Periodic Inspection And Adjustment; Introduction; Periodic Maintenance Chart For The Emission Control System - Yamaha PZ50W Service Manual

INTRODUCTION/PERIODIC MAINTENANCE CHART FOR

PERIODIC INSPECTION AND ADJUSTMENT

INTRODUCTION

This chapter includes all information necessary to perform recommended inspections and adjustments. These
preventive maintenance procedures, if followed, will ensure more reliable machine operation and a longer ser-
vice 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 prepared for sale. All service technicians
should be familiar with this entire chapter.

PERIODIC MAINTENANCE CHART FOR THE EMISSION CONTROL SYSTEM

Item
Check condition.
Spark plugs Adjust gap and clean.
Replace if necessary.
Check clearance.
∗ Valve clearance
Adjust clearance when engine is cold.
Check breather hose for cracks or damage.
∗ Crankcase breather system
Replace if necessary.
Check condition.
∗ Fuel filter
Replace if necessary.
Check fuel hose for cracks or damage.
∗ Fuel line
Replace if necessary.
∗ Idle speed
Check and adjust engine idle speed.
∗ Fuel injection
Adjust synchronization.
Check for leakage.
∗ Exhaust system
Tighten or replace gasket if necessary.
∗ It is recommended that these items be serviced by a Yamaha dealer.
THE EMISSION CONTROL SYSTEM
Remarks
2-1
INSP
ADJ
Initial
Pre-opera- 1 month or
tion check 800 km
(Daily) (500 mi)
(40 hr)
Every 40,000 km (25,000 mi)
Every
Seasonally
2
or 4,000 km
(2,500 mi)
(200 hr)