Evaporative Emissions Control System
California Models Only
All California models are fitted with a system to control the evaporation of fuel vapour to the atmosphere.
A carbon filled canister absorbs vapour while the engine is not running. When the engine is started, the vapour is
returned to the engine and burnt.
There are two distinct phases to the system's operation, engine off and engine running. These two conditions are
explained overleaf.
Component Locations
Carbon Filled Canister (2) - below the swinging arm.
Purge Control Valve (3)- adjacent to frame, left hand side (electronically controlled by the ECM)
1. Breather hoses
2. Carbon filled canister
3. Purge valve
4. Purge hose to throttle bodies
Service Manual - Daytona 675, Street Triple and Street Triple R
I UMP
Fuel System/Engine Management
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