{"product_id":"4229-122-6200","title":"4229 122 6200 STIHL Idle Speed Screw – Genuine OEM Carburetor Part","description":"\u003ch1 data-start=\"579\" data-end=\"647\"\u003e4229 122 6200 STIHL Idle Speed Screw – Genuine OEM Carburetor Part\u003c\/h1\u003e\n\u003cp data-start=\"649\" data-end=\"1007\"\u003eThe STIHL Idle Speed Screw (4229 122 6200) is a genuine OEM carburetor adjustment component designed to restore proper idle speed control and stable engine performance across a wide range of STIHL handheld equipment. This screw plays a critical role inside the carburetor by setting the throttle stop position, ensuring the engine maintains correct idle RPM.\u003c\/p\u003e\n\u003cp data-start=\"1009\" data-end=\"1363\"\u003eOver time, idle speed screws can become worn, stripped, bent, or corroded due to vibration, repeated adjustments, or servicing. A damaged idle screw may cause rough idle, stalling, or cutting attachments spinning at idle. Replacing it with the correct OEM part helps restore proper carburetor calibration without replacing the entire carburetor assembly.\u003c\/p\u003e\n\u003cp data-start=\"1365\" data-end=\"1550\"\u003eManufactured to STIHL factory specifications, this genuine idle speed screw ensures correct fitment, smooth adjustment, and long-term durability under professional operating conditions.\u003c\/p\u003e\n\u003chr data-start=\"1552\" data-end=\"1555\"\u003e\n\u003ch2 data-start=\"1557\" data-end=\"1575\"\u003eProduct Details\u003c\/h2\u003e\n\u003cp data-start=\"1577\" data-end=\"1767\"\u003eOEM Part Number: 4229 122 6200\u003cbr data-start=\"1607\" data-end=\"1610\"\u003eBrand: STIHL (Genuine OEM)\u003cbr data-start=\"1636\" data-end=\"1639\"\u003ePart Type: Idle Speed Screw\u003cbr data-start=\"1666\" data-end=\"1669\"\u003eApplication: Carburetor throttle stop \/ idle adjustment system\u003cbr data-start=\"1731\" data-end=\"1734\"\u003eCondition: New Genuine OEM Part\u003c\/p\u003e\n\u003chr data-start=\"1769\" data-end=\"1772\"\u003e\n\u003ch2 data-start=\"1774\" data-end=\"1785\"\u003eFunction\u003c\/h2\u003e\n\u003cp data-start=\"1787\" data-end=\"1830\"\u003eThis STIHL idle speed screw is designed to:\u003c\/p\u003e\n\u003cul data-start=\"1832\" data-end=\"2068\"\u003e\n\u003cli data-start=\"1832\" data-end=\"1873\"\u003e\n\u003cp data-start=\"1834\" data-end=\"1873\"\u003eControl and stabilize engine idle RPM\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1874\" data-end=\"1932\"\u003e\n\u003cp data-start=\"1876\" data-end=\"1932\"\u003eSet throttle plate stop position inside the carburetor\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1933\" data-end=\"1970\"\u003e\n\u003cp data-start=\"1935\" data-end=\"1970\"\u003ePrevent clutch engagement at idle\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1971\" data-end=\"2021\"\u003e\n\u003cp data-start=\"1973\" data-end=\"2021\"\u003eImprove throttle response and idle consistency\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2022\" data-end=\"2068\"\u003e\n\u003cp data-start=\"2024\" data-end=\"2068\"\u003eReplace worn or stripped adjustment screws\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2070\" data-end=\"2170\"\u003e⚠️ A failing idle speed screw can cause stalling, unstable idle, or attachments moving while idling.