COMMON MOTOR COLLECTIVE
Petcock | Honda CB500T / CB550F / CB750
Petcock for Honda CB500T / CB550K1/K2/F / CB750K5 / K / F (1975 - 1976)

Petcock | Honda CB500T / CB550F / CB750

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5
Your Price: $35.00
In Stock
CMC Part Number:6083
  • OEM Part:16950-374-671
  • Qty:Sold Individually

Item: Petcock for Honda CB500T / CB550 K1 - K2 / CB550F / CB750 K5 +1976  / CB750F + 1976

Why You Need This: By the mid 1970's Honda had made many changes to their gas tank designs and therefore to the petcock designs used on those tanks. There was a lot of mix and match parts in this era as Honda was evolving their design and supply chains. Many of these changes were poorly documented at the time. This particular petcock design, identified by its threaded connector to the tank (uses a 24mm wrench), dual outlet body without sediment bowl, we call the "mid generation" style petcock. This design was used through 1976 production bikes.

  • The Honda CB500T, the successor to the CB450, has a unique fuel tank which is specific to the Honda CB500T, which uses this petcock.  
  • Honda CB550 K1 & K2, all CB550F and CB750 K5, 1976 CB750K & CB750F all use this petcock at well.
If your petcock has a sediment bowl and mounts to the tank via two screws through the body,it is what we call the "early generation" peacock, it is available here.

If your gas tank has a threaded on petcock with a single outlet, it is the "late generation" 1977 and up design used on the Honda CB550 k3/k4 CB750k and F 1977 in 1978, which this petcock will not fit.

NOTE: This will NOT fit the CB550K3/K4 / 1977 - 1978 CB750K / CB750F style tank.

Installation Tip: The threaded petcock body has reverse threads to the connector, threads to the tank are normal. Remove the connector from the petcock and reinstall it to the point of where the threads start to engage. Then start the connector on the tank threads. As you tigen the nut, the tank and the petcock will be moving together evenly to meet in the middle of the petcock body, properly compressing the sealing gasket. Use a 24mm wrench or large adjustable wrench, do not over tighten, just sung enough not to leak. 

This petcock is used on these Honda Motorcycles
19751976
500TCB500TCB500T
500F
550
CB550K1CB550K2
CB550FCB550F
750F
750
CB750K5*CB750K
CB750F0CB750F1
5 Stars
Excellent so far
I have a 1975 Honda CB500T. I've only had this product installed on my bike for a few weeks now, and I've only ran it a few times, but so far it seems to be getting an adequate amount of fuel to the carbs and no leaks. Make sure to use clamps on the hoses with the brass splitter. The petcock fit right on to the tank, with no hassle, and it looks excellent. As you can see, it only has one output, instead of the two on the stock petcock, but the brass splitter takes care of that.
Did you find this helpful?  8 of 8 Found Helpful
Reviewed by:  from Stratford, Connecticut. on 4/5/2017
5
5 Stars
Dr
My old petcock was leaking so I picked this one up. I was worried that the change from 2 outlets on the old petcock to a single outlet would be an issue but I bought a brass T and some fuel hose and it works just as well - now with no leaking!
Did you find this helpful?  7 of 7 Found Helpful
Reviewed by: (Verified Buyer)  from Brooklyn. on 10/2/2018
5
5 Stars
Good flow, no leaks
My 40 yr old peck was worn out. This screwed right on my 550 tank. I wanted 2 fuel outlets so following Brenden's advice I drilled out the hole for the 2nd outlet. Then pressed in one of the brass nipples from my old petcock. Voila...just like stock!
Did you find this helpful?  5 of 5 Found Helpful
Reviewed by: (Verified Buyer)  from Spring. on 11/3/2020
5

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