Despieces, tablas de aplicaciones,reglajes y manuales de carburadores Holley, Weber, Solex, Carter, Bendix, Zenith, Galileo, Brosol.

MENU MENU. Welcome carb ID xxxx year range US / Euro model xxxxxxxx (speed, engine)02. Keihin 50A, 50B – parts for 1964-68 Honda P50 xxxxxxxxxxxx (40km/h OHC)02.

Keihin 610 (50B) parts for 1967-68 Honda P50 Little Honda (26 mph OHC)0 3. Keihin C4B, C5B parts for 1969-70 Honda PC50A ( t 2039) (40,50km/h OHC)03. Keihin C5A, C5A parts for 1969-70 Honda PC50 Little Honda (26 mph OHC)03. Keihin F4A, F5A parts for 1970-74 Honda PC50K1 xxxxxx (40,50km/h OHV)03. Keihin F4A, F4A parts and 1970-74 Honda PF50 Amigo xx (40,50km/h OHV)0 4. Keihin PA 01A-A, PA 00A-A 1975-77 Honda PC50K1 xxxxxx (40,50km/h OHV)04. Keihin PA 01A-A parts and 1975-78 Honda PF50R Amigo x (40,50km/h OHV)0 4.

Keihin PA M0A-A parts for 1978-80 Indian AMI50 4-Stroke xx (30 mph OHV)05. Keihin BB 21A-B parts for 1978-79 Honda PA50-I Hobbit xxx (20 mph TS)05. Keihin BB 20A-C parts for 1978-83 Honda PA50-II Hobbit xx (30 mph TS)0 6. Keihin PA 08B-A parts for 1977-79 Honda NC50 Express xxx (30 mph TS)56.

Keihin PA 08B-B, PA 08C-A 1977-79 Honda NC50 Express xxx (30 mph TS)05. Keihin PA 08B-A parts and 1979 -79 Honda NA50 Express II xx (30 mph TS)0 7. Zikir munajat hasbi rabbi jallallah download mp3 download.

Keihin PA 08E-A, PA 08E-B 1980 -80 Honda NC50 Express xxx (30 mph TS)06. Keihin PA 08D-A parts for 1980 -80 Honda NA50 Express II xx (30 mph TS)0 8. Keihin PA 15A-A parts for 1981 -81 Honda NC50 Express xxx (30 mph TS)07. Keihin PA 16A-A parts for 1981 -81 Honda NA50 Express II xx (30 mph TS)0 9. Keihin PA 13E-A parts for 1981-82 Honda NX50 Express SR x (30 mph TS)08. Keihin PA 13B-B parts and 1982-83 Honda NC50 Express xxx (30 mph TS)08. Keihin PA 25A-A parts and 1982-83 Honda NU50 Urban Express (30mph TS)10. Keihin PA 29C-D parts for 1984-87 Honda NQ50 Spree xxxxx (30 mph TS)09. Keihin PA 13E-A parts and 1983-85 Honda NB50 Aero 50 xxx (30 mph TS)– – – – – – – – – – – – – – – – – –11. Keihin PA Z502 parts for 1968-71 Honda Z50A Mini Trail12. Keihin PA 655-A parts for 1972-75 Honda Z50A Mini Trail12. Keihin PA 674-A parts for 1970-75 Honda QA5013.

Keihin PA 03A-A parts for 1976-78 Honda Z50A Mini Trail14. Keihin PA 03B-A parts for 1979 -81 Honda Z50R14.

Keihin PA 03C-A parts for 1980-81 Honda Z50R12. Keihin PA 03D-A parts for 1982-85 Honda Z50R12. Keihin PA 03 D-A parts for 1986-87 Honda Z50R15. Keihin PA 03H-B parts for 1988-91 Honda Z50R15. Keihin PA 03M-A parts for 1992-99 Honda Z50R16.

Keihin PA 42A-C parts for 2000-03 Honda XR50R16. Keihin PA 42A-C parts for 2004-09 Honda CRF50F17. Keihin carburetor parts for many small Hondas18. Gasket and O-Ring Replacement Sets1.

