What’s the correct carburetor number for a Stihl FS 38 trimmer

D

Dufferman

Forum Newbie
Hi from Canada,
I was gifted a trimmer from a neighbour FS38 and the primer bulb wouldn’t fill.
I took out the carb and everything was gunked up so I want to get a new carb, filter and plug. The carb I removed is a C1Q-S95 but I think it is not the original as I called Stihl and tried to provide a serial number that was partially missing .
The representative said I should try C1Q S186.
My question is. Where can I find the engine mode number so I can properly match the correct carburetor to the trimmer?
Is there a location on the trimmer / engine where the number is located?
There is no stamped 9 - digit number on the belly of my unit
 

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Looking up the serial #:


Product Type : Trimmers

Model : FS38

Serial Number : 261784642
New Product Registration

Dealer must not haved filed the registration......
 
If your trouble is that the throttle cable end doesn't fit in the new carb, they did a change a few years back, they switched to a cable with a "z" bend.
 
Hello,

It looks like it has a Zama. Here is a YouTube video of how to clean/rebuild it.

I would try just using carb cleaner first before trying to rebuild it. Just shoot Gumout into the gas lines.

https://youtu.be/7VM6ZAT96o0

Regards

Jeff
 
I suspect that is the original carb. Found a chart that showed the FS38 with both the C1Q-S95or the S97 carbs. I am sure that number has superceded to a new carb. I have always provided the model number of the trimmer and the number off of the carb and we go from there. I have seen my local dealer pull out of separate book that list the carb number changes,
 
Fish said:
Looking up the serial #:


Product Type : Trimmers

Model : FS38

Serial Number : 261784642
New Product Registration

Dealer must not haved filed the registration......
Click to expand...

Thanks, that is helpful.
I think I will go with the C1Q- S97 carburetor. The diaphragm, primer bulb and fuel filter need be replaced so I will get the entire kit and install
 
Does your throttle cable have a z-bend like this one?
Z 001.jpg

Other than this issue, any carb will work fine. The different throttle cables are the only issue that may give you trouble.
 
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