{"product_id":"stihl-ms251woodboss-chainsaw-ms251kit18","title":"Stihl MS 251 Wood Boss Chainsaw - 45.6cc Gas Engine with 18in Guide Bar for Homeowners - STI-MS251KIT18","description":"\u003ch2\u003eStihl MS 251 Wood Boss Chainsaw - 45.6cc Gas Engine with 18in Guide Bar for Homeowners - STI-MS251KIT18\u003c\/h2\u003e\n\u003cp\u003eThe Stihl MS 251 Wood Boss chainsaw delivers impressive power in an ergonomic design perfect for homeowners who need reliability for cutting firewood, felling small trees, and pruning. Its fuel-efficient engine technology extends run times while the anti-vibration system and slimmer profile make this chainsaw comfortable to handle even during extended use. The translucent fuel tank allows for easy monitoring of fuel levels during operation.\u003c\/p\u003e\n\u003cp\u003eThe MS 251 Wood Boss represents Stihl's evolution in homeowner chainsaws, featuring higher-quality materials and construction that more closely resemble professional-grade tools. With its IntelliCarb Compensating Carburetor maintaining optimal engine performance regardless of air filter condition, toolless fuel caps for convenient refilling, and the intuitive Master Control Lever simplifying operation, the MS251 delivers exceptional value for all your property maintenance needs.\u003c\/p\u003e\n\u003ch5\u003e Features\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eUp to 20% fuel savings compared to previous models\u003c\/li\u003e\n\u003cli\u003e50% reduced emissions\u003c\/li\u003e\n\u003cli\u003eAnti-vibration system reduces operator fatigue\u003c\/li\u003e\n\u003cli\u003eToolless fuel and oil caps with retainers\u003c\/li\u003e\n\u003cli\u003eMaster Control Lever for simplified operation\u003c\/li\u003e\n\u003cli\u003eIntelliCarb Compensating Carburetor maintains optimal performance\u003c\/li\u003e\n\u003cli\u003eBumper spikes for better control when cutting\u003c\/li\u003e\n\u003cli\u003eHigh-tech polymer housings for durability and reduced weight\u003c\/li\u003e\n\u003cli\u003eThrottle trigger lockout for enhanced safety\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eSpecifications\u003c\/h5\u003e\n\u003cstyle type=\"text\/css\"\u003e\n.tg  {border-collapse:collapse;border-spacing:0;}\n.tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;\n  overflow:hidden;padding:10px 5px;word-break:normal;}\n.tg th{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;\n  font-weight:normal;overflow:hidden;padding:10px 5px;word-break:normal;}\n.tg .tg-cly1{text-align:left;vertical-align:middle}\n.tg .tg-yla0{font-weight:bold;text-align:left;vertical-align:middle}\n\u003c\/style\u003e\n\u003ctable class=\"tg\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"tg-yla0\"\u003eIntended Use\u003c\/th\u003e\n\u003cth class=\"tg-cly1\"\u003eHomeowner\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-yla0\"\u003ePower Source\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003eGas\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-yla0\"\u003ePowerhead Weight\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003e11.0 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-yla0\"\u003eGuide Bar Length\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003e18 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-yla0\"\u003eChain\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003e.325\" pitch, 0.050\" gauge (23 RM3 68)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-yla0\"\u003eEngine Displacement\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003e45.6 cc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-yla0\"\u003eEngine Power\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003e3.0 bhp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-yla0\"\u003eFuel Capacity\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003e13.2 oz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-yla0\"\u003eChain Oil Capacity\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003e6.7 oz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-yla0\"\u003eSkid Plate\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003eProtects gearbox\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-yla0\"\u003eStop Switch\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003eEasy shutdown and restart\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-yla0\"\u003eGuard Design\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003eOpen guard design reduces clogging\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-yla0\"\u003eLine Limiting Blade\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003eTrims nylon line to correct length\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-yla0\"\u003eMaintenance\u003c\/td\u003e\n\u003ctd class=\"tg-cly1\"\u003eBrushless motor reduces maintenance