Transmission tray par new chain adaptable for motorcycle 50cc Aprilia RX before 2005, Malaguti XSM, XTM since 2019, Generic Trigger, Yamaha DT, MBK Xlimit ...
Technical characteristics of the crown
Drive train type: 420
Number of teeth: 50
Color: anodized gold (golden yellow)
Number of fixing holes: 5
Type of mounting holes: smooth
Dimensions of the rear pinion (see marks on the typical drawing)
A - Fixing center distance: 71 mm
B - Fixing center distance: 114 mm
C - Diameter of fixing holes: 8 mm
D - Inner diameter of the crown: 105 mm
It is essential that you you check the type of drive train you need before ordering. On small motorcycles, most 50cc use the 420 (6mm width, 12.7mm pitch) but some 50s and most 125s use the 428 (7mm width, 12.7mm pitch) even for 125 in 520 (6mm width, 15.8mm pitch). All the parts of the kit, namely the pinion, the chain and the crown.vent imperatively to be of same type.
Compatibility models for guidance, it is advisable to disassemble the part to be replaced beforehand and check the correspondence with pictures and dimensions indicated on the site.