Lectron tuning

BILLETRON™ PRO-SERIES 38 Carburetor for KTM 200 XC/XC-W/EXC: A groundbreaking carburetor that redefines two-stroke performance for 125cc-299cc motors. With innovative design and precise engineering, experience unprecedented torque, horsepower, and rideability gains. The PRO SERIES boasts tailored air flow, velocity dynamics, and three adjustable fuel circuits for optimal coordination ...

Lectron tuning. Description Slavens Mule Billetron Pro 38mm 2-Stroke Carburetors by Lectron. 30-Day Satisfaction Guarantee – see Returns tab above for details!. Lectron Fuel Systems took years of rider feedback on their wildly popular 38mm H-Series Carburetors to develop the original Billetron 38mm 2-Stroke Carburetor.

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Tuning the Power Jet does not affect idle or low to mid range throttle response. When you order your carb kit it will be pre tuned and its available with different intake mounting and air cleaner mounting options. The Lectron will give you better performance and throttle response and as a bonus you will get better mileage. Tuning Materials. PLEASE SELECT YOUR CARBURETOR MODEL. Legacy Lectron. H-Series. Billetron. Billetron PRO-SERIES. Lectron Gen ll 4T. HD - Harley Davidson. Lectron Fuel Systems. Business Information. Business Name: Precision Tune Auto Care. Address: 7010 Jefferson Davis. Phone Number: (804) 525-5162. Email: not listed. Precision Tune Auto Care is …YFZ450 Kit. 57300. Add to Cart. Kit includes carb, intake manifold throttle cable, and adjustment tool. Sick of trying to tune your stock carb? It's a pain in the a$$ swapping jets and adjusting needles trying to get that perfect, crisp, responsive tune. Thankfully there is …The fuel requirements of a two-stroke differ in the mid-range from a four-stroke. Lectron provides a series of metering rods yielding a richer mid-range mixture. By varying metering rod types and position, the Lectron should satisfy even the most critical carburetion application. OBSERVATIONS. Some enthusiasts and professionals swear by Lectrons.The design of the Lectron® is focused on two primary principles: 1. “AMPLIFY” the fuel pick up signal. 2. “UTILIZE” the amplified fuel pick-up signal to create a more efficient burnable mixture. The venturi of the Lectron® carb is customized to increase the air velocity. Maximum air velocity is obtained at the point where the patented ...

BILLETRON™ Pro-Series carburetor kit by Lectron Fuel System for Honda XR 600 motorcycles. The PRO XR 600 kit features our patent-pending Xcelerator metering rod that generates immediate throttle response and improved acceleration with a quick burst of fuel in rapid throttle openings. The Xcelerator rod also effortlessly adapts to elevation ...This delivers not just competitive performance results, but a next tier performance with enhanced power and torque that is delivered without hesitation and relentless repeatability. The transformed BILLETRON™ PRO-SERIES performance fused with Lectron's adaptable metering rod technology has yielded the pinnacle of carburetors.Wilkinson Terrace is a neighborhood of homes in North Chesterfield Virginia offering an assortment of beautiful styles, varying sizes and affordable prices to choose from. …For comprehensive and detailed instructions on tuning your PRO-SERIES carburetor, please refer to the Tuning Manual included in your package. This dedicated manual provides step-by-step guidance, safety precautions, and tips for achieving optimal performance. Unlock the full potential of your carburetor and enjoy a customized riding …The FCR is a carb built to be fast and reliable, for all kinds of bike, but you have to re-jet. This has been made fairly easy on the FCR, so with some practice it should be an easy job. The DRZ E came with this carb, so the engine does well with it. And as said above, the knowledge on the FCR on this forum is immense.

