Just been measuring up and found 1 or 2 differences, they are very close, but I would need a spare engine and clutch etc to be sure, but it looks like it will go on a c1j with minimal fuss. This is a 200mm wheel off a Scenic. Here's what I know so far........
1. The centre bores are both the same size.
2. The overall thickness is the same.
3. The clutch cover plates are the same size and orientation.
4. The timing mark is in the same location.
5. The starter ring gear is the same.
What is different???
1. The crank end bolt pattern is ever so slightly different.
2. The width of the clutch spring recess is also smaller. The C1J has a 125mm wide recess and the Scenic one has 112mm wide recess but both of the same depth.
And that's all I know atm. I will try to find a spare clutch plate and cover as soon as I can.