VEHICLE DESCRIPTION: MOTORCYCLES. OIL CAN LEAK FROM BETWEEN THE CRANKCASE HALVES.
THIS CAN RESULT IN OIL SPILLAGE FORWARD OF THE REAR TIRE AND COULD, IN SOME CASES, CAUSE VEHICLE INSTABILITY.
DEALERS WILL REPLACE THE LOWER CRANKCASE BOLTS.
The 1999 Triumph Thunderbird Sport has 1 NHTSA recall campaign affecting an estimated 1,198 vehicles. Recall repairs are always free at any authorized dealer. Last updated July 5, 2026.
VEHICLE DESCRIPTION: MOTORCYCLES. OIL CAN LEAK FROM BETWEEN THE CRANKCASE HALVES.
THIS CAN RESULT IN OIL SPILLAGE FORWARD OF THE REAR TIRE AND COULD, IN SOME CASES, CAUSE VEHICLE INSTABILITY.
DEALERS WILL REPLACE THE LOWER CRANKCASE BOLTS.
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL, FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 1999 Triumph Thunderbird Sport as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.