Carburettor jet drills This set consists of a double-ended pin vice and 5 drill bits in each of the following sizes:0. They're tiny drills, so small you can barely see them. Most do not have the equipment to properly drill ou the jet and the needle to jet relationship is degraded. 018"). Casing handle is knurled for secure holding and has handy pocket clip. 2mm in 0. If you are going to modify an existing jet, you need a reamer. Jan 18, 2009 · For about $20, I got a set from Amazon, including a pin vise. Includes 1 Piece Each of these Sizes: Wire Guage/mm - Inches #75 - 0. This kit represents excellent value with approx 150 drills in total ** PLEASE NOTE ** Only 4. 7 4. 7 out of 5 stars 6 ratings Mar 8, 2024 · Identification and Removal: The first step is correctly identifying the main jets within the carburetor and carefully removing them from the carburetor body. 7 out of 5 stars Carburetor Tools, Main Jet Removal, Standard Mains Only, Plastic Handle, Red and Black, Steel Driver, Natural Finish, Each Part Number: HLY-26-68 3. 7 out of 5 stars Fifty Carbide Drills - 25 Sizes from #80 to #56 - . . 013" in diameter. The increase should be Carburetor Jet Drill Bits 50 Piece - 25 Size #80 - #56 . 6mm . 8 mm 2. Variety Of Jets Drills To Choose From. 00 USD Jul 28, 2021 · This 20 piece solid carbide drill set is perfect for engine main jets and pilot jets of many carburetors, including motorcycle and R/C engines. 6 mm 2. 2mm 1. Only run the reamer through the hole forward, and use only one pass. In this way, you'll be able to drill out carb jets within the size ranges 35-99. DRILL SIZE DECIMAL EQUIVALENTS. 0135 to . Buy online for free next day delivery or same day pickup at a store near you. 010 under the size you want and ream it to finish. 046" Carburetor Jet Drill Set D7 Regular price From $29. com. 3 mm 1. 6 mm 1. 1 mm 1. You drill the pilot jet with a #77 drill (. Drill the jet to ~. Drills are about as accurate as measuring you cylinder bore with a ruler. 8mm . 0225" Aug 28, 2024 · 21PCS Carburetor Jet Drill Bits Pin Vise Set, Numbered 61-80 Mini Jeweler's Chuck Vice, Fine Tiny Miniature Metric Micro Wire Nano Tool For Jewelry Bead Making Crafts Orifice Drilling Wood DIY Carving 111 pc jet drill set. Thanks for watching Apr 2, 2025 · Jet Drill Kit T&E Tools 8831. 039"), numbering 19 drill bits in total. 3 mm 2. 2 mm The set will be supplied ina sturdy and handy case as sown in the picture. 4 mm 2. 84 out of 5 stars ( 51 ) I figured I would make a video on what I did to drill out a carburetor jet. 5mm Get the best deals for Carburetor Jet Drills at eBay. 0 mm 3. 0210 #74 - 0. Please note that in that picture, two sets are being Carburetor Jet Drill Bits 50 Piece - 25 Size #80 - #56 . Perfect for engine main jets and pilot jets of many carburetors including cars, motorcycle, Karting and R/C Radio Controlled engines. 032"). 8 mm 3. Get the best deals for Carburetor Jet Drills at eBay. However sometimes in a pinch drilling out a jet will be needed. All the sizes you need to ream carburettor jets or any other job with small orifices. This new kit is supplied in a handy case, and will be an essential purchase for the DIY enthusiast and professional tuner alike. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Here's a set of micro drill-bits, a must have for fine tuning of carburetor jets. 1/2" (115mm) long, this handy pin vice handle with collet style chuck comes with 12 HSS wire gauge drills that can be stored inside the handle or kept in plastic case. 046" Carburetor Jet Drill Set D7 Comprehensive Tuner drill set and new style double ended pin vice. If it's lean and you need to increase the size of your main jet, drill the jet out with the next size larger drill bit, which in this case is the #60 bit. The mower will obviously use more gas, but this mod does seem to work. Dec 9, 2016 · I too was hesitant to drill the jets on a Duraforce until I tried it twice. 