RACING INLET RUBBER

[mickdale]

what is the "bellmouth" style rubber/plastic inlet thats used on the carbs for racing

is it off a gillera?
anyone know the diameter?
assume its ok to cut a hole in the panel on group 4
cheers
mick

[wack 63]

Got one on the Team DKS group 4 but not sure what it is off,try ringing Chalkie at Replay .

[paulmgreen]

Commonly used ones re from an Aprilia..... As above Chalky at Replay will sort you out . What carb are you running?

[mickdale]

hello paul
30mm vhsh carb at the mo but will probably change

sorry to ask a stupid question:
regs say no modifications to headset but assume its ok to cut a hole in the panel for group 4 and cut the rear runner a bit for brake pedal in non stanard position

also ok not to use rear frame grille and rear light housing - if this is ok is it ok not to run hornacst grille?

cheers
mick

[paulmgreen]

I assume you are talking about Gp 4 ?...

Holes to suit carb are ok in side panels.... As are for rear set.... They can't be huge though .... Just enough for clearance !

The real light housing and horn casing grill need to be fitted. Rear lens doesn't though. Rear frame grill can be left off ( usually covered by race seat anyway)


The Aprilia hoses would be too big I think for a 30mm carb......

[mickdale]

thanks paul

the motor im getting wouldnt make group 4 but want the scoot to be in compliance as i might think about it

suppose it would have to be "street class" or "6"

[paulmgreen]

Street Class is the easiest way to get on track and actually in some ways te most open class as far as modifications goes.

[GP Kevo]

Are these basically the same as a velocity stack?

[mickdale]

they are just a plastic / rubber hose shape, like a bellmouth but straight without a cone profile

i believe they smooth out the carburation

[GP Kevo]

I see. Are velocity stacks legal? Some of you guys not wanting to go the air filter route might be interested in these.