--- product_id: 476774626 title: "49cc/50cc Big Bore Pocket Bike Engine - 2 Stroke Motor with Pull Start, CNC Engine Cover, DIY Kit Includes Handle Grip, Throttle Cable, Air Filter for Mini Dirt Bike" brand: "frederimo" price: "$274.58" currency: USD in_stock: true url: https://www.desertcart.us/products/476774626-49cc-50cc-big-bore-pocket-bike-engine-2-stroke-motor store_origin: US region: United States of America --- # 49cc 2-Stroke Power 3.1:1 Gearbox Reduction Up to 40mph Speed 49cc/50cc Big Bore Pocket Bike Engine - 2 Stroke Motor with Pull Start, CNC Engine Cover, DIY Kit Includes Handle Grip, Throttle Cable, Air Filter for Mini Dirt Bike **Brand:** frederimo **Price:** $274.58 **Availability:** ✅ In Stock ## Summary > ⚡ Unleash Mini Power, Maximize Fun! ## Quick Answers - **What is this?** 49cc/50cc Big Bore Pocket Bike Engine - 2 Stroke Motor with Pull Start, CNC Engine Cover, DIY Kit Includes Handle Grip, Throttle Cable, Air Filter for Mini Dirt Bike by frederimo - **How much does it cost?** $274.58 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/476774626-49cc-50cc-big-bore-pocket-bike-engine-2-stroke-motor) ## Best For - frederimo enthusiasts ## Why This Product - Trusted frederimo brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Lightweight & Compact:** Just 10 pounds, engineered for easy handling and quick assembly by intermediate riders. - • **Race-Ready Powerhouse:** 49cc 2-stroke engine delivers thrilling speed and torque for mini dirt bikes and pocket bikes. - • **Versatile Compatibility:** Perfect fit for pocket bikes, mini dirt bikes, ATVs, and scooters—upgrade your ride instantly. - • **Complete DIY Upgrade Kit:** Includes handle grips, throttle cable, and air filter for a seamless, all-in-one installation. - • **Precision CNC Engine Cover:** Durable, sleek CNC-machined cover ensures long-lasting protection and a premium look. ## Overview The Frederimo 49cc/50cc Big Bore Pocket Bike Engine is a high-performance 2-stroke motor designed for mini dirt bikes, pocket bikes, ATVs, and scooters. Featuring a 3.1:1 gearbox reduction and capable of speeds up to 40mph, this lightweight 10-pound engine comes with a CNC-machined cover and a complete DIY kit including grips, throttle cable, and air filter. Ideal for intermediate riders seeking a reliable, powerful upgrade with easy installation. ## Description Buy Frederimo 49cc/50cc Big Bore Pocket Bike Engine - 2 Stroke Motor with Pull Start, CNC Engine Cover, DIY Kit Includes Handle Grip, Throttle Cable, Air Filter for Mini Dirt Bike: Rebuild Kits - desertcart.com ✓ FREE DELIVERY possible on eligible purchases ## Features - Gear Box Reduction Rate: 3.1 : 1 - 49cc mini motor air cooled racing engine capable of achieving 40mph dependant on user weight and terrain. - For 49CC 2 Stroke Pocket Bike, Mini Dirt Bike, ATV or Scooter - Includes: 1 x complete engine motor ; 1 x pair of Grips ; 1 X Throttle Cable ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0BGHJ4VHN | | Additional Features | Electric | | Age Range Description | Adult | | Best Sellers Rank | #1,777,441 in Automotive ( See Top 100 in Automotive ) #1,001 in Powersports Engine Kits | | Bicycle Drivetrain Type | chain | | Bicycle Gear Shifter Type | Twist Grip | | Bike Type | Pocket Bike, Mini Dirt Bike, ATV or Scooter | | Brake Style | Disc | | Brand Name | Frederimo | | Color | Red | | Customer Reviews | 3.9 3.9 out of 5 stars (42) | | Included Components | Filter | | Intended