View Full Version : rs270cc conversion kits ???

03-26-2010, 12:32 PM
has anyone used these kits or are there a no no? i have a spare aprilia engine and want to know would it be better going for this kit or the 300cc conversion kit from stan any advice would be grate cheers adam

03-26-2010, 07:04 PM
I have heard thet the 300 jobby tends to make cranks let go whereas the 270 kit leads to big carburation problems