Suitable for a wide range of older motorcycles equipped with Bosch generators LM/UT 1/142/.., LM/UT 1/154/.., ULA 1B, 1C, 1-CR 13, as well as Stefa generators 221-1 and A3/315-22660.
Originally fitted to the following models:
- Stefa 221-1: Apollo, Fram, Gripen, Husqvarna, Kärnan, Monark, Svalan and Örnen equipped with Husqvarna 120–125 cc engines, as well as Monark and NV (Nymans Verkstäder) equipped with JB 128 cc engines.
- Stefa A3/315-22660: Apollo, Fram, Kärnan, Monark, Mustang, Svalan and Örnen equipped with JB 148 cc engines.
- Bosch LM/UT 1/142/..: NSU Fox, NSU Quick 100 cc, Ilo F60H, R, Ilo FM100, FM100K, FM120, FM120K, MG 125 V, VF, MG 150 I, V, Puch R 125, RL 125, NV 8, 20, 22, 23, 25, Sachs 98, 100, 100/3, 125, 150 cc and 175 cc fan-cooled models, Husqvarna 281, 282 Silverpilen, 283 Guldpilen, Maico F100, Goggo Scooter 150 cc, Sitta Scooter 125 and 150 cc, Monark M87, M88, Gillet 100 and 150 cc, Messerschmitt LK 150.
Fits Bosch generators with the following markings:
LM/UT 1/142/17 L1, R1, L2, R3, L5, L6, L7, L8, R10
LM/UT 1/142/20 L1, R1, L2, R4, L5, L8, L9
LM/UT 1/142/27 R4, R21
LM/UT 1/142/30 R4, L6, R7, L15, L16, R18, L19, R21
LM/UT 1/142/32 L26, L28
(On original generators, the identification marking is always located on the flywheel.)

