SRV-SRB-21-051

Layout of Fuel Tank Breather and Drain Hoses
Multistrada V4 Model Year 2021 (all model
versions)
Service Repair Bulletin SRV-SRB-21-051
Date:
To:
From:
July 29, 2021
Dealer Principal, General Manager, Service Manager, North American Dealer
Network
Richard Kenton, Technical Director
Dan Schwartz, Service Area Manager
Dear Dealers,
We would like to provide information regarding the layout of the Fuel Tank Breather and
Drain Hoses on the Multistrada V4. This information also outlines the precautions which must
be observed for correct positioning of the hoses in case of maintenance and/or repair on the
motorcycle.
Fuel Tank/Canister Filter
Breather Hose
Fuel Tank Drain Hose
Hose from Canister to
Purge Valve
Breather Hose
Canister Filter
Airbox Drain Hose
Fuel Tank Drain and Canister
Filter Breather Hoses
Ducati North America
www.ducati.com
1292 Reamwood Ave.
Sunnyvale CA, 94089
Tel +1 650 933 9800
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Layout of Fuel Tank Breather and Drain Hoses
Multistrada V4 Model Year 2021 (all model
versions)
Service Repair Bulletin SRV-SRB-21-051
Key:
Hose color
Description
Green Hose
Fuel Tank/Canister Filter Breather Hose
Violet Hose
Fuel Tank Drain Hose
Yellow Hose
Hose from Canister to Purge Valve
Blue Hose
Canister Filter Breather Hose
Light blue Hose
Airbox Drain Hose
Orange Hose
Fuel Tank Drain and Canister Breather Hose
The correct layout of the above hoses and precautions to be observed are shown below:
RH side
view



NORMA Clamp (1): after tightening the clamp, turn it with the locking device facing
downwards, as indicated by the white arrow.
L.39 Button Tie (2): connection tie for canister filter breather hose and upper hose for
joining water radiators.
L.62 Button Tie (3): connection tie for canister filter breather hose, hose from purge valve
to canister filter, and breather hose from fuel tank to canister filter.
Ducati North America
www.ducati.com
1292 Reamwood Ave.
Sunnyvale CA, 94089
Tel +1 650 933 9800
2/6
Layout of Fuel Tank Breather and Drain Hoses
Multistrada V4 Model Year 2021 (all model
versions)
Service Repair Bulletin SRV-SRB-21-051
LH side
view

L.62 Button Tie (10): tie connecting fuel tank drain hose to electronic fuel tank cap preset
wiring branch connector (electronic fuel tank cap connector blanking plug still installed in
above reference image)

L.39 Button Tie (11): tie connecting fuel tank drain hose to electronic fuel tank cap preset
wiring branch.
Ducati North America
www.ducati.com
1292 Reamwood Ave.
Sunnyvale CA, 94089
Tel +1 650 933 9800
3/6
Layout of Fuel Tank Breather and Drain Hoses
Multistrada V4 Model Year 2021 (all model
versions)
Service Repair Bulletin SRV-SRB-21-051

L.39 Button Tie (4): tie connecting fuel tank canister filter breather hose/drain hose to
engine ground cable and (except for USA version) to front lambda sensor cable 1.

L.62 Button Tie (5): tie connecting fuel tank canister filter breather hose/drain hose to
airbox drain hose, engine ground cable and (except for USA version) to front lambda sensor
cable 1.

L.62 Button Tie (6): tie connecting fuel tank canister filter breather hose/drain hose to
airbox drain hose and expansion reservoir drain hose.

L.62 Button Tie (12): “Y” connection clamp to engine ground cable.
Ducati North America
www.ducati.com
1292 Reamwood Ave.
Sunnyvale CA, 94089
Tel +1 650 933 9800
4/6
Layout of Fuel Tank Breather and Drain Hoses
Multistrada V4 Model Year 2021 (all model
versions)
Service Repair Bulletin SRV-SRB-21-051

L.39 Button Tie (7): tie connecting fuel tank canister filter breather hose/drain hose to
expansion reservoir drain hose.

L.39 Button Tie (8): tie the purge valve/front head knock sensor and front lambda sensor 1
branch (where present) to the hose running from the engine to the purge valve.

Hose Grommet (9): Route front lambda sensor cable 1 (where present) inside the hose
grommet.
Ducati North America
www.ducati.com
1292 Reamwood Ave.
Sunnyvale CA, 94089
Tel +1 650 933 9800
5/6
Layout of Fuel Tank Breather and Drain Hoses
Multistrada V4 Model Year 2021 (all model
versions)
Service Repair Bulletin SRV-SRB-21-051
WARNING
Make sure that all the hoses (especially the green hose from the canister filter to the
fuel tank plug and the blue breather hose from the canister filter to the “Y” union) are
not blocked/pinched as shown in the figure.
For questions about this Service Bulletin,
please contact your Service Area Manager.
Ducati North America
www.ducati.com
1292 Reamwood Ave.
Sunnyvale CA, 94089
Tel +1 650 933 9800
6/6