WelcomeKeihin carburetors are used on almost all Honda motorcycles (or copies of Hondas). Here we focus on the 50cc moped and scooter carburetors from the 1970’s and 1980’s. First is an introduction from:The Keihin Corporation was founded December 19, 1956 and currently maintains its head office in Shinjuku Ward, Tokyo, Japan. Among the products they are internationally known for is the production of carburetors and fuel injection, and is a major suppler to Honda, and also Triumph, Suzuki, Kawasaki, KTM and Harley Davidson motorcycles. In addition to carburetors, Keihin supplies the automotive industry with engine, transmission and climate control products, including intake manifold assemblies, HVAC assemblies, compressors, valves, solenoids and electronic control units. Keihin’s largest shareholder is Honda Motor Co.

Ltd. Keihin first began U.S. Manufacturing in 1989. Counting all U.S. Locations, Keihin has more than 20,000 employees. Keihin North America’s corporate headquarters is in Anderson, Indiana.Keihin motorcycle carburetors are labeled with a cast-in model code followed by several numbers and letters that specify the settings for that application. Except for the Honda PA50 (made in Belgium) carburetor, which is a unique design, these Honda moped, noped, mini-cycle, scooter and small motorcycle carbs are all model code “PA”. Other Keihin carburetor model codes are PB, PC, PD, PJ, PWK, CV, CVK, VB, VD, VE.2. Keihin 50A, 50B on #044 1964-68 Honda P50 Little Honda.

Honda P50 carburetors, top 50A, bottom 50BThese are down-draft carburetors, unusual, like the wheel-motor design is.Top: Type 50A Carburetor 1964-67(before frame number A148608)Keihin???, Honda 16100- 044 -405Main Jet: 55Idle Jet: 35Needle Jet: 2.6 x 2.0Bottom: Type 50B Carburetor 1967-68(after frame number A148607)Keihin 610, Honda 16100-???-???Main Jet: 62Idle Jet: 35Needle Jet: 2.6 x 1.553. Keihin (9mm) 0 C4B on #063 1969-70 Honda PC50A,K (40km/h)3. Keihin (10mm) C5B on #063 1969-70 Honda PC50A,K (50km/h)3. Keihin (9mm) 0 C5A on #063 1969-70 Honda PC50 Little Honda3. Keihin (9mm) o F4A on #063 1970-74 Honda PC50K1, PF50 (40km/h)3. Keihin (10mm) F5A on #063 1970-74 Honda PC50K1, PF50 (50km/h).

1973 Honda PC50K1Before April 1970, the PC50 had a OHC engine (over head cam). The C4B, C5A, C5B carburetors for the early 1969-70 PC50A were spigot mount type, 16100-063-004. They had a round float bowl gasket (with three flat sides when installed), a long push-in jet, jet pad, completely round “donut” float, all metal float needle with replaceable float seat.After April 1970, the PC50 had a OHV engine (over head valve) with pushrods instead of a cam chain. The F4A, F5A, carburetors for the 1970-74 PC50K1 were flange mount type, but everything else was the same, round float bowl gasket (with three flat sides when installed), a long push-in jet, jet pad, completely round “donut” float, all metal float needle with replaceable float seat.

Keihin F4A carb, flange mountCarburetor: 9mm (F4A) (1970-74)Carburetor: 10mm (F5A) (1970-74)Main Jet: 55 (F4A), 62 (F5A)Idle Jet: 35Needle Jet: 2.1 x 2.5Float Needle: all metal 16123-063-004Flange Mount: 32mm hole spacing,2 x 18 (22 od) o-ring, goes in pipe not carbThe 1970-74 Honda PC50K1 carburetor is illustrated below. The illustration there belongs here. But that is where it came from.4. Keihin 0(9mm) PA 01A on 1975-77 Honda PC50K1 000 (40 km/h)4. Keihin 0(9mm) PA 01 and 1975-78 Honda PF50 Amigo (40 km/h)4. Keihin (10mm) PA 00A on 1975-77 Honda PC50K1 000 (50 km/h)4. Keihin (10mm) PA 00 and 1975-78 Honda PF50 Amigo (50 km/h)4. Keihin (10mm) PA M0A on 1978-80 Indian AMI50 oo o (30 mph)Late PC50: The carburetor changed from “donut” float to a swinging float, and a NC50-type float bowl and gasket.

