92KK 84WW Olaf

Life time member

Number of posts : 7666
Early ones on the speedo side have two fuel lights, left one is orange and has 7L, right one is red and 4L.
The bolted on gas tank is mated to the early one, if your tank is NOT bolted you need the later one. You can also fit a gauge for the later tank [sensors also differ] as plug and play, the loom is ready for it, but not the early one.
Another but less reliable clue is early ones have the pillion grab handles in the seat but these often get changed.
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1992 K100LT 0193214 Bertha Blue 101,000 miles
1984 K100RT 0022575 Brutus Baja Red 578 bought 36,000 now 89,150 miles
1997 K1100LT 0188024 Wotan Mystic Red 689 58,645 now 106,950 miles Deceased.
1983 K100RS 0011157 Fricka 606 Alaska Blue 29,495 miles Damn K Pox Its a Bat outta Hell Now 58,200 miles.
1996 K1100LT 0233004 Lohengrin Mystic Red 38,000 miles currently 42,640 miles.
1983 K100RS 0004449 Odette R100 colours 58,000 miles. Sprint fairing now 59,460 miles
Past:
1968 Yamaha 80 YG1
1971 Yamaha 125 YAS-1
1968 Honda 125 SS
1970 Honda CD 175
1973 Honda CB500-4
Honda CX 500