KYMCO ZING 150 - Motorcycle Engine Evaporative Emission Control System Test

19. EVAPORATIVE/EXHAUST EMISSION
CONTROL SYSTEM
19
-
5
MOTORCYCLE ENGINE EVAPORATIVE EMISSION
CONTROL SYSTEM TEST
A. LEAKAGE TEST PIPING DIAGRAM (SIMPLE)
1. Charcoal Canister Plug (Point )
B. LEAKAGE TEST LOCATIONS (SIMPLE)
1. Charcoal canister, fuel tank (Point )
Blow compressed air into the tube at Point  to test leakage.
2. Vacuum tube (Point )
Blow compressed air into the tube at Point  to test leakage.
C. LEAKAGE TEST DIAGRAM (SIMPLE)
Metric System
U Tube
Rubber
Tube
Water in Tube
Leakage Test
Point
Compressed Air
Tee
Purge Control
Valve
Vacuum
Fuel Valve
Air Cleaner
Carburetor
Fresh Air
Fuel
Tank
Charcoal
Canister
Fuel Vapor
Engine
Exhaust
Muffler
Release
Charcoal
Rubber Plug (It
should be able to
prevent fuel
enter-ing and its
shape is subject to
the canister
bottom.)
Leak
-
proof
Net
Fresh Air
Air