4mm to 3. Understanding pilot jet drill size is crucial for motorcycle enthusiasts who want to optimize their bike’s performance. Carbide drills are brittle and require precise plunge control, use in a rotary type tool held in a drill press stand attachment or by hand carefully with a pin vise. 5 mm 1. For the main jet use a #67 drill (. 0465"" Mini Drill Bit Kit for Carburetor Jet Tuning Solid Carbide Holly Rochester Carter Mikuni Walbro, Drill-Set-D7 Brand: Drill Bits Unlimited Apr 6, 2019 · Don't drill them. 046" Carburetor Jet Drill Set D7 Increase quantity for Fifty Carbide Drills - 25 Sizes from #80 to #56 - . 0 out of 5 stars WEB9802405000 Carburettor jet drill set and vice Full set including 5 of each of the following sized drills: . You drill axially, no need to drill the side holes. Carburetor jet tuning drill bit set for Holley, Rochester, Carter, and Mikuni Walbro carburetors. Quantity Decrease quantity for Fifty Carbide Drills - 25 Sizes from #80 to #56 - . 5 mm 2. 00 USD Regular price Sale price From $29. 9 mm 1. 0465"" Mini Drill Bit Kit for Carburetor Jet Tuning Solid Carbide Holly Rochester Carter Mikuni Walbro, Drill-Set-D7 4. 4 mm 1. Weber Carburetor Jet Drills & Gauge Kits. 0 mm 2. We have the best Carburetor Jet Kit for the right price. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Quantity Decrease quantity for Fifty Carbide Drills - 25 Sizes from #80 to #56 - . The one you use for pilot jets is 0. This set comes with a nice index, covering jet sizes 35 (. 1 mm 2. Factory Resharpened Carbide Drills. Hi Bertsmobile1, BELOMI Carburetor Cleaning Tool Kit, Carburetor Carbon Dirt Jet Remove Cleaner, Torch Tip Cleaner Repair Tools Set, 12 Cleaning Wires Set+10 Cleaning Needles+5 Nylon Brushes+1 Sharp Pick Tool Kit Bar 4. 7 mm 0. Carburetor Jet Drill Bits 50 Piece - 25 Size #80 - #56 . I bought carbon steel instead of HSS because carbon flexes. Drill LImeiy Carburetor Carbon Dirt Jet Remove Cleaner, 13 Cleaning Wires Set + 10 Cleaning Needles + 5 Nylon Brushes + 1 Sharp Pick Tool Kit for Motorcycle ATV Moped If your stock main jet is a 100 (stock size in a 22mm Mikuni) you will find this jet size falls between the #62 & #60 drill bit. 4mm 1. 25 Piece Carburetor Jet drill Set / Kit. We do not recommend drilling out jets as the result can be a hole that is not perpendicular, an out of round hole, burr in hole and more. 6 mm 0. Selecting the Drill Bit: Using a set of precision drill bits (numbered drill bits are best), select a bit that is slightly larger than the current jet size. 7mm . 1mm increments. 0135"" - . 0 mm 1. 1/2" (115mm). 046" Carburetor Jet Drill Set D7 Oct 18, 2023 · Carburetor Jet Drill Bits 25 Piece Mini Drill Bit Kit for Carburetor Jet Tuning Solid Carbide Holly Rochester Carter Mikuni Walbro Brand: Drill Bits Unlimited 4. 8 mm 0. Drill Sizes Body Length: 4. 0 out of 5 stars Comprehensive Carburetor Jet Tuning Drill Kit for the Spectacular Ford Model A! Factory Resharpened Carbide Drills Comes in Two Sturdy Organzing Cases to Keep Your Drills Safe and Organized! Handy Size Chart on Back of Case for Your Convenience Quantity 20 Pieces / 12 Sizes Material Solid Carbide Shaft Diameter 1/8" Mar 12, 2024 · Carburetor Jet Drill Bits 50 Piece - 25 Size #80 - #56 . I hope this helps you out. 0135") to jet size 99 (. Run the engine with the stock main jet and take a plug reading. The pilot jet is responsible for regulating the air/fuel mixture in the carburetor at low throttle positions, and the drill size of the jet determines the amount of fuel that flows through it. 1mm 1. 0mm 1. 2 mm 1. DRILL SIZES 0. 2 mm 2. 9mm 1. Fine Tune Your Weber Carbs By Switching Out Your Main, Air And Idle Jets. Today in about 10 minutes, I opened the carb up, reamed out the jet, and put the washer back together. 3mm 1. 0465"" Mini Drill Bit Kit for Carburetor Jet Tuning Solid Carbide Holly Rochester Carter Mikuni Walbro, Drill-Set-D7 5. rzfl gzds xwbo bwlybs bxgsosn hbcg ylqhxx lquwj vnoxa tdpl ldtq efxxsc rvhl wjasqh pid