Waking Up a Porsche Junior 108 After 25 Years of Sleep

M. Bjoernstroem August 4, 2025
Video Thumbnail
M. Bjoernstroem Logo

M. Bjoernstroem

@m.bjoernstroem

About

My name is Mattias, living in Northern Sweden close to the Arctic Circle. Most things I do are based on a feeling — planning has never been my thing.

Video Description

*English subtitle available* 00:00 – Bringing the old Porsche Junior 108 out of the barn 05:12 – Cleaning off years of dirt and grime 06:34 – Going through the old tractor – inspection and plans 13:06 – Replacing the old tires 18:09 – Removing the cab and installing new tires 20:50 – Towing the tractor to the garage 21:26 – Installing a new fuel filter and remounting the fuel tank 24:57 – Compression issues – removing the cylinder 34:31 – Two weeks later – new parts have arrived 35:45 – Setting up and testing my new parts washer 41:57 – Replacing piston and cylinder on the Porsche Junior 108 46:29 – Reinstalling the oil bath air filter with a new gasket 47:57 – Adding oil to the valves and reassembling with a new gasket 48:36 – Mounting a new fuel return hose, adding diesel and topping up engine oil 50:28 – First start test after over 25 years of sitting 51:34 – Fixing an issue with the diesel pump 1:01:50 – Second start test of the Porsche Junior 108 1:02:38 – First test drive 1:03:54 – Changing all transmission oils in the undercarriage 1:09:33 – Replacing the battery 1:10:28 – Reinstalling all parts 1:12:44 – Greasing up the old machine 1:13:26 – Picking up all the accessories for the Porsche 108 1:14:41 – Preparing the sickle mower and tracks for mounting 1:20:10 – Mounting a brand new Porsche Diesel seat cushion 1:20:54 – Talking about possible upgrades and future plans 1:22:24 – Taking the Porsche for a ride