Mikuni carb on briggs flathead

Mikuni carb on briggs flathead. Generally, a 360 or 380 tillotson works real well on the modified open flatheads. Carburetor Cover. Briggs 5HP Raptor Flathead Model 13 Piston Assembly +. Aug 2 Mikuni American Corporation is a leading manufacturer of high quality customized fuel system and engine components for motorcycles, UTVs, ATVs, snowmobiles, personal watercraft and outboard engines. KRS-002 50mm Mikuni Velocity Stacks, Part No. You may also have something plugged up in the carb (small idle circuit, pick-up tube, etc. Not to say your 5 hp Briggs can't be made to be a screamer, but there may be limitations one may have to accept based on engine type. The red one has a PZ26 with EC Carburetors 407int intake. If it idles fine, then falls on it's face when you step on the throttle, then it's likely too lean. We have changed the needle and seat for a fuel pump system. Just my thoughts. The two are separated by 10 inches of rubber manifold bent at 135°. Mikuni Carburetor Kit includes 34mm carburetor. 5hp. Small Engine Builders' Dyno Challenge; Wildcat Engines; Tillotson Engines; Harbor Freight Aug 24, 2008 · Re: mikuni carb question. Bigcat4570 New Member. It's a flathead with a different carb on it. *. JIS Screw Drivers always fit Phillip fasteners, but Phillips drivers may not fit JIS fasteners due to the slight design difference. Compare. For sure Mark has'em. Already jetted right for these engines, and less than 20 bucks on Ebay. 81 sold. A site dedicated to providing spare parts in the restoration of Harley Davidson flathead 45 motorcycles. $2585. DempsG New Member. I also purchased a used Baja Doodle Bug (Old Frame) that runs fine. Thread starter DempsG; Start date Jan 22, 2024; Parts from Hent on eBay. Thread starter relicracing; Start date Feb 24, 2022; Parts from Hent on eBay. Other option is to make your own. if the 26 is too restrictive i have a 34 to try out. £7. Piston Rings + . Low Side Needle Initial Setting: 2-1/2 turns out. Description: CARBURETOR. This carb (found on Amazon) fits two-stroke off-road racing and Motocross uses. 75. Hello again. 38. looking into hopping it up a little, nothing crazy, but wana make it as solid as possible. Jan 5, 2023 · Briggs & Stratton 8HP Generator How To Replace Carburetor When Leaking Running Bad Or Won't Start Apr 24, 2010 · One thing that wasn't touched on was the Briggs aluminum flywheels, like what comes on the vertical shaft engines. $15. 6615 ARC Billet Flywheel, Briggs 5hp Model 13 Flathead PVL Ignition. com. Feb 23, 2016 · So, what are the best/most reliable carb options to run on a stock Briggs 5hp with a remote gas tank?? Thanks Get the best gas carb for GX200S and 6. Use genuine Mikuni jets and parts for best results. 0hp. And No, I highly doubt there is a 5 hp Briggs&Stratton engine running a 40 mm carb. Gas Vacuum Fuel Pump for Mikuni Briggs & Stratton 491922 691034 808492 808656. So, I thought I would put the Briggs Jan 12, 2016 · Jan 12, 2016. Kit includes Adapter, Air Filter, Hose, Clamps, and 24mm Mikuni carb Jul 29, 2012 · Tillotson 348B alky carb Great OPEN carb for a flathead or big clone\honda Has anyone put a Mikuni Carb on a Briggs flathead? Looking for some pointers. Yo! Jul 12, 2023 · Finally, as previously mentioned, bikes using this type of carb have mechanical spark advances. 6010-S400 33cc Head ARC Billet Cylinder Heads for the Briggs 5hp Flathead (model 13) is made from 6061 T-6 Aluminum. Billet Rod ARC Enduro Series CNC Machined from aircraft grade 7075 T-651 aluminum. EC carries the required throttle linkage brackets and accessories to connect your Briggs or Honda Flathead stock, Super Stock Limited Modified or Open Modified Carburetor to your racing go-kart or 6010 ARC Billet Cylinder Head, Briggs 5HP Flathead 33cc 6010-S400 33cc HeadARC Billet Cylinder Heads for the Briggs 5hp Flathead(model 13) is made from 6061 T-6 Aluminum. Every Day new 3D Models from all over the World. These intakes fit the older 99cc Flathead, and the 152F-3q 79cc engine that replaced it. 5 to 5. 