needs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-WEB:0852f841-4491-4db4-a820-2db7c3e61f75-60\" data-is-intersecting=\"true\"\u003e\n\u003cdiv class=\"relative w-full overflow-visible\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:0852f841-4491-4db4-a820-2db7c3e61f75-60\" data-turn-id-container=\"request-WEB:0852f841-4491-4db4-a820-2db7c3e61f75-60\" data-testid=\"conversation-turn-4\" data-scroll-anchor=\"false\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"f03d2b24-5fe5-4424-b585-337ca4991521\" data-turn-start-message=\"true\" dir=\"auto\" data-message-model-slug=\"gpt-5-3-mini\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cul data-start=\"27\" data-end=\"1666\"\u003e\n\u003cli data-section-id=\"14bkxbb\" data-start=\"27\" data-end=\"348\"\u003e\n\u003cstrong data-start=\"29\" data-end=\"84\"\u003eBalanced homeowner powerhouse for real cutting jobs\u003c\/strong\u003e\u003cbr data-start=\"84\" data-end=\"87\"\u003eThe MS 251 Wood Boss is widely recognized as a strong mid-range saw for homeowners and landowners, offering a solid \u003cstrong data-start=\"205\" data-end=\"222\" data-is-only-node=\"\"\u003e45.6cc engine\u003c\/strong\u003e that handles firewood cutting, storm cleanup, and small tree felling with confidence. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"8o7mcr\" data-start=\"350\" data-end=\"636\"\u003e\n\u003cstrong data-start=\"352\" data-end=\"397\"\u003e18-inch bar = optimal performance balance\u003c\/strong\u003e\u003cbr data-start=\"397\" data-end=\"400\"\u003eExperts consistently note the 18\" guide bar is the “sweet spot” for this class—giving enough reach for logs and small trunks while keeping the saw stable, controllable, and efficient under load. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"j7tcof\" data-start=\"638\" data-end=\"892\"\u003e\n\u003cstrong data-start=\"640\" data-end=\"689\"\u003eStrong power-to-weight ratio for its category\u003c\/strong\u003e\u003cbr data-start=\"689\" data-end=\"692\"\u003eAt roughly \u003cstrong data-start=\"705\" data-end=\"735\" data-is-only-node=\"\"\u003e10–11 lbs powerhead weight\u003c\/strong\u003e, it delivers professional-level cutting feel without becoming tiring during extended yard or property work sessions. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1g80504\" data-start=\"894\" data-end=\"1134\"\u003e\n\u003cstrong data-start=\"896\" data-end=\"942\"\u003eBest suited for firewood and storm cleanup\u003c\/strong\u003e\u003cbr data-start=\"942\" data-end=\"945\"\u003eFrequently recommended for cutting logs, limbing, and handling small to medium trees—ideal for seasonal property maintenance and serious DIY users. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"ohsjvc\" data-start=\"1136\" data-end=\"1387\"\u003e\n\u003cstrong data-start=\"1138\" data-end=\"1183\"\u003eFuel-efficient and lower emissions design\u003c\/strong\u003e\u003cbr data-start=\"1183\" data-end=\"1186\"\u003eBuilt with STIHL’s modern engine tech that improves fuel efficiency and reduces emissions compared to older models, making it more economical for frequent use. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"4bp73p\" data-start=\"1389\" data-end=\"1666\"\u003e\n\u003cstrong data-start=\"1391\" data-end=\"1438\"\u003eNot intended for heavy professional felling\u003c\/strong\u003e\u003cbr data-start=\"1438\" data-end=\"1441\"\u003eWhile powerful in its class, experts agree it is not designed for continuous heavy logging or large-diameter hardwood cutting—better suited to occasional to regular homeowner workloads. \u003cspan class=\"\" data-state=\"delayed-open\" aria-describedby=\"radix-_r_26e_\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch5\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cp data-start=\"42\" data-end=\"233\"\u003e\u003cstrong data-start=\"42\" data-end=\"93\"\u003eQ: What is the STIHL MS 251 Wood Boss used for?\u003c\/strong\u003e\u003cbr data-start=\"93\" data-end=\"96\"\u003eA: It is designed for homeowners who need to cut firewood, fell small trees, trim branches, and handle storm cleanup with reliable power.\u003c\/p\u003e\n\u003cp data-start=\"235\" data-end=\"394\"\u003e\u003cstrong data-start=\"235\" data-end=\"275\"\u003eQ: What engine does the MS 251 have?\u003c\/strong\u003e\u003cbr data-start=\"275\" data-end=\"278\"\u003eA: It features a 45.6cc gas-powered engine that delivers strong cutting performance for demanding residential tasks.\u003c\/p\u003e\n\u003cp data-start=\"396\" data-end=\"529\"\u003e\u003cstrong data-start=\"396\" data-end=\"441\"\u003eQ: What bar length comes with this model?\u003c\/strong\u003e\u003cbr data-start=\"441\" data-end=\"444\"\u003eA: It includes an 18-inch guide bar, making it suitable for medium-duty cutting jobs.\u003c\/p\u003e\n\u003cp data-start=\"531\" data-end=\"670\"\u003e\u003cstrong data-start=\"531\" data-end=\"578\"\u003eQ: Is the MS 251 good for firewood cutting?