{"product_id":"kimpex-pro-series-drive-belt-for-ski-doo-alpine-399-er-r-1970","title":"Kimpex Pro Series Drive Belt for Ski-Doo Alpine 399 ER \u0026 R 1970","description":"\u003ch2\u003eKimpex Pro Series Drive Belt for Ski-Doo Alpine 399 ER \u0026amp; R\u003c\/h2\u003e\u003cp\u003eThe Kimpex Pro Series Drive Belt is a replacement snowmobile belt engineered for the Ski-Doo Alpine 399 ER and 399 R, delivering consistent power transfer from the engine to the drive clutch.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis Kimpex Pro Series Drive Belt is built as a direct replacement drive belt for the Ski-Doo Alpine 399 ER and 399 R snowmobiles. The drive belt transfers engine torque to the secondary clutch, keeping acceleration smooth and predictable on cold starts and long pulls. Riders maintaining a vintage Alpine 399 depend on a drive belt that holds its shape and grip season after season.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePro Series construction designed for consistent power transfer under load\u003c\/li\u003e\n\u003cli\u003eReinforced tensile cord resists stretch during hard acceleration\u003c\/li\u003e\n\u003cli\u003eHeat-resistant rubber compound handles the friction of continuous clutch engagement\u003c\/li\u003e\n\u003cli\u003ePrecise dimensional tolerances for a proper fit on the drive clutch\u003c\/li\u003e\n\u003cli\u003eBuilt to endure repeated hot and cold cycling across winter riding seasons\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Ski-Doo Alpine 399 ER, 1970\u003c\/li\u003e\n\u003cli\u003efor Ski-Doo Alpine 399 R, 1970\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTrail riding and backcountry cruising on vintage Ski-Doo Alpine 399 models\u003c\/li\u003e\n\u003cli\u003eUtility and work duty where the Alpine 399 hauls loads or tows a sled\u003c\/li\u003e\n\u003cli\u003eSeasonal maintenance and belt replacement before winter riding begins\u003c\/li\u003e\n\u003cli\u003eRestoration projects bringing a 1970 Alpine 399 back into service\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKimpex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePro Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDrive Belt\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 when my drive belt needs replacing? \u003cstrong\u003eA:\u003c\/strong\u003e Signs include glazing, frayed edges, missing cogs, or a belt that has narrowed from wear. A slipping belt that revs without moving the machine is another clear indicator.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Should I check clutch alignment when installing a new belt? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, misaligned clutches cause rapid belt wear and poor performance. Verify alignment and set the correct belt deflection before riding.\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":51146721984598,"sku":"OO1C27194","price":98.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_537c973b-f302-40a1-afb1-659dd54517dc.jpg?v=1794503113","url":"https:\/\/www.solidspare.com\/products\/kimpex-pro-series-drive-belt-for-ski-doo-alpine-399-er-r-1970","provider":"Solid Spare","version":"1.0","type":"link"}