\u003c\/p\u003e\n\u003chr data-start=\"2172\" data-end=\"2175\"\u003e\n\u003ch2 data-start=\"2177\" data-end=\"2208\"\u003eVerify Fitment (Recommended)\u003c\/h2\u003e\n\u003cp data-start=\"2210\" data-end=\"2235\"\u003eBefore ordering, confirm:\u003c\/p\u003e\n\u003cul data-start=\"2237\" data-end=\"2384\"\u003e\n\u003cli data-start=\"2237\" data-end=\"2270\"\u003e\n\u003cp data-start=\"2239\" data-end=\"2270\"\u003eOEM part number 4229 122 6200\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2271\" data-end=\"2323\"\u003e\n\u003cp data-start=\"2273\" data-end=\"2323\"\u003eYour carburetor model matches those listed below\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2324\" data-end=\"2384\"\u003e\n\u003cp data-start=\"2326\" data-end=\"2384\"\u003eApplication matches your STIHL illustrated parts diagram\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2386\" data-end=\"2491\"\u003e⚠️ Idle adjustment screws are carburetor-specific — always verify by OEM part number and carburetor type.\u003c\/p\u003e\n\u003chr data-start=\"2493\" data-end=\"2496\"\u003e\n\u003ch2 data-start=\"2498\" data-end=\"2514\"\u003eCompatibility\u003c\/h2\u003e\n\u003cp data-start=\"2516\" data-end=\"2673\"\u003eThis OEM idle speed screw fits many STIHL carburetors used across blowers, trimmers, hedge trimmers, Kombi units, chainsaws, and cut-off machines, including:\u003c\/p\u003e\n\u003ch3 data-start=\"2675\" data-end=\"2707\"\u003eBlowers \/ Shredder Vac Units\u003c\/h3\u003e\n\u003cp data-start=\"2709\" data-end=\"3055\"\u003eBG 45 \/ BG 45 C KAT (C1Q-S112)\u003cbr data-start=\"2739\" data-end=\"2742\"\u003eBG 46 \/ BG 46 C KAT \/ BG 46-D (C1Q-S112)\u003cbr data-start=\"2782\" data-end=\"2785\"\u003eBG 50 (Carburetor 4229\/12)\u003cbr data-start=\"2811\" data-end=\"2814\"\u003eBG 55 \/ BG 55 C KAT (C1Q-S64)\u003cbr data-start=\"2843\" data-end=\"2846\"\u003eBG 65 \/ BG 65-D (C1Q-S64)\u003cbr data-start=\"2871\" data-end=\"2874\"\u003eBG 85 \/ BG 85-D \/ BG 85 C KAT (C1Q-S64)\u003cbr data-start=\"2913\" data-end=\"2916\"\u003eBR 45 C (C1Q-S73)\u003cbr data-start=\"2933\" data-end=\"2936\"\u003eBR 350 (C1Q-S220 \/ C1Q-S199)\u003cbr data-start=\"2964\" data-end=\"2967\"\u003eBR 430 \/ BR 450 \/ BR 450 C-EF (Carburetor 4244\/11)\u003cbr data-start=\"3017\" data-end=\"3020\"\u003eSH 55 \/ SH 85 \/ SH 85-D (C1Q-S64)\u003c\/p\u003e\n\u003ch3 data-start=\"3057\" data-end=\"3098\"\u003eTrimmers \/ Brushcutters \/ Kombi Units\u003c\/h3\u003e\n\u003cp data-start=\"3100\" data-end=\"3475\"\u003eFS 45 \/ FS 45 C-E \/ FS 45 D (C1Q-S71)\u003cbr data-start=\"3137\" data-end=\"3140\"\u003eFS 46 \/ FS 46-D \/ FS 46 C-E \/ FS 46 C-E D (C1Q-S71)\u003cbr data-start=\"3191\" data-end=\"3194\"\u003eFS 55 \/ FS 55 R \/ FS 55 R-D \/ FS 55-D (C1Q-S66 \/ C1Q-S71)\u003cbr data-start=\"3251\" data-end=\"3254\"\u003eFS 75 \/ FS 80 \/ FS 80 R 4137 (C1Q-S63 \/ C1Q-S78)\u003cbr data-start=\"3302\" data-end=\"3305\"\u003eFS 85 \/ FS 85 R \/ FS 85 RX (C1Q-S63 \/ C1Q-S78)\u003cbr data-start=\"3351\" data-end=\"3354\"\u003eFC 55 \/ FC 55-D (C1Q-S71)\u003cbr data-start=\"3379\" data-end=\"3382\"\u003eFC 75 \/ FC 85 (C1Q-S63)\u003cbr data-start=\"3405\" data-end=\"3408\"\u003eKM 55 R \/ KM 55 R-D \/ KM 55 RC-E \/ KM 55 RC-E D\u003cbr data-start=\"3455\" data-end=\"3458\"\u003eKM 85 R\u003cbr data-start=\"3465\" data-end=\"3468\"\u003eKW 85\u003c\/p\u003e\n\u003ch3 data-start=\"3477\" data-end=\"3510\"\u003eHedge Trimmers \/ Pole Pruners\u003c\/h3\u003e\n\u003cp data-start=\"3512\" data-end=\"3644\"\u003eHS 45 (C1Q-S169 \/ C1Q-S170 \/ C1Q-S70 \/ C1Q-S150)\u003cbr data-start=\"3560\" data-end=\"3563\"\u003eHL 45 \/ HL 45-D (C1Q-S71)\u003cbr data-start=\"3588\" data-end=\"3591\"\u003eHL 75 \/ HL 75 K (C1Q-S63)\u003cbr data-start=\"3616\" data-end=\"3619\"\u003eHT 70 \/ HT 75 (C1Q-S63)\u003c\/p\u003e\n\u003ch3 data-start=\"3646\" data-end=\"3659\"\u003eChainsaws\u003c\/h3\u003e\n\u003cp data-start=\"3661\" data-end=\"3786\"\u003eMS 192 T (C1Q-S257 \/ C1Q-S134 \/ C1Q-S103)\u003cbr data-start=\"3702\" data-end=\"3705\"\u003eMS 192 TC-E (C1Q-S257 \/ C1Q-S134 \/ C1Q-S103)\u003cbr