--- product_id: 24043176 title: "Royal Vintage Spare Auxiliary Fuel Tank Motorcyle Tuning Servicing 300ml" brand: "praztech" price: "$50.15" currency: USD in_stock: true category: "Praztech" url: https://www.desertcart.us/products/24043176-royal-vintage-spare-auxiliary-fuel-tank-motorcyle-tuning-servicing-300ml store_origin: US region: United States of America --- # 300ml compact fuel capacity gravity-fed steady fuel flow in-line shut-off valve control Royal Vintage Spare Auxiliary Fuel Tank Motorcyle Tuning Servicing 300ml **Brand:** praztech **Price:** $50.15 **Availability:** ✅ In Stock ## Summary > ⛽ Tune like a pro, fuel with precision – never miss a beat! ## Quick Answers - **What is this?** Royal Vintage Spare Auxiliary Fuel Tank Motorcyle Tuning Servicing 300ml by praztech - **How much does it cost?** $50.15 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/24043176-royal-vintage-spare-auxiliary-fuel-tank-motorcyle-tuning-servicing-300ml) ## Best For - praztech enthusiasts ## Why This Product - Trusted praztech brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Flexible Setup:** Includes rubber hose and nylon strap for versatile positioning in any workshop environment. - • **Gravity-Fed Design:** Ensures a smooth, consistent fuel supply for hassle-free carburetor adjustments. - • **Visible Fuel Markings:** Transparent reservoir with graduated levels for accurate fuel monitoring and measurement. - • **Compact 300ml Capacity:** Perfectly sized for precise engine tuning and diagnostics without bulk. - • **In-Line Shut-Off Valve:** Instantly start, stop, or regulate fuel flow for ultimate control during servicing. ## Overview The Royal Vintage 300ml Auxiliary Fuel Tank is a compact, gravity-fed fuel reservoir designed for carbureted engines. Featuring an in-line shut-off valve, flexible hose, and visible fuel level markings, it provides a reliable temporary fuel supply ideal for engine tuning, diagnostics, and maintenance across motorcycles, ATVs, generators, and small machinery. ## Description The Royal Vintage 300 ml Auxiliary Fuel Tank provides a convenient temporary fuel supply for compatible carbureted engines and equipment. Ideal for motorcycles, bikes, cars, ATVs, generators, small engines, and machinery, it features a gravity-fed design, flexible hose, in-line shut-off valve, and nylon strap. The transparent reservoir with graduated markings allows easy fuel-level monitoring, making it useful for engine testing, diagnostics, carburetor tuning, fuel-system servicing, and maintenance. ## Features - TEMPORARY FUEL SUPPLY FOR ENGINES: This auxiliary fuel tank provides a convenient temporary fuel source when the original fuel tank is removed, disconnected, or difficult to access. Suitable for carbureted motorcycles, bikes, cars, ATVs, generators, small engines, machinery, and other compatible equipment. - COMPACT GRAVITY-FED DESIGN: The 300 ml auxiliary fuel reservoir delivers a steady gravity-fed fuel supply through the flexible hose, making it useful for engine testing, diagnostics, tuning, fuel-system servicing, and workshop maintenance without installing a full-size fuel tank. - CONTROLLED FUEL FLOW: An in-line shut-off valve lets you start, stop, or restrict fuel flow directly from the auxiliary tank. This provides convenient control during carburetor adjustments, engine testing, fuel-line checks, leak diagnosis, and other maintenance procedures. - FLEXIBLE WORKSHOP SETUP: Includes a flexible rubber hose and nylon hanging strap for positioning the reservoir above the engine or fuel inlet. The compact design helps keep the work area clear and allows convenient access in engine bays, workshops, garages, and service areas. - 300 ML CAPACITY WITH VISIBLE MARKINGS: The compact 300 ml reservoir features graduated markings for easy fuel-level monitoring and quantity measurement. Ideal for focused testing, tuning, diagnostics, break-in procedures, and servicing of compatible carbureted engines and equipment. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B018FVLFZY | | Best Sellers Rank | #23,607 in Automotive ( See Top 100 in Automotive ) #2,039 in Motorcycle & Powersports | | Brand | PRAZTECH | | Brand Name | PRAZTECH | | Capacity | 300 ml | | Compatible with Vehicle Type | Bike | | Customer Reviews | 4.0 out of 5 stars 789 Reviews | | Exterior Finish | Rubber | | Fit Type | Vehicle Specific or Universal | | Fuel Type | Gasoline | | Item Highlight | Gas spare bottle for Autmotive equipment and machinery balancing and sync carbs carburetor | | Item Weight | 0.21 kg | | Manufacturer | Royal Vintage Spare | | Manufacturer Part Number | 8FVLFZY | | Material | Nylon,Rubber | | Material Type | Nylon,Rubber | | Model Number | 8FVLFZY | | Number of Items | 1 | | Product Grade | 10 | | Unit Count | 1 Count | | Vehicle Service Type | Bike | ## Product Details - **Brand:** PRAZTECH - **Exterior Finish:** Rubber - **Item Weight:** 0.21 kg - **Material:** Nylon,Rubber - **Vehicle Service Type:** Bike ## Images ![Royal Vintage Spare Auxiliary Fuel Tank Motorcyle Tuning Servicing 300ml - Image 1](https://m.media-amazon.com/images/I/517kdoNjeBL.jpg) ![Royal Vintage Spare Auxiliary Fuel Tank Motorcyle Tuning Servicing 300ml - Image 2](https://m.media-amazon.com/images/I/61PNAp6k4lL.jpg) ![Royal Vintage Spare Auxiliary Fuel Tank Motorcyle Tuning Servicing 300ml - Image 3](https://m.media-amazon.com/images/I/51KUZxKx1GL.jpg) ![Royal Vintage Spare Auxiliary Fuel Tank Motorcyle Tuning Servicing 300ml - Image 4](https://m.media-amazon.com/images/I/31qm6XhhVhL.jpg) ![Royal Vintage Spare Auxiliary Fuel Tank Motorcyle Tuning Servicing 300ml - Image 5](https://m.media-amazon.com/images/I/71pmhq672BL.jpg) ## Questions & Answers **Q: What's the interior diameter of the hose?** A: About 1/4 inch **Q: What is the inside diameter of the tubing?** A: 2" 1/6th inside diameter **Q: Comment to maker. great price. would buy if capacity was larger. ten ounces a tad to little for most larger bike maintenance.** A: Yes, it would help to be larger **Q: is it possible to use my existing petcock(Honda CB350) rather than the included valve since I need it to supply 2 fuel lines?** A: No, use the outside hanging gas source, it bypasses the fuel tank which may be contaminated ## Frequently Bought Together - Royal Vintage Spare A112 Auxiliary Fuel Tank For Servicing Your Bike 300Ml - VEVOR Fuel Vacuum Carburetor Synchronize Tool Kit Fuel Vacuum Carburetor Synchronizer carb sync Gauge Set with Rubber Hose - Set of 4 Carburetor Carbon Dirt Jet Remove Cleaner 26 Cleaning Wires Set + 20 Cleaning Needles + 10 Nylon Brushes Tool Kit for Motorcycle ATV Moped Welder Carb Chainsaw Spray Guns Torch Tips --- ## 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/24043176-royal-vintage-spare-auxiliary-fuel-tank-motorcyle-tuning-servicing-300ml](https://www.desertcart.us/products/24043176-royal-vintage-spare-auxiliary-fuel-tank-motorcyle-tuning-servicing-300ml) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-10-03*