MZA Meyer–Zweiradtechnik GmbH
About the manufacturer MZA
German company MZA Meyer-Zweiradtechnik GmbH is one of the largest manufacturers and distributors of spare parts for Simson and MZ motorcycles. The company was founded in 1993 and today it is the market leader in parts for historic two-stroke motorcycles from the former East Germany. At the same time, MZA is the official license holder of the SIMSON brand and continues the tradition of the original East German production.
The MZA range includes more than 9,500 spare parts and accessories – from small screws and fastening elements to complete engines, carburettors, wiring harnesses and chassis components. All parts are based on original documentation and dimensions, so they fit perfectly on models such as:
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Simson S50, S51, S53, S70 (ELECTRONIC and ENDURO)
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Simson Schwalbe KR51
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Simson SR50 / SR80
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MZ ETZ 125, 150, 250 and 301
MZA provides the production of original SIMSON parts under its own brand and also distributes verified products from other traditional manufacturers such as AMAL, BVF, PLITZ, IFA, KOWALIT, MEGU, MOTOFLEX, SWH, BAB, ALMOT, EHR, FERO and others.
MZA is built on the following values:
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precise German workmanship
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long service life and reliability
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availability of replacement components
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fair price-to-quality ratio
Thanks to its own development and production, MZA helps to keep legends such as Simson and MZ on the road even after decades. If you are looking for spare parts with guaranteed origin and quality, MZA is a safe choice.

70cc Cylinder Head VENANDI (MZA) – Simson S70, S83, M700

Adjusting the rear shock absorber SWH with external spring, LEFT (MZA) - Simson, MZ ETZ, TS

Adjusting the rear shock absorber SWH with external spring, RIGHT (MZA) - Simson, MZ ETZ, TS

Adjusting the rear shock absorber SWH with internal spring, LEFT (MZA) - Simson, MZ ETZ, TS

Adjusting the rear shock absorber SWH with internal spring, RIGHT (MZA) - Simson, MZ ETZ, TS


AIR filter (MZA) - Simson

AIR filter (MZA) - Simson


AIRBOX (MZA) - Simson

Alternator carbon 8046.2-223 (MZA) - MZ ETZ

Angular shift lever (MZA) - Simson S51, S53, S70, SR5


Base plate of ignition, BLACK (MZA) - Simson


Base plate of ignition, RED (MZA) - Simson

Bath towel Simson 150x100cm, BLACK (MZA)

Battery holder (MZA) - Simson S50, S51, S53, S70, S83

Battery strap (MZA) - Simson


Bike cover 189x88x120cm (MZA) - Simson


Bike cover 216x92x131cm (MZA) - MZ ETZ


Bolt of shift drum (MZA) - Simson S51, S53, S70, S83, SR50, SR80, KR51/2


Bolt of telescope spring, LOWER (MZA) - Simson


Bolt of telescope spring, UPPER (MZA) - Simson

Bowl of engine suspension rubber (MZA) - Simson S50, S51, S53, S70, S83


Bowl of steering bearing (MZA) - Simson

Bracket, retaining tongue for throttle twist grip (MZA) - Simson

Brake key lever, rear (MZA) - MZ ETZ, ES, ETS, TS

Brake key with contact pin (MZA) - Simson

Brake key without contact pin (MZA) - Simson

Brake key, rear (MZA) - MZ ETZ, ES, ETS, TS

Brake light switch holder (MZA) - Simson S51, S70, S53, S83

Brake plate without hole for brake light switch, REAR (MZA) - Simson


Brake shield with hole for brake light switch, REAR (MZA) - Simson


Brake shield, FRONT (MZA) - Simson

Brake shoes ø124 m, SPORT (MZA), set - Simson

Brake shoes ø124 mm, set (MZA) - Simson

Brake shoes ø124 mm, SPORT tuning (MZA), set - Simson

Brake shoes ø150 mm, set (MZA) - MZ ETZ, ES, ETS, TS

Brake switch, FRONT (MZA) - Simson, MZ, JAWA 350 638-640

Brake switch, REAR (MZA) - Simson, MZ

Cable set (4 pcs), GREY (MZA) – Simson S50

Capacitor (MZA) - Simson, MZ


Capture of wheel reaction, POLISHED (MZA) - Simson


Capture of wheel reaction, UNPOLISHED (MZA) - Simson

Carburetor 24N2-1 (MZA) - MZ 150 ETZ, 150 TS


Carburetor cap BVF 16N1 (MZA) - Simson


Carburetor cap BVF 16N3 (MZA) - Simson

Carburetor float (MZA/ BVF) - Simson

Carburetor slider AMAL (MZA) - Simson

Carburetor slider BVF 16N1 (MZA) - Simson

Carburetor slider BVF 16N3 (MZA) - Simson


Carburetor Ø18 mm (MZA / AMAL) - Simson (60ccm - 70 ccm)