682" X . This bearing is also used on many stroker rods for other engines such as the Animal and GX200. This website is intended for Dealer and Consumer information use only. Jul 12, 2023 · Jul 12, 2023. : 0331203. SKU Topshelf124 Categories Carburetors, Flathead. 030" Over (2. recently acquired an 8hp briggs flathead (1" shaft), model# 190432. Jun 10, 2016. OEM Briggs & Stratton 796227 Feb 1, 2012 · Briggs and Stratton 5hp pulse carb & governor deleted Carburator from a Chinese quad A little speed test on Big Hoss. Manifold Adapter for Mikuni Carb. 6 out of 5 stars Click to find the best Results for mikuni carb Models for your 3D Printer. 761 "mikuni carb" 3D Models. 490 Apr 18, 2014 · Hey all. It wouldn't work with my genuine VM22 Mikuni. $10. The 26mm mikuni has a larger throttle passage but should give good throttle response. #1. Its funny the 26 Mikuni is used on a 90cc scooter and you would think it was too small for a 400+ cc 4 stroke. SKU JIS-PH2X100. ----- Apr 29, 2023 · In today's video, we revisit Big Hoss and bring redemption to the table! We swap in a 5hp flathead I/C Briggs. This would be the cheapest and easiest. Spigot Mount ID: 34mm. Air Pre-Filter Twin Carb. Click to find the best Results for mikuni Models for your 3D Printer. 79. This is the standard . Add To Cart. Set of 4 Velocity Stacks fits all Mikuni RS Series Carburetors and other carburetors with 55mm O. Each connecting rod listings shows the bearings and bolts that are used with that rod. Flange Mikuni HSR 42mm. This carburetor kit is designed for use with 1″ handlebars. . 77. 30mm Mikuni Velocity Stacks, Part No. Hello, I'm new here. Free shipping. Feb 14, 2024 · Considering a 5hp briggs flatty is in the range of 196-210cc a 24mm carb is going to be a bit big. $7. 00 out of 5 based on 3 customer ratings. With this engine, this manifold, and this carb, only a super lean needle and lean-ish main jet lets me reach WOT in the first place. $8. 86mm) Carburetor Settings: Hi Side Needle Initial setting: 1 turn out. Add to Cart Compare. Controlled Stock class) of Raptor racing used a regular Pulsa-Jet carb that was bored out to allow maximum intake of air/fuel mix. 85"ID 1"OD 2X 45 deg bends in it) It runs like a dream. $ 65. All the gaskets need replacing also. Aug 2, 2022 · Briggs 8hp flathead carb compatibility. In stock. 900" (22. 8HP engine isn't fast enough for me. To my knowledge, the Briggs engine has no spark advance. This Intake Is Designed For Flat Engine Plate Applications. This Intake Allows You To mount 19MM to 22mm Mikuni Carbs to Briggs Flathead Engines 3. (2) $41. I've got a few Mikunis sitting on the shelf, one is brand new in the box, and I'd be willing to trade the whole mess for a junk Linkert if that tells you anything. ) Description. I am sure there are a couple of threads on flathead builds on this forum already. Bore: 1. Getting a manifold to fit a Mikuni to a flathead should not be a problem -- I would think most larger kart shops and engine builders would have them in stock. The Mikuni American Aftermarket Carburetor Division is an importer from our parent company. May 28, 2016 · I put an NOS one of camshaft PTO engines on my push mower. Click to find the best Results for mikuni carb Models for your 3D Printer. Wide range of tuning components available. The Briggs stock carb on the 18 Hp is about 26 mm on the manifold with a rather restrictive venturi. KRS-003 70mm Mikuni Velocity Stacks, Part No. Compare Selected. How are you guys hooking up your throttles? Pictures 135 "mikuni" printable 3D Models. 5 Aluminum rather than the plastic versions I trust in Mikuni products. Happy New year to everyone in the forums helping out us MiniBike enthusiast, For my first engine build I have decided to go with a Briggs 5hp Flathead from an industrial fan. Our carb kits are tuned for Briggs and Stratton large and small block engines. Posted by Matt on 3rd Mar 2022 Works greatjust what was needed to complete the build. . $2550. Honda GX160 GX200 Carburetor Carb Clone 5 5HP Clone 6 5HP Engine Fun Kart Carb | eBay. D. KRS-004 15mm Mikuni Jun 28, 2010 · Its this a good carb for a briggs 5hp? 22MM CARBURETOR HONDA CRF50 XR50 CRF XR CARB