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Need help on project

Started by Tropic-al, November 19, 2025, 10:15:47 PM

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SoCal250

#15
December 10, 2025, 11:57:04 PM
Quote from: Tropic-al on December 10, 2025, 08:35:26 PMThe manifolds in the parts bin don't have that top collar to install the connecting tube between both. Is that needed to run ?
The manifolds in the photos above are RZ type and have a port on top to accommodate a crossover tube (or boost bottle), which is a common performance upgrade.
Stock RD400 manifolds do not have the port. It is not required.
75 Yamaha RD125B   75 Yamaha RD125B (project)
75 Yamaha RD250B   75 Yamaha RD200B (project)
73 Yamaha RD350     77 Yamaha RD400D   79 Yamaha RD400F  
91 Yamaha TZR250R  89 Yamaha FZR400   05 Yamaha FZ6   
05 Yamaha XT225TC  82 Honda MB5  02 Aprilia RS250 Cup (sold)
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