Hi your looking at my 1977 Yamaha yz 400 had a lot of piston rattle but it did start when pop started compresstion is low . will need top end rebuild . dose have spark . missing boot form carb. to air box . previous owner got crazy with the spray paint. it started life white. its being sold as is. one hundred dollar deposit is nonrefundable . for more info. call me @ 607 743 8773 (dosen't come with siliencer not incluided ) left side panel is missing . This is a off road vechile and dosen't have a title or reggie . buyer is responsable for setting up any shipping or transport comp. i will try to get more pics. soon