Yamaha Motor USA - Yamaha of Yesterday 1981 YZ125H. The world's first production, liquid-cooled motocross bike, the YZ125H featured a small aluminum radiator attached to the triple clamps and mounted behind a
![1981 Yamaha IT125- Based on the YZ100 chassis and motor, the bike was small and light, though underpowered for serious c… | Vintage bikes, Vintage motocross, Yamaha 1981 Yamaha IT125- Based on the YZ100 chassis and motor, the bike was small and light, though underpowered for serious c… | Vintage bikes, Vintage motocross, Yamaha](https://i.pinimg.com/originals/db/3c/b2/db3cb2970bf2bc95bb16e08205a09d02.jpg)
1981 Yamaha IT125- Based on the YZ100 chassis and motor, the bike was small and light, though underpowered for serious c… | Vintage bikes, Vintage motocross, Yamaha
![1981 yz125 restoration finally done - Old School Moto - Motocross Forums / Message Boards - Vital MX 1981 yz125 restoration finally done - Old School Moto - Motocross Forums / Message Boards - Vital MX](https://p.vitalmx.com/photos/forums/2018/05/04/259250/s1200_1C97D906_6F11_4F04_9806_EC9CE81D2CA7.jpg)
1981 yz125 restoration finally done - Old School Moto - Motocross Forums / Message Boards - Vital MX
![1981 yz125 restoration finally done - Old School Moto - Motocross Forums / Message Boards - Vital MX 1981 yz125 restoration finally done - Old School Moto - Motocross Forums / Message Boards - Vital MX](https://p.vitalmx.com/photos/forums/2018/05/04/259138/s1200_E2875293_B0C1_499E_AD60_22A21E85BC08.jpg)