raptormeat
Been Around the Block
Clymer and Factory Manuals Ive uploaded, also the Miikuni VM supetune manual
Clymer Manual includes porting, and expansion chamber design for vintage Yamaha 2 stroke twins
http://www.pdf-archive.com/2015/04/24/clymerrdmanual/
http://www.pdf-archive.com/2015/04/24/yamaha-rd-250-ds7-350-r5c-72-73-service-manual-english/
http://www.pdf-archive.com/2015/04/24/vmmanual/
Clymer Manual includes porting, and expansion chamber design for vintage Yamaha 2 stroke twins
http://www.pdf-archive.com/2015/04/24/clymerrdmanual/
http://www.pdf-archive.com/2015/04/24/yamaha-rd-250-ds7-350-r5c-72-73-service-manual-english/
http://www.pdf-archive.com/2015/04/24/vmmanual/