Carburetor Ø19 mm (MZA / AMAL) - Simson (60ccm - 70ccm)


Carburetor Ø21 mm (MZA / AMAL) - Simson (60ccm - 70ccm)


Carburettor 16N1-11 (MZA / BVF) - Simson S51,S70


Carburettor 16N3-4 (BVF) - Simson S51, S53, S83, S70


Carburettor 16N3-5 (MZA / BVF) - Simson S70, S83


Carburettor 17/15/1103 (MZA / BING) - Simson S51, S53

Carburettor 19N1-11 (MZA / BVF) - Simson S51,S70


Chain case cover, BLACK (MZA) - Simson S50, S51, S70, Schwalbe

Chain case cover, BLACK (MZA) - Simson SR50, SR80


Chain case cover, CHROMED LOOK (MZA) - Simson S50, S51, S70, Schwalbe


Chain case cover, CHROMED LOOK (MZA) - Simson SR50, SR80

Chain guard (bakelite), BLACK (MZA) – Simson SR50, SR80

Chain set 31z./16z. (MZA) - Simson SR50, SR80

Chain set 34z./15z. (MZA) - Simson S51, S53, S70, S83


Chain tensioner (MZA) - Simson

Chain, secondary 110 links 1/2 x 5,4 (MZA) - Simson S51, S53, S70, S83

Chain, secondary 112 links 1/2 x 5,4 (MZA) - Simson S50, KR51/2

Chain, secondary 94 links 1/2 x 5,4 (MZA) - Simson SR50, SR80


Charging coil 12V 21W (MZA) - Simson


Charging coil 6V 21W (MZA) - Simson


Charging system 6V (8871.6/2) (MZA) - Simson S51, S70


Charging system 6V 25W (8871.3) (MZA) - Simson S50B, S50B1


Charging system 6V 35W (8871.5) (MZA) - Simson S50B2

Choke body, "arrow logo" (MZA) - Simson

Choke body, "START logo" (MZA) - Simson

Clipboard lock (MZA) - Simson S50, S51, S70

Clutch basket bushings, 2 pcs (MZA) - Simson

Clutch basket with pinion (MZA) 62+21 - Simson S70, S83, SR80

Clutch basket with pinion 62+21 (MZA) - Simson S70, S83, SR80

Clutch basket with pinion 65+20 (MZA) - Simson S51, S53, SR50, KR51/2

Clutch basket with pinion 65+20 (MZA) - Simson S51, S53, SR50, KR51/2

Clutch carrier (MZA) - MZ 250/251/301 ETZ 250 TS


Clutch carrier (MZA) - Simson

Clutch control lever (MZA) - Simson

Clutch cover gasket (MZA) - Simson

Clutch cover gasket 0,50 mm (MZA) - Simson

Clutch drive pinion 20t. (MZA) - Simson S51, S53

Clutch drive pinion 21t. (MZA) - Simson S70, S83

Clutch plate, sheet metal 0,6 mm (MZA) - Simson S51, S70, SR50, KR51/2

Clutch plate, sheet metal 1,0 mm (MZA) - Simson S51, S70, SR50, KR51/2

Clutch plates (5 pcs), sheet metal (MZA) - MZ 125/150 ETZ, TS, ES

Clutch plates 4pcs (MZA) - Simson

Clutch rod, long (MZA) - Simson S50, KR51/1, SR4-2/3/4, Duo 4/1

Clutch rod, long (MZA) - Simson S51, S53, S70, SR50, KR51/2

Clutch rods, set (MZA) - Simson S51, S53, S70, S83, SR50, SR80

Clutch shaft (MZA) - Simson

Clutch sprocket, primary (MZA) - MZ 125/150 ETZ, TS


Clutch, complete (MZA) - Simson S51, S53, S70, SR50, KR51/2

Connecting rod 85mm, tet (MZA) - Simson

Connecting rod bearing 12x16x13, upper (MZA) - Simson

Connecting rod bearing 18x24x13, lower (MZA) - Simson

Connecting rod pin, lower (MZA) - Simson

