Primary Chain Adjuster Plug O-Ring, Triumph 650/750
Primary chain oil drain and adjuster plug Viton o-ring.
OD: 7/16″ (11mm)
ID: 5/16″ (7.4mm)
Thickness: 1/16″ (1.5mm)
For Triumph Unit twins, TR6, T120, TR5T, TR7, T140, TSS, TSX, TR65 (1969 on).
Also used in the tacho drive gear on many Triumph Unit twins to seal the driven gear in the housing.
Made in England.
400418, 573620, 706299, 707431, 708158, E6299, E7431