Zama carb S105 719A

[Jeff J Greilich]

Hello Carb Experts,

I have a brush cutter (Stihl FS 85), that has a Zama carb. I'm looking to buy a rebuild kit for it, and I think this is what is says on the outside S105 719A. Can someone tell me what carb this is, and which rebuild kit to buy? If you are a reseller of these kits, I'll buy one from you.

Thanks,
Jeff

 

[HarleyT]

Get something like this, instead of the kit.
https://www.ebay.com/itm/STIHL-OEM-CARBURETOR-4137-120-0622-TRIMMER-FS80-FS75-FR85-/202858469104
But instead, get it from your Stihl dealer, here is the 2019 price from the dealer.
4137 120 0622 CARBURETOR $26.28

 

[DND 9000]

You may have a C1Q-S105 carburetor. This carburetor was originally not used on the FS 85, maybe someone swapped carburetors. The C1Q-S105 belongs to the HS 81, 86. The rebuilt kit for this carburetor would be the Zama RB-99. Are you sure it is a C1Q-S105?

Otherwise the carburetor HarleyT mentioned should be a good alternative.

 

[Jeff J Greilich]

You may have a C1Q-S105 carburetor. This carburetor was originally not used on the FS 85, maybe someone swapped carburetors. The C1Q-S105 belongs to the HS 81, 86. The rebuilt kit for this carburetor would be the Zama RB-99. Are you sure it is a C1Q-S105?

Otherwise the carburetor HarleyT mentioned should be a good alternative.

Interesting!!! I just bought this trimmer used, and I think you are right, I think it may be a different carburetor. The carburetor on my unit has a choke knob on the opposite side. The FS 85 had a choke on the air filter cover, and it cut off air to the carb at the air filter. I just bought another air filter cover for this, with the orange choke lever on it.

Assuming this is a different carburetor on my fs85, would we agree it is probably the Zama RB-99? Thanks everyone, it is great to be able to come here to get questions answered.



Thanks,
Jeff

 

[DND 9000]

Again, this C1Q-S105 does not belong on the FS 85. If you have this carb and it is working you can rebuilt this carb with the Zama RB-99 rebuilt kit.