Rebuilding a 2016 - 2017 KTM 125 SX Engine Step-by-Step, Part 2: Top End

Continuing our complete engine rebuild of our seized-up 2016 KTM 125 SX two-stroke, Allan Brown walks through the cylinder repair done by @MillennTechnologies, power valve assembly, piston prep and install, and all the small yet critical steps in between. All the parts were provided as part of the Wiseco Garage Buddy Engine Rebuild kit.
Find Part 1, Bottom End & Clutch here: kzbin.info/www/bejne/rnO3k4ybZsujn9k
Learn more about Garage Buddy here: blog.wiseco.com/garage-buddy-engine-rebuild-kits
Find Wiseco product for your machine: www.wiseco.com/
Learn more about Millennium Technologies: www.millennium-tech.net/

[@agostonczako3748]

I have problems with this same cylinder head, after i torque it, i want to put in the spark plug but that thing spins with my sparkplug in the cylinder head.. what should i do?

[@stanleyshepard6830]

damn it...........breezed over the first part................no help at all...............