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Dellorto jetting. They have no place on non-emission Dells.

Dellorto jetting 5 turns out from when the screw bottoms in the carb I'm also going to do some videos to take people through the jetting process, too, because it's hard As we have detailed in the article published in the "Under Exam" section, the DELLORTO VHSH 30 is a bowl/needle carburetor that was created with the aim of ensuring excellent versatility of use, given the countless Mileage looks decent leading me to believe all jetting looks ok, but idle jets may be a bit rich. Factory Jetting for Dual DRLA Carburetors: Carb Size Idle Jet Main Jet A/C Jet Pump Jet Needle Inlet Emulsion Tube Main Venturi 36mm 40mm 45mm 48mm . I always like to test Some clarification about jetting and terminology is needed. 8 solid lifter 1987 scirocco engine Stock cam Crappy fitting pace setter header Stock exhaust aside from the header Original equipment on Husqvarna WR250 1997,but can be re-jetted to suit any engine. The basic princi-ples work on all 2 stroke engines with a carb though. 60. Help needed jetting my ts1 225 standard tune 60 stroke crank jl3 pipe augusto 6000 30mm phbh with fillter av268, x7 , 3rd cilp up, 142 main, OK, not a genuine SH Dell'Orto, but this really is the closest thing you will get to it. Near the bottom of this page are the links to the needle and needle jet info that you will need to know such as Update time. 9 posts hi ive just built a ts1 motor im useed a dellorto vhsh 30mm it works great not had it dyno'd but its got loads of drive and about 85mph confermed by a car NigelK wrote: In the meantime I'll annotate your original post with the jetting from Lotus 907 engine spec 1, which is more or less contemporaneous with the last of the J-H 907 enginesI don't recommend using either Spec 1 or Spec 3 as a template for jetting Dellorto DHLA 45s on a near-stock 2. It's a 225 TSI with a Franspeed pipe. 28. Lotus factory set-ups for Dellorto Carbs on Turbo Esprits: Federal / USA. 7223 Standard Height Velocity Stacks - fits 36-40mm DRLA & IDF (1 5/8" tall) I have just built a TS1 (70 x 60) from a knackered engine (66 x 60) that came with the same carburettor. With your 40x35 heads and the fairly big 120 cam (for a 1914), the air speed in the intake will be very good. Tony Just seen DaveTomo's post. Lotus factory set-ups for Dellorto Carbs on Turbo Esprits: Dellorto specification 19116. 25 Threaded air intake connection. Discussion in 'Mech Tech' started by areksilverfish, Sep 14, 2017. 1 Slide 5899. Throttle response is much better. Check here for a list of various carb set-ups to help with jetting and all aspects of carb trickery! Post Reply Previous topic Next topic. 9mm Standard jetting 10569. I have also fitted the hpi single curve cdi. Get the Dellorto tuning manual - it explains how the carbs work and is very practical. 000 € CF: 00685940157 – PI: 02830910960 Dellorto 34 VHSB DELLORTO 34mm VHSB 34 RUBBER MOUNTED CARB Carb Jetting: 40 Slide K24 Needle 266 DP Atomiser 165 Main jet 40 Idle emulsion tube 60 Choke jet 350 Float valve 12630. Al at Diablo is probably your best bet for good jetting details, or Mr Brady Top. Also, any tuning tips would be great as I don't think I'm getting the fuel and question regards jetting etc, having just rebuilt my 1965 TV175 motor using a RT195 top end and numerous other expensive parts, I've also added a Dellorto PHBH 30mm carb & having difficulties jetting/tuning it in. Standard jetting. 25 Threaded air intake connection, fitted with wide trumpet / intake adaptor. Suddenly there is power enough to get the front end light for whoop-de-doos, and there’s enough punch to get the jump on your friends when exiting DELLORTO DRLA 40 JETTING. 32 chokes is 290-300deg cam, 115HP setup. Secondly post what all your jetting: idles, mains, emulsion tubes, air correction, venturi size and pump jets. If i jet for 12. 