3. INSPECTION/ADJUSTMENT
3-2
Mongoose/KXR 250
MAINTENANCE SCHEDULE
This chapter includes all information necessary to perform recommended inspections and
adjustments. These preventive maintenance procedures, if followed, will ensure more reliable
vehicle operation and a longer service life. The need for costly overhaul work will be greatly
reduced. This information applies to vehicles already in service ad well as new vehicles that are
being prepared for sale. All service technicians should be familiar with this entire chapter.
Initial Every
Item Remarks
1
month
3
month
6
month
6
month
1
Valves
Check valve clearance. Adjust if
necessary.
○○○○
Spark plug
Check condition. Adjust gap and
clean. Replace if necessary.
○○○○○
Air filter element (for
engine and drive belt
compartment)
Clean.
Replace if necessary.
Every 20~40 hours
more often in wet or dust
Carburetor
Check idle speed/starter operation.
Adjust if necessary.
○○○○
Fuel line
Check fuel hose for cracks or
damage. Replace if necessary.
○○○
Engine oil
Replace (Warm engine before
draining).
○○○○
Coolant
Check coolant leakage.
Replace if necessary.
Replace coolant every 24 months.
○○○○○
Oil strainer
Clean.
Replace if necessary.
○○○
Drive chain
Check and adjust
slack/alignment/clean/lube.
○○○○○
Transmission oil
Check oil leakage. Replace every
12 months.
○○
Brake system
Check operation and brake fluid.
Replace brake pad if necessary.
○○○○○
Drive belt
Check operation/replace if damage
or excessive wear.
○○
Wheels
Check balance/damage/runout.
Replace if necessary.
○○○○
Wheel bearings
Check bearing assembly for
looseness/damage. Replace if
damaged.
○○○○
Steering system
Check o
e.
Check toe-in/adjust if necessary.
○○○○○
Rear swing arm shafts Lubricate every 6 months. ○○○
Fitting/Fasteners
Check all chassis fittings and
fasteners. Correct if necessary.
○○○○○
•In the interest of safety, we recommend these items should be serviced only by an authorized
KYMCO motorcycle dealer.
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