{"product_id":"niche-starter-motor-assembly-for-kawasaki-polaris-21163-3702-clockwise-9-tooth-high-torque","title":"NICHE Starter Motor Assembly for Kawasaki \u0026 Polaris 21163-3702 — Clockwise 9-Tooth High-Torque","description":"\u003cp\u003e\u003cstrong\u003eNICHE Starter Motor Assembly for Kawasaki 21163-3702 is a high-torque, OEM-compatible replacement starter designed to reliably crank Kawasaki and Polaris personal watercraft engines.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIf your Jet Ski or Polaris watercraft is slow to turn over or the original starter has worn brushes or failed teeth, this NICHE assembly offers a direct-fit option engineered to meet or exceed the original specifications. It is built for clockwise rotation, uses carbon brushes, and carries a robust cycle rating so it can handle repeated starts in marine conditions. The unit is specified to match multiple OEM part numbers and model years, making it a practical swap for common Kawasaki and Polaris applications.\u003c\/p\u003e\n\n\u003ch3\u003eWhich models and part numbers does this starter replace?\u003c\/h3\u003e\n\u003cp\u003eThis starter assembly is compatible with several Kawasaki and Polaris OEM part numbers and model ranges so you can swap it with confidence. It covers multiple Jet Ski and Polaris watercraft models across the 1988–2011 production years, replacing older or discontinued parts.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits Kawasaki OEM references including 21163-3714 and 21163-3702 equivalents.\u003c\/li\u003e\n  \u003cli\u003eWorks with Polaris part numbers such as 3240110, 3240281, 4010675, and 4060118.\u003c\/li\u003e\n  \u003cli\u003eCompatible model years: Kawasaki 1988–2011 Jet Ski lines; Polaris 1992–2004 SL and Genesis families.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the NICHE starter perform compared to the original?\u003c\/h3\u003e\n\u003cp\u003eEngineered to exceed OEM specifications, the NICHE starter emphasizes higher torque and durability for dependable engine starts. Its carbon brush design and rated cycle life make it suitable for frequent starting cycles typical in marine use, while the nine-tooth pinion matches stock engagement geometry.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh torque output for strong cranking performance.\u003c\/li\u003e\n  \u003cli\u003eCarbon brush type for consistent electrical contact and wear characteristics.\u003c\/li\u003e\n  \u003cli\u003eCycle rating around 10,000 starts for extended service life.\u003c\/li\u003e\n  \u003cli\u003eNine teeth and clockwise rotation to match original gear engagement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I check before buying and installing this replacement?\u003c\/h3\u003e\n\u003cp\u003eVerify your current starter’s part number and mechanical orientation to ensure fitment; confirm clockwise rotation and nine-tooth pinion match your unit. Also inspect mounting points, electrical terminals, and clearance inside the starter compartment to avoid interference during installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMatch OEM part numbers on the old starter and vehicle service manual.\u003c\/li\u003e\n  \u003cli\u003eConfirm rotational direction (clockwise) and tooth count (9) on the pinion gear.\u003c\/li\u003e\n  \u003cli\u003eCheck terminal types and mounting bolt pattern for direct-fit installation.\u003c\/li\u003e\n  \u003cli\u003eEnsure adequate clearance in the engine bay for the replacement housing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow durable is this starter in marine environments?\u003c\/h3\u003e\n\u003cp\u003eThe NICHE unit is built with materials and construction aimed at resisting the wear common to marine use, including frequent starts and exposure to salty conditions when properly installed. While no starter is immune to corrosion over many seasons, the higher cycle rating and robust brush assembly provide improved longevity versus many worn OEM units.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned for high-cycle operation to handle frequent starting.\u003c\/li\u003e\n  \u003cli\u003eCarbon brushes optimized for consistent contact and wear resistance.\u003c\/li\u003e\n  \u003cli\u003eDurable housing and gear engagement engineered to match OEM loads.\u003c\/li\u003e\n  \u003cli\u003eRecommended inspection and routine maintenance extend service life.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Owners and technicians servicing Kawasaki Jet Ski or Polaris watercraft who need a reliable, direct-replacement starter that matches OEM fit and function. Ideal for marine repair shops, restoration projects, or riders replacing a failing starter on models listed in the compatibility notes. Choose this NICHE assembly when you require proper tooth count, clockwise rotation, and a durable, high-torque crank motor built to align with the original equipment specifications.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will this starter fit my Kawasaki Jet Ski 1100 from 2001?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — it lists compatibility with Kawasaki Jet Ski 1100 models from 1996–2003; verify OEM part number before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is the starter's rotation and tooth count?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: This NICHE starter rotates clockwise and has a nine-tooth pinion to match the original gear engagement.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"NICHE","offers":[{"title":"Default Title","offer_id":48082965069982,"sku":"B081K7G278","price":60.43,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/niche-starter-front-view.jpg?v=1785820746","url":"https:\/\/northtrailauto.ca\/products\/niche-starter-motor-assembly-for-kawasaki-polaris-21163-3702-clockwise-9-tooth-high-torque","provider":"North Trail Auto","version":"1.0","type":"link"}