Dellorto 17.5mm carb

Hey there guys,

This might sound like a stupid question, but would a Dellorto phbl 17.5mm carb that came off a piaggio nrg fit a x-reg yamaha aerox yq50? Just that I came across one for fairly cheap, and hear that aerox's run 12mms, which is pretty small!

Would this even work on a 50cc aerox? The only modification is a leo vinece TT pipe. The main concern is I don't know if the carb has a manual choke or automatic, or which my bike has? (I know that sounds stupid, and I apologise! I just haven't seemed to have go time to play with the bike at all lol)

Also, I assume i would need a new box of jets, etc?

Thanks, any feedback will be very appreciated!

 

I don't know what jets Aerox's run or what ever but yes a box of jets will be the best way forward and I think it'll be automatic choke. You should be able to tell from the picture and if not just contact the seller.

EDIT : Apologies, when posting meant automatic choke instead of manual. :blush:

 

Thanks mate.

I couldn't tell from the picture or info, so i sent the seller an email. I assume my bikes manual to, as it has sort of leaver on the bottom left side of the handle bar?

So you reckon 17.5mm carb would work on an 50cc aerox? lol. Sorry im being an idiot, i just don't want the old dear to break!

 

The 17.5mm delly's I've seen are all auto choke (the original NRG one's all are), but you can convert them to manual with a kit from dellorto-direct.co.uk.

 

Thanks buddy!

Just looked at the add and it says that the carb is complete but NEEDS a new needle and circlip as other needle was misplaced. Are these hard to come by, if not any links?

 

Nah, they're easy to find. I think stock they come with a W22 needle.

http://scooterbits.co.uk/product/W22_Needle/

And the needle clip:

http://scooterbits.co.uk/product/Needle_Circlip_-_Phva-phvb/

 

ahh awesome bud you've been a great help!

Now just one last question, around what jet size will i need? I know that its all trial and error, and that all bikes are different, but there must be some sort of region where i will the perfect fit.

 

If you can get the airbox on, it'll be in the 60-80 range. Best to get a jet kit like this:

http://scooterbits.co.uk/product/Polini_10_Jet_Box_-_Dellorto_6mm_6413_-_Sizes_60_To_78/

 

Checked the needle, it's actually an A needle. The stock size is out of stock, but this one is almost identical in dimensions: http://scooterbits.co.uk/product/Dellorto_A7_Carb_Needle/

 

Thanks man! I really do appreciate the advice. :good:

I lied when i said last question :grin: Will this actually mean i have any gain in performance? and will it mean my bikes gona give me headaches?

 

So long as it fits in the manifold and air box, it'll certainly be an improvement over the 12mm and gives some breathing space for if you decide to tune it. The other advantage is that jets are so much easier to get for the delly

 

Thanks for the help so far man!

Just one concern, is there a chance that it wont fit? and if not is there away of getting around that?

Thanks once again

 

This is the carb that im talking about! Will this fit on to my aerox, and if so is there any parts i need apart from the ones in the posts above?

http://cgi.ebay.co.uk/dellorto-17-5mm-carb-/180679324774?pt=UK_Motorcycle_Parts&hash=item2a1153b466

Thanks guys

 

If you measure the intake and filter size of the stock carb and compare them to the delly you'll get a good idea if it'll fit. The delly is 35mm airbox side and 24mm manifold

 

Thanks man, you have been a great help!

I'll check my bike tomorrow (it's at my friends house at the moment, bastard rain lol)

 

Sorry to jump on the thread, I'm fitting a 17.5 delli carb to my et2, have a yasuni z exhaust to go on aswell, does anyone know what sort of size jet to start with? As mine is a 12mm Weber standard, thank you

 

It depends how big is your intake funnel on your airbox, for example on 13mm opening on the airbox 60-64main jet is somewhere there, i tune the SR50`s here with 20mm so it uses the whole area of the difusor of the 17,5mm and for 20mm its around 85-95 jet. Take that as a starting point also modify your intake funnel as u wish. Bigger one more performance.