Drive sprocket keyway

[LesLeb]

Can anyone help me out and tell me the size of the drive sprocket keyway. Thanks in advance.

 

[Venice Motor Bikes]

Can anyone help me out and tell me the size of the drive sprocket keyway. Thanks in advance.

 

[LesLeb]

View attachment 111049

Bikeberry 48cc

 

[Greg58]

Here you go.

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[wrenching4fun]

You can avoid a lot of frustration by picking up a cheap micrometer from Harbor Freight and learning how to use it. These builds require some fabrication and being able to measure dimensions makes it a lot easier. Just a thought.