{"product_id":"friction-clutch-pulley-upgrade-kit-for-okmo-engine-models","title":"P51 Friction Clutch Pulley Upgrade Kit for OKMO Engine Models","description":"\u003cdiv style=\"background-color: #f8fafc; border-left: 4px solid #2563eb; padding: 16px 20px; border-radius: 4px; margin-bottom: 24px;\"\u003e\n\u003ch3 style=\"margin: 0 0 8px 0; font-size: 16px; color: #0f172a;\"\u003e💡 Take Full Control of Your Engine's Power Transmission\u003c\/h3\u003e\n\u003cp style=\"margin: 0; font-size: 14px; color: #475569;\"\u003eTired of your engine straining during pull-starts because the belt is always locked to your drive setup? The \u003cstrong\u003eOKMO P51 Friction Clutch Pulley\u003c\/strong\u003e adds a true manual clutch system to your miniature engine—allowing you to start load-free, idle smoothly, and engage power only when you’re ready.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Perfect Compatibility Warning --\u003e\n\u003cdiv style=\"background-color: #fff8e6; border: 1px solid #ffe58f; border-left: 4px solid #faad14; padding: 12px 16px; border-radius: 4px; margin-bottom: 24px;\"\u003e\n\u003cstrong style=\"color: #d48806; font-size: 14px;\"\u003e⚠️ Perfect Fit Assurance:\u003c\/strong\u003e\n\u003cp style=\"margin: 4px 0 0 0; font-size: 13px; color: #595959;\"\u003ePrecision-engineered specifically for \u003cstrong\u003eOKMO \u003ca href=\"https:\/\/www.stirlingkit.com\/products\/retrol-okmo-1110-miniature-gas-4-stroke-ice-japanese-style-retro-classic-engine-model-full-set\"\u003e1110\u003c\/a\u003e, \u003ca href=\"https:\/\/www.stirlingkit.com\/products\/retrol-1-8-3-6cc-vintage-gasoline-engine-trailer-mini-single-cylinder-four-stroke-ice-model\"\u003e1140\u003c\/a\u003e, \u003ca href=\"https:\/\/www.stirlingkit.com\/products\/retrol-okmo-b01-ball-top-monitor-hit-and-miss-engine-miniature-gas-ice-engine\"\u003eB01\u003c\/a\u003e, \u003ca href=\"https:\/\/www.stirlingkit.com\/products\/retrol-okmo-b02-3-6cc-gas-hit-and-miss-engine-model-one-key-start-full-set-rtr\"\u003eB02\u003c\/a\u003e, \u003ca href=\"https:\/\/www.stirlingkit.com\/products\/retrol-okmo-z01-morse-z-3-6cc-throttle-governed-special-electric-engine-miniature-gas-hit-n-miss-engine-model\"\u003eZ01\u003c\/a\u003e, \u003ca href=\"https:\/\/www.stirlingkit.com\/products\/retrol-okmo-n01-1-5-scale-hit-and-miss-vertical-gas-stationary-engine-model-rtr\"\u003eN01\u003c\/a\u003e and \u003ca href=\"https:\/\/www.stirlingkit.com\/products\/lister-d-type-sationary-engine-model-miniature-internal-combustion-engine\"\u003eLD-A1\u003c\/a\u003e\u003c\/strong\u003e models and fully compatible with all new OKMO models, including B03 through B12. . Direct replacement with zero shaft or mounting hole modifications required.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Why You Need This (User Benefits) --\u003e\n\u003ch3 style=\"font-size: 18px; font-weight: bold; border-bottom: 2px solid #2563eb; padding-bottom: 6px; margin-top: 0; margin-bottom: 16px; color: #0f172a;\"\u003eWhy Upgrade Your Stock Pulley?\u003c\/h3\u003e\n\u003cul style=\"padding-left: 20px; margin-bottom: 28px;\"\u003e\n\u003cli style=\"margin-bottom: 12px;\"\u003e\n\u003cstrong style=\"color: #0f172a;\"\u003eEffortless, Strain-Free Engine Starts:\u003c\/strong\u003e Disengage the clutch before starting to remove all load resistance from generators, pumps, or gearboxes. Enjoy smoother, easier pull-starts without stalling your engine.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 12px;\"\u003e\n\u003cstrong style=\"color: #0f172a;\"\u003eAuthentic \"Neutral to Drive\" Realism:\u003c\/strong\u003e Experience realistic mechanical operation. Switch effortlessly between \u003cem\u003eDisengaged (Neutral)\u003c\/em\u003e and \u003cem\u003eEngaged (Drive)\u003c\/em\u003e modes to simulate real-world automotive clutch engagement during engine demonstrations.