ATV CA05: eBay Motors (item 330280225325 end time Jul-11-10 20:16:42 PDT) I have no problem fabricating an intake, just didn't know if this is the mikuni clone the people are using. Fits Models: Briggs & Stratton: 161432, 161436, 161437, 161452, 161457 and others. EC LK-128 Tillotson 3-Phase Arm Linkage. Specs: Our Dominators Built Tillotson Carburetors for the Briggs Flathead Raptor engines are more than a blueprinted carb. The kit also comes with our 407INT intake manifold that will bolt to late model 5hp (wide-bolt May 18, 2019 · The needle is used to tune a flathead on gas moreso than you would with alcohol. These carbs are well known, easy to tune with diff e-tubes, main jets, idle jets, filter adapters, air filters, all available and cheap, what's not to like? Do you know if they sell the manifold to mate this carb to the Briggs 5 Apr 1, 2009 · Tags briggs carb flathead intake mikuni; Parts from Hent on eBay. Air Filter Rain Cover Single Carb. I had to slightly enlarge the bolt holes in the PZ26 to fit over the intake studs but that was easy. by FlatHeadSix » Sun Aug 24, 2008 5:03 am. for mikuni briggs fuel pump Gorgeri Universal Fuel Gas Pump for Mikuni Briggs & Stratton Fill-Rite Fuel Transfer Pump Heavy Duty Electric Fuel Pump 808492 808656 491922 691034 692313 $4. 012" $32. I just shipped a stock appearing PZ22 yesterday. Harley 45 Flathead Solo and Servi-car Mikuni Carburetor Kit. May 13, 2020. Anyone that has experience loosening or tightening the Mikuni 6215 ARC Billet Rod 4. Although all are great, I still have unanswered questions. ARC Flathead Stock Length Billet Rod Carburetor spacer for Briggs and Stratton Sno Gar Download: for sale Website: Cults. £16. I found this one in the below pic. 125ccCrazy Well-Known Member. it's a Squire Applegate 20" and uses the cam PTO for self drive. 11132P2 Wiseco Piston Unchromed 2. 97. The 360 is around 27mm venturi and 380 is around 28mm venturi, that should give you a pretty good starting point of what to look for. com Official Mikuni Aftermarket and OEM Carburetor Rebuild Kits and Replacment Parts. Nov 2, 2018 · Jimmy's WKA stocker build posted on here is a great starting point to jumping into building your own flathead. 5 Mikuni market Mar 4, 2021 · I can either install a similarly sized carb (19mm) or adapt the intake to a 27-30mm carb. Briggs 5hp Flathead Intake Flange . The engine I put on is from 1985 and is a Briggs and Stratton Maxx 3. The pictured engine, has a welded on fully cnc ported “tunnel port” and matched billet manifold, billet cylinder head with relocated pattern, custom cut titanium small stem valves with custom lightweight aluminum retainers, mikuni tm33 carb with bypass valve, and one of my camshafts. Briggs Flathead Parts. The Mikuni carb kits are easy to install and you will be impressed when you touch the throttle. Removed the governor for testing purpose, that produced the same 34 MPH on GPS. That upgrade produced 30 MPH on GPS. com Carlson Motorsports on 29 years of service to the karting industry Linden, IN 765-339-4407 bcarlson@CarlsonMotorsports. 048" O. 92mm) Venturi: . Apr 1, 2009 #1 Nov 24, 2019 · Depending on your valve size and carb selection though, you will be able to use a 28 carb at some down the road. ARC Billet Pro Series Connecting Rod Briggs 5 HP Flathead Stock Replacement ARC's Pro Series rods feature our signature forced oil dipper for extra oiling to the crank pin. Location. Fits WL 1937-1952,,G 1937-1963,,UL 1936-1948. 375 X 1 X . 99. LV195ea is the intake Tecumseh model code search that in google to find good used options Jun 27, 2016 · Bowling Green, KY. Made for Briggs by Federal Mogul this piston is unchromed and can only be used in sleeved bore engine. 5HP 7HP Tiller Engine Carb Rototiller Troy Generator Intek Motor Water Pump Carb 4. May 19, 2019 · Aside from that, I'd run with the stock carb for a minute just to see what it does--if it runs out of chooch or falls flat on its face. 140"These rings are for a wiseco or JE piston that is . These heads were designed for maximum heat retention, which is a desirable trait for Junior Dragsters. 