Shop Buy Lectron Electron Fuel Injection Throttle Body Velocity Power Jet 2T 2 Stroke 4T 4 Stroke Gen2 Self Tuning Carburetors at Lectron UK MX MOTO Parts Store. UK owned, huge range of dirt bike, road bike, motorcycle parts & accessories at best price offering excellent serviceWe have been developing carburetors for over 40 years now and have a rich history in the Harley world, including being and OEM option in the late '70s! Known for making huge power and being easy to tune, Lectron has won more championships in drag racing than any other carb manufacturer. After proving our technology, we began to refine our ...PRO-SERIES Four Stroke Tuning Guide; Tech Videos; Tuning Material Guides; Dealer Map; Request A Quote; Account . Metering Rods. Be the first to review this product . As low as $39.99. SKU. 2600. ... Lectron is celebrating 45 years of helping riders get the most from their vehicles with our high performance carburetors and EFI. Thanks for your ...The Pro-Series has received consistent feedback from pro class riders making comparison of the Pro-Series power and response to a four-stroke fuel injected bike. Get rid of bogs, no flat spots, and put big power to the …Many older bikes have mix and matched intake manifold and air boxes which could affect fitment of the carburetor. Our carburetors spigot and bell diamater is replicable to a PWK 38. The BILLETRON short body is 78mm OL and the long body is 90mm OL. ** = Select models with 'slip in' throttle cable require adapter 'Slip In' Cable Adapter.Shop Buy Lectron Electron Fuel Injection Throttle Body Velocity Power Jet 2T 2 Stroke 4T 4 Stroke Gen2 Self Tuning Carburetors at Lectron UK MX MOTO Parts Store. UK owned, huge range of dirt bike, road bike, motorcycle parts & accessories at best price offering excellent service

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Included in PRO Kawasaki KLR 4-Stroke Kits ($899): Black anodized carburetor. Xcelerator metering rod (installed) Chrome plated slide. Throttle cable. Domino throttle housing. *Year, make, and model will affect carburetor dimensions. Please contact Lectron directly if transferring between models. **Included throttle cable and throttle housing ...PRO-SERIES Four Stroke Tuning Guide; Tech Videos; Tuning Material Guides; Dealer Map; Request A Quote; Account . Home ; Shop By Manufacturer ; Suzuki ; Two Stroke ; RM 125; RM 125. View as Grid List. ... Lectron is celebrating 45 years of helping riders get the most from their vehicles with our high performance carburetors and EFI. Thanks for ...Disclaimer: Lectron products come preset with a base tune determined by in-house testing, rider feedback, and other research. Each application can be influenced by external factors resulting in necessary tuning. Examples of these factors are: riding style, local fuel, custom engine work, etc.Rideability is improved with a lighter stock spring for reduced forearm fatigue. The Slavens Mule H-Series Lectron Power-Jet Carburetor is your best performance option for `17+ KTM/Husqvarna 2 stroke models. Shop Slavens Racing for all of our Lectron Carburetor offerings! Only available at Slavens Racing. Only for `17-19 (and `20-21 125cc) models. 21333183.fs1.hubspotusercontent-na1.net

Performance - Consistency - Simplicity The BILLETRON 38 gives riders a jump up in performance capability while continuing in the simplicty and techology of Lectron heritage. Gain performance, lose the jets. The BILLETRON 38 builds on the existing two fuel circuit system of the legacy Lectron products. Continuing with Lectron XCELERATOR Metering Rod Technology and the Adjustable Power Jet fuel ... Sep 8, 2011 ... :thumbsup: There is no comparing a Lectron Flatslide to any of the XS650 Alternatives for tuning/power/maintenance. :bike:.As low as $587.50. SKU. 1412. KTM 250-300 Kit Options. Tool Kit Options (Includes the metering rod adjustment tool and Allen wrenches for the top cover and float bowl). Bling Options. Please include riding style or class, engine mods, and fuel type. Qty.As posted elsewhere common Lectron rods have been: 3-1m (ms-3, custom rod by Motosportz) 3-1xl 3-2m (custom rod by Motosportz) 3-2xl And there are plenty more rods, but only those 2 are "m". Also, basic Lectron tuning is adjust rod and idle screw so bike starts and idles well. If idle screw is other than @ 1-2 turns out need to adjust or ...In this video I'll be installing a 30mm High Velocity Lectron carburetor and a larger intake to accommodate it, as well as a new air filter. The entire proce...As low as $34.00. Add to Cart. Bowl Bracket Kits. As low as $15.00. Add to Cart. Billet Float Bowl Kit. As low as $95.00. Add to Cart. Custom Intake Boots.YFZ 450 ATV Kit. This YFZ 450 kit includes the carb, cable, intake manifold, and the metering rod adjustment tool. Carburetors are about 90mm overall. The intake manifold we supply may not work with aftermarket spigots. Aftermarket airboxes may require modification for fit, but it will be a direct replacement using OEM equipment.In this video I will be reviewing and installing FOUR of the new Lectron BILLETRON 38 carburetors on my CR250, KX250, RM250, and YZ250 for the Throwback Two ...RM 125 Kit. Please include year, make, model, fuel type, engine mods, and class if you race. IF YOUR DIRT BIKE HAS A THROTTLE POSITION SENSOR simply follow the plug up to the harness and disconnect it. It is not required for use with a Lectron. It is recommended that you wrap the plug in electrical tape to prevent dirt from entering it.Check out the Lectron Billetron 38 carb install on a YZ 250. Get your Lectron Billetron 38 carburetor today: https://bit.ly/3r0WA3cFollow us:Facebook: https:...Dec 6, 2023 · Lectron Billetron Adjustable Carburetor with Xcelerator Metering Rod $614.21 – $632.85 MSRP: $649.00 – $669.00 You save 5%. Product Details & Videos. Reviews. Questions & Answers. Additional Videos. Lectron Billetron Pro-Series Adjustable Motorcycle Carburetor. Lectron Billetron Pro-Series Tuning & Setup. RM YouTube Channel SUBSCRIBE. Conclusion. Optimizing the performance of VMs and containers in Proxmox is essential for achieving efficient resource utilization, enhancing responsiveness, and meeting the demands of applications and services. Implement the outlined techniques, monitor performance metrics, and follow best practices for continuous improvement and optimal ...