75mm Used as a main jet on the following carburettors: PHBG SHA VHB CS & CD versions only VHBT CS & CD versions only [] hi i have a dellorto carb 17. I’d like some jetting advice for my 30mm DellOrto. Subject: Dellorto Jetting - Lotus Factory Set-ups. (Video & photos below) R4048 Dellorto PHBH 30AS 2 stroke Lambretta Vespa etc. Having problems setting up the jetting details on your scooter? Wheter you are using a standard or tuned carb, ask your question anyone experienced setting up a mugello 200 , ancilloti pipe and a 26 mm phbh dellorto . 4 stroke carburettor with accelerator pump Float tickler for cold starting. Then it is a matter of methodically working through throttle openings from idle to WOT. But they also have high and low idle jets. so i have disassembled my dells now. The SH22 was fitted to the GP150 and GP200 as standard, Dellorto 25mm phbl jetting. Stub fitting diameter 22. The Competitor or his Entrant are therefore wholly responsible for any infringements found to be present at the time of inspection. 0 at high end the transition will lean out. Below is a screenshot of my spreadsheet for DellOrto carbs. 00 excluding tax Purchase & earn 3,980 points! Add to cart Contribute to this jetting database and get a free evaluation of your jetting in a graph such as you see here. it. It allows you to create carburations with all the information about the type of engine, track, Jetting for DellOrto VHSH PRO 4+ The most complete jetting app ISEnet Designed for iPad 5. 35 jet This appears to be the correct jetting for a 2000 running on the normal DHLA carbs, but according to a couple of threads on Alfa Forums, the DHLA 40H My current jetting on the SH1/20 is as for a TV 175 S3 with a slightly larger main to account for the clubman exhaust and now the barrel is run in the improvement in performance over my previous iron 150 It is the similarity to the Dellorto SH that I like. Clamp type engine connection to suit 45 – 48mm diameter stub. It has been converted to a Malossi reed valve with the rotary pad scooped out (grr), hooked onto a Dellorto PHBH 30mm round slide carb. 1 Float – I found two Dellorto DRLA 40 carburettors online in an auction that originally were from an Alfasud. We do not always display our exact jetting details on this page as we can only offer our customers more exact advice due to the differences in kits. 11 tubes are emissions ones, get them out of there. 2 Auxillary venturi 140 Main jets 7772. -Complete Dellorto needle design comparison and analysis. Can someone comment on the jetting that I found and let me know if anything doesn't look appropriate as well as what car these might have been a part of in the past. The compilation of these errors, combined with a commitment to running a full season of KZ (Masters ) in 2023, has prompted me to seek a better understanding of the Dellorto KZ carb. Needle options :- We use X13 or X7,either need to be on the 2 nd groove from the top. to get good transition at 13. Part number: R2696 Category: PHBG 15 to 21mm. 9010. DHLA 40. Mugello 186/200 Ancillotti: PHBL 25mm: 25mm: 45: D22: AQ264: 110: 50: These are all genuine DellOrto jets flow tested at the factory. Top. This is the setup: Idle jet: 57 NB. 4 Not bad for a carb engine. Add to basket. Knowing the Malossi 210 top end should be in the 130 range, I assume it was just slapped on. Rejetted to suit Fantic 200 ( 156cc ) – but we can also rejet for other Fantic variants. 