« Reply #5 on: October 24, 2018, 07:11:41 PM »
If your tank is bad any 75-77 550F and 77-78 tank will fit exactly. Any 500/550 tank will work without mods, but the 500 and 74-76 550k model tanks are shorter than your stock tank so will have a gap with the stock seat.

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Current: '76 CB750F. Previous: '75 CB550F, 2007 Yamaha Vino 125 Scooter, '75 Harley FXE Superglide, '77 GL1000, '77 CB550k, '68 Suzuki K10 80, '68 Yamaha YR2, '69 BMW R69S, '71 Honda SL175, '02 Royal Enfield Bullet 500, '89 Yamaha FJ1200