ALL BALLS - Transmission Output Shaft Rebuild Kit (manufacturer part number 25-4031): a kit designed for Yamaha YFZ450R and YFM700R Raptor quads to renew the sealing and components around the output shaft. Designed by All Balls, this kit is aimed at riders and technicians who want to replace worn parts to limit leaks and restore clean operation of the drivetrain.

• Contents: oil seal, O-ring, bushing, and circlip — all the components necessary for the rebuild of the output shaft.
• Usage: refurbishment of the sealing of the output shaft at the case side, replacement of worn components to prevent oil loss and dirt infiltration.
• Category: output shaft oil seal — maintenance and repair part for quads.

Compatible with the following models (examples): YAMAHA YFZ 450 R (2018 - Special Edition), YAMAHA YFZ 450 R (2018), YAMAHA YFM 700 RAPTOR (2014 - Special Edition). Please check the year and part number on your machine before installation.

Kit delivered ready to install. For safe installation and correct alignment, we recommend installation by a professional or an experienced DIYer equipped with the appropriate tools.