Fuel System/Engine Management
Evaporative Control System - Engine Off
When the engine is stationary any pressure increase in the fuel tank due to a rise in ambient temperature will cause the
fuel vapour to pass down the breather hose (1) to a carbon filled canister (2) which stores the vapour.
Once in the canister, vapour cannot enter the engine because the purge valve is closed.
1. Breather hoses
2. Carbon filled canister
3. Purge valve (closed)
4. Purge hose to throttle bodies
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Service Manual - Daytona 675, Street Triple and Street Triple R
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I UMP