--- product_id: 245160771 title: "Lifan 125cc Engine Semi-Auto 4-Stroke Motor for XR50 CRF50 XR CRF 50 70 110 CT70 90 110 125 Dirt Bike Trail Trike" brand: "zxtdr" price: "VT229590" currency: VUV in_stock: true category: "Zxtdr" url: https://www.desertcart.vu/products/245160771-lifan-125cc-engine-semi-auto-4-stroke-motor-for-xr50 store_origin: VU region: Vanuatu --- # Standard mounting for versatile fit 125cc high-performance engine Automatic clutch with 15T 428 sprocket Lifan 125cc Engine Semi-Auto 4-Stroke Motor for XR50 CRF50 XR CRF 50 70 110 CT70 90 110 125 Dirt Bike Trail Trike **Brand:** zxtdr **Price:** VT229590 **Availability:** ✅ In Stock ## Summary > ⚡ Upgrade your ride, dominate the trail! ## Quick Answers - **What is this?** Lifan 125cc Engine Semi-Auto 4-Stroke Motor for XR50 CRF50 XR CRF 50 70 110 CT70 90 110 125 Dirt Bike Trail Trike by zxtdr - **How much does it cost?** VT229590 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/245160771-lifan-125cc-engine-semi-auto-4-stroke-motor-for-xr50) ## Best For - zxtdr enthusiasts ## Why This Product - Trusted zxtdr brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Seamless Gear Shifting:** N-1-2-3-4 semi-auto transmission for smooth control - • **Universal Compatibility:** Fits most monkey, dax, supercub, pitbike & CT70 models effortlessly - • **Complete Installation Kit:** Includes engine, intake manifold, kick starter & hardware for quick setup - • **Power-packed 125cc Engine:** Unleash reliable 4-stroke performance for your trail adventures - • **Durability Meets Convenience:** 20mm shaft size with standard mounts ensures easy upgrades and replacements ## Overview The Lifan 125cc Semi-Auto 4-Stroke Engine is a versatile, high-performance motor designed to fit a wide range of popular dirt bikes and trail bikes including CT70 and pitbikes. Featuring a smooth 4-speed semi-automatic transmission, automatic clutch with a 15T 428 sprocket, and standard mounting points, this engine kit comes complete with all necessary components for a straightforward upgrade or replacement. Ideal for riders seeking reliable power and easy installation to elevate their off-road experience. ## Description This high performance Lifan 125cc engine was made in china.How to break-in:Any new engine requires break in. Run it the first time until good and warm then let it cool completely.Don't ride until the second run up and only half throttle. Cool completely again. Continue the same and add longer run time as you go. Use oil as long as it says 4t on the bottleEngine Kit including:1 x Lifan 125cc engine1 x Kick Starter Lever1 x Gear Shift Lever1 x intake manifold1 x Manifold hardware kit ## Features - Lifan 1P54FMI 125cc engine, Gears: N-1-2-3-4, Automatic clutch with 15T 428 chain sprocket, Shaft size: 20mm - Has the standard mounting points, fit basically any monkey/dax/supercub/pitbike - Replacement / upgrade for Trail Bike CT70 90 110 125 and other most popular bikes - This kit comes with: engine, intake manifold, kick starter, manifold kit - Please check the mounting hole spacing before buying ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08G8L3WY6 | | Brand | ZXTDR | | Customer Reviews | 1.0 1.0 out of 5 stars (1) | | Date First Available | July 31, 2017 | | Is Discontinued By Manufacturer | No | | Manufacturer | ZXTDR | | Manufacturer Part Number | U-TD204 | ## Images ![Lifan 125cc Engine Semi-Auto 4-Stroke Motor for XR50 CRF50 XR CRF 50 70 110 CT70 90 110 125 Dirt Bike Trail Trike - Image 1](https://m.media-amazon.com/images/I/71fLntdN16L.jpg) ![Lifan 125cc Engine Semi-Auto 4-Stroke Motor for XR50 CRF50 XR CRF 50 70 110 CT70 90 110 125 Dirt Bike Trail Trike - Image 2](https://m.media-amazon.com/images/I/71wbe-K2-5S.jpg) ![Lifan 125cc Engine Semi-Auto 4-Stroke Motor for XR50 CRF50 XR CRF 50 70 110 CT70 90 110 125 Dirt Bike Trail Trike - Image 3](https://m.media-amazon.com/images/I/71OXmM5yR3L.jpg) ![Lifan 125cc Engine Semi-Auto 4-Stroke Motor for XR50 CRF50 XR CRF 50 70 110 CT70 90 110 125 Dirt Bike Trail Trike - Image 4](https://m.media-amazon.com/images/I/716Zummt2+L.jpg) ![Lifan 125cc Engine Semi-Auto 4-Stroke Motor for XR50 CRF50 XR CRF 50 70 110 CT70 90 110 125 Dirt Bike Trail Trike - Image 5](https://m.media-amazon.com/images/I/71ntPjP6SaL.jpg) ## Frequently Bought Together - ZXTDR Lifan 125cc Engine Semi-Auto 4-Stroke Motor for XR50 CRF50 XR CRF 50 70 110 CT70 90 110 125 Dirt Bike Trail Trike - YOXUFA 420 Motorcycle Chain 132 Links for 50 70 90 110 125cc SSR TaoTao Coolster Apollo Baja Kazuma Chinese ATV 4 Wheeler Quad Pit Dirt Bike 212cc Go Kart Mini Bike Powersports Parts W/Chain Breaker - DYC 428H Motorcycle Chain 122 Links with Chain Breaker, 428 Heavy Duty Chain for 125 150 200cc Motorcycle Mini Bike Dirt Bike Go Kart Compatible with SSR TaoTao Coolster Apollo Baja Kazuma Chinese ATV --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.vu/products/245160771-lifan-125cc-engine-semi-auto-4-stroke-motor-for-xr50](https://www.desertcart.vu/products/245160771-lifan-125cc-engine-semi-auto-4-stroke-motor-for-xr50) --- *Product available on Desertcart Vanuatu* *Store origin: VU* *Last updated: 2026-05-04*