Einhell, Odwerk, Grizzly chainsaw return torsion spring (landing 20 mm)

Return spring (torsion) for chain saw Uralmash PC-2400, Stark, Stark ECS 2400, Al-Ko EKS 2400/40, Expert Garden YT4795, Patriot ESP 1814, Einhell Gh-ec 2040, Royal REK 1840/1, Mc Culloch 1840T, Odwerk BKE 4001, Gorizont PC-250, Centaur SP-224, Craft-Tec, Klever YT4300, CROSSER, Grizzly EKS 2000/6 QT, Titan, Forward, Flora Best EKS 2200 D2, FORTE FES 24-40, MTD ECS 18/35, MEGA HT 24, INTERTOOL DT-2204, Elprom, Sadko ECS-2440, Craft CKS-2250, 2200, SPARKY TV 2240, 2245, TV 1835, Skil 0780 (F0150780RA)

10 right-hand turns
Inside diameter 19.7 mm
Length 25 mm

If the spring "unwinds" after assembly of the gearbox, it means the gearbox was not assembled properly, and the spring is slipping instead of returning to its original position. This is caused by wear on the shafts where it is mounted.