Connecting rod, complete (MZA) - Simson S50


Contactless ignition 12V VAPE, TUNING (MZA), complete - Simson S50, S51, S70


Cover of clutch (DZM Drive, 4-Speed), POLISHED (MZA) - Simson S51,S53,S70,SR50


Cover of frame (MZA) - Simson SR50, SR80


Cover of front light, BILUX (MZA) - Simson S50, S51, S70


Cover of ignition, ALUMINIUM (MZA) - Simson S51, S70, SR50, SR80, KR51/2


Cover of ignition, POLISHED (MZA) - Simson S51, S70, SR50, SR80, Schwalbe KR51/2

Cover of rear lamp, 100 mm (MZA) - Simson, MZ

Cover of rear lamp, 120 mm (MZA) - Simson, MZ


Cover of rear shock absorbers (length 14,6cm), BLACK (MZA) - Simson


Cover of rear shock absorbers (length 14,6cm), CHROME (MZA) - Simson


Cover of rear shock absorbers (length 17,0cm), CHROME (MZA) - Simson


Cover of rear shock absorbers (length 17,5cm), BLACK (MZA) - Simson


Cover of speedometer (MZA) - Simson SR50, SR80

Cover of speedometer / rev-counter, D=60mm (MZA) - Simson S51, S53, S70, S83

Cover of speedometer, D=48mm (MZA) - Simson S51, S53, S70


Cover of wheel hub, ALUMINUM (MZA) - Simson


Cover of wheel hub, POLISHED ALUMINUM (MZA) - Simson

Cover of winker, SQUARE, set (MZA) - Simson


Cover plate of clutch (MZA) - Simson S51, S70, SR50, KR51/2

Crankshaft (MZA) - MZ 125/150 ETZ

Crankshaft (MZA) - MZ 250,251,301 ETZ


Crankshaft (MZA) - Simson S50


Crankshaft (MZA) - Simson S51, S53, SR50, KR51/2


Crankshaft (MZA) - Simson S70, S83, SR80


Crankshaft, TUNNING (MZA) - Simson S51, S53, S60, S61, SR50, KR51/2 *


Crankshaft, TUNNING (MZA) - Simson S70, S83, SR80

Cylinder damping inserts, 4pcs (MZA) - MZ 125/150 ETZ

Cylinder Damping Inserts, Set of 4 (MZA) – MZ 250/251/301 ETZ

Cylinder head 60cc VENANDI (MZA) – Simson S51, S53, SR50, KR51/2

Disc spring of clutch 1,5 mm (MZA) - Simson S51, S53, SR50

Disc spring of clutch 1,6 mm (MZA) - Simson S70, S83, SR80

Disc spring of clutch 1,8 mm SPORT (MZA) - Simson S70, S83, SR80

Drive shaft, 3-speed (MZA) - Simson

Drive shaft, 4-speed (MZA) - Simson

Drive shaft, 5-speed (MZA) - Simson


Driver for kickstart with pin (MZA) - Simson S51, S53, S70, SR

DT80-style cylinder head VENANDI (50cc), TUNING (MZA) – Simson S51, S70, M500/M700


Elba (8872.10) 12V 2x21W 5A (MZA) - Simson


Elba 6V (8871.10/1) 2x21W 5A (MZA) - Simson

Electric starter 12V EMZA + PVL, (MZA) - Simson


Engine 50ccm, 4-speed (MZA) - Simson S51, S53, SR50, KR51/2

Engine 60 cc, 4-speed, painted (MZA) – Simson S51, SR50

Engine 70 cc, 4-speed, cylinder liner Ø53 mm, painted (MZA) – Simson S70, S83, SR80

Engine and frame screws, set (MZA) - Simson S51, S70

Engine block seal, crankcase (MZA) - Simson


Engine box 50 ccm (Ø46,1), bare (MZA) - Simson S51, S53, SR50, KR51/2


Engine box 70 ccm (Ø50,1), bare (MZA) - Simson S70, S83, SR80