140" over the standard bore of a Briggs flathead engine. Jan 22, 2024 #1. Feb 24, 2022 · Mikuni VM22 Set up for Briggs Flathead. Add to Cart. Use a tecumseh intake manifold from an H35. I sucessfully put a honda gx200 carb on my briggs 5 hp flathead that I hopped up. Jul 16, 2015 · I just took off the carb/tank thingy and bolted the engine on. It features the radial flat side throttle design for the 555050 B&S PTO Crankshaft Bearing, 5HP Flathead Model 13 Factory Stock PTO Crank Bearings for Briggs 5hp Raptor Flathead Engine Model 13. But, you got there a lot faster. I'm no expert but some classes (e. show TOP 100 curated Lists. Nov 23, 2019 · Using the engine model number and looking at carburetor section you will see its Part #50 (Which is also listed in the ebay listing above) and if you click on that you will see that the description/model fit list shows they used it on a 90000 series (3. by Aftermarket. #2. CarlsonMotorsports. com the official website for the Aftermarket Carburetor Division of Mikuni American. ( 3 customer reviews) Only 1 left in stock. Order Predator 212/224 flat side carb from OMB Warehouse. These carburetors are designed to be the best of what is capable in a Tillotson carburetor for specific carb classes and engines. Another aftermarket carb thread Jan 22, 2024 · Briggs 6HP Flathead Carb. But that's not to say I have it all dialed in 696065 697422 Carburetor with Mounting Gaskets Kit Fits for Briggs & Stratton 110402 110412 215369 5HP 5. Gaskets Included With Carburetor! Rated 5. You could see the O ring on the back of the carb. D. Carburetor Tools/Tuning Components; Mikuni/Burris BN-34; Walbro; Engines. Member. 5 HP engines. For use with the Briggs and Stratton digital PVL ignition system. Standard 1" Flathead 5Hp Rod Bearings. Finnless Flywheel designed for the Junior Dragster Engines. Aug 31, 2017 · Welding up an adapter tube to mount a Predator Carb to a Briggs Flat Head motor! Dec 11, 2012 · Dec 11, 2012. Flange Mikuni 34mm (23 hp, or twin carb kit) $2850. Mar 19, 2020 · Look up "mikuni vm22" or "mikuni 22mm" on Ebay. Jan 18, 2022 · Here are 2 examples of how to add a "Mikuni" carb to your flathead. JIS-Spec cross-point screws are generally marked with a single Dimple. The carburetor has been dyno-tuned and tested to deliver optimal air-fuel ratios while giving ideal idle quality. CNC Machined from domestic 7075 T-651 aircraft grade aluminum and have been rigorously tested to field tested for all stock and Super Stock classes. 060" (26. 6392 Rod Bearings Briggs Model 13 5HP Carb Rebuild, Diaphragm & Overhaul Kits; Carburetor Intake, Manfold and Adaptors; Throttle Linkage & Cables; Air Filter, Air Cleaners & Prefilters; Velocity Stack & Filter Adaptors. #8. Add to basket. The are a bunch of listings for genuine Mikunis for about $20, and 22mm is almost exactly the port size of a Briggs. The brass overflow tube in the bowl is cracked and leaks despite a repair with JB weld. Please compare your old carburetor against the one in the pictures we provided you with for your convenience. But I recently obtained a 5HP Briggs and Stratton that I'm pretty sure runs (My dad said he started it before but I couldn't get it to start). Briggs flathead 5h I/C with Tecumseh intake, Mikuni carburetor and 40 series torque converter. add to list Tags Intake sleeve Simson S51 40 to 40mm Mikuni Intake Feb 2, 2015 · The Briggs stock carb on the 18 Hp is about 26 mm on the manifold with a rather restrictive venturi. Air Pre-Filter for 23hp, or 35+hp Horizontal Mikuni Carb Kits. I have never neede to replace one of those carbs. Would they make the engine accelerate quicker? require faster idle speed? Are you still making these? Because I really need one for a 24mm mikuni for a flathead. If you pull the carb and the tank is a rust bucket you are pretty much screwed. Apr 1, 2009 #1. 