Riding Terrain | Unpaved Trails | | Item Weight | 10 pounds | | Manufacturer | Frederimo | | Model Name | Frederimo 49cc 50cc Big Bore Pocket Bike Engine | | Number Of Speeds | 14 | | Number of Handles | 1 | | Power Source | battery or direct fuel connection | | Seat Material | Vinyl | | Size | Style4 | | Skill Level | Intermediate | | Style Name | Red | | Suspension Type | Rigid | | Theme | Motorcycle | | UPC | 715092616069 | | Unit Count | 1 Count | | Wheel Material | Alloy Steel | ## Product Details - **Age Range (Description):** Adult - **Bike Type:** Pocket Bike, Mini Dirt Bike, ATV or Scooter - **Brake Style:** Disc - **Brand:** Frederimo - **Color:** Red - **Included Components:** Filter - **Number of Speeds:** 14 - **Size:** Style4 - **Special Feature:** Electric - **Suspension Type:** Rigid ## Images ![49cc/50cc Big Bore Pocket Bike Engine - 2 Stroke Motor with Pull Start, CNC Engine Cover, DIY Kit Includes Handle Grip, Throttle Cable, Air Filter for Mini Dirt Bike - Image 1](https://m.media-amazon.com/images/I/71ga3Vr4LbL.jpg) ![49cc/50cc Big Bore Pocket Bike Engine - 2 Stroke Motor with Pull Start, CNC Engine Cover, DIY Kit Includes Handle Grip, Throttle Cable, Air Filter for Mini Dirt Bike - Image 2](https://m.media-amazon.com/images/I/81SA2gF1+GL.jpg) ![49cc/50cc Big Bore Pocket Bike Engine - 2 Stroke Motor with Pull Start, CNC Engine Cover, DIY Kit Includes Handle Grip, Throttle Cable, Air Filter for Mini Dirt Bike - Image 3](https://m.media-amazon.com/images/I/61gYKajbjbL.jpg) ![49cc/50cc Big Bore Pocket Bike Engine - 2 Stroke Motor with Pull Start, CNC Engine Cover, DIY Kit Includes Handle Grip, Throttle Cable, Air Filter for Mini Dirt Bike - Image 4](https://m.media-amazon.com/images/I/71a+KiNqHHL.jpg) ![49cc/50cc Big Bore Pocket Bike Engine - 2 Stroke Motor with Pull Start, CNC Engine Cover, DIY Kit Includes Handle Grip, Throttle Cable, Air Filter for Mini Dirt Bike - Image 5](https://m.media-amazon.com/images/I/81zcr7ojZeL.jpg) ## Questions & Answers **Q: Is a separate exhaust needed to run this engine? If so which one?** A: My son had one on his dirt bike already an you don’t have to have exhaust for it to run **Q: Is this a right side or left side drive? The photos show both.** A: The mounting holes are on the bottom. I purchased this as a replacement for my sons dirt bike motor. His clutch was fried and it was more practical to replace the engine. I only see it mounting one way. Chain on left side. **Q: Automatic transmission?** A: Basically it uses gear ratios in the gear box like a transmission. ## Frequently Bought Together - Frederimo 49cc 50cc Big Bore Pocket Bike Engine 2 Stroke Motor Pull Start Engine with Cylinder CNC Engine Cover DIY Engine + Handle Grip + Throttle Cable + Air Filter Fit Pocket Bike Mini Dirt Bike - 2-Stroke Muffler Exhaust Pipe with Expansion Chamber - Angled Design with Pipe Gasket - Compatible with 47/49cc CAG Daytona Pocket Bikes, Kids Mini Dirt Bike - Easy to Install - HIAORS T8F Drive Chain 116 Link Heavy Duty Compatible with 43cc 47cc 49cc 50cc 2-Stoke SSR SX50 Coolster ATV SYX Moto Holeshot X-Pro Mini Chopper Pocket Bike ATV Quad 4 Wheeler Scooter Minimoto Parts --- ## 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.us/products/476774626-49cc-50cc-big-bore-pocket-bike-engine-2-stroke-motor](https://www.desertcart.us/products/476774626-49cc-50cc-big-bore-pocket-bike-engine-2-stroke-motor) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-08-12*