Two Wheels Better

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Number of posts : 4713
If visible and within eyeshot, the easiest way to determine whether K11 or K12, is to look at the engine series/number on the right rear of the block, vertically stacked behind the sump fins.
K1100 are 112 followed by FA & engine sequential numbers, K12 are 124 followed by EA & engine sequential numbers.
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1970 R60/5, '77 R75/7-R100, '85 K100, '87 K75C, '87 K100RS, '93 K11-K12 Big Block, '93 K1100RS, '95 R100-Mystic, '96 K1100RS, '98 K1200RS, '00 K1200RS, '02 K1200RS, '03 K1200GT, '04 R1150R, '04 R1150RT, '05 K1200S, '06 K1200R, '07 K1200R, '09 K1300GT, 2013 R1200RT-P & 2022 S1000XR
"We take our bearings, daily, from others. To be sane is, to a great extent, to be sociable."
~John Updike.