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Service bulletin GTB2604

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 id11036849
Published by NHTSA2026-09-03
Manufacturer's numberGTB2604
Manufacturer's date2026-08-20
NHTSA componentSERVICE BRAKES

NHTSA's summary

GASGAS North America has determined that a defect which relates to motor vehicle safety exists with certain model motorcycles listed above. During backwards rolling, the rear brake caliper may crack near the primary pin casting, which may cause the caliper to break when riding. Cracks or breaks in the rear brake caliper can reduce braking ability, increasing the risk of a crash. To remedy this defect, the rear brake caliper including the caliper bracket must be replaced on all affected motorcycles.

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

Brakes

Vehicles listed
GASGAS ES 3502024
GASGAS ES 5002024

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