00. Most popular high performance carburetor in powersports. Dec 11, 2020 · The only oem Briggs stuff would be the bearing and seals. To be used with the 1982P140 or 11132P4 Piston used in Briggs Animal Strokers Quality rings for your custom projects. (17) 17 product ratings - BRIGGS & STRATTON CARBURETOR RE-BUILD KIT REPLACES 394989 243431 243432 243434 . X 1" I. 95 Aug 18, 2020 · - This is a brand new and high quality fuel pump for Mikuni Briggs & Stratton 808492 808656 491922 691034 692313. We have modified the carb to a base starting point for the builder. intake bells. $3800. $48. Carburetor Size. $14. $ 378. Posted by Robert Mitchell on 14th May 2020 Durable and Reliable. Parts from Hent on eBay. so im thinking carb swap using the existing manifold, and modifying it by cutting off the angle drop and rubber mounting a carb to it. 592") w/ Rings and Circlips. 00 € *. ----- Thanks and God bless, Brian Carlson Carlson Racing Engines Vector Cutz www. It has an adjustable hub that allows timing changes at 1 degree increments in as little as 90 seconds without the Product Description. Welcome to Mikuni Power - Official Home of Mikuni Carburetor Sep 16, 2009 · That carb is wayy too large and will be a bear to ever get it to run right. #3. Start @ 1 1/2 turns and adjust from there. 5 and 13000 series 5hp) they all had matching port/bolt pattern on the block. Replaces (OEM): Briggs and Stratton: 491912. 97 FREE delivery Sat, May 4 on $35 of items shipped by Amazon Jul 12, 2023 · And for the record, I got here because I wanted to follow mikuni directions and tune the carb properly: by first running laps at WOT to then read the plug color. Feb 24, 2022 #1. Replaces Briggs And Stratton Vanguard 9hp Engine Carburetor. I'd say 20mm carb is going to be your best bet, MAYBE 22 at the most (when in doubt, just match the intake port diameter) Using a "motorcycle" type carb means opening it up to remove all the governor hardware and plugging the case The PZ22 is a 22mm slide carburetor that works great as a stock replacement carburetor or for many mildly built flatheads running on gas. EC 440INT Intake Manifold Red Spec HL-357 to Briggs Raptor. I've got a 22mm Keihin carb on my 5hp Briggs flathead. 5HP 6HP 6. Mikuni fuel pump. Attaches to stock WL 3 Oct 29, 2013 · May 6, 2014. Main Jet: 4/042-260. 490 Flathead Briggs. Doc. 79 $ 45. Engine I took off was from 1972, the year of the mower. These engines ought to have higher flow heads and cams for the Mikuni carb to be compatible. throttle spiral, left turn (PULL) Product no. If the slide carbs are what you prefer, look for a 28mm Mikuni, or the World Formula 26mm slide carb. Apr 2, 2014 · here's one < $20 shipped. 95. + –. But, I'm a big kid and the 2. Texas. B. I made a custom intake, welded my own stainless exhaust (about . Sold each. Choose length depending on chassis clearance and desired tuning characteristics. If you are talking about the 5hp flathead 13xxxx series engines the carbs themselves are dead simple. Most of the stock throttle was missing from this motor, so I was hoping to hook directly to the carb to get it running better. EC LK-BS Briggs Flathead Box Stock Linkage Kit. The carb outlets on Briggs come from the factory smaller than the intake port, restricting it. Thread starter Bigcat4570; Start date Aug 2, 2022; Parts from Hent on eBay. This kit comes with a brand new Mikuni flat slide carb, Mikuni rubber mounting boot, the billet CNC machined adapter. Made In The USA By Team Studz. Mikuni, and Mikuni knock offs Welcome to MikuniPower. $4. 28 postage. As far as intakes, the few on the web are about $50, so I feel ya there, I'm looking to Mikuni my Briggs too. 97 $ 4 . 6615 Drag PVL. We only sell to Authorized Manufacturers and 2702XM Wiseco Rings . Made in Japan. Jan 13, 2022 · Jan 13, 2022 / Carb for a 5hp Briggs? #6. 998" crankpin X . It should bolt right to the 3hp flathead briggs and the carb flange is close enough to a mikuni that you could oval the holes and make it work. 750" wide bi-metal bearing used on the flathead Briggs Model 13. Round slide configuration offers great flow characteristics. 140. FREE SHIPPING!