allardvh

hi i've got a Yamaha DT50R 50cc moppet. its made in the year of 1992. i want to replace my engine block with the engine block of a Yamaha DT50R from the year of 2006. can i jsut yake out that 50cc block and place on my frame without any ajustments made on my 1992 frame. please help me, i'm really desperate. thanks