Yamaha SXV70SJ, Supplementary Service Manual

Page: 7 / 576

–1–
INTRODUCTION/PERIODIC MAINTENANCE TABLE
INSP
ADJ
PERIODIC INSPECTIONS AND ADJUSTMENTS
INTRODUCTION
This chapter includes all information necessary to perform recommended inspections and adjust-
ments. These preventive maintenance procedures, if followed, will ensure more reliable machine op-
eration and a longer service life. In addition, the need for costly overhaul work will be greatly reduced.
This information applies to machines already in service as well as new machines that are being pre-
pared for sale. All service technicians should be familiar with this entire chapter.
PERIODIC MAINTENANCE TABLE
Initial
Every
Item Remarks
Preoperation
check
(Daily)
1 month
or 800 km
(500 mi)
(40 hr)
Seasonally
or 3,200 km
(2,000 mi)
(160 hr)
Spark plugs
Check condition. Adjust gap and clean.
Replace if necessary.
F
Engine oil
Check oil level.
F
Engine oil
*Air bleed the oil pump if necessary.
F
Fuel Check fuel level.
F
*Fuel filter
Check condition.
Replace if necessary.
F
*Fuel line
Check fuel hose for cracks or damage.
Replace if necessary.
F
*Oil line
Check oil hose for cracks or damage.
Replace if necessary.
F
Engine coolant
Check coolant level.
F
Engine coolant
*Air bleed the cooling system if necessary.
F
Check throttle lever operation.
F
Carburetor
*Adjust the jets.
Whenever operating condition
(elevation / temperature) is changed.
*Y.P.V.S. Check operation. Adjust if necessary.
F
Recoil starter
Check operation and rope damage.
*Replace if necessary.
F
Engine stop switch
Check operation.
*Repair if necessary.
F
Throttle override system
(T.O.R.S.) Check operation.
*Repair if necessary.
F
Throttle lever
Check operation.
*Repair if necessary.
F
*Exhaust system
Check for leakage.
Tighten or replace gasket if necessary.
F
*Decarbonization More frequently if necessary.
F
Drive guard
Check for cracks, bends or damage.
*Replace if necessary.
F
V-belt
Check for wear and damage.
Replace if necessary.
F
Drive track and idler
wheels Check deflection, and for wear and damage.
*Adjust / replace if necessary.
F
Slide runners
Check for wear and damage.
F
Slide runners
*Replace if necessary.
F
*It is recommended that these items be serviced by a Yamaha dealer.