Basic Starting Settings For Standard Fuels. The starting settings below are measured in turns out from lightly seated. Idle Speed Screw Idle Fuel Screw Power Jet Screw. 2 1/4 1 1/8 1.

In this video I will be reviewing and installing FOUR of the new Lectron BILLETRON 38 carburetors on my CR250, KX250, RM250, and YZ250 for the Throwback Two ...Dec 24, 2018 · I've been struggling to get my 38hv lectron carb to run right on my yz250x. I bought it used and put a 4-2m metering rod in it which was recommended. I have spent alot of time tuning the carb to get rid of a bad midrange bog. Right now it runs great in the low end. Crisp and responsive off the bottom with consistent idle. It also runs good up top. Dec 6, 2023 · Lectron Adjustable Power Jet Carburetor Kit. 172883. ☆☆☆☆☆. Our Price: $568.96 – $1215.24. View Product Details. Select type, year, make and model above. People who have viewed this item have also viewed See all Fuel and Air Intake Systems. Moose Racing Intake Manifold $127.95. May 11, 2020 ... ... Tuning Basics 11 ... Lectron Fuel Systems Get your Gen II 4 ... Lectron Carb Install and Tuning For a 2 Stroke: Adjusting Metering Rod, and Idle.The Billetron 38 comes in two options: Standard and long body. Each has base tunes for the 125-200cc range as well as the 250-300cc range. The standard length is 78mm and costs $599 - part number 1138-SMS. The long body has a bell adapter for a 90mm overall length and costs $619 - part number 1138-SML. The long body option is mainly for pre ...The digital and analogue channels of a Samsung TV can be tuned by using the auto store function. The tuning can be performed by simply using a remote control. To tune the Samsung T...I've been struggling to get my 38hv lectron carb to run right on my yz250x. I bought it used and put a 4-2m metering rod in it which was recommended. I have spent alot of time tuning the carb to get rid of a bad midrange bog. Right now it runs great in the low end. Crisp and responsive off the bottom with consistent idle. It also runs good up top.BILLETRON™ Pro-Series carburetor kit by Lectron Fuel System for Honda XR 600 motorcycles. The PRO XR 600 kit features our patent-pending Xcelerator metering rod that generates immediate throttle response and improved acceleration with a quick burst of fuel in rapid throttle openings. The Xcelerator rod also effortlessly adapts to elevation ...The BILLETRON™ Big-Air was designed exclusively for big bore and high performance engines that need the ultimate in air flow and maximum HP. The BILLETRON™ Big-Air is applicable to 300cc-500cc single cylinder two-stroke motors. The BILLETRON™ Big-Air is a performance upgrade that replaces the vast majority of OEM carburetors in 300cc ...

