--- product_id: 723616821 title: "2 Stroke 80cc Bicycle Motor, Motorized Bike Petrol Gasoline Gas Engine Motor with Two-Stage Transmission,Bicycle Motor for Pocket Bikes,Mini Dirt Bikes, Atvs,Black" brand: "quewatsa" price: "¥44378" currency: JPY in_stock: true category: "Quewatsa" url: https://www.desertcart.jp/products/723616821-2-stroke-80cc-bicycle-motor-motorized-bike-petrol-gasoline-gas store_origin: JP region: Japan --- # Two-stage transmission 1.65kW rated power Max speed 6500r/min 2 Stroke 80cc Bicycle Motor, Motorized Bike Petrol Gasoline Gas Engine Motor with Two-Stage Transmission,Bicycle Motor for Pocket Bikes,Mini Dirt Bikes, Atvs,Black **Brand:** quewatsa **Price:** ¥44378 **Availability:** ✅ In Stock ## Summary > ⚡ Transform your ride with raw 80cc power and precision engineering! ## Quick Answers - **What is this?** 2 Stroke 80cc Bicycle Motor, Motorized Bike Petrol Gasoline Gas Engine Motor with Two-Stage Transmission,Bicycle Motor for Pocket Bikes,Mini Dirt Bikes, Atvs,Black by quewatsa - **How much does it cost?** ¥44378 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/723616821-2-stroke-80cc-bicycle-motor-motorized-bike-petrol-gasoline-gas) ## Best For - quewatsa enthusiasts ## Why This Product - Trusted quewatsa brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Ready to Ride:** Comes fully assembled for quick installation on bikes, pocket bikes, and ATVs. - • **Smooth Control:** Two-stage transmission ensures seamless speed shifts and ride adaptability. - • **Precision Engineering:** Heavy-duty metal block with sloped heads for durability & higher compression. - • **Power-packed Performance:** Unleash 2.94kW max power for adrenaline-fueled rides. - • **Fuel Efficiency Meets Power:** Optimized 18:1 fuel-oil mix for new engines balances power and longevity. ## Overview The QUEWATSA 2 Stroke 80cc Bicycle Motor delivers a robust 1.65kW rated power with a max output of 2.94kW at 6500r/min. Featuring a heavy-duty metal engine block, two-stage transmission, and electronic ignition, this air-cooled, single-cylinder engine is designed for bicycles, pocket bikes, mini dirt bikes, and ATVs. It requires a fuel-oil mix (18:1 initially) and offers a smooth, powerful ride with a compact 5.5kg build, perfect for upgrading your ride with reliable, high-performance motorization. ## Description Product parameters:Product size: 26X13X26cm (10.24*5.12*10.24inch)Net weight: 5.5KG (12.13lb)Rated power: 1.65kwSpeed: 5500r/minMaximum power: 2.94kwMaximum speed: 6500r/minIgnition method: electronic ignitionSpark plug model: Z4CFuel and oil mixing ratio: 18:1 for new cars (30:1 after 500 kilometers) (this machine is a two-stroke gasoline engine with crankcase scavenging. The lubrication of the cylinder and the transmission parts in the crankcase depends on the fuel system. Therefore, the machine uses Fuel is a mixture of gasoline and lubricating oil. Before the fuel is poured into the fuel tank, pour gasoline and gasoline engine oil into the container according to a certain volume ratio, and mix them before use. Pour into the fuel tank. Do not pour the two oils in sequence. Into the fuel tank.)Model: single cylinder, air-cooled, two-strokeStroke: 40mmFuel: 90#Lubricant: Two-stroke gasoline engine oilFuel tank capacity: 3LFuel consumption: 3L/100 kilometersClutch form: friction block, dry typeStart mode: pull startCooling method: natural air coolingVariable speed mode: two-stage transmission variable speedSpeed ​​limit: 24km/hDisplacement: 80ccProduct features:100% brand new and high qualityOne-piece balanced crank, stroke 40mmThe hardware used to install the bolts is much thickerHead tilt-greater clearance and higher compression hardwareHigher power and longer service lifeFully