1. May 6, 2022 #1
   

   Charlie Howard RSM Club Member

   Going to replace my catch tank with a Motamec one but not sure on what size hose I need?
   

    
3. May 6, 2022 #2
   

   MeggieSVK

   I'm not running motamec catch tank, but for my catch tank the 12mm silicone hose was almost a perfect fit with the cars PCV fittings and the tank. But just in case I fitted a steel clamps on all joints. I think it will be the same for 250.

    
4. May 6, 2022 #3
   

   Charlie Howard RSM Club Member

   Is that 12mm ID or OD?

    
5. May 6, 2022 #4
   

   MeggieSVK

   ID I think. Can check tomorrow.

    
6. May 6, 2022 #5
   

   Charlie Howard RSM Club Member

   That would be good thanks

    
7. May 6, 2022 #6
   

   Brigsy

   I have an10 hose on mine and from memory it was a decent fit, around 14mm id.

    

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