Commuter, often abused in learner hands, strong on engine durability but later chassis parts tend to rot during British winters. Early bikes had drum brakes which aren’t up to much, later bikes had cast wheels and front disc. Engine lasts 30-40k. KH125 has better economy and more speed. KC100 cheaper, slower, economy version.
KH100: 69-93, 99cc t/s single 12hp, 65mph, 70mpg 230lb KH125: 78 on, 124cc t/s single, 15/12hp, 70/65mph, 85/100mpg