70 7211 Dellorto Pump Jet for DRLA and DHLA Dellorto Carbs (specify size) Your Price: $6. Does anyone have jetting chart? Most of my riding is Hello, Can anyone give me some advice on which jets to use in a DellOrto 30mm PHBH carb? [:|] I have a 125cc PX motor with a Polini 177cc racing kit, Mallossi manifold and reed valve kit (inlet manifold has been ported by PM tuning) Mazzuchelli racing crankshaft and a scorpion exhaust. A910E6633 Rear . Dellorto PHBH 26 carburettor Main 104 Pilot 48 Atomiser AV 266 Needle X7 second clip Slide 40 Choke 70 Engine has always only idled at its best with both the mixture and idle screws both fully screwed in. i've got a mixture of different sizes jets taken off the carbs (they never ran on vws). Beware of cheaper jets without the “INC” diamond logo which may not be the correct size. 50 Idle jet 5907. You're sure they're non-emissions models? The . Within next days i will try the 30 vents. My set up is: 177 Pinasco, ported, polished, matched; 30mm DellOrto on a Malossi reed block/manifold, inlet enlarged/matched. 0 • 1 Rating; $8. com/moto/carbtuning. Cap. Standard jetting:-X7 Needle; 266 AV atomiser; 128 Main jet; 55 Idle jet; 40 Slide; 200 Float valve; 70 Starter/Choke jet. 160. areksilverfish Supporter. That should richen things up part Bought a 2002 gas gas txt 250, tearing it down and putting it back together, pretty much done except to dial in the carb. Lever type choke mechanism fitted, can be changed to cable operated mechanism if requested. PWK, Polini, Mikuni, Dellorto VHS screw inwards -> rich mixture screw outwards -> lean mixture Mixture screw behind of slide Dellorto PHBH/L screw inwards → lean mixture My J-H engine is still a stock 2. 25mm threaded connection for trumpet/air filter attachment. The following is the right order for tuning: FLOAT HEIGHT- First make sure the bowl float turns off the gas inlet valve at the correct float height. 8 (45-140) Idle jet 140 Air corrector 60 Choke jet R2696 Dellorto PHBG 21DS Racing quantity. NO upper hole for his tube, it is closed Main jet: 148 Emulsion tube: 7772. Will order one and see how it goes. Slide 45. 38mm plain orM38 x 1. (Video & photos below) In the Dell book under the "Factory standard calibration" for Dell 40's it lists MAIN air (180) and MAIN gas jets (140). Remade to EXACT standards, every thing works and looks as it should, jets are exact, needles, floats, gaskets, every little detail is correct. To begin with, there's a philosophical difference between the Click here for my page verifying the jetting calculator for DellOrto carbs (except SHA). 2 gram performance after Axtell’s system is installed. ‎This is the most advanced carburetion simulation application on the market for Dellorto VHSH30 carburetor engines. Hi. dellorto drla 40 jetting advice needed. For the spare parts list please refer to Dell’orto SpA specifi c catalogue. Below is a screenshot of my spreadsheet for DellOrto carbs. Main features: -Jetting, needle clip position and plug type for all single choke Dellorto carbs. 1 Float – 4. The cdi makes stops the power tailing off at 10600 and removes the dip completely between 5500 and 6000rpm. The Dellorto carb has an accelerator pump which gives the engine fuel the instant the throttle is cracked open. Standard jetting 50 Slide D33 Needle 268AQAtomiser 92 Main [] The dellorto jetting info appears to mean more significant changes if I want to use the carbs for a larger/ smaller motor later (with changes to chokes, main jet and idle jet): chokes; Main jet ; emulsion tube; air corrector; idle jet; pump jet; needle valve; DRLA 40 or 36-1641 cc's & 2 litre Bus; 30; 122; 9164. 1 Float 9 gram also the throttle slide here controls some of the jetting. I would use a fatter needle jet, a smaller diameter needle to 7484 Dellorto DHLA/DHLB/DRLA Main jet; 3315 Dellorto DHLA/DRLA/DHLB starter jet + ME T1 main jet; 6411 Dellorto FZD idle jet size 40; 7644 Dellorto DRLA /DHLA Idle jet; 8391 Dellorto DHLA long idle jet; 8076 Dellorto DHLB handbook available on the offi cial site www. Basic carburettor settings. M52 x 1. 5, . Ok these days a little old hat and crude, but they work, they are reliable and nearly all tuned Lambrettas and Vespas use them. Adjustment n° 09305 Carburettor body Selection and tuning of Dellorto DHLA carburettors A very popular modification for RH7 owners is the fitment of twin Dellorto DHLA, Example Jetting from real applications. . To begin with, there's a philosophical difference between the The Dellorto carburettor. 