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Service bulletin G_230137_TC_EN

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10232625
Published by NHTSA2023-03-07
Manufacturer's numberG_230137_TC_EN
Manufacturer's date2023-02-02
NHTSA componentEQUIPMENT; ENGINE AND ENGINE COOLING

NHTSA's summary

Model: Moto Guzzi V100 Mandello - Mandello S Subject: Exhaust manifold lower fixing screw Dear Dealer / Service Centre / Authorised Workshop, We hereby inform you that in order to compensate for the thermal expansion of the metal of the exhaust assembly assembled on the vehicles in question, the lower fastening screw of the exhaust manifold code 2B011592 must protrude by about 5-10 mm from the support and tightened to the prescribed tightening torque of 25 ± 4 Nm (see photo 1). In view of the above, all Moto Guzzi V100 Mandello motorcycles have been and are produced with this fixing peculiarity and any modification to what is prescribed could lead to breakage, distortion or anomalous noise.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine, Equipment and accessories

Vehicles listed
MOTO GUZZI V100 MANDELLO2023 (the catalog's model; the bulletin names a series or trim of it)

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
G_230920_TC_EN2023-11-08. Service bulletin. Through the ongoing, stringent quality control activities we perform on the components installed on our vehicles and our continuous research to develop better new technical solutions, in keeping with our commitment to ensure the best ownership experience possible for the customer, with this note we wish to provide you with a Trouble shooting guide for resolving the following problems. for the vehicles in question 1. Starting difficulties, irregular power delivery, sporadic switching off at idle. 2. Incorrect gear number display on instrument panel. 3. ABS icon flashing on instrument panel and error C1715 (MEM or ATT) present in the ABS ECU. 4. Anomalous absorption of the instrument panel.