DRCZeta - Universal Fork Seal Driver & Replacement Adapters - D59-26-908 Option:Replacement Adapters (D59-26-908) 20 mm back and forth

20 mm back and forth positions from stock handlebar position

These vents will do just that

Additionally

High-quality lubricant specially formulated for the primary chaincase of all big twin motorcycles

Rounding out the list is a shorter removable

DRCZeta - Universal Fork Seal Driver & Replacement Adapters - D59-26-908 Option:Replacement Adapters (D59-26-908) 20 mm back and forthFork seal driving tool for small diameter front fork tube. Can be used for front fork tube diameters ranging from 26 mm to 39 mm. Comes with 2 different sized rubber plastic adapters. Can be used for most conventional and up side down front forks. Ergonomic steel body design for less power and accurate operation.