Hey all,
As my bike has been sitting for a while, the chain developed a bit of rust, over overall just needs to be replaced.
On my other bikes, 600, 675 cc bikes, I typically did a -1/+2 sprocket size conversion, and liked the pep it gave off the line.
Has anyone done a similar change to their rvf400s? How did it feel and how much affect on top speed did it have?

Stock is a 15/38 and I think a 525 size 102 link chain.
Looking to change to a 14/40 with a 520 size 102 link chain. Will this work or do I need a longer chain?

Thanks all!