Used Brake fluid + water 50%/50%
let pipe full overnight.
or
Use a GLP gas torch to reat the front pipe untill it get red. But this destroy pipe finish.
You need to loose the fork top triple clamps bolts before tightening stem nut.
In a lot of cases, this is the biggest torque on all bolts in a motorcycle. So, don't be gentile or use a torquimeter.
One day, a branch caught my lanyard and send it 10 meters away. It was a 40 minute job to find the thing again.
So, ended turning one for me as a spare.
