GVC160 Carb Questions

Reeveman

Reeveman

Forum Newbie
I have the GCV160 engine and I’m trying to resolve a surging issue (may have it solved) and an auto choke issue. I want to replace the carb but I’m finding some conflicting part numbers for it. According to the Honda parts site using my engine model and serial number I need 16100-z8b-901 but I have 16100-z8b-003 on the engine now and it looks like it has no connection to the auto choke. Any information on this is greatly appreciated.
 
StarTech, the only other thing I found was S3B* after the model/serial stamp. I don’t mean to pester you with this but I’m trying to repair this for someone that really needs it.
 
Your not being a pest. I know I have to nitpick the info but there is a reason as I got the verify the correct carburetor PN.

You have either a GCV160LA0 S3B or GCV160LA1 S3B but both of these S3B type uses the 16100-Z8B-901 carburetor and not the 16100-Z8B-003 that you have on the engine now.
 
StarTech said:
Your not being a pest. I know I have to nitpick the info but there is a reason as I got the verify the correct carburetor PN.

You have either a GCV160LA0 S3B or GCV160LA1 S3B but both of these S3B type uses the 16100-Z8B-901 carburetor and not the 16100-Z8B-003 that you have on the engine now.
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You are correct, I have the GCV160LA0 S3B. I know I’ll need to replace the thermowax cylinder because it’s leaking. I’ll go ahead and get the 901 carb kit. Thanks for your help, StarTech!
 
slomo said:
Another satisfied customer. (y)
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Yes indeed. I was a regular on a Mustang forum and I try to be as helpful as I can to anyone willing to try and take on a repair themselves. Many times other members just reply with “use the search” or something worse. Folks just want some help and that’s what I got here! Thanks again!
 
Just a quick update: the replacement carb and thermal switch arrived and were installed. I fixed some damage to the governor control arm and did the idle adjustment procedure. Now the mower starts with one pull and idles perfectly. I have no idea how the wrong carburetor wound up on that engine but the condition of the blade (what was left of it) is a good indication of how the previous owner treated it.
 
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