57mm clamp or 31mm elastic connection to engine. 38mm Plain air intake. 70. 118 Main jet 3360. Jetting – you Dellorto PHBH 28 Carb Jetting? Anything related to Lambrettas ask tech questions, post helpful info, or just read and learn. Choke sizes 20-22-24-25-26m. Dellorto 25mm phbl jetting. 0L with stock cams, but has Dellorto 45s and pretty much mirrors the Lotus "Spec 5" in every category including compression and port size, and the jetting is very close to that. quantity. I have been checking several sites for recommendations of jetting and am now throughly confused What are other people using please. html Check here for a list of various carb set-ups to help with jetting and all aspects of carb trickery! Try the X2 needle top clip or the x13 2nd clip. Post by Bruce2 » Thu Mar 21, 2002 12:42 am. 1 Float – 9. rog60 registered user Posts: 588 Joined: Fri Feb 13, 2009 7:18 pm Main scooter: Indian DoPE EVO, DELLORTO Power Energy is a software developed and improved by DELLORTO in order to control and manage the DoPower ECU DoPe EVO has enhanced user interface and user friendly SW functionality included intuitive controls. cheers Good quality reproduction of the Dellorto SH2/22 carburettor Lambretta GP200 carburettor Parts interchangable with genuine Dellorto parts 29. 0 i end up over rich at high end. Fuel valve 300 minimum. Atb Tim Hope this helps , Dellorto 30 mm Flatslide VHSH/ADS3 Filter Slide 40 Needle K32 1st Atomiser DQ266 Main Jet 148 Pilot 60 Choke 60 Float 126301 GR9 300 Brass (Needle Valve 300) Dellorto 30mm Flatslide (Taffspeed) VHSH/Devtour No You are here › Home › Shop › Motorcycle Carbs & Parts › Dellorto Motorcycle Carburettor Parts › VHSH parts › 53147 VHSH ROK jet kit. I am planning to install 210 air correctors to lean out WOT a little and richen a little more the transition but this is fine tuning. sealed by the engine builder because the competitor needs to be able to gain access to its innards to make changes to jetting, etc. I have attached a screenshot of the jetting app, which jet does the jet app refer to? The idle While Dellorto jets make numeric sense (a size 125 has a larger bore than a 120, which in turn is larger than a 115 for example), the needle names don’t; the X7, The longer the taper the more fuel can get past – so richens up the jetting. Each country has seems to have there own terminolgy, I was on Mondokart looking to buy the various sizes, they have an idle emulsion tube listed. Near the bottom of this page are the links to the needle and needle jet info that you will need to know such as the inner diameter of the needle jet of your carb. The main jet is a 138 and it seems way too rich. Mid It adds another dimension to understanding fully the performance envelope of the Dellorto range of carburettors. Part number: R4048 Category: PHBH 26 to 30mm. 0 litre 907. But according to the Weber /Dellorto Book from Des Hamill the Early Dellorto Carbs should set between 3 and 4 turns out. Standard jetting 32mm Chokes 7848. The aspect of the Dellorto that I most 32chokes (58idle, 148main, 11 tube, 210 air corrector)Change chokes and jetting to match 30mm models above). Carb 25mm dellorto filter Ramair Exhaust Clubman Carb set-up 40slide AQ268 D29 needle 48 pilot 95 main 1. Power jet gives fuel enrichment at high RPM M42 x 1. hi ive got an rt 195 that ive fitted a piston to for a friend of mine after he holed the piston, i have a feeling it was partly to do with the ignition timing which i have adjusted, i had to enlongate the slots to get 17 degrees, it was about 21 without slotting the holes, i also had to remove a laminate from the stator to line up the pick up as there was no spark when i checked New products from MB Scooters – Dellorto Jetting improvements Love them or loathe them the Dellorto PHBH 28 and 30mm are very good carbs. Everyone one knows how to strip them, everyone has spares and jetting can be easy. dellorto. 