Here is the Ø17,5mm carburetor from TUN 'R by YSN, model PHBN. This carb has a separate lubrication and vacuum outlet but also 2 connections that you can link to the cylinder head on liquid cooled engines so that the carburetor does not freeze in very cold weather, delivered with shutter so no obligation to do so. use! Equipped with a cable choke and its mounting is flexible for female intake pipe or flexible sleeve. This PHVA carburetor will be able to be mounted on your 103 / MBK 51 mopeds, mécaboites and scooter, it is up to you to adapt it appropriately (pipe, sleeve, fittings, ...) Its diameter for the air filter is 37mm (external measurement).
This carburetor is certainly not DELLORTO quality but not TNT either ... Its finish is smooth and clean. Some complaints despite everything ... non-certified parts (jets, needle, ...). Apart from that, we recommend it for those who use their 2 wheels every day. It has a multitude of adjustments: richness screw, idle jet, needle valve,… An excellent compromise between performance / aesthetics / low price! It is also important to know that all DELLORTO parts are mounted on this carburetor. Delivered as presented, complete.
Summary :
Starter: cable
Possibility of vacuum valve: yes, delivered with shutter.
Separate lubrication: yes, delivered with shutter
Flexible mounting for sleeve or pipe Ø24mm anti-slip lip
Air filter fixing: unthreaded Ø37mm
Carburetor delivered with the following settings :
Main jet big step 90
Needle A12
40 ° cutting bushel
Idle jet size not listed
Choke jet size not listed
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