Here is the Ø17.5mm carburetor from TUN 'R by YSN, PHVA type black edition model. This racing look carburetor has several characteristics. It is in flexible Ø29mm assembly with anti-slip lip, has a depression, a separate lubrication (for the latter two, you do not have to use it, shutters / plugs are delivered), an internal cooling system and is mainly intended for those who wish to install it on their mécaboites / scooters with electric starter. Its diameter for air filter is 37mm unthreaded (external measurement).
Like all YSN carburetors, they are made in Asian countries. Let's be clear, this is a quality carburetor, with a very correct finish, easy adjustments to perform,… and significantly improved performance! However, not to compare to real DELLORTO but far from being TNT, it is an absolute compromise between correct quality / performance / low price!
Some complaints despite everything ... non-certified parts (jets, needle, ...) but apart from that, we recommend it for those who use their two wheels every day. It has a multitude of adjustments: richness screw, idle jet, needle valve, ... Precise and efficient, you will have no trouble finding spare parts.
However, think about a good cleaning, adjustment and assembly to obtain a satisfactory result. It is also important to know that all DELLORTO parts are mounted on this carburetor. Delivered as presented, complete.
Summary:
Electric starter
Vacuum valve: yes, delivered with shutter
Separate lubrication: yes, delivered with shutter
Internal cooling system
Flexible mounting for Ø24mm sleeve or pipe with anti-slip lip
Ø37mm unthreaded air filter fixing
Carburetor delivered with the following settings:
Main jet big step 95
A2 needle
Float gram not indicated
Bushel cut not indicated
Needle well size not indicated
Idle jet 38
Choke jet size not specified
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