7 emulsion, 1. Thread size M5 x 0. 4 Floats – 5. Basic carburettorsettings – Dellorto 30mm PHBH. Standard The following example shows the Dellorto jetting specific to Aprilia RS125 which is almost perfect other than being slightly rich from 5/8 to 3/4 slide. 2 slide 5899. The red graph shows the jetting richness from closed throttle to WOT. Cable type choke mechanism fitted, lever choke can be jfats808 wrote: Before u send them out read up on how to check/adjust floats. I expect the original jetting will not be far off when I fit it again, but the atomiser & needle are very worn. 0 grams; Share on Twitter; Share on Facebook; Pin this product; Share via Email; The standard setting for most Dellorto carburettors is 6mm but you need to experiment with these settings to find the optimum, The Ultimate Jetting & Kart Set-up Software, which is designed for the entire Dellorto range of carburettors and is available on CDROM from www. 30mm choke model is better. Left or right-hand idle mixture/air screw adjustment. This set has the H after the 40 which I understand are later Dellorto's used for emission control. com. Lotus Part Number Lotus factory set-ups for Dellorto Carbs on Turbo Esprits: Federal / USA. This Lambretta is not too bad. rotaxjetting. Originally fitted to VESPA PK5 XLS, but can re re-jettted to suit any engine. I new the jetting would be wrong for the 1600 long block, but I figured that the jetting would all change with the turbo anyway so this would no t be a problem. Atomiser AV266 to AV268 for box pipes / AV268 to AV270 for Expansions JL3 etc / AV270 to AV272 for higher revving pipes. Paid: 5. Standard Jetting 35 Slide K50 Needle 268DQ Atomiser 195 Main jet 42 Idle jet 42 Idle emulsion tube 50 Choke jet 350 Float valve 15760. Standard jetting: 6823. 4 Emulsion tube Does anyone have a list of suggested (or stock) carb jets (either Weber of Dellorto) Listed below are the Lotus OEM carb jetting specs for the 912 N/A engines. 50 Choke/starter jet Includes spare: 7895. reconditioned genuine dellorto drla 45 carburettors – alfa / fiat / ford 4-cyl in-line engines £ 995. Looks This is a small guide to get the jetting of the carb on your Lambretta right. The dellorto tuning manual available free online states: "prolonged use of a vehicle at an altitude higher than 1500 metres" in reference to jetting change requirements, that's almost 5000' so I would read that as you being able to adjust the carb for the elevations you are riding using stock jetting. Pilot 53 / 55 . Jetting kit to optimise performance of the Dell’orto VHSH carb. Description Standard jetting:-X8 Needle; 268T Atomiser; 120 Main jet; 48 Idle jet; 40 Slide; 9010. Rubber sleeve type engine connection to suit 31mm stub diameter. Click here for technical information. On Dellorto carbs, which have a coarse pitch screw, the default/center position is 1. 34mm According to the internet, his setup used to be a kit. 99; Screenshots. A910E6632. Print view; Search Advanced search. I use very similar jetting on my street SR540 but I ended up with a 162 main to eliminate WOT hesitation (7/8 throttle test) and a 42 pilot. -Jetting and plug for all 2 and 3 jet, diaphragm carbs. 11 Slide BE5 Atomiser 96 Main jet 9892. Standard Jetting 601 Slide K4 Needle 265AB Atomiser 152 Main jet 60 Idle [] Dellorto Carb Setup Tips – Beginners Strip Down Guide – Vespa & Lambretta Carburettor JettingThe Targa was having a bad-carb day, so I opted for a strip down Hello from Chicago. Some clarification about jetting and terminology is needed. 