APRILIA RSV4 1100 Factory 2021 Manual page 332

Power supply
11.Engine
EVAPORATIVE EMISSIONS CONTROL SYSTEM LAYOUT
Key:
1. Connection
2. Purge valve
3. ECU
4. "T" connection
5. Lower injectors on the rear throttle body
6. Lower injectors on the front throttle body
7. Fuel tank
8. Canister
9. Front throttle body
10.Rear throttle body
P SUPP - 332
RSV4 1100 Factory