Yamaha YW125Z Mobility Scooter User Manual


 
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EAU1722A
PERIODIC MAINTENANCE AND ADJUSTMENT
6-3
Maintenance, emission control system<IXE>
EAU17560
Periodic maintenance chart for the emission control system
* Since these items require special tools, data and technical skills, have a Yamaha dealer perform the service.
NO. ITEM ROUTINE
INITIAL ODOMETER READING
600 mi
(1,000 km)
or
1
month
2,000 mi
(4,000 km)
or
6
months
4,000 mi
(7,000 km)
or
12
months
6,000 mi
(10,000 km)
or
18
months
8,000 mi
(13,000 km)
or
24
months
10,000 mi
(16,000 km)
or
30
months
1
*
Fuel line
• Check fuel hoses for cracks or
damage.
• Replace if necessary.
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2 Spark plug
• Check condition.
• Adjust gap and clean.
• Replace at 4000 mi (7000 km) or
12 months and thereafter every
4000 mi (6000 km) or 12 months.
Replace. Replace.
3
*
Valve clearance
• Check and adjust valve clearance
when engine is cold.
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4
*
Crankcase breather
system
• Check breather hose for cracks or
damage.
• Replace if necessary.

5
*
Fuel injection • Check engine idle speed. 
6
*
Exhaust system
• Check for leakage.
• Tighten if necessary.
• Replace gasket(s) if necessary.
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