From Petcock to carbs

General forum on engines, transmissions, gearing and modifications to each

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valhalla850i
Posts: 13
Joined: Fri Jun 30, 2023 4:05 pm

From Petcock to carbs

#1 Post by valhalla850i » Thu Jan 04, 2024 12:17 am

Does anyone have a picture or diagram of the fuel lines from the petcock to the carbs on a US model RZ350? Only having experience working on MX bikes which had one fuel line and one carb. I have never seen two petcock fuel lines and two carbs before. Do I just run a line from each petcock line to each carb? Also on the petcock line towards the front of the bike, it swivels and can be pulled out. It seems to have an O ring gasket on it so I pushed it back in ... but that seems odd to me? Any help appreciated.

85RZwade
Posts: 396
Joined: Tue Nov 12, 2019 5:49 pm
Location: Southwet Washington

Re: From Petcock to carbs

#2 Post by 85RZwade » Tue Jan 23, 2024 5:15 pm

You should have a fuel supply line with a T to supply each carburetor, and a vacuum line. The supply line is larger in diameter.
85 RZ350 daily rider Toomeys, FZ swinger & wheel, Fox shock, Raasks
85 RZ350 JLs, FZ swinger, Katana rear & CBR929 front wheel, CBR600F4 forks & brakes
75 RD350 Ritter-tuned top end, PWK28s, JLs, HPI, TDR wheels, GSX-R forks, Motolana swinger

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