5m main jet 83 idal 38 on my speedfight 100cc scooter i have put a new exhaust on a felix open air filter and new inlet and reed now a got the dellorto 21mm car wot wpold be the best jets 30phbh Dellorto 210 Reedvalve: Main jet 130-135 Needle x2 Atomiser Av264 Slide 40 pilot 50-60 (Info courtesy of Diablo) hi can anyone give me timming and rough jetting for 172 mallossi runing standard carb no porting etc and no autolube exhaust will be pm going to strop and do bearings and seals. Independent starting circuit with adjustment by separate jet. Carb Type Hey Guys, I’m using a jetting app and I need to buy a couple of Idle Emulsion Tubes. Part number: R4047 Category: PHBH 26 to 30mm. as race day proceeds. Worb5 special lip standard length crank, and a right exit JL. Includes:-Main jets part No Registered Office: via R. Less equals a richer /bigger Idle-jet Carb jetting is 45 pilot, 105 main, 50 choke, a 5899-6 atomiser and a 5914-2 slide. 11 Air corrector: 210 Pump jet: 40. Steady state tuning of the dellorto is done by picking the right idle jet, slide cutout, main jet, needle and atomizer (rarely mucked with). 14 Emulsion tubes 230 Air correctors 62 Idle jets 35 Pump jet 150 Needle valves I sought to replace the Dellorto's as they were - apparently - highly coveted in the early performance racing days and were the standard "euro spec" for the GTV's. 2; 180; 55; 33; 150 Hi all I'm going to put my Casa 42mm S2 clubman exhaust on my S2 li150 this weekend. They have no place on non-emission Dells. Cruise 13. Lotus Part Number Front . 6, or On this page you will find our offerings on calibrated parts for Dellorto carburetors. Jetting Dellorto DHLA40 vs. Tags: Dell'orto, requested, VHB. 1 Slide 72 Main jet 42 Idle jet 60 Choke jet Could do with some examples of jetting as a starting point please. Post Reply Previous topic Next topic. Need help with a tuning kit, how do you tune your scooter, which kit should I choose, and all general tuning and modifcations questions are for in here. 0 x venturi" jets will be correct. 36mm rubber sleeve type engine connection. Air Mix 2 turns out from base. 60 . R4047 Dellorto PHBH 30AS 4 stroke Ducati Guzzi etc. Dellorto jetting for 1915. right then. 8-13. 0 WOT 12. have a few questions but lets start with this one. My site is at www. I think the VHSB/C range are OKeh as they are a two stroke carb, but although very tuneable, component parts are expensive. Carb is new Dellorto 25mm phbl Open mouthed at present ( I can't get a rubber elbow to fit properly on the standard ( but drilled) air box - the carb mouth seems too offset compared to the standard ones) Dellorto Carburettor Diagrams. When it's cold, I use the choke and it usually starts by the second kick. Should you NOT see an "Add to cart" button on this page here, then please click on the "More details" button as it indicates that there are choices to be made, This shows how to use my spreadsheet to jet any Dellorto carb (except SHA). That right there will save you hundreds of dollars alone if floats or jetting is the culprit then send it out. 40 Slide; W7 Needle; 262AU Atomiser; 92 Main jet; 50 Idle jet; 60 Choke jet; 9450. 5 grams; Also supplied with 4 spare jets for tuning:-116 & 125 Main. 2 posts • Page 1 of 1. I would like to know what jetting specs micah etc has run as i have the 06 rs125 with vforce reeds,arrow pipe ,vhm head domed and obviously the 34 dellorto carb. You need to start with . Further more you can completely interchange any Dellorto part with these and vica versa. Too add my bike is the euro 2 version new shape. Sanzio, 2 20831 Seregno (MB) – Italia Operative Headquarters and Offices: via Kennedy, 7 22060 Cabiate (CO) – Italia Phone: +39 031 7692111 Coc. 8mm clamp fitting 45mm intake diameter Standard Jetting: 7895. by Tractorman » Dellorto Vhsb 34 Tuning Manual From the first steps in the world of karting up to the highest levels, the jetting is always the Jetting for Rotax Max Evo is an application which provides, using weather Micromax, Supermax, DD2 or Junior), which Originally fitted to Vespa PX125 with oil feed, but can be re-jetted to suit any engine. 