12 teeth 520 box output sprocket Yamaha YZ 125, YZF 250, WR-F... ProX

Pinion 12 teeth Pro X Yamaha YZ 125, YZ-F 250, WRF...

New gearbox output sprocket adaptable for motorcycles cross, enduro 125cc, 250cc Yamaha YZ, YZ F, WR F...

Front sprocket technical characteristics and dimensions

• Mark: ProX
• Manufacturer Part Number: 07.FS22005-12
• Transmission type (steps): 520
• Number of teeth: 12
• Material: steel
• Colour: grey
• Thickness: 6 mm

Dimensions of the front toothed pinion (see marks on the typical drawing)

• A - Inner width (outer diameter of gearbox shaft): 22mm
• B - Inner width: 20 mm

Before ordering, it is essential to ensure the type of transmission you need. All the parts, namely the chain, the pinion and the crown, must have the same pitch. To find out more, click this link.

Applications:

Gas-Gas EC 250 F 2010 2015
Gas-Gas EC 300 F 2013 2015

Yamaha WR 250 F 2001 2025
Yamaha WR 250 R 2008 2020
Yamaha WR 250 X 2008 2011
Yamaha YZ 125 2005 2025
Yamaha YZ 125 X 2020 2025
Yamaha YZ 250 F 2001 2025
Yamaha YZ 250 FX 2015 2025

Fantic XE 125 2021 2024
Fantic XEF 250 2021 2024
Fantic XX 125 2021 2025
Fantic XXF 250 2022 2024
Fantic XEF 310 2024 2024

ProX is a Dutch brand specializing in the production of engine parts for quads and motorcycles. cross and enduro. To find out everything about the brand and discover our range of products Prox, click on this link.