Triumph 2012 Tiger 800 Service Manual page 300

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 am bient temperature will cause the
fuel vapour to pass down the breather hose (1 > to a carbon filled canister (2) which stores the va pour.
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
S.
Fuel tank filler drain
10. 122
SeiVice Manual Tiger 800 and Tiger 800XC
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