\u003c\/strong\u003e\u003cbr data-start=\"578\" data-end=\"581\"\u003eA: Yes. It is specifically well-suited for cutting firewood efficiently and consistently.\u003c\/p\u003e\n\u003cp data-start=\"672\" data-end=\"831\"\u003e\u003cstrong data-start=\"672\" data-end=\"714\"\u003eQ: Is this chainsaw beginner-friendly?\u003c\/strong\u003e\u003cbr data-start=\"714\" data-end=\"717\"\u003eA: Yes, for a powerful saw it is still user-friendly, but it is best for homeowners with some chainsaw experience.\u003c\/p\u003e\n\u003cp data-start=\"833\" data-end=\"975\"\u003e\u003cstrong data-start=\"833\" data-end=\"877\"\u003eQ: Does it have anti-vibration features?\u003c\/strong\u003e\u003cbr data-start=\"877\" data-end=\"880\"\u003eA: Yes. It includes anti-vibration technology to reduce fatigue during longer cutting sessions.\u003c\/p\u003e\n\u003cp data-start=\"977\" data-end=\"1133\"\u003e\u003cstrong data-start=\"977\" data-end=\"1022\"\u003eQ: What kind of maintenance does it need?\u003c\/strong\u003e\u003cbr data-start=\"1022\" data-end=\"1025\"\u003eA: Routine care includes chain sharpening, bar oil checks, air filter cleaning, and fuel system maintenance.\u003c\/p\u003e\n\u003cp data-start=\"1135\" data-end=\"1306\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cstrong data-start=\"1135\" data-end=\"1188\"\u003eQ: Can it be used for professional forestry work?\u003c\/strong\u003e\u003cbr data-start=\"1188\" data-end=\"1191\"\u003eA: No. It is intended for homeowner and occasional heavy-duty residential use, not continuous professional logging.\u003c\/p\u003e\n\u003ch5\u003e\n\u003cbr\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"c1k2lr\" data-start=\"90\" data-end=\"235\"\u003e\n\u003cstrong data-start=\"92\" data-end=\"118\"\u003eClean after every use:\u003c\/strong\u003e Remove sawdust, oil, and debris from bar, chain, sprocket cover, and cooling fins to prevent overheating and wear.\u003c\/li\u003e\n\u003cli data-section-id=\"ooerb6\" data-start=\"236\" data-end=\"359\"\u003e\n\u003cstrong data-start=\"238\" data-end=\"253\"\u003eChain care:\u003c\/strong\u003e Keep chain sharp and properly tensioned; check before each use for safe, efficient cutting performance.\u003c\/li\u003e\n\u003cli data-section-id=\"69iy4d\" data-start=\"360\" data-end=\"492\"\u003e\n\u003cstrong data-start=\"362\" data-end=\"388\"\u003eGuide bar maintenance:\u003c\/strong\u003e Clean oil groove and sprocket tip regularly; flip bar periodically for even wear and longer lifespan.\u003c\/li\u003e\n\u003cli data-section-id=\"1nene07\" data-start=\"493\" data-end=\"619\"\u003e\n\u003cstrong data-start=\"495\" data-end=\"517\"\u003eChain lubrication:\u003c\/strong\u003e Always check bar oil level and ensure automatic oiler is working properly to protect bar and chain.\u003c\/li\u003e\n\u003cli data-section-id=\"1le7gpn\" data-start=\"620\" data-end=\"736\"\u003e\n\u003cstrong data-start=\"622\" data-end=\"645\"\u003eAir filter service:\u003c\/strong\u003e Clean or replace regularly to maintain engine power, fuel efficiency, and easy starting.\u003c\/li\u003e\n\u003cli data-section-id=\"xg3dcm\" data-start=\"737\" data-end=\"842\"\u003e\n\u003cstrong data-start=\"739\" data-end=\"760\"\u003eFuel system care:\u003c\/strong\u003e Use fresh fuel mix only; avoid stale fuel and drain tank for long-term storage.\u003c\/li\u003e\n\u003cli data-section-id=\"16xgjdk\" data-start=\"843\" data-end=\"975\"\u003e\n\u003cstrong data-start=\"845\" data-end=\"866\"\u003eSpark plug check:\u003c\/strong\u003e Inspect periodically for carbon buildup and replace if starting becomes difficult or engine runs unevenly.\u003c\/li\u003e\n\u003cli data-section-id=\"1o406u4\" data-start=\"976\" data-end=\"1089\"\u003e\n\u003cstrong data-start=\"978\" data-end=\"1002\"\u003eFastener inspection:\u003c\/strong\u003e Tighten bar nuts, chain cover, and housing screws due to vibration during operation.\u003c\/li\u003e\n\u003cli data-section-id=\"1cn0syx\" data-start=\"1090\" data-end=\"1189\"\u003e\n\u003cstrong data-start=\"1092\" data-end=\"1111\"\u003eCooling system:\u003c\/strong\u003e Keep engine intake and fins clear of dust and chips to prevent overheating.\u003c\/li\u003e\n\u003cli data-section-id=\"1rpuwlj\" data-start=\"1190\" data-end=\"1288\"\u003e\n\u003cstrong data-start=\"1192\" data-end=\"1204\"\u003eStorage:\u003c\/strong\u003e Fit bar cover, store in a dry place, and lightly oil chain and bar to prevent rust.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Stihl","offers":[{"title":"Default Title","offer_id":45641046196415,"sku":"STI-MS251KIT18","price":429.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/ms251.png?v=1778919177","url":"https:\/\/backyardprovider.com\/products\/stihl-ms251woodboss-chainsaw-ms251kit18","provider":"Your Outdoor Setup Starts Here","version":"1.0","type":"link"}