- Joined
- Jun 14, 2003
- Messages
- 747
Does anyone know why Norton made the 850cc heads with the smaller 30mm intake tracks for only one year? I belive this head is designated RH 10 only the 1974 Commandos were equiped with them. Prior to and after 1974 all 850 heads had the larger 32mm intake tracks.
Thanks,
Jason
Thanks,
Jason