Originally Posted by
damo666
I've just got a used mg66 and gx5r, I'm yet to try them but the low end needle looks different on both carbs? The mg66's looks shorter than the gx5r so will it tune different?
Thanks
Both low speed needles on those two motors should be the same. I would say someone has either shortened the needle in the MG66 themselves, or purchased the optional short needle for it.
The short needle will be fine, it just tunes different to the longer one.