--- product_id: 545928491 title: "Engine Motor Kit 140cc 4 Stroke Dirt Bike Engine Single-Cylinder Motor ForHonda Trail CRF50 XR50 CT70 Silver" brand: "chunille" price: "₱88881" currency: PHP in_stock: true category: "Chunille" url: https://www.desertcart.ph/products/545928491-engine-motor-kit-140cc-4-stroke-dirt-bike-engine-single store_origin: PH region: Philippines --- # 8kW max power @ 7500 RPM 140cc single-cylinder 4-stroke 4-speed manual clutch Engine Motor Kit 140cc 4 Stroke Dirt Bike Engine Single-Cylinder Motor ForHonda Trail CRF50 XR50 CT70 Silver **Brand:** chunille **Price:** ₱88881 **Availability:** ✅ In Stock ## Summary > ⚡️ Power Your Mini Trail with Precision & Performance! ## Quick Answers - **What is this?** Engine Motor Kit 140cc 4 Stroke Dirt Bike Engine Single-Cylinder Motor ForHonda Trail CRF50 XR50 CT70 Silver by chunille - **How much does it cost?** ₱88881 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ph](https://www.desertcart.ph/products/545928491-engine-motor-kit-140cc-4-stroke-dirt-bike-engine-single) ## Best For - chunille enthusiasts ## Why This Product - Trusted chunille brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Torque That Commands:** Experience 9.5N·m of torque at 5000 RPM, delivering smooth yet powerful torque for all terrains. - • **Power-Packed 8kW Output:** Unleash 8kW of max power at 7500 RPM for thrilling acceleration and unmatched trail dominance. - • **Versatile Compatibility:** Perfectly engineered for Honda CRF50, XR50, CT70, and a wide range of mini trail bikes—upgrade without limits. - • **Durable 140cc 4-Stroke Engine:** Built with a robust single-cylinder horizontal design, ensuring longevity and consistent performance on every ride. - • **Precision 4-Speed Manual Clutch:** Seamlessly control your ride with a responsive 4-speed transmission designed for peak performance. ## Overview The CHUNILLE 140cc 4-stroke single-cylinder engine motor kit offers a high-performance 8kW power output with a smooth 4-speed manual clutch. Designed for Honda mini trail models like CRF50 and XR50, it delivers 9.5N·m torque for versatile trail riding, combining durability and compatibility in a polished silver finish. ## Description Product description Engine Motor Kit Style 1 125CC Motorcycle Engine 4-Stroke Manual Clutch Motor Single Cylinder CDI For Hon-nda XR50 CRF50 CRF70 Style 2 140cc 4 Stroke Dirt Bike Engine Single-Cylinder Motor For Hon-nda Trail CRF50 CRF80F XR50 CT70 Style 3 150CC 4 Stroke Long Case GY6 Moped Scooter Engine Motor Electric CVT Auto Motor Specifications Type: Single cylinder, 4-stroke with air-cooled, and clutch operated by hand Bore×Stroke: 52.4×55.5 mm Displacement: 119.7 ml Compression Ratio: 9.0:1 Max Power: 6.5 kW/7500r/min±375r/min Rated Power: 5.6 kW/7500r/min±375r/min Max Torque: 8.0 Nm/5000r/min±250r/min Idle Speed: 1500r/min±100r/min Min Fuel Consumption: ≤367g/kw.h Ig-nition System: C-D-I Start Mode: Kick-starter Spark Plug: A7TC Clutch: Wet multi-plate Transmission: 4-speed, Manual clutch 1-N-2-3-4 Car-bu-retor Type: PZ16J Primary Reduction Ratio:3.722 Gear Ratio:2.833/1.706/1.238/0.958 Lu-b-ricant Capacity: 900 ml Lu-b-ricant: SAE15W/40-SE, 4-stroke gasoline