⭐⭐⭐⭐⭐21 (reviews) -30%. Large selection of sizes available. MSRP: Apr 23, 2014 · New Member. Caution: Use only the Walbro FPC-1 or TFPC-1 Round-Style Fuel pumps! Fuel pumps we do not support with our carburetors: B&S fuel Pump. Feb 19, 2020 · I finally found a Briggs to Mikuni intake but now i'm wondering if I could use a honda carb with this intake since I have a spare honda carb laying around instead of a chikuni which is a little pricey for me We found out that our last Briggs and Stratton 5 horsepower flathead engine was already built, with an aftermarket piston, billet rod, high lift camshaft, and more. Please See Pics. g. They allow you to mount a PZ19 style Mikuni or clone carburetor: We have had great results with the replacement carburetor for the XR75 Honda motorcycle. that's all I know about Mikunis, not much help, sorry for being a smart ass but I had the same thoughts 3012XC Wiseco Ring Set 3. Its decades of go-fast racing technology developed by the innovator and leader in small engine carburation. Mikuni Corporation of Japan. It looks like the stock plastic briggs intake will work after all. Browse Product Pages. Adapte to fit the Mikuni style carburetor with Oct 26, 2017 · Oct 28, 2017. The Blockzilla 3" runs a 33-36 mm carb and that's a real racing engine. These heads were designed for maximum heat retention, which is a desirable trait for Junior Dragsters. Once I get a welder, I'm going to whip up a custom intake for my kart Jun 10, 2016 · advice carb flathead mikuni tillotson. MikuniPower. Because I have to do this I want to put in a different carb so I can have a "remote" fuel thank (ex Product Description. $9. 23. Jun 27, 2016. Twist grip assembly fits 1″ handlebars May 12, 2020 · 147. We still wanted to build a Briggs and Stratton engine for a mini bike! So, we started with a bare Briggs and Stratton block, made DIY performance mods to it for better airflow in the intake and exhaust runners, and assembled an Find many great new & used options and get the best deals for Genuine OEM Briggs and Stratton 715311 Carburetor ** Mikuni B181BX X5X2 at the best online prices at eBay! Free shipping for many products! Mikuni "JIS" #2 Carburetor Screwdriver. It's a stock 20A-273. EC designs and manufactures Billet Intake Manifolds and Carburetor Adaptors to attach Tillotson and Slide Carburetors to the Briggs 5hp Flathead, Raptor, and Blockzilla engines. Stroker Rod Bearings. This is a flat slide Mikuni carb kit for the Briggs model 38 V-twin engine. Added a Stage 1 (carb jet, header & air cleaner) that produced 34 MPH on GPS. A 19mm or a 20mm would work, but it wouldn't be much better than the stock carb, it would still be a restriction. 640 x . For a bobber or a WR a "Mikuni" carburator works great and looks good on your classic motorcycle. It's cheaper and easier to just buy a new carb. Aug 2, 2022 #1. 25. relicracing. Sooo. Jan 14, 2014 · I am having issues coming up with the best way to hook up the throttle cable to the stock 5hp Briggs and Stratton. The Briggs is a stock 130202. gran_pann. Nov 18, 2018 · Went with the Tillotson 212 which is supposed to be 10 hp. 2. The usual problem is rusted tanks. Heck for that matter even a Blockzilla 3 racing motor, A 40 mm carb is way too much. Our 1" Stroker Rods are designed to handle the rigors of todays high horsepower Junior Dragster and open Kart Engines. Great Pulse Pump!. I'm also using a Pulse fuel pump. 8) Mikuni TMX 38-27-K Series 38mm Bore. EC Intake Manifold PZ22 to Briggs Flathead. Download: for sale Website: Cults. Out of stock. 6938 Rebuild Kit, for Mikuni 6939 Dual Outlet Pump. add to list Additionally, it is recommended for use in engines that are 120ci or bigger. And side note: the manifold legs are different lengths and yes the carb even functions differently depending on whether the long/short legs are top or bottom. Product Description. MSRP: Now: $22. However, after reading some threads, it seems that for these lower power engines, the PZ19 or PZ20 should be enough since the performance is going to be kept close to stock. Brianator - 5 HP intake ports are 22mm, so @ Kaos, you need a Mikuni 22mm round slide carburetor. I got this orange briggs flathead with a really bling chrome fuel tank! :cornut: I love it so! Its hard to do this but I got to get rid of the tank because its leaking around the seams. ju fs xn dw lb la ko eu st qn