assembled 80CC two-stroke engineIncomplete engine kit onlyPacking list:only 1 bicycle engine (not complete package) ## Features - 🚴【Product Parameters】Rated power: 1.65kw ，Speed: 5500r/min，Maximum power: 2.94kw, Maximum speed: 6500r/min,Ignition method: electronic ignition ，Stroke:40mm,Spark plug model: Z4C Fuel: 90#，gasoline Lubricant: Two-stroke engine oil，Fuel and oil mixing ratio: 18:1 for new cars (30:1 after 500 kilometers) - 🚴【【High Quality】This engine features a heavy-duty metal engine block with sloped heads for greater clearance and higher compression hardware, as well as higher power and longer life. One-piece balanced crank with 38mm stroke and thicker mounting bolt hardware. - 🚴【Break-in Period】New engines generally require a running-in period of more than 500 kilometers, and the same is true for damaged cylinders and piston rings that need to be updated. In the running-in phase, the vehicle speed should not exceed 20km/h, and the engine should not bear excessive load. Otherwise it will cause the engine to overheat, jam the cylinder, and accelerate the wear of the parts. - 🚴【Process of Use】New car 16:1 (20:1 after 500 kilometers). The machine uses fuel is a mixture of gasoline and lubricating oil. Before the fuel is poured into the fuel tank, pour gasoline and gasoline engine oil into the container according to a certain volume ratio, and mix them before use. - 🚴【Wide Application】: This is a 80cc 2-stroke engine, suitable for bicycles, pocket bikes, mini dirt bikes ATVs. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0D4D17JYV | | Best Sellers Rank | #2,398,322 in Automotive ( See Top 100 in Automotive ) #1,411 in Powersports Engine Kits | | Brand | QUEWATSA | | Brand Name | QUEWATSA | | Customer Reviews | 5.0 out of 5 stars 1 Review | | Included Components | Engine | | Item Type Name | Bicycle and motorcycle engines | | Item Weight | 5.5 kg | | Manufacturer | HUANGQINA | | Material | Metal | | Material Type | Metal | | Model | NJDSFCB89 | | Model Name | NJDSFCB89 | | Number of Items | 1 | | Part Number | NJDSFCB89 | | UPC | 759224590728 | | Warranty Description | No | ## Product Details - **Brand:** QUEWATSA - **Item Weight:** 5.5 Kilograms - **Material:** Metal - **Model Name:** NJDSFCB89 - **Number of Items:** 1 ## Images ![2 Stroke 80cc Bicycle Motor, Motorized Bike Petrol Gasoline Gas Engine Motor with Two-Stage Transmission,Bicycle Motor for Pocket Bikes,Mini Dirt Bikes, Atvs,Black - Image 1](https://m.media-amazon.com/images/I/71RbQBQHyhL.jpg) ![2 Stroke 80cc Bicycle Motor, Motorized Bike Petrol Gasoline Gas Engine Motor with Two-Stage Transmission,Bicycle Motor for Pocket Bikes,Mini Dirt Bikes, Atvs,Black - Image 2](https://m.media-amazon.com/images/I/81g1UjVOyVL.jpg) ![2 Stroke 80cc Bicycle Motor, Motorized Bike Petrol Gasoline Gas Engine Motor with Two-Stage Transmission,Bicycle Motor for Pocket Bikes,Mini Dirt Bikes, Atvs,Black - Image 3](https://m.media-amazon.com/images/I/81OJR+k4gWL.jpg) ![2 Stroke 80cc Bicycle Motor, Motorized Bike Petrol Gasoline Gas Engine Motor with Two-Stage Transmission,Bicycle Motor for Pocket Bikes,Mini Dirt Bikes, Atvs,Black - Image 4](https://m.media-amazon.com/images/I/81yDLVzNzdL.jpg) ![2 Stroke 80cc Bicycle Motor, Motorized Bike Petrol Gasoline Gas Engine Motor with Two-Stage Transmission,Bicycle Motor for Pocket Bikes,Mini Dirt Bikes, Atvs,Black - Image 5](https://m.media-amazon.com/images/I/71hBjn5MIuL.jpg) --- ## 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.jp/products/723616821-2-stroke-80cc-bicycle-motor-motorized-bike-petrol-gasoline-gas](https://www.desertcart.jp/products/723616821-2-stroke-80cc-bicycle-motor-motorized-bike-petrol-gasoline-gas) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-10-10*