engine oil Type: Single-cylinder, horizontal, 4-stroke; Gear: 1N234 Ig-ni-tion: CDI Bore x Stroke: 55mm x 59mm Max. Power & Corresponding Speed: 8kw(7500±375) Max. Torque & Corresponding Speed: 9.5N.M(5000±250) Start Mode: Kick starter Compression: 9.0:1 Engine Oil: 900ml, 15W/40-SE, 4 stroke Oil GEARS: 4 SPEED MANUAL CLUTCH, 1N234 SPROCKET: 15T 428 17mm A. Gasoline grade: ≥ 92 # (GB17930) b. Lub-rica-ting oil grade: SL10W/40 (GB11121) Cylinder Working Volume：0.03 Gallon (149.6ml) Transmission: cvt Speed: 8 Poles Ig-ni-tion System: C-d-i Start Method: Electric/Kick Installation Instructions: not Included Kick Start Lever: Included Condition:new Engine Type: Gy6 Single Cylinder 4-Stroke Engine Oil Type: Sf15w-40 Not Come with Oil. Car-bu-retor Model：pd24j Car-bu-retor Type: horizontal Vacuum Car-bu-retor Spark Plug Model：a7tc Ig-ni-tion Type: cfw Cooling: Air Cooled Displacement: 150cc Max Power(Kw/R/Min): 6kw/7500r/Min Rated Power(Kw/R/Min): 5.2kw/7000r/Min Max Torque(N.m/R/Min):7.6n.m/6500r/Min Min. Stable Idle Speed1600±150r/Min Piston Diameter:57.4mm Piston Stroke: 57.8mm Bore & Stroke2.26" X 2.28" (57.4mm X 57.8mm) Compression Ratio: 9.2:1 Fuel No.：>=87# Lu-b-rication Capacity：0.26 Gallon (1200ml) Clutch: shoe-type Automatic Centrifugal Dry Clutch Fit For Hon-nda CRF50 / CRF70 / XR50 / XR70 / Z50 / Z50R / CT70 Mini Trail / Z50 / Minitrail Monkey / XL70 ST70 / QA50 / QR50 / CL70 / SL70 / 70 Passport / ST 90K2 / ST 90K1 / CS 90 / SL 90 / ZB 50 / · If you are unsure, please ask your local dealer. For 150cc Gy6 11" Long Box Engine Size Scooters and Vehicles.( Gy6 125cc and 150cc Motors Come in Different Sizes. the Difference Is in the Length of the Rear Swing Arm.) 2.110cc-150cc Atvs and Go Karts with Gy6 Engines Are Compatible with This Item. It Also Fits for Most China Made 150cc Vehicles. Package includes 1x 125CC ENGINE; 1x Kick Starter Lever; 1x Gear Shift Lever; 1x Car-bu-retor; 1x Intake Manifold; 1x CDI; 2x Intake Gaskets. 1 x 140CC ENGINE; 1 x Kick Starter Lever; 1 x Gear Shift Lever; 1 x Manifold set Package; 1x Car-bu-retor; 1*CDI. Package Includes: 1x Complete Engine. (Car-bu-retor, Cdi, Starter Solenoid, Coil,Kick Start Lever ) Note: 1.Installation Manual Is Not Included 2.Professional Installation Is Highly Recommended. 3.Add Engine Oil Before Use！This Machine Is 11" Long Case！ Accessories--Generally, there is no need to purchase other accessories, because customers should have corresponding accessories on their original motorcycles. if you want to change from a small displacement to a larger displacement, then you need to buy accessories to match our engine according to the your original engine displacement. Start mode--pedal start, motor size: 47 * 32 * 28, chain: C100, engine chain 84. Exhaust Pipe--The engine matches the exhaust pipe of 125cc motorcycle and is installed horizontally. Oil--The product does not contain oil, but there will be a little residual oil in it; If the clutch wants to work, just apply a little lubricating oil Harness -- without, only the engine harness. The wire harness of CRF50 125CC can be used for five-wire 125cc general purpose, not for go-karts. With ignition coil. 140cc universal five-wire engine