Fuel System: Difference between revisions
From GummyCarbs
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=OEM Japanese Fuel Hose=  | =OEM Japanese Fuel Hose=  | ||
Honda seems to use the "red stripe" fuel line.  This can be found at [http://www.sudco.com/fuel.html#redstripe Sudco's site].  They claim it's made by Kitaco (  | Honda seems to use the "red stripe" fuel line.  This can be found at [http://www.sudco.com/fuel.html#redstripe Sudco's site].  They claim it's made by Kitaco (likely a shortening of Kita and Company) in Japan.  It's available in 3.5mm, 5.5mm, 7.5mm, and 8.0mm inside diameters.  | ||
=Sizing=  | =Sizing=  | ||
Revision as of 19:03, 25 September 2007
OEM Japanese Fuel Hose
Honda seems to use the "red stripe" fuel line. This can be found at Sudco's site. They claim it's made by Kitaco (likely a shortening of Kita and Company) in Japan. It's available in 3.5mm, 5.5mm, 7.5mm, and 8.0mm inside diameters.
Sizing
Sizes are generally given in terms of:
- Inside Diameter (I.D.)
 - Outside Diameter (O.D.)
 - National Pipe Thread (NPT)
 - Air Force Navy (A.N.) (typically for brake systems, not fuel)
 
Tank Outlet
Most Hondas I've seen use 3/8" NPT outlets on their tanks. Some bikes use custom adapter plates. Later Honda CB750's use what appear to be Harley-Davidson style, 22mm outlets.
Tank Capping

Most gas tanks can easily be capped (for de-rusting, Kreem coating, etc) using a simple, 3/8" brass NPT cap (note: not a plug, which is male-threaded). These are available at most hardware stores or from McMaster.
Fuel Hose
Honda fuel line seems to always be 8mm inside diameter (just over 5/16", which is 7.9375").