Description:
Pack adds in traffic 38 motorcycles:

BMW S1000RR, K1200S
Honda CB600 Hornet, CBR250R, CBR1000RR, Shadow RS, CB750F
Ducati 999, Monster 1200, XDiavel, Supersport, Multistrada
Kawasaki Ninja 300, ZX-10R, ZX-12R, ZX-14R, Z800, 1400GTR
Triumph Speed Triple
Aprilia Tuono V4, RSV4
KTM 1290 Super Duke GT, 1190 RC8
MBK Nitro
MV Agusta Brutale, F4
Suzuki Hayabusa, GSX-R750
Yamaha MT-10, YZF-R6, YZF-R1, Midnight Star, VMax
Piaggio Vespa 946
Indian Chieftain
Harley Davidson Fat Boy Lo, FXSTC Softail Custom

All standalone, works on any maps.
Compatible with all my packs.
Included two versions: for use only with default traffic and for use with my AI pack.
You must have in mod folder two files:
 motorcycle_traffic_pack_by_Jazzycat_v2.3.scs
and
 motorcycle_traffic_pack_by_Jazzycat_v2.3def.scs    (only with default traffic)
or
 motorcycle_traffic_pack_by_Jazzycat_v2.3jaz.scs    (with my AI pack)
For version 1.33.x

Version 2.3
- added Indian Chieftain and Kawasaki Ninja ZX-14R.

Credits:
Jazzycat