Honda Motorcycle Fuel Valve Petcock - 16 x 1.5mm - #1

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Fuel valve / petcock for numerous Honda motorcycles, and many other brands of motorcycle, scooter and moped. Check the threading on your bike to be sure this is what you need before you buy. Many of the compatible models listed below used this 16 x 1.5mm petcock for part of the production run, then switched to a different size, sometimes in the same production year. We also have this 18 x 1.0mm petcock for some later models and other bikes.

On / Off / Reserve. Built in fuel filter. Fuel exits to the side. Comes with rubbery sealing washer for a tight fit with no leaks.

Threading = 16 x 1.5mm

22mm hex nut.

Ribbed fuel outlet perfect size for use with either 3/16" or 1/4" fuel line.

Replaces Honda part number: 16950-393-015

Will also work in place of Honda part numbers: 16950-410-015, 16950-388-015, 16950-388-005, 16950-447-015

Fits Honda:

MR175 - 1977
XL250S - 1978-1981
CB350K Twin - 1968-1973 (Stock petcock had 2 outlets)
CL350K Scrambler - 1968-1973 (Stock petcock had 2 outlets)
XL350 - 1977-1978
CJ360T - 1975-1976
CB400A Hondamatic - 1978
CB400T Hawk - 1980-1981
CB400TI Hawk I - 1978-1979
CB400TII Hawk II - 1978-1979
CM400A Hondamatic - 1979-1981
CM400C Custom - 1981
CM400E - 1980-1981
CM400T - 1979-1981
CB500T Twin DOHC - 1976
CX500 - 1978-1979
CB550F Super Sport - 1977 (check your tank first, '75-'76 tanks use a 20mm petcock)
CB550K - 1977-1978 (check your tank first, 75-76 tanks use a 20mm petcock)
CB750A Hondamatic - 1976-1978
CB750F Super Sport - 1977-1978 (Does not fit 1975 - 1976 CB750F F0)
CB750F Super Sport - 1979 (VIN# RC04-2000023 - RC04-2010669)
CB750F Super Sport - 1980 (VIN# RC04-2100003 - RC04-2116089)
CB750K - 1977-1978 (Does not fit 1975 K4 & 1976 K5)
CB900C Custom - 1980 (VIN# SC04-2000046 - SC04-2015593)

and many others . .

24 Reviews Hide Reviews Show Reviews

  • 5
    Leak-free, easy install

    Posted by Nick Nagurka on 19th Sep 2020

    Bought this to replace my leaky petcock on a 1978 CB550K. Perfect fit, no leaks, no complaints. Fit and finish is not as good as OEM, but to be expected at this affordable price point.

  • 4
    Budget Friendly

    Posted by Ryan Kinsey on 17th Jan 2020

    I usually buy OEM but when they are 4x the cost, it can add up quickly. This one went on and didn't leak immediately. Let's see how long it last!

  • 4

    Posted by Unknown on 24th Oct 2019

    Threads needed to be cleaned up a bit prior to install, but after that went on no problem and works well. 4 Into 1 has been great to deal with

  • 5
    Great replacement

    Posted by DW on 15th May 2019

    Was having issues with my reserve on my '80 XL250s, wouldn't feed enough to the carb, kept stalling out. Instead of messing with it, it was worth the $14 to not deal with it. Money well spent, and a great reproduction piece. Highly recommend

  • 5
    No more fuel leaks!

    Posted by Ben on 24th Apr 2019

    Very happy to have found this at a good price with shipping to Canada. Fit my 1981 CM400T. Only issue was the screen on the tube did not fit through the tank's outlet, so I had to remove the screen. The one I was replacing didn't have a screen either, so maybe just something with this bike.

  • 5
    Better than original

    Posted by Douglas Rector on 19th Oct 2018

    Fits easily, and the outlet position, while not the same as the original on a '78, is actually easier to deal with.

  • 4

    Posted by Dan on 8th Oct 2018

    It does what it is supposed to do, and shipping was fast and affordable to Canada, which is nice to find because we get screwed around a lot up here with brokerage scams etc, but no worries here at all.

  • 5
    Perfect fit

    Posted by Rusty F on 24th Sep 2018

    Needed to replace a worn out petcock on my 550 and this works great.

  • 5
    Good service

    Posted by Jordan Steele on 12th Aug 2018

    Difficult to find the part I needed initially, but email correspondence was swift, and I ended up with the correct part.