Originally Posted by
mattwoodcraft
alot of the new os range now use a long LSP needle it must be coming a popular choice with engine manafactor as i have compared lsp needles the os ones are alot thinner
I think the V-Spec has alway's used a long low speed needle. The difference is the Os carb has quite a bit larger spray bar orfice and the Go carb is a direct copy of the Novarossi carb that has a smaller spray bar orfice.
Rex