Hipa FS90R Carburetor for STIHL FS90 HT101 FS110R FS90 KM110R FS100RX KM90R FS110 FS 90R HT 101 FS 110 FS 110R FC90 HT131 HL100K HL100 FS100 HT100 FS87 HL90 Trimmer C1Q-S174
Condition: New
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Availability:
In Stock.
Arrives
Saturday, Aug 30
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Features
- FITS FOR STIHL FS90R CARBURETOR, Replace for ZAMA: C1Q-S174, 4.Can't Replace C1Q-S110,4.Please compare the return fuel line of the carburetor and select the correct carburetor.
- FS90R CARBURETOR Fits for STIHL FS90R FS110R FS90 FS100RX FS110 FS 90R FS 110 FS 110R FS100 FS110X FS110RX FS100R FS87 FS87R FS90K SP90 SP90T Trimmer Parts.
- FITS FOR STIHL KM110R CARBURETOR, Compatible with Stihl FC90 FC95 FC110 FC100 Edger; Fits Stihl HL100K HL100 HL90 HL95 HL95K HL101 HL110 Hedge Trimmer Parts.
- FITS FOR STIHL HT101 CARBURETOR, Compatible with STIHL HT101 HT 101 HT131 HT100 HT101 Pole Pruner / Pole Saw; KM100R KM90R KM110 KM90 KM100 KM110R Kombi Motor.
- [ALL-IN-ONE KIT]: Stihl fs90r parts saving you time and money on individual items.
- [ARRIVES READY TO RUN]: Factory precisely tuned, no adjustment needed.
- [DEPENDABLE ENGINE PERFORMANCE]: Each stihl fs110r carburetor is wet flow tested to simulate actual engine conditions.
- [QUALITY MATERIAL, QUALITY CARBURETOR]: Resistant to heat, corrosion, and wear by utilizing brass components, composite rubber diaphragms, and anodized aluminum carburetor body.
- DIMENSIONS FITS FOR STIHL FS90 CARBURETOR: Mounting Hole Distance(Center to Center): 31mm, Throttle Bore Diameter:14mm, Choke Bore Diameter: 18mm, Venturi Diameter:10.5mm, Fuel Inlet Line Diameter:4.2mm, Fuel Return Line Diameter:4mm.
- [PACKAGE INCLUDE]: HIPA C1Q-S174 carburetor x1, air filter x1, fuel line x1, fuel filter x1, spark plug x1, primer bulb x1, gasket x2.
Brand: Hipa
Product Dimensions: 3.94"D x 5.91"W x 1.97"H
Manufacturer: HIPA
UPC:
Manufacturer: HIPA
Brand: Hipa
Model: Stihl FS90R Carburetor
Item Weight: 7.8 ounces
Product Dimensions: 5.91 x 3.94 x 1.97 inches
Item model number: FS90R Carburetor
Is Discontinued By Manufacturer: No
Manufacturer Part Number: 4332693944
Date First Available: February 23, 2017
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Saturday, Aug 30
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
I am reviewing this HIPA carburetor for Stihl weed trimmers in general, but specifically for my Kombi KM130R model. Overall, this is a quality product that worked with my engine even there were some differences when compared to my OEM carburetor. It easily installed as a replacement and the engine started on the third pull with this new HIPA carburetor. My original problem was that when pulling the throttle trigger to full power, the engine would start to die. I checked the spark arrestor, fuel lines, tank vent valve, throttle linkage, fuel filter in the tank, air filter, and spark plug. All were in proper working order. The engine started well, just would not run at full open speed. So I decided on the new carburetor approach and it worked. This is what I found out about this HIPA carburetor and my OEM Stihl carburetor. First, all the hose connections from the HIPA to the OEM Stihl are the same composition and diameter. The bottom connections on both carburetors are white plastic and .187" in diameter. The top pipes on both HIPA and the OEM are brass colored metal and .162" in diameter. That was good news for me because my hoses were in good shape and I reused them all (did not need the hose provided in the kit). This was also good because to use the HIPA hose assembly you would have to pry out the gas tank connector out of the top of the gas tank and I did not want to have to mess with that step. Also, the impulse tube with connects to the main engine via a rubber tube was the same on both carburetors at .241" in diameter. You will have to reuse your original hose as there is not a new one provide in this kit. Second, the intake diameter of both carburetors (the entrance where the choke butterfly is located) were the same at .705". There is a difference in the choke butterfly orientation from the original carburetor to the HIPA. The OEM butterfly traveled a full 90 degrees from full open to full closed. The HIPA choke butterfly only traveled about 75 degrees from fully closed to only about 70% open. It doesn't seem to affect the operation of the engine but I will have to observe performance over time. Third, outtake opening (the side of the carburetor connected to the engine) is much smaller in HIPA model. The OEM Stihl is .629" whereas the HIPA diameter is only .550" in diameter. The butterflies in both models are naturally similarly different. The Stihl Kombi KM130R is one of Stihl's biggest weed whacker engines so this factor may limit the engine's ability to develop full power in the future. I don't do any commercial work or use heavy gauge line so I may be okay. Fourth, as commented on elsewhere in these reviews, the HIPA carburetor does not have a vent tube coming off the (black) plastic top of the carburetor. On the OEM model, this vent tube connects to air filter housing and can draw air from the filtered side of the air filter housing. This may not be a biggie because the new carburetor design my not require this old venting feature unique to the old OEM carburetor that failed. The issue I had was that now there is an open portal on the filtered side of the air filter housing that can easily suck all sorts of dust and debris through this hole directly into the carburetor throat! My solution was I found the end of an old plastic felt tipped marker that was the right size and cut off the end so that it just fit in the open hole without sticking out on either end. Another reviewer said you could just switch out the tops. I didn't do that for two reasons: 1) maybe the HIPA carburetor was not designed to run with a vent, and 2) I didn't want to mess with disassembling a new carburetor to try to rebuild and old one, and 3, maybe the internals of the two carbs are not the same. Seemed like taking a chance I didn't need to. Fifth, this was an easily one for me. The choke knob that comes with the HIPA carburetor was too short for my engine. When I tried to reattach the air filter housing, the housing was bumping into the HIPA supplied choke knob. My old choke knob was about 3/8" longer than the HIPA choke knob. Since the choke shaft on both carburetors where the same diameter, I pulled off the HIPA knob and replaced it with the original choke knob. Note: because of the differences in the HIPA choke butterfly travel (70%), the pointer on choke knobs are never going to line up with the symbols (choke open or closed) on the Stihl engine plastic casing. All in all, this HIPA carburetor solved my issues and at very reasonable price. People with a more recent Stihl weed trimmer model should not have most the issues I observed.
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Reviewed in the United States on February 20, 2025 by Zaffy
Its hard to believe how great this $15 carburetor replacement works. It works greats, in fact my FS90R from 2010 works better than the last time I had it professionally services for $110. The hardest part was attaching the bottom hose to the carburetor, it took a bit of time. If you buy this kit make sure it has the right fuel filter cover that matches your engine. The attached photo shows the green one that comes with the kit. My FS90R uses the white capped one in the photo which I had to buy separately. Make sure to change the fuel filter since it is included. Also buy yourself a good quality spark plug. Don't use the one included. A good one is about $7.00 at the auto parts store. Also my engine starts first pull now every time. WOW.
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Reviewed in the United States on April 30, 2025 by Seth in Santa Barbara Seth in Santa Barbara
Way better to order from amazon than the dealer website. Dealer website doesn’t send gasket seals. This comes with gasket seals, a spark plug, and an air filter. 10/10 recommend.
Reviewed in the United States on June 4, 2025 by Kellen Jakopovic
Easy to install, everything came in the package
Reviewed in the United States on May 22, 2025 by Patrick Harvey
Replaced flawlessly on a FS90R. Cranked up first pull. Idle need a little adjustment but fuel/air mixture seemed to be pretty good
Reviewed in the United States on June 2, 2025 by Connor Stec
The metering diaphragm in the carb on my Stihl KM 90R power head was dried out and stiff as a card. The engine would start and run at a fast idle but would cut off or run very rough when the throttle was opened. Fuel was good. I use ethanol free gas and Stihl oil. Couldn't find the carburetor ID number other than a "C1Q" which makes it probably a Zama. This carburetor kit cost probably no more than a diaphragm kit if I could find one. It fit perfectly. It started on second pull and only needed a small adjustment of the low speed needle and idle. Runs great so far.
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Reviewed in the United States on April 12, 2025 by Stu48
This carburetor has perfect fit & function in my Stihl KM110R. Idles low and smooth. Full power is on the rich side, but that's OK since that provides better lubrication and cooling. And it's way cheaper than the OEM replacement. A friend gave me his old Stihl KM110R. It sat around in his garage for years and when I got it, it would not run. I spent hours overhauling the carburetor having parts so tiny I had to wear my 8x magnifiers, cleaning out with Berryman B-12 etc. I got it starting nicely and running at full throttle, but only at full throttle. The idle passages were so clogged no amount of cleaning could clear them. I finally gave up and got this replacement. Took all of 10 minutes to install it, and now that KM110R runs like new again.
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Reviewed in the United States on November 29, 2024 by Murky Murky
Super easy to replace.
Reviewed in the United States on June 3, 2025 by Me Me