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Dec 19, 2017 ... The ease of tuning was a plus, and the tuning changes were more visible and felt than fooling with the stock accelerator pump Keihin which I ...In today’s fast-paced and hectic world, finding moments of peace and inspiration can be challenging. However, there is a powerful tool that can help you find solace and motivation ...Lectron Billetron Adjustable Carburetor with Xcelerator Metering Rod $614.21 – $632.85 MSRP: $649.00 – $669.00 You save 5%. Product Details & Videos. Reviews. Questions & Answers. Additional Videos. Lectron Billetron Pro-Series Adjustable Motorcycle Carburetor. Lectron Billetron Pro-Series Tuning & Setup. RM YouTube Channel SUBSCRIBE.LECTRON CARBS. $799.99. Learn More about Lectron Harley Carburetors. Did you know Lectron built the first flat slide carburetor? They have been developing carburetors for over 40 years now and have a rich history in the Harley world, including being and OEM option in the late '70s! Known for making huge power and being easy to tune, Lectron has ...Lectron Billetron Adjustable Carburetor with Xcelerator Metering Rod $614.21 – $632.85 MSRP: $649.00 – $669.00 You save 5%. Product Details & Videos. Reviews. Questions & Answers. Additional Videos. Lectron Billetron Pro-Series Adjustable Motorcycle Carburetor. Lectron Billetron Pro-Series Tuning & Setup. RM YouTube …The kit from Lectron® came with the carb, an intake adapter, Domino throttle and aluminum throttle tube, throttle cams, and a new throttle cable designed to work with the Domino throttle and Lectron® carb. The Lectron® is a little shorter than the OEM Suzuki® carb, so getting the air boot on and stretched enough was a challenge.https://slavensracing.com/product-category/intake/carburetors/The BILLETRON™ 38 differentiates itself in the re-designed air flow and fuel dynamics that are specifically engineered to maximize air flow and velocity in 125cc-300cc two strokes. This results in a significant increase in torque and performance with improved bottom end throttle response. If you're looking for performance and simplicity, the ... ….

