Motorcycle Questions? Ask a Mechanic.
Hi Susan and welcome to JustAnswer,Thank you for the question and your patience. Should you still need assistance for information purposes only...Initially, the MC-100 Roketa model or even the Jinlun 250 V-Twin are clones of the Yamaha XV250. Hence the Yamaha XV250 Service Manual should serve similarly for this Chinese models.
Please click HERE.
The manual is in a Portable Document Format (PDF) file and can be viewed in most web browser. Click on the link to open the file or right click then select “Save As…” to download the file. It would require Adobe Acrobat Reader or equivalent for this purpose.