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MAZDA RX7 NIKKI AIR VENT

Posted: Sun Dec 02, 2018 8:08 pm
by elz13b
Got a nikki carb for my rx7 series 3 but has some differences.
The new one has the air vent solenoid section blocked off with a welch plug from factory and no place for the vacuum hose that goes to the canister.
Why was it designed without one?
Where does the vapour vent to in this case?
I have attached photos of both my original one and the new one going into it.