It went pretty well. The only issue was that the idle was set quite high from the factory so it wouldn’t start with the 1/4 turn of throttle as instructed. I’ve adjusted it down and it seems to be fine. First ride tomorrow. My brother has a 650R as well, with a nice-running stock carb. Welcome To F1moto Distributors of Lectron Carburettors. We Sell The World's Best 'Jetless' Carburettor! Lectron leads the world in 'Flat Slide' and 'Flat Metering Rod' innovations. Lectron carburettors push the boundaries of the carburettor 'Technology' improving torque, horsepower, and fuel economy by 'Self Atmospheric Adjusting' and 'Self Tuning' with no main jets, no pilot jets, no jet ...Thanks to its viral YouTube video, 'Baby Shark' is making waves on the music charts. HowStuffWorks looks at other kiddie songs chart-toppers. Advertisement "Baby Shark," the super-...PRO-SERIES Four Stroke Tuning Guide; Tech Videos; Tuning Material Guides; Dealer Map; Request A Quote; Account . Home ; Shop By Manufacturer ; KTM/Husqvarna ; Two Stroke ; 250 XC/XC-W/EXC; ... Lectron is celebrating 45 years of helping riders get the most from their vehicles with our high performance carburetors and EFI. Thanks for your …OUR NEW WEBSITE IS COMING SOON! Contact us using the form provided and someone will get back to you as soon as possible! We complete all major and minor …In today’s fast-paced and hectic world, finding moments of peace and inspiration can be challenging. However, there is a powerful tool that can help you find solace and motivation ...Reviews 3. This kit includes a Lectron H-Series carburetor and throttle cable. The adjustment tool kit is recommend, but not required. *Now with the Addition of our Patent Pending XCELERATOR metering rod that gives a significant boost in low RPM torque (up to 20%) and rideability over our previous metering rod. Lectron CR 125 carburetor kit.As low as $34.00. Add to Cart. Bowl Bracket Kits. As low as $15.00. Add to Cart. Billet Float Bowl Kit. As low as $95.00. Add to Cart. Custom Intake Boots. The design of the Lectron is focused on two primary principles: 1. “AMPLIFY” the fuel pick-up signal. 2. “UTILIZE” the amplified fuel pick-up signal to create a more efficient burnable mixture. The bore of the Lectron carb is not straight but incorporates a taper to increase the air velocity. Lectron tuning, Introducing the BILLETRON™ PRO-SERIES 38: A groundbreaking carburetor that redefines two-stroke performance for 125cc-299cc motors. With innovative design and precise engineering, experience unprecedented torque, horsepower, and rideability gains. The PRO SERIES boasts tailored air flow, velocity dynamics, our XCELERATOR Metering Rod, and three adjustable fuel circuits for optimal ... , https://slavensracing.com/product-category/intake/carburetors/, Shop Buy Lectron Electron Fuel Injection Throttle Body Velocity Power Jet 2T 2 Stroke 4T 4 Stroke Gen2 Self Tuning Carburetors at Lectron UK MX MOTO Parts Store. UK owned, huge range of dirt bike, road bike, motorcycle parts & accessories at best price offering excellent service, Details. Reviews 1. This kit includes a Lectron H-Series carburetor and throttle cable. The adjustment tool kit is recommend, but not required. *Now with the Addition of our Patent Pending XCELERATOR metering rod that gives a significant boost in low RPM torque (up to 20%) and rideability over our previous metering rod. Write Your Own Review., Vintage Husqvarna. $514.00. Add to Cart. '90-'16 KTM/HUSQ 250-380cc. $549.00. Rating: 2 Reviews. Add to Cart. Moto Tassinari VForce V4R26 Reeds for KTM/HUSQ., The Billetron Pro-Series carburetor is available now in 38mm and Big-Air bores. Follow along with our lead engineer, Matt Denecke, as he discusses basic tuni..., Feb 21, 2013 · yfz450 lectron carb tuning. Jump to Latest Follow. 3K views 3 replies 3 participants last post by Sandman911 Mar 17, 2013. jcrinella Discussion starter. 47 posts · Joined 2012. #1 · Feb 21, 2013. just bought a 44mm lectron carb for a steal brand new, just wondering what are the pros and cons about these carbs? how easy are they to tune? Like. , Jul 21, 2019 · Lectron Self Adjusting Carb Vs. OEM Keihin PWK 38mm Carb. I measured and compared everything I could think of on both carburetors to get some idea of why the Lectron creates more power with a smoother delivery. I’ll spare you the wall of numbers, but what it boils down to is better fuel atomization, and I’ll get to that in a later video. , Jul 17, 2022 ... Dirt Bike Carb Jetting/Tuning/Cleaning. MotocrossHideout · Playlist · 3:24. Go to channel · Lectron Billetron Pro initial rod adjustment / ..., PRO-SERIES Four Stroke Tuning Guide; Tech Videos; Tuning Material Guides; Dealer Map; Request A Quote; Account . Home ; Shop By Manufacturer ; Suzuki ; Two Stroke ; RM 125; RM 125. View as Grid List. ... Lectron is celebrating 45 years of helping riders get the most from their vehicles with our high performance carburetors and EFI. Thanks for ..., In this digital age, music has become an integral part of our lives. With the rise of smartphones, music player apps have made it easier than ever to enjoy our favorite tunes on th..., YFZ 450 ATV Kit. This YFZ 450 kit includes the carb, cable, intake manifold, and the metering rod adjustment tool. Carburetors are about 90mm overall. The intake manifold we supply may not work with aftermarket spigots. Aftermarket airboxes may require modification for fit, but it will be a direct replacement using OEM equipment., Lectron doesn't work on smaller bores, the smaller bore bikes will require the detail of the fine-tuned circuits within the carb (Mikuni is worth it), the Lectron does not allow for this fine