{"product_id":"3083045-crankshaft-crank-oil-seal-kit-for-polaris-indy-sport-340-1987-1990","title":"3083045 Crankshaft Crank Oil Seal Kit for Polaris Indy Sport 340 1987-1990","description":"\u003ch2\u003eCrankshaft \/ Crank Oil Seal Kit for Polaris Indy Sport 340\u003c\/h2\u003e\u003cp\u003eThis crankshaft oil seal kit replaces the worn crank seals on your Polaris Indy Sport 340, restoring the airtight crankcase seal these two-stroke engines need to run right, and it cross-references OEM part number 3083045.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis crankshaft oil seal kit is built to reseal the crank ends on the Polaris Indy Sport 340 snowmobile, stopping air leaks that cause lean running, hard starting, and erratic idle. Each seal in this crank oil seal kit is sized to match the 340 engine's crank journals so a rebuild can be completed without hunting down individual pieces. It is aimed at home mechanics and shop techs doing a top or bottom end refresh on a classic Polaris Indy Sport 340.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eDirect replacement for OEM part number 3083045\u003c\/li\u003e\n\u003cli\u003eSeals the crankshaft ends to keep crankcase pressure stable\u003c\/li\u003e\n\u003cli\u003ePrevents air leaks that cause lean conditions and erratic idle\u003c\/li\u003e\n\u003cli\u003eResists fuel, oil, and heat exposure inside the crankcase\u003c\/li\u003e\n\u003cli\u003eSold as a kit covering the crank seal positions for the 340 engine\u003c\/li\u003e\n\u003cli\u003eSimple install during a bottom end or full engine rebuild\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Polaris Indy Sport 340, 1987\u003c\/li\u003e\n\u003cli\u003efor Polaris Indy Sport 340, 1988\u003c\/li\u003e\n\u003cli\u003efor Polaris Indy Sport 340, 1989\u003c\/li\u003e\n\u003cli\u003efor Polaris Indy Sport 340, 1990\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCrankcase reseal during a two-stroke bottom end rebuild\u003c\/li\u003e\n\u003cli\u003eFixing lean-running and hard-starting symptoms on a vintage Indy Sport 340\u003c\/li\u003e\n\u003cli\u003eRoutine seal replacement while the engine is out for service\u003c\/li\u003e\n\u003cli\u003eRestoring a stored or non-running 340 snowmobile to trail use\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3083045\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCrankshaft \/ crank oil seal kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePolaris Indy Sport 340 two-stroke engine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModels Covered\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1987-1990\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How do I know my Indy Sport 340 needs crank seals? \u003cstrong\u003eA:\u003c\/strong\u003e Common signs include hard starting, a runaway idle, oil leaking behind the clutch, or a lean condition that will not tune out. A crankcase pressure test confirms whether the seals are leaking.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Can I install this kit without splitting the cases? \u003cstrong\u003eA:\u003c\/strong\u003e In many cases crank seals can be replaced with the engine in the chassis, though rust or damaged seal bores may require case removal. Check your service manual for the correct procedure on the 340 engine.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eSlight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"Solid Spare","offers":[{"title":"Default Title","offer_id":51146212704342,"sku":"OO1C26144","price":23.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_c712e27e-a996-47b4-8360-0f6444d074c5.jpg?v=1794568119","url":"https:\/\/www.solidspare.com\/products\/3083045-crankshaft-crank-oil-seal-kit-for-polaris-indy-sport-340-1987-1990","provider":"Solid Spare","version":"1.0","type":"link"}