and for oil leak-
age.
• Replace if necessary. 
19 *Shock a
bsor ber as-
sem blies • Check operation and for oil leak-
age.
• Replace if necessary. 
NO. ITEM CHECK OR MAINTENANCE JOB
ODOMETER READING
ANNUAL
CHECK
1000 km
(600 mi) 6000 km
(3500 mi) 12000 km
(7000 mi) 18000 km
(10500 mi) 2400
0 km

(14000 mi)
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