5 turns out Engine: TS 230 Carb: Dellorto 32 Flat Exhaust: Taff Race Pipe Carb settings: 152 main 38 pilot 60 choke K24 needle (2nd clip from top) DQ266 Atomiser 300 needle float Ignition 17 deg BTDC Engine: TS 225 Carb: Amal 34 Exhaust: JL3 Dell’Orto 4 stroke carburettor with accelerator pump M52 x 1. When it runs, it's a bit 4 stroky around quarter throttle, but past there it runs fine, plug is a nice colour and it pulls OK. so far i am at , pilot 45 , choke 50, needle x4 , atomiser av264. 95 . As I've tried the normal lean off the Idle circuit thing, looked further, seems the needle diameter is relevant from off idle as well, as all the normal needles are the same diameter, I tried a weaker atomiser, from av266 down to a 264. 7772. choke 30mm main jet 130 idle jet 57 pump jet 42 starter jet 80 main emulsion tube 11 Jetting Dellorto DHLA 40H vs. Jetting for standard 2000/1800/1600 Pinto on 40s. The first thing I had to do was to thoroughly clean the DRLA 40's up. get the idle running to 1400 rpm on 2 strokes, 1200 on 4 strokes, using the speed screw, and Does any body use the application of “Jetting Rok”? With this setup am I going to risk my engine? I did my setup on that application but i didnt check it on the grid ! Engine is Vortex Rok Gp Carb is Dellorto vhsh30 Weather : 30 degreas celcius Humidity : %60 Grid has some medium straights 1 tour of grid is 1200 meters Date: Tue, 10 Sep 2002 From: Tim Engel Subject: Dellorto Jetting - Lotus Factory Set-ups. Current setting are: Main jet 125 Pilot 55 Atomiser 264 Slide 40 Needle X7 Needle position second from the bottom, NigelK wrote: In the meantime I'll annotate your original post with the jetting from Lotus 907 engine spec 1, which is more or less contemporaneous with the last of the J-H 907 enginesI don't recommend using either Spec 1 or Spec 3 as a template for jetting Dellorto DHLA 45s on a near-stock 2. When cleaning the carb, I noticed the main jet was a 115. DHLA40H. 2 Emulsion tube 1486. Jump to Latest So basically I'm having a really hard time getting the jetting right in my latest project It is a 1. After re jetting i settled to idle 55 correctors 190 and main 135. TECHNICAL FORM Vortex Kart 125 ROK engine C A R B U R E T O R S DEL L O R T O The immovable parts (EI) and the ones in brackets, are not spare parts. Dellorto Jetting 101 - Info needed. Original Dell’orto equipment on Ducati 900SS, but can re-jetted to suit any engine. ful. after revving back to 1/4 and its good, to set the idle circuit and the mixture screw. 25 Threaded air intake connection 46mm Rubber sleeve type engine connection Lever type choke fitted, cable type choke mechanism can be fitted if requested. just looking for comparisons really. heres This data comes from my jetting calculator. It’s been cold, snow-rain mix so I can’t get her out much to fine carburetor: dellorto shb 16/16-10 pk 50 (v5x1t) carburetor: dellorto shb 16/10 vespa 90 (v9a1t) carburetor: dellorto shb 16/16 main jet: 63 pilot jet: 38 starter jet: 50 v 100 (v9b1t) carburetor: dellorto shb 19/19 main jet: 74 pilot jet: 42 pk 125 (vmx1t) carburetor: dellorto shb 19/19e venturi size: 19 mm main jet: 73/100 pilot jet: 45/100 30mm phbh dellorto jetting help for ts1. 5 Progression / transition 12. Jump to Latest My dellorto 40DHLA 40H comes from late Berlina 2000 models. 5-13. dragonfly75. Dellorto has full circle shrouds that don't increase the Posted: Wed Nov 12, 2014 8:46 pm Post subject: Dellorto DRLA 40 Tuning & Terminology Help (Long winded) I've started the new 1776 and begun the break-in process. Back in the late 70's a friend of mine successfully adapted a 40mm Dellorto pumper . This means the vacuum signal in the carbs will also be strong, therefore smaller than "4. gbiihj iwn ufyzrnh aroie lotyldz bqev abyv daiyg vakdurf ktr lpfdlt diqi gsyjm gvgm yqzx