technical data YAMAHA NMAX 125 2018 Owners Manual
Page 43 of 94
Periodic maintenance an d a djustment
6-3
6
EAU71020
TIP
 The annual checks must  be performe d every year, except if a kilometer-
b ased  maintenance, or for the UK, a milea ge- based  maintenance, is
performe d instead .
 From 30000 km (17500 mi), repeat the maintenance intervals starting from
6000 km (3500 mi).
 Items marked with an asterisk should be performed by a Yamaha dealer as
they require special tools, data and technical skills.
EAU71060
Perio dic maintenance chart for the emission control system
NO. ITEM
1 *Fuel line • Check fuel hoses for cracks or 
damage.
• Replace if necessary. √√√√√
2 *Spark plu g • Check condition.
• Adjust gap and clean.
√√
• Replace. √√
3 *Valve clearance • Check and adjust. √√√√
4 *Fuel injection • Check engine idle speed. √√√√√√
5 *Exhaust system • Check for leakage.
• Tighten if necessary.
• Replace gasket if necessary. √√√√√X 1000 km
CHECK OR 
MAINTENANCE JOB
X 1000 mi
ODOMETER  READING
ANNUAL CHECK
16121824
0.63.5710.514
UBV3E0E0.book  Page 3  Monday, September 26, 2016  3:42 PM