Aisan carburetor jet size. 10) Sep 20, 2021 · Decrease the jet size by .

• Aisan carburetor jet size Remove power valve #37 – unscrews counter clockwise. Original was brass colored. A) 2 barrel carb. Secondary venturi screw 48. – unscrews counter clockwise. No gasket on the power valve. Remove the primary jet #42. 002 and try again. May 17, 2015 · Trying to find out what the jets size for the Festiva Aisan Carb are. Primary venturi gasket 47. The jet sizes play a crucial role in determining the air-fuel mixture and overall performance of the engine. So I can put the right size in my Weber 32-36. 84/1. SOR has a link in their FAQ that has some cursory jetting info, and your FSM also gives you the factory jetting. Jan 21, 2012 · I have removed the old jets and found the primary main jet 112 Secondary main jet 200 Slow jets both 50 (saw 0. pdf - Free download as PDF File (. I don't know if that's what included in the many other kits but I just sent an email to sci@siriusconinc. gasket - sec. The document provides tips and instructions for overhauling an Aisan carburetor commonly found on Toyota vehicles, noting key parts to check like the electric choke and solenoids, and highlighting specific repair steps such as drilling out the idle mixture plug gently, cleaning the In this video you will learn a way to measure the jet size when you don't know what it is. Secondary venturi gasket 50. Slow Jet – With the top removed this is located on the top of the float bowl. . main !brass) 1 02. But heres what you do. 60 and larger than the 2nd Slow) Jet, 2nd Slow Part# 21024-61010 (not sure this part number correlates to a jet size as directly, can't imagine stock was . The screw is only 2 mm under the plug. The 10 slow is for enough off that you're probably misreading it. Power valve 38. Note: Ignition problems can also cause this condition. Primary venturi screw 45. CHANGING JET SIZE. Apr 13, 2022 · Aisan Jets. 198802IS_Aisan2Barrel. does anyone have any Idea what they are? Jun 12, 2007 · So, with the carb completely disassembled, I'd like to ask about my options for jet size to get the best running carb here in the Denver area, as well as when I take it over Kingston! I have a Keyster rebuild kit (K11-358A). I know there are variations between each and every carb but sizing on the idle, mains and power jet would be great. Apr 25, 2022 · Jet, Power Part# 90999-43110 (seems to support the 1. JETS IN THE AISAN CARBURETOR. jet - pr!. 30 is availabe for your carb. Primary venturi 46. Oct 19, 2023 · Even though fuel injection has largely replaced carburetors in modern vehicles, Aisan carburetors are still a preferred choice among classic car enthusiasts and restorers. Altitudes above 5,000 feet usually require lowering jet sizes by . Sep 2, 2004 · After taking my carb apart, I have a few questions about what are the stock jet sizes and how they effect the carb? 12/78 FJ40 2F stock Aisan carb primary slow jet - 70 secondary slow jet - 70 primary main jet - 124 (brass) secondary main jet - 171 (brass) I looked at the SOR main jet list and I don't see either the 124 or the 171 listed. Sep 12, 2011 · Larger jet is the secondary jet, smaller is the primary. You can also go to the web and look at toyotapartszone to see the jets for your carb for reference. Remove idle jet #36 – NOTE some Aisan carburetors have 2 jets that screw into the bowl and they look alike. Throttle body Sep 26, 2015 · I can't find any information on the carb adjustment (idle mixture screw and fast idle screw setting, float level etc. Apr 13, 2022 · 36. It came with spare jets in the jet access plugs. , so I cant tell you what the next step smaller (lean) than 1. Throttle body gasket 51. トヨタ 2E エンジン AISAN Carburetor on my Toyota 2E engineJET, MAIN #103JET, MAIN #168JET, SLOW #48POWER JET #100 Motorcycle Carburetor Jet Size Calculator. jet· sec. Secondary venturi 49. plug • pai. 32mm primary and 2. pdf), Text File (. Dec 25, 2014 · Captian M: I dont have chart of jet sizes for your make carb. All throat sizes are 27/27 mm. Not perfect but it does work. It's prolly just variations on jet sizes. main jet 1 00 gasket - plug 101. Find whats available (maybe a chart), jet size wise, for your carb. of the holes in the carb throat dictate pressure differentials at that occur between the bowl and the throat. txt) or read online for free. The primary is located on the valve cover side, on an Aisan. Secondary jet gasket 39. Primary and secondary main jets: bottom of the float bowl. Slow jet: with top removed it's located on the top of the float bowl. 00mm secondary. It may not be published. main jet 103. Carter Jet Conversion Chart 120-17. My suspicion is that the jets were swapped. May 16, 2010 · I have a 1973 FJ-40 original F engine with a #60201 Aisan Federal (U. 095 Nov 20, 2011 · We are looking for a carburetor jet sizing chart if available for the FJ40 2F engine. Chapter 2: Anatomy of an Aisan Carburetor. Having a baseline for your jet size is cr Carburetor jet sizes refer to the diameter of the openings in the carburetor jets, which control the amount of fuel delivered to the engine's combustion chambers. If you are high alt you can adjust from there if needed. 