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Service bulletin SB-398

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 id10030791
Published by NHTSA2009-12-03
Manufacturer's numberSB-398
Manufacturer's date2008-12-01
NHTSA componentSERVICE BRAKES, HYDRAULIC

NHTSA's summary

TRIUMPH MOTORCYCLE: REPLACEMENT OF FRONT CALIPER BOLTS AND BRACKET. A NUMBER OF THRUXTON MOTORCYCLES MAY HAVE A PROBLEM WITH THE FRONT BRAKE CALIPER BOLTS. THE INSTALLED BOLTS MAY BE TOO SHORT, REDUCING THREAD ENGAGEMENT OF THE BOLTS INTO THE BRAKE CALIPER BRACKET. NO MODEL YEARS LISTED. *PE

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Brakes

Vehicles listed
TRIUMPH THRUXTON2004
TRIUMPH THRUXTON2006, 2007, 2008, 2009, 2010

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

Recalls for the same vehicles and component
20084352008-12-05. Brakes
08V6240002008-11-26. SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
SMT-TN174-20Marc2017-12-14. Service bulletin. Technical News 174 provides instructions that apply to Front Brake Calipers, Rider Configurable Modes, Breather Cover Bolts Tightening Sequence, Crankcase Tightening Sequence, Left and Right Hand Switch Housings, Owner's Handbook - Rake Specification Correction, Headlight Wiring Harness Routing, Silencer Alignment_DZ, Rear Indicator Bracket, Master Cylinder Hose Inlet Replacement, FOX Accessory Rear Suspension Unit, Clutch Lifter Piece, Regulator Rectifer Parts Kit, Scheduled Maintenance Chart - Ait Cooled Bonneville Models, Service Manual - Rear Disc Runout Specification Correction.
SMT-TN174-20Marc2017-11-03. Service bulletin. Technical News 174 provides instructions that apply to Front Brake Calipers, Rider Configurable Modes, Breather Cover Bolts Tightening Sequence, Crankcase Tightening Sequence, Left and Right Hand Switch Housings, Owner's Handbook - Rake Specification Correction, Headlight Wiring Harness Routing, Silencer Alignment_DZ, Rear Indicator Bracket, Master Cylinder Hose Inlet Replacement, FOX Accessory Rear Suspension Unit, Clutch Lifter Piece, Regulator Rectifer Parts Kit, Scheduled Maintenance Chart - Ait Cooled Bonneville Models, Service Manual - Rear Disc Runout Specification Correction.
TB-1042009-12-03. Service bulletin. TRIUMPH MOTORCYCLE: HEADERS DISCOLOURATION, CAMSHAFT COVER, HORN, BRAKE CALIPER SLIDING PIN GREASING, CAMSHAFT CAP LADDER BOLTS TIGHTENING SEQUENCE, OIL PRESSURE RELIEF VALVE, NEW COOLANT, WARNING LABELS, ENGINE CONTROL MODULE (ECM) BRACKET, FORK SHROUDS, AND DRIVER CHAIN FREE MOVEMENT. DEALERS TO CHECK MOTORCYCLES PRIOR TO BEING DELIVERED TO CUSTOMERS. NO MODEL YEARS LISTED. *PE