The HS6 shouldnt be too bad but I would probably replace the hose between the float and the carb body just to be safe

Thanks swiss, Checked the vacuume advance today, at idle, there IS suction which did not increase as I increased the rpm, and not at one point did it feel as if it would suck my face off :D If there is suction at idle then the carb is set up for a mini... you should block off the vac advance port a...

Hi and welcome to the forum! I used to go up there a lot as I used to live in Steyning. One of my mates used to live at the bottom of Chantry Lane too! That was when it was actually legal to drive along the south downs way from there, used to drive the tracks all the way to Arundel. Now though you e...

Sent you a PM mate

Good idea, best of luck with it

This is what mine sounds like
And you can definitely tell mine from the drivers seat! You can tell from a good few kilometers away!

You should definitely set the timing with the vacuum advance blocked off, drive it until it feels weird and then check the timing again with the vac advance off. Also, is your vac advance correct. Should have NO suction on the hose at idle and FULL suction on the hose with revs. Put the end on your ...

Out of timing.... so close but not quite

Yeah with a massive exhaust box on it

Derik Woodell in the US (DWR Power on facebook) has been making and selling a GXSR carb intake that should fit.
Probably cost a bit to get it shipped over but I think it would be worth it. Not a commonly found manifold conversion either, so should have a good value in the 2nd hand market