When the 3cyl range was introduced in 84, Initially the 3cyl Yamaha 40 and 50 were the same, 60 and the 70 were the same, and the 80/90 were the same (as were the earlier 75 and 85 which had low comp heads, and were aimed more at commercial sector)
In mid 90's Yamaha then released the 50g in Europe which was a detuned 60/70hp instead of the smaller block 50 which came before.
Nothing on your 60f will fit a 50d. Sell it to someone who has a 50G/60/70hp.
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