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Yamaha WR250F 2021 - Periodic Maintenance; General Maintenance and Lubrication Chart; Introduction; Periodic Maintenance Chart for the Emission Control System

Yamaha WR250F 2021
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PERIODIC MAINTENANCE
3-1
EAM20133
PERIODIC MAINTENANCE
EAM30332
INTRODUCTION
This chapter includes all information necessary to perform recommended checks and adjustments. If
followed, these preventive maintenance procedures will ensure more reliable vehicle operation, a lon-
ger service life and reduce the need for costly overhaul work. This information applies to vehicles al-
ready in service as well as to new vehicles that are being prepared for sale. All service technicians
should be familiar with this entire chapter.
EAM30208
PERIODIC MAINTENANCE CHART FOR THE EMISSION CONTROL SYSTEM
TIP
From 4200 mi (7000 km) or 9 months, repeat the maintenance intervals starting from 1800 mi (3000
km) or 3 months.
Items marked with an asterisk should be performed by a Yamaha dealer as they require special tools,
data and technical skills.
EAM30333
GENERAL MAINTENANCE AND LUBRICATION CHART
No. Item Checks and maintenance jobs
Initial Odometer readings
600 mi
(1000 km) or
1 month
1800 mi
(3000 km) or
3 months
3000 mi
(5000 km) or
6 months
1 * Fuel line
Check fuel hoses for cracks or damage.
Replace if necessary.

2 Spark plug
Check condition.
Adjust gap and clean.

3 * Valve clearance
Check and adjust valve clearance when engine is
cold.

4 * Air filter element
Clean with solvent and apply Yamaha foam air filter
oil or other quality foam air filter oil.
Replace if necessary.

5 * Breather system
Check ventilation hose for cracks or damage and
drain any deposits.

Replace. Every 2 years
6 * Fuel injection Adjust engine idling speed. 
7 Exhaust system
Check for leakage.
Tighten if necessary.
Replace gasket(s) if necessary.

8Engine oil Change (warm engine before draining). 
9
Engine oil filter ele-
ment
Replace.

10 Engine oil strainer Clean. 
No. Item Checks and maintenance jobs
Initial Odometer readings
600 mi
(1000 km) or
1 month
1800 mi
(3000 km) or
3 months
3000 mi
(5000 km) or
6 months
1Clutch
Check operation.
Adjust or replace cable.

2 * Cooling system
Check hoses for cracks of damage.
Replace if necessary.

Replace with ethylene glycol anti-freez
e coolant
every 1 year.
Every 1 year

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