The picture below gives the exploded view of the UMS 5-125 engine. It gives an overview of the different spare parts which can be ordered.

Exploded view of the UMS 5-125

Propeller Drive With Magnet for UMS5-75, UMS5-100

UMS-01070
Bestel

Cilinder (18)

UMS-3030
Bestel

Piston (19)

UMS-3070
Bestel

Piston Ring (20)

UMS5-3060
Bestel

Cilinder Head for UMS5-125, UMS7-160

UMS-5100
Bestel

Valve (24)

UMS-5010
Bestel

Rocker Arm (28)

UMS-5020
Bestel

Drive Lock Cone for UMS7-77, UMS7-90

UMS-2100
Bestel

Propeller Lock Nut for UMS-7-77, UMS7-90

EVO-2900
Bestel

Cilinder Head Gasket for UMS5-125, UMS7-160

UMS-1160
Bestel

Carburetor WT-793A

UMS-793A
Bestel