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3. INSPECTION/ADJUSTMENT Mongoose/KXR 90/50
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 3 6 6 1
month month month month year
Valves Check valve clearance. Adjust if
(Mongoose/KXR 50) necessary.
Check condition. Clean or replace if
Spark plug necessary.
Air clearance Clean. Replace if necessary.
Check idle speed/starter operation.
Carburetor Adjust if necessary.
Check fuel hose for cracks or
Fuel line damage. Replace if necessary.
Engine oil Replace (Warm engine before
(Mongoose/KXR 50) draining).
Engine oil filter screen
(Mongoose/KXR 50) Clean. Replace if necessary.
Check oil leakage. Replace every
Transmission oil 12 months.
Check operation. Adjust if
Brake system necessary.
Check operation/replace if damage
Drive belt or excessive wear.
Check balance/damage/runout.
Wheels Replace if necessary.
Check bearings assembly for
Wheel bearings looseness/damage. Replace if
damaged.
Check operation/replace if damage.
Steering system Check toe-in/adjust if necessary.
Knuckle shafts Lubricate every 6 months.
Check all chassis fittings and
Fitting/Fasteners 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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