data-start=\"3749\" data-end=\"3752\"\u003eMS 192 C-E (C1Q-S259 \/ C1Q-S124)\u003c\/p\u003e\n\u003ch3 data-start=\"3788\" data-end=\"3808\"\u003eCut-Off Machines\u003c\/h3\u003e\n\u003cp data-start=\"3810\" data-end=\"3914\"\u003eTS 410 \/ TS 410-A (Carburetor 4238\/05)\u003cbr data-start=\"3848\" data-end=\"3851\"\u003eTS 420 \/ TS 420-A (C1Q-S118 \/ C1Q-167)\u003cbr data-start=\"3889\" data-end=\"3892\"\u003eTS 440-A (C1Q-S118H)\u003c\/p\u003e\n\u003ch3 data-start=\"3916\" data-end=\"3935\"\u003eOther Equipment\u003c\/h3\u003e\n\u003cp data-start=\"3937\" data-end=\"4011\"\u003eBT 45 (C1Q-S74)\u003cbr data-start=\"3952\" data-end=\"3955\"\u003eMM 55 (C1Q-S79)\u003cbr data-start=\"3970\" data-end=\"3973\"\u003eSR 430 \/ SR 450 (Carburetor 4244\/11)\u003c\/p\u003e\n\u003cp data-start=\"4013\" data-end=\"4119\"\u003e(Exact fitment depends on carburetor type and production version — always verify using OEM parts diagram.)\u003c\/p\u003e\n\u003chr data-start=\"4121\" data-end=\"4124\"\u003e\n\u003ch2 data-start=\"4126\" data-end=\"4147\"\u003eInstallation Notes\u003c\/h2\u003e\n\u003cul data-start=\"4149\" data-end=\"4425\"\u003e\n\u003cli data-start=\"4149\" data-end=\"4200\"\u003e\n\u003cp data-start=\"4151\" data-end=\"4200\"\u003eLocate idle adjustment screw on carburetor body\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4201\" data-end=\"4251\"\u003e\n\u003cp data-start=\"4203\" data-end=\"4251\"\u003eReplace screw carefully to avoid thread damage\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4252\" data-end=\"4285\"\u003e\n\u003cp data-start=\"4254\" data-end=\"4285\"\u003eWarm engine before adjustment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4286\" data-end=\"4325\"\u003e\n\u003cp data-start=\"4288\" data-end=\"4325\"\u003eTurn clockwise to increase idle RPM\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4326\" data-end=\"4372\"\u003e\n\u003cp data-start=\"4328\" data-end=\"4372\"\u003eTurn counterclockwise to decrease idle RPM\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4373\" data-end=\"4425\"\u003e\n\u003cp data-start=\"4375\" data-end=\"4425\"\u003eAdjust according to STIHL factory specifications\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"4427\" data-end=\"4499\"\u003e⚠️ Carburetor adjustments should be performed by a qualified technician.\u003c\/p\u003e\n\u003chr data-start=\"4501\" data-end=\"4504\"\u003e\n\u003ch2 data-start=\"4506\" data-end=\"4525\"\u003eMaintenance Tips\u003c\/h2\u003e\n\u003cul data-start=\"4527\" data-end=\"4758\"\u003e\n\u003cli data-start=\"4527\" data-end=\"4587\"\u003e\n\u003cp data-start=\"4529\" data-end=\"4587\"\u003eInspect idle adjustment screws during carburetor service\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4588\" data-end=\"4641\"\u003e\n\u003cp data-start=\"4590\" data-end=\"4641\"\u003eAvoid over-tightening to prevent stripped threads\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4642\" data-end=\"4691\"\u003e\n\u003cp data-start=\"4644\" data-end=\"4691\"\u003eKeep carburetor clean for accurate adjustment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4692\" data-end=\"4758\"\u003e\n\u003cp data-start=\"4694\" data-end=\"4758\"\u003eAlways use genuine STIHL OEM components for proper calibration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"STIHL","offers":[{"title":"Default Title","offer_id":58959940419665,"sku":"4229 122 6200","price":8.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/2570\/0177\/files\/https___www.htsspares.com_media_product_image_hdc1021.webp?v=1770816421","url":"https:\/\/www.barryspowerequipment.com\/products\/4229-122-6200","provider":"Barry's Power Equipment","version":"1.0","type":"link"}