tuning. Lectron gives a metering rod, power jet and an idle., Lectron is celebrating 45 years of helping riders get the most from their vehicles with our high performance carburetors and EFI. Thanks for your support! General, 281K views 9 years ago. Learn how to install and tune a Lectron carburetor on a 2 stroke engine. Website: https://lectronfuelsystems.com/ ...more., The concept behind the original Lectron was revolutionary in 1974. Using the metering rod as its only fuel circuit, the metering rod creates a low-pressure fuel signal that is operated from the engines vacuum. Think of this as a rock in the middle of a river and as water flows around the rock, it creates a whirlpool on the other side. , Introducing the BILLETRON™ PRO-SERIES 38: A groundbreaking carburetor that redefines two-stroke performance for 125cc-299cc motors. With innovative design and precise engineering, experience unprecedented torque, horsepower, and rideability gains. The PRO SERIES boasts tailored air flow, velocity dynamics, our XCELERATOR Metering Rod, and three adjustable fuel circuits for optimal ... , For comprehensive and detailed instructions on tuning your PRO-SERIES carburetor, please refer to the Tuning Manual included in your package. This dedicated manual provides step-by-step guidance, safety precautions, and tips for achieving optimal performance. Unlock the full potential of your carburetor and enjoy a customized riding …, In today’s digital age, music is more accessible than ever before. With thousands of songs available at our fingertips, it’s no wonder that many of us want to convert our favorite ..., BILLETRON™ Pro-Series carburetor kit by Lectron Fuel System for Honda XR 600 motorcycles. The PRO XR 600 kit features our patent-pending Xcelerator metering rod that generates immediate throttle response and improved acceleration with a quick burst of fuel in rapid throttle openings. The Xcelerator rod also effortlessly adapts to elevation ..., Reviews 13. This kit includes a Lectron H-Series carburetor and throttle cable. The adjustment tool kit is recommend, but not required. *Now with the Addition of our Patent Pending XCELERATOR metering rod that gives a significant boost in low RPM torque (up to 20%) and rideability over our previous metering rod. Lectron CR 250 carburetor kit., Description Slavens Mule Billetron Pro 38mm 2-Stroke Carburetors by Lectron. 30-Day Satisfaction Guarantee – see Returns tab above for details!. Lectron Fuel Systems took years of rider feedback on their wildly popular 38mm H-Series Carburetors to develop the original Billetron 38mm 2-Stroke Carburetor. , The kit from Lectron® came with the carb, an intake adapter, Domino throttle and aluminum throttle tube, throttle cams, and a new throttle cable designed to work with the Domino throttle and Lectron® carb. The Lectron® is a little shorter than the OEM Suzuki® carb, so getting the air boot on and stretched enough was a challenge., Reviews 3. This kit includes a Lectron H-Series carburetor and throttle cable. The adjustment tool kit is recommend, but not required. *Now with the Addition of our Patent Pending XCELERATOR metering rod that gives a significant boost in low RPM torque (up to 20%) and rideability over our previous metering rod. Lectron CR 125 carburetor kit., 490: 40mm 45mm Specify. Note: All Maico carbs will come with a manifold. The spigot size will fit into the manifold that comes with the carb. Manifold Dimensions: 47mm opening to head. 34.3mm overall length. 45mm opening for carburetor. The Lectron Power Jet Carb is our go-to carb for applications like harescrambles and motocross., Wilkinson Terrace is a neighborhood of homes in North Chesterfield Virginia offering an assortment of beautiful styles, varying sizes and affordable prices to choose from. …, PRO-SERIES Four Stroke Tuning Guide; Tech Videos; Tuning Material Guides; Dealer Map; Request A Quote; Account . Home ; Shop By Manufacturer ; KTM/Husqvarna; KTM/Husqvarna. CATEGORY. 2-STROKES. 4-STROKES. ... Lectron is celebrating 45 years of helping riders get the most from their vehicles with our high performance …, Cole reached out and asked if we could help him. We were able to get him setup with one of our 38 H-Series carburetors (now superseded by the Billetron 38). This tune was set very close to stock, but with a slightly richer metering rod to take into account his level of riding and the unknown engine mods. Cole installed the product himself (in ... , Mar 23, 2009 ... the learning curve was steep to tune a Lectron/EI as there was a bunch of different needle profiles and only a few main jets. more grief ..., 21333183.fs1.hubspotusercontent-na1.net , Lectron Carburetor. Lectron Fuel Systems manufactures industry-leading carbureted fuel systems built on the principles of performance and simplicity, so you can spend more time riding and less time tuning. With 48+ years in business, Lectron has continued to dominate the industry in innovation and design, continually manufacturing carburetors ..., The FCR is a carb built to be fast and reliable, for all kinds of bike, but you have to re-jet. This has been made fairly easy on the FCR, so with some practice it should be an easy job. The DRZ E came with this carb, so the engine does well with it. And as said above, the knowledge on the FCR on this forum is immense., Lectron Carb Four-Stroke Tuning Guide. Gen II Four Stroke Guides. Basic Starting Settings For Standard Fuels. Metering Rod: Carbs come pretuned from the factory. DO NOT ADJUST THE ROD. If you feel like you need to adjust the rod, CALL LECTRON FIRST. Carb Size Idle Screw (Turns from Seated) Mixture Screw Tuning Range (Turns from Seated)