Yamaha XV19SX(C) Service Manual page 107

1. Cylinder-#1 intake air pressure sensor
2. Cylinder-#1 intake air pressure sensor hose
3. Air filter case breather hose 1
4. Fuel hose (intake manifold assembly to pressure
regulator)
5. Pressure regulator
6. Canister purge hose (for California only)
7. Air filter case breather hose 2
8. ISC (idle speed control) unit inlet hose
9. Cylinder-#2 ISC (idle speed control) unit outlet
hose
10. ISC (idle speed control) unit
11. Cylinder-#1 ISC (idle speed control) unit outlet
hose
12. Cylinder-#2 intake air pressure sensor
13. Cylinder-#2 intake air pressure sensor hose
14. Fuel outlet hose
15. Cylinder head breather hose
16. Hose joint cover
17. Throttle position sensor coupler
18. Cylinder-#1 injector coupler
19. Engine temperature sensor coupler
20. Sub-wire harness 2
A. Face the ends of the hose clamp to the left, angled
°
45 rearward.
B. Install the cylinder-#1 intake air pressure sensor
hose onto the throttle body pipe up to the bend in
the pipe, making sure to face the white paint mark
on the hose upward. Face the ends of the hose
clamp forward.
C. Face the ends of the hose clamp to the left.
D. Face the ends of the hose clamp to the right.
E. Install the cylinder-#2 intake air pressure sensor
hose onto the throttle body pipe up to the bend in
the pipe, making sure to face the yellow paint mark
on the hose upward. Face the ends of the hose
clamp rearward.
F. Install the canister purge hose onto the throttle
body pipe up to the bend in the pipe, making sure
to face the yellow paint mark on the hose upward
(for California only).
G. Face the ends of the hose clamp rearward, angled
to the left.
H. Align the white paint marks.
I. Align the yellow paint marks.
J. Route the canister purge hose over the air filter
case joint clamp screw (for California only).
CABLE ROUTING (for XV19CS(C)/ XV19C(C))
2-80