This is a service manual for the Honda NS-1. I purchased it on a flea market site several years ago. It includes two supplementary editions. It shows considerable signs of use, with stains and paper swelling from moisture. The contents appear to be clean. It's still usable. Thank you. HONDA NS-1 service manual, providing detailed maintenance information. - Brand: HONDA - Model Name: NS-1 - Type: Service Manual - Number of Pages: Detailed information over multiple pages Thank you for viewing.