Sachs 

 

50cc

Year

Model

Con rod casting No.

Big end Part No.

Cage Part No

Small end Part No.

MAIN BEARINGS

Drive Side

Timing Side

1954-59 Model 50

SC1

SE138

A15

A15

 

175 & 200cc

Year

Model

Con rod casting No.

Big end Part No.

Cage Part No

Small end Part No.

MAIN BEARINGS

Drive Side

Timing Side

1953-60 Early type con rod has no slots in the big end eye

SC3

    Each of these types of big end are employed with 15mm small ends reference SE154 and 18mm bushes reference SE155. Similarly all types may have 20mm diameter main-shafts fitted with R320P or 25mm main-shafts fitted with R125P bearings.
1959-66 Later type con rod has oil slots in big end eye

SC3S

   
1962-66 Latest type big end slightly larger then preceding patterns

SC4

   

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