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 12px;\"\u003e\n\u003cstrong style=\"color: #0f172a;\"\u003eHassle-Free Engine Tuning \u0026amp; Idle Control:\u003c\/strong\u003e Need to adjust your carburetor or test idle stability? Disengage the drive system so you can safely tune your engine without spinning belts or attached driven components.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 12px;\"\u003e\n\u003cstrong style=\"color: #0f172a;\"\u003eDirect Bolt-On \/ Quick Installation:\u003c\/strong\u003e No drilling or custom machining required. Simply swap out your stock fixed pulley, align with the factory mounting holes, adjust belt tension while disengaged, and lock it down.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 12px;\"\u003e\n\u003cstrong style=\"color: #0f172a;\"\u003eDurable All-Metal Precision Machining:\u003c\/strong\u003e Built from high-grade alloy metal using original factory tolerances for reliable power transfer, thermal endurance, and zero belt slippage under heavy operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- Technical Specs Table --\u003e\n\u003ch3 style=\"font-size: 18px; font-weight: bold; border-bottom: 2px solid #2563eb; padding-bottom: 6px; margin-top: 24px; margin-bottom: 16px; color: #0f172a;\"\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-bottom: 24px; font-size: 14px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color: #f8fafc; border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 10px 12px; font-weight: 600; width: 35%; color: #334155;\"\u003eModel Code\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; color: #475569;\"\u003eOKMO-P51\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 10px 12px; font-weight: 600; color: #334155;\"\u003eType\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; color: #475569;\"\u003eManual Friction Clutch Belt Pulley Assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f8fafc; border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 10px 12px; font-weight: 600; color: #334155;\"\u003eMaterial\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; color: #475569;\"\u003eMachined Alloy Metal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 10px 12px; font-weight: 600; color: #334155;\"\u003eOuter Diameter\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; color: #475569;\"\u003e37 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f8fafc; border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 10px 12px; font-weight: 600; color: #334155;\"\u003eAdjustable Height\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; color: #475569;\"\u003e46 mm (Disengaged) \/ 42 mm (Engaged)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 10px 12px; font-weight: 600; color: #334155;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; color: #475569;\"\u003e280g (Net) \/ 350g (Package)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f8fafc; border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 10px 12px; font-weight: 600; color: #334155;\"\u003eRecommended Age\u003c\/td\u003e\n\u003ctd style=\"padding: 10px 12px; color: #475569;\"\u003e16+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c!-- What's in the Box --\u003e\n\u003ch3 style=\"font-size: 18px; font-weight: bold; border-bottom: 2px solid #2563eb; padding-bottom: 6px; margin-top: 24px; margin-bottom: 16px; color: #0f172a;\"\u003eWhat's Included\u003c\/h3\u003e\n\u003cul style=\"padding-left: 20px; margin-bottom: 16px;\"\u003e\n\u003cli style=\"margin-bottom: 6px;\"\u003e1 × OKMO P51 Manual Friction Clutch Pulley Assembly\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 6px;\"\u003e1 × Mounting Screw \u0026amp; Hardware Pack\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Stirlingkit","offers":[{"title":"Default Title","offer_id":54373577031893,"sku":null,"price":86.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0134\/7446\/3808\/files\/stirlingkit-friction-clutch-pulley-upgrade-kit-for-okmo-engine-models_6.jpg?v=1785293388","url":"https:\/\/www.stirlingkit.com\/nl\/products\/friction-clutch-pulley-upgrade-kit-for-okmo-engine-models","provider":"Stirlingkit","version":"1.0","type":"link"}