19. EVAPORATIVE/EXHAUST EMISSION
CONTROL SYSTEM
1. EMISSION CONTROL SYSTEM MAINTENANCE SCHEDULE:
Service Mileage (KM)
Item Inspection
Drive belt Belt thickness ○
Drive chain Chain tension & length ○ ○ ○ ○ ○ ○
Cam chain Chain length ○ ○ ○ ○
Valve clearance IN/EX clearance ○ ○ ○ ○
Engine
Bolts ○ ○ ○
Parts
Air Cleaner
Clean or replace air cleaner
element
Clean at every 3000km and replace if
necessary
Cooling water Check for engine cooling Replace at every 10000km or every year
Engine oil Engine lubrication ○ Replace at every 1000km
Gear oil Inspect or change gear oil ○ ○ ○
Fuel filter
Clean or replace fuel filter
○
Choke system Check for proper operation ○ ○ ○
System
Fuel line connectors
Check for leaks, block or
○ ○ ○
Carburetor idle speed
Inspect, clean or adjust ○ ○ ○ ○ ○ ○
Oil filter Clean filter screen ○ ○ ○
Ignition timing Inspect ignition timing ○ ○ ○ ○ ○ ○
Spark plug Clean, inspect or replace ○ ○ ○ ○ ○ ○
Ignition
Parts
Ignition wires
Check wire connectors ○ ○ ○ ○ ○ ○
Secondary air inlet line
Check for leaks, clogged or
loose tube connection
○ ○ ○ ○ ○ ○
Emission
Control
Intake manifold bolt
Check manifold connector and
replace if necessary
○ ○ ○ ○ ○ ○
Engine compartment
pipe connection
Check for leaks, clogged or
loose tube connection
○ ○ ○ ○ ○ ○
Charcoal canister
Check air vent hole for damage
and clean it
○ ○ ○ ○ ○ ○
Evaporative
Emission
Control
System
Purge control valve
Check for loose or broken tube
connectors
○ ○ ○ ○ ○ ○
2. EMISSION CONTROL SYSTEM IRREGULAR MAINTENANCE:
Item
Contents
∗Burned crankshaft bearing
Before riding, inspect the engine for engine oil leaks to avoid
crankshaft bearing burning during riding.
∗Burned cylinder or piston
Long-time or severe use may cause worn or seized cylinder or
piston. Clean or replace them with new ones.