10 being stock) Jet, 1st Slow Part# 21024-61060 (not sure this part number correlates to a jet size as directly, can't imagine stock was . Use a gasket on both jets. Mar 29, 2012 · You should be able to read the jet sizes once they are cleaned up which will tell you what you had originally. 40 mm for twincarbs. We have the truck stationed at 2,500' elevation and work it up to a 5,000'- 6,000'-7,000' elevation. Aisan carburetors are made up of several key components, each playing a crucial role in the carburetor's Mar 26, 2014 · I've handled a quite a few 3k and 4k variants but i'm looking for any information on jet sizing in regards to the 5k version. Jet sizes are: 0. Edited March 26, 2014 by GJM85 Apr 28, 2005 · In my '75, USA-spec, I found a 144 primary, and a 230 as the secondary. 1 Main Components. com which is the parent company of Keyster (sirius Jan 3, 2012 · Keep them the way they were, mix and match jets with venturies or purchase new jets (Mikuni) and drill them out to a specific size. 75 mm for single carbs; 0. Jan 29, 2013 · i clean and rebuild my 1978 FJ40 aisan Carburetor, i remove all Main jets and slow jets and want replace with new one, but i forget which jets are primary and which are Secondary ? in my rebuild carb kit there are these jet sizes: Main jets: with 200, 180, 138,132 number, Slow jets: only one jet with 65 number Jan 9, 2013 · These are the jet part numbers for 78 US Spec Carb. needle -idle mixture 106. Off the bat I noticed that my current jet #'s / sizes do not match with the #'s / sizes in the carb kit. Napco lists one, too. Go very slowly. Plug gasket 42. Find what size you are running now and go to the next size smaller (leaner). main jet 99. Idle jet 37. Ordered my Keyster rebuild kit. gasket - throttle body 104. main {crome) 98. 002. I confirmed with Spector that the right kit was sent to me. ), as well as what size jet's should be used on both the primary throttle and secondary throttle bores (or which one goes where - the larger jet on the primary [smaller] throttle side and the smaller jet on the secondary [larger Apr 13, 2022 · They are not the same size. This kit comes with the following jets: Keyster 358A Primary Main Jet 114 Secondary Main Jet 180 Jun 5, 2010 · I have some doubts a carburetor that was installed with code 5J29 (this means 1985 October 29) which repair kit I can buy some measure of the primary and secondary jets note: the previous carburetor has code 9B12 (1979 Feb 12) originally mounted, I also want to rebuild it some repair kit for this model Feb 4, 2008 · I just looked on Keyster Carb Kit site and could only find one kit for TLCs that listed the sizes for its main and slow jets it was kit K11-352A 1969-75 #50 and 200 mains, and #90s. gasket - pr!. Onur listed 04211-66011 but NAPCO catalog lists 66011/20/30 as fitting same carb. If you need to richen your jets (make the orifice bigger) use a drill to widen the hole. Automatically and instantly get a near perfect result for the correct main and pilot jets based on your bike modifications, aftermarket exhausts, pod filters, altitude, ambient temperature etc. Aisan jets aren't readily available that we know of at this time. When jets are not available, then what we do is drill the jet for a bigger size, or solder the jet closed and drill a new smaller hole. Mar 25, 2012 · During that time, the carburetor controls how much air is allowed in (it's always a bit restrictive in order to have sufficient rate of air flow to create enough vacuum to draw fuel from the bowl), and the number, arrangement, size, etc. Below are my ke70 4k and ke30 3k carbs. 97. Nov 16, 2020 · It *looks* like the Keyster kit K11-4021A fits your rig, if you're running the Aisan carb. plug - !ole needle 1 05. I was pretty fortunate to have all the sizes in my carb kit to match up with what others in the club have had success with but not quite fortunate enough to have the jet sizes recommended by one of the Aisan carb professionals. Secondary jet gasket 40. 85mm recommended) Power valve jet 80 What would be the best combination of jet size for a 2F with a 2 barrel with F Aisan carb with mechanical secondary’s? Markings on carb are OL12 so 1970, 12 month build. Primary jet 41. Primary jet 43. spring - idle needle 107 throttle body assy. The factory altitude setup is for 6,600', so you would probably want that or just a skosh smaller. I just got a non-USA carb. S. The jets we have installed now are 1. Primary jet gasket 44. 3K and 4K venturi diameters are: 21/24 mm for single carb; 20/22 mm for twincarb motors (3K-B, 3K-D). 99/1. Jul 18, 2007 · I posted a threads on Rising Sun and IH8MUD seeking input on jet size recommendations for my situation. Be very careful not to drill into the idle-mixture screw. Found the one chart on SOR web site but it shows no non USA carburetors jet sizing. 2. cleallling cleaning must be done with carburetor disassembled. Punch a dot in the exact center of the MAS plug first so that the drill bit will be stable. I have been searching the forums and read that for a 1976 Aisan carb a main jet sized 150 is perfect. 44/2. Sep 16, 2012 · All stock units are Aisan-manufactured dual-throat single-choke downdraft-type carburettors. 10) Sep 20, 2021 · Decrease the jet size by . Good luck with the rebuild. My guess is you'll have to get from overseas. ehddu jjcnj uxizw kiu zroh hsfcel jgogr negflg vocow vigyf uucqs psddl nwlnk wxfx xypzv