--- product_id: 201669286 title: "Full Synthetic Motorcycle Oil 20W-50 1 Quart" brand: "amsoil" price: "¥12386" currency: JPY in_stock: true category: "Amsoil" url: https://www.desertcart.jp/products/201669286-full-synthetic-motorcycle-oil-20w-50-1-quart store_origin: JP region: Japan --- # Withstands extreme heat up to 228°C Multi-functional for engine, transmission & chaincase Superior rust & extreme-pressure gear protection Full Synthetic Motorcycle Oil 20W-50 1 Quart **Brand:** amsoil **Price:** ¥12386 **Availability:** ✅ In Stock ## Summary > 🔥 Shift into high gear with AMSOIL’s ultimate synthetic shield! ## Quick Answers - **What is this?** Full Synthetic Motorcycle Oil 20W-50 1 Quart by amsoil - **How much does it cost?** ¥12386 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/201669286-full-synthetic-motorcycle-oil-20w-50-1-quart) ## Best For - amsoil enthusiasts ## Why This Product - Trusted amsoil brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Ride Hot, Stay Cool:** Engineered to resist breakdown under extreme heat for peak air-cooled motorcycle performance. - • **All-in-One Powerhouse:** Seamlessly lubricates engines, transmissions, and primary chaincases—no compromises. - • **Rust? Not on Your Watch:** Advanced formula delivers superior rust protection, extending your bike’s lifespan. - • **Factory Warranty Friendly:** WARRANTY SECURE™ backed to keep your manufacturer warranty intact while boosting performance. - • **Gear Up for the Long Haul:** Extreme-pressure protection keeps gears and chains running smooth and silent. ## Overview AMSOIL Full Synthetic Motorcycle Oil 20W-50 is a premium, multi-functional lubricant designed for domestic and foreign motorcycles, excelling in air-cooled engines with high heat resistance. It protects engines, transmissions, and primary chaincases from rust and extreme pressure, compatible with Harley-Davidson and Buell models, and maintains factory warranty coverage. ## Description Advanced multi-functional formula for both domestic and foreign motorcycles. Excellent in air-cooled motorcycle engines due to high heat resistance. Can be used in engines, transmissions and the primary chaincase. Not recommended where an API GL-4 or GL-5 gear oil is required. ## Features - Withstands Extreme Heat - High-Performance Lubricant for Motorcycle Engines, Transmissions and Primary Chaincases - Delivers Superior Rust Protection - Extreme-Pressure Protection for Gears and Chains ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B008SBHB3W | | Automotive Fit Type | Vehicle Specific Fit | | Best Sellers Rank | #31,917 in Automotive ( See Top 100 in Automotive ) #57 in Powersports Engine Oil | | Brand | Amsoil | | Brand Name | Amsoil | | Compatible with Vehicle Type | Use in motorcycles that require 15W-50 or 20W-50 motorcycle oil and any of the specifications listed below, including those made by Harley-Davidson* and Buell*. JASO MA/MA-2 - API SG/SL/CF/CG-4 - ISO-L-EMA2 | | Container Type | Jug | | Customer Reviews | 4.8 out of 5 stars 477 Reviews | | Flash Point | 228 °C | | Global Trade Identification Number | 00097012264018, 00694979297921 | | Item Weight | 800 g | | Liquid Volume | 946 ml | | Manufacturer | AMSOIL | | Manufacturer Part Number | WV01RCA07923 | | Manufacturer Warranty Description | WARRANTY SECURE™ - keeping your factory warranty intact. Is a high-performance replacement for vehicle manufacturer-branded products and is also backed by the AMSOIL Limited Warranty. | | Model Number | WV01RCA07923 | | Number of Packs | 1 | | Package Information | Jug | | SAE J300 Viscosity Grade | 20W-50 | | Size | 1 Gallon | | UPC | 097012264018 694979297921 305278719419 | | Unit Count | 128 Fluid Ounces | | Vehicle Service Type | Use in motorcycles that require 15W-50 or 20W-50 motorcycle oil and any of the specifications listed below, including those made by Harley-Davidson* and Buell*. JASO MA/MA-2 - API SG/SL/CF/CG-4 - ISO-L-EMA2 Vehicle Service Type Use in motorcycles that require 15W-50 or 20W-50 motorcycle oil and any of the specifications listed below, including those made by Harley-Davidson* and Buell*. JASO MA/MA-2 - API SG/SL/CF/CG-4 - ISO-L-EMA2 See more | | Viscosity Level | Medium to High | ## Product Details - **Brand:** Amsoil - **Liquid Volume:** 946 ml - **Package Information:** Jug - **SAE J300 Viscosity Grade:** 20W-50 ## Images ![Full Synthetic Motorcycle Oil 20W-50 1 Quart - Image 1](https://m.media-amazon.com/images/I/61tMn-GKZOL.jpg) ## Questions & Answers **Q: Is there a average of how many miles i can put on my H.D. between oil changes?** A: Damn I go at least 9k b4 changes For synthetic oil **Q: Can this be used in a Harley Davidson 2020 M8** A: It is what I use in mine! so yes, It can be used in engine, trans, and primary. **Q: Does this oil have high zinc and phosphorus in it** A: Amsoil V-twin is said to have 1300 ppm in zinc and 1100 ppm of phosphorus **Q: Can I use this for a 2000 Harley ultra glide?** A: Amsoil is top of the line for Harleys. Any place it calls for Harley-Davidson SYN3 you can use Amsoil. Of course I am sure you are aware of the cam tensioner "pad" issues with early Twin cam engines. I switched my 04 Heritage Classic over to S&S gear drive to get rid of this issue. ## Frequently Bought Together - AMSOIL Full Synthetic Motorcycle Oil 20W-50 - ONE U.S. QUART, 946 ml - Amsoil 20/50wt Full Synthetic V-Twin Motorcycle Oil - K&N Motorcycle Oil Filter: High Performance, Premium, Designed to be used with Synthetic or Conventional Oils, Wrench Off Nut: Fits Select Harley Davidson, Buell Motorcycles, KN-171C --- ## 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/201669286-full-synthetic-motorcycle-oil-20w-50-1-quart](https://www.desertcart.jp/products/201669286-full-synthetic-motorcycle-oil-20w-50-1-quart) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-10-17*