More than WD-40 I believe the winning card is torque... 70 Nm is by many considered over-torqued. 60 Nm is not that far and makes a difference already.WD 40 will only get you this far. certainly a short term solution.
ahhh the squeaking is caused by the gouging of the swing arm tube on the sealsIs the friction against rubber that makes that noise.
Perfect, thanks for adding the picture, helps me futher explain the issue.ahhh the squeaking is caused by the gouging of the swing arm tube on the seals
View attachment 2838
shim it out and grease it nice
I got by with less torque and more grease