--- product_id: 135989068 title: "Naraku 18/36 Gear Set for GY6" brand: "naraku" price: "฿8024" currency: THB in_stock: true reviews_count: 4 category: "Naraku" url: https://www.desertcart.co.th/products/135989068-naraku-18-36-gear-set-for-gy6 store_origin: TH region: Thailand --- # Boosts top speed up to 80+ mph 35% taller gear ratio Optimized for 125/150cc GY6 engines Naraku 18/36 Gear Set for GY6 **Brand:** naraku **Price:** ฿8024 **Availability:** ✅ In Stock ## Summary > ⚡ Shift into the fast lane with Naraku’s ultimate gear upgrade! ## Quick Answers - **What is this?** Naraku 18/36 Gear Set for GY6 by naraku - **How much does it cost?** ฿8024 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/135989068-naraku-18-36-gear-set-for-gy6) ## Best For - naraku enthusiasts ## Why This Product - Trusted naraku brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Unlock +35% Gear Ratio:** Experience a significant top speed boost that leaves stock gears in the dust. - • **Ideal for Big Bore Kits:** Maximize your engine’s potential when paired with performance-enhancing big bore kits. - • **Smooth Cruising at 55+ mph:** Enjoy effortless highway cruising with improved gear ratios and optimized roller weights. - • **Precision Fit for GY6 125/150cc:** Seamlessly upgrade your engine with a gear set designed for perfect compatibility. - • **Pro-Recommended Performance Upgrade:** Trusted by custom builders and riders aiming for 80+ mph top speeds. ## Overview The Naraku 18/36 Gear Set is engineered for 125/150cc GY6 engines, delivering a 35% taller gear ratio that significantly increases top speed and cruising efficiency. Perfectly compatible with big bore kits, this gear set is a proven upgrade for riders seeking smoother acceleration and speeds exceeding 80 mph. Lightweight and precision-made, it’s a must-have for performance-focused enthusiasts. ## Description Naraku 18/36 Gear Set for 125/150cc GY6 engines. +35% Gear Ratio for increased top speed. Please see our Warranty & Returns Policy. Review: Great buy - I have a custom honda ruckus with a gy6 swap the motor is a gy6 150 cc motor not big bored yet with 11 gram rollers it cruises at 55 no problem and goes 61 flat the fastest I've gone was 66 but was sketchy at that speed with a 171 cc bbk I easy see this motor hitting 80+mph I definitely recommend it and it is worth every penny Review: Better top speed! - By changing to the 18/36 gear set, off the line acceleration is a little slower however, overall top speed is much better! Compensated by changing from 13 gram roller weights to 12 gram weights. Great product at a great price. ## Features - Naraku 18/36 Gear Set for 125/150cc GY6 engines. +35% Gear Ratio for increased top speed.Please see - our Warranty & Returns Policy. 35% Taller GearingRecommended For Use With A Big Bore Kit ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B071FXMZX9 | | Best Sellers Rank | #7,147,770 in Automotive ( See Top 100 in Automotive ) #1,881 in Powersports Transmissions | | Brand | NARAKU | | Customer Reviews | 4.5 4.5 out of 5 stars (14) | | Date First Available | June 3, 2017 | | Item Weight | 1.5 pounds | | Manufacturer | Naraku | | Manufacturer Part Number | 137-3 | ## Images ![Naraku 18/36 Gear Set for GY6 - Image 1](https://m.media-amazon.com/images/I/41-f1-zBpKS.jpg) ![Naraku 18/36 Gear Set for GY6 - Image 2](https://m.media-amazon.com/images/I/2108I+Cu7sL.jpg) ![Naraku 18/36 Gear Set for GY6 - Image 3](https://m.media-amazon.com/images/I/31um0W7YaYL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great buy *by A***A on May 10, 2022* I have a custom honda ruckus with a gy6 swap the motor is a gy6 150 cc motor not big bored yet with 11 gram rollers it cruises at 55 no problem and goes 61 flat the fastest I've gone was 66 but was sketchy at that speed with a 171 cc bbk I easy see this motor hitting 80+mph I definitely recommend it and it is worth every penny ### ⭐⭐⭐⭐⭐ Better top speed! *by A***R on February 25, 2021* By changing to the 18/36 gear set, off the line acceleration is a little slower however, overall top speed is much better! Compensated by changing from 13 gram roller weights to 12 gram weights. Great product at a great price. ### ⭐⭐⭐⭐⭐ Fits well *by F***N on April 21, 2019* Easy fit on my Rockets. --- ## 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.co.th/products/135989068-naraku-18-36-gear-set-for-gy6](https://www.desertcart.co.th/products/135989068-naraku-18-36-gear-set-for-gy6) --- *Product available on Desertcart Thailand* *Store origin: TH* *Last updated: 2026-04-23*