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-   CBR 600F3 (https://cbrforum.com/forum/cbr-600f3-17/)
-   -   Missing Fuel Vacuum Hose (https://cbrforum.com/forum/cbr-600f3-17/missing-fuel-vacuum-hose-165254/)

tdesanto Feb 22, 2026 08:03 PM

Missing Fuel Vacuum Hose
 
Hi guys, So I picked up an 1998 f3 this fall to flip in the spring. I did a carb rebuild and some other general maintenance and went to start it up and realized I didn't have a vacuum hose attached to my petcock. for some reason I cant find mine. I've read on some posts that it comes out of a port between cylinders one and two but I only have one hose coming out and that goes to the left side of the bike to a cooling system component. Please help I feel like im going crazy and itching to get this thing running!

hamlin6 Feb 22, 2026 08:33 PM

Does this help?

tdesanto Feb 22, 2026 08:35 PM

Thank you but not really. I need to see where the hose attaches to the bike

hamlin6 Feb 23, 2026 07:46 AM

I understand what you're saying now. It sounds as if you have a f2 petcock on your f3. The f3 petcock does not have a vacuum line on it.

tdesanto Feb 23, 2026 08:42 AM

Oh well that explains it thanks so much


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