Maintenance Schedule - Yamakoyo YK250 Owner's Manual

eliminate several potential hazards:
Carbon monoxide poisoning from engine exhaust.
Be sure there is adequate ventilation whenever you operate the engine.
Burns from hot parts.
Let the engine and exhaust system cool before touching.
Injury from moving parts.
Do not run the engine unless instructed to do so.
Read the instructions before you begin, and make sure you have the tools and skills
required.
To reduce the possibility of fire or explosion, be careful when working around gasoline.
Use only a nonflammable solvent, not gasoline, to clean parts. Keep cigarettes, sparks
and flames away from all fuel-related parts.
Remember that your servicing dealer knows your engine best and is fully equipped to
maintain and repair it.
To ensure the best quality and reliability, use only new, genuine parts or their equivalents
for repair and replacement.

MAINTENANCE SCHEDULE

REGULAR SERVICE PERIOD
Performed at every indicated month
or operating hour interval, whichever
comes first.
ITEM
Engine oil
Air cleaner
Sediment Cup
Spark plug
Spark arrester
(optional parts)
Idle speed
Valve clearance
Fuel tank and strainer
Combustion chamber
Fuel line
Emission-related items.
Replace the paper element type only.
(1) Service more frequently when used in dusty areas.
MAINTENANCE
Each
month or
use
20 Hrs.
Check level
Change
Check
Clean
Replace
Clean
Check-Clean
Replace
Clean
Check-Adjust
Check-Adjust
Clean
Clean
Every 2 years (Replace if necessary) (2)
Check
11
First Every 3 Every 6
months or months or
50 Hrs. 100 Hrs.
(1)
After every 300 Hrs. (2)
Every
year or
300 Hrs.
(2)
(2)
(2)