harness needs to be purchased by the customer. Wheel--There is no limit on the size of the wheel, as long as the car can accommodate the motor and the rim can support the weight of it. The dimensions of this product are 73 * 46 * 32cm, Weight is 28.9kg. You can check whether the wheel fit for it according to this specification. Judge whether it is appropriate--note that this is a long box with a total length of 70CM. It can be used as long as it can be installed. Oil--Both samples should be refueled, a. gasoline grade: ≥ 92 # (GB17930) b. lubricating oil grade: SL10W/40 (GB11121)，The customers needs to refuel themselves. ## Features - [Transmission] 4 SPEED MANUAL CLUTCH, 1N234. - [Power] Max. Power & Corresponding Speed: 8kw(7500±375); Max. Torque & Corresponding Speed: 9.5N.M(5000±250). - [Specification] Single-cylinder, horizontal, 4-stroke, Displacement: 140cc. - ForHonda CRF50 / CRF70 / XR50 / XR70 / Z50 / Z50R / CT70 Mini Trail / Z50 / Minitrail Monkey / XL70 ST70 / QA50 / QR50 / CL70 / SL70 / 70 Passport / ST 90K2 / ST 90K1 / CS 90 / SL 90 / ZB 50 / - [Type] Single-cylinder, horizontal, 4-stroke. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0BL282N58 | | Best Sellers Rank | #3,744,986 in Automotive ( See Top 100 in Automotive ) #2,644 in Powersports Engine Kits | | Brand | CHUNILLE | | Date First Available | November 1, 2022 | | Exterior | Polished | | Item model number | CRF50 | | Manufacturer | YilingDian-US | | Manufacturer Part Number | AC-YCZYQ-1495 | | Model | Engine Motor | ## Images ![Engine Motor Kit 140cc 4 Stroke Dirt Bike Engine Single-Cylinder Motor ForHonda Trail CRF50 XR50 CT70 Silver - Image 1](https://m.media-amazon.com/images/I/710JFVDHxiL.jpg) ![Engine Motor Kit 140cc 4 Stroke Dirt Bike Engine Single-Cylinder Motor ForHonda Trail CRF50 XR50 CT70 Silver - Image 2](https://m.media-amazon.com/images/I/71cA0ro60HL.jpg) ![Engine Motor Kit 140cc 4 Stroke Dirt Bike Engine Single-Cylinder Motor ForHonda Trail CRF50 XR50 CT70 Silver - Image 3](https://m.media-amazon.com/images/I/61m8y+qvgnL.jpg) ![Engine Motor Kit 140cc 4 Stroke Dirt Bike Engine Single-Cylinder Motor ForHonda Trail CRF50 XR50 CT70 Silver - Image 4](https://m.media-amazon.com/images/I/61NWJ0BpVNL.jpg) ![Engine Motor Kit 140cc 4 Stroke Dirt Bike Engine Single-Cylinder Motor ForHonda Trail CRF50 XR50 CT70 Silver - Image 5](https://m.media-amazon.com/images/I/61y+bSzmCKL.jpg) ## Frequently Bought Together - CHUNILLE Engine Motor Kit 140cc 4 Stroke Dirt Bike Engine Single-Cylinder Motor ForHonda Trail CRF50 XR50 CT70 Silver - LAXEEM Wire Harness Wiring Loom CDI Ignition Coil Spark Plug Rebuild Kit for 50cc 70cc 90cc 110cc 125cc Stator CDI Coil ATV Quad Bike Buggy Go Kart - DYC Chain Breaker Tool for 420-530 Roller Chain, Universal Motorcycle ATV Mini Bike Dirt Bike Go Kart Scooter Bicycle 40 410 415 420 428 50 520 525 530 Chains --- ## 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.ph/products/545928491-engine-motor-kit-140cc-4-stroke-dirt-bike-engine-single](https://www.desertcart.ph/products/545928491-engine-motor-kit-140cc-4-stroke-dirt-bike-engine-single) --- *Product available on Desertcart Philippines* *Store origin: PH* *Last updated: 2026-05-29*