The 1975-77 PC50K1 and 1975-78 PF50 engine and carb are the same as the Taiwan remake engine and Keihin carburetor used on the 1978-80 Indian moped. So the carburetor parts are the same also, with a couple of exceptions.PA 00A (16100-081-024) and PA 01A (16100-099-693) have the same parts. The jet size and venturi size are the only difference.PA M0A has the same parts, but has a screw-in jet, size 70, M6-0.75 threadFlange Mount: 32mm hole spacing, 2 x 18 (22 od) o-ring. 1980 Indian AMI-50Indian AMI50: The Indian AMI50 Chief four stroke moped engine, OHV with pushrods and internal pedals, made from 1978-1984, is a Taiwan-made copy of a “late” Honda PC50 engine, OHV with pushrods and internal pedals, made from 1975-1978.The Indian moped had three different carburetors, Tillotson (some 1978), Keihin (some 1978, most 1979-80), Mikuni (some 1980, all 1981-84). Only the Keihin parts are listed here. See for Mikuni items.The Keihin carb on Indian is the same as late PC50, except for the jet, jet pad, jet o-ring, and float bowl.

The mount holes are also 32mm spacing, center-to-center. PA M0A-A gasket set $18Float Bowl: This Keihin carburetor illustration from the Indian Parts Manual shows a round bowl gasket, a round detached float, and a different float bowl.

But the actual Indian carburetor has a #17 an NC50-type bowl gasket, #4 a swinging semi-round float, and #8 a Z50-type float bowl that is different from both NC50 type A shallow and NC50 type B deep float bowls.5. Keihin (10mm) BB 21A-B #148 on 1978-79 Honda PA50 I Hobbit (20 mph)5. Keihin (12mm) BB 20A-C #148 on 1978-80 Honda PA50 II Hobbit (30 mph)5. Keihin (12mm) BB 20A-C #GB7 on 1981-83 Honda PA50 II Hobbit (30 mph). 1978 Honda PA50IIHonda’s successor to the four-stroke PC50 was the two-stroke PA50, known in the USA as Hobbit, and in Europe as Camino.

It was made in Belgium by Honda Benelux, so it had a mix of Japanese and European design and componentry.In US models, 20mph versions were 1978-79 red. 30mph versions were 1978-79 yellow, 1980 yellow, 1981-82 red, and 1983 black.This Keihin BB type carburetor is not like any other moped carburetor.

It looks more like a Honda generator carburetor. It is a very flat design. It has to be special because it swings up and down with the engine, and is very close to the frame at the place where you step through. PA50 carb removalServicing: The best way to remove the PA50 carburetor is to hold the back of the bike up by either a rope tied to an overhead beam, or with a milk crate and blocks of wood. Remove the floorboards and side covers.

Unplug the ignition wires from the coil at the right rear. Pull them through and move them out of the way. Disconnect the decompression cable and the spark plug cap. Loosen the wiring clamps so there is slack in the wires.

Remove the lower rear shock bolts and the swing arm pivot bolt above the engine. Then the whole sub-frame can be moved away from the main frame, either by lifting the back of the bike up, or by swinging it around sideways.Note that the float bowl can go on two different ways.

The wrong way assembles normally, but causes the vertical brass overflow tube to contact the float. Honda designed all of the cleaning ports, drain screws, and adjustment screws to face the right side of the bike, which is the upper left in the exploded view. The drain hose spigot on the float bowl faces the same way as the adjustment screws.

The other way to tell is by shaking the carburetor. If you can hear the float rattling inside then the float is not stuck so the float bowl is on correctly.While every other moped carburetor is a sliding throttle valve type, this one is a swinging plate throttle valve. The reason is to be flatter, to get more clearance from the bottom of the frame. The manual choke is also a swinging plate, with an automatic release.Some servicing can be done with the carburetor installed. It is easy to clean the idle passages and jet by spraying a one second long burst of carb spray into the idle mixture screw hole, followed by compressed air. The running engine is allowed to consume the flammable solvent before the next burst is sprayed in, to prevent the engine from getting flooded.6. Keihin (12mm) PA08B-A or PA08B-B on #147 197 7-79 Honda NC50 Express6. Keihin (12mm) PA08B-A or PA08B-B on #163 1979 Honda NA50 Express II.

Keihin PA08B-A carb for 1977-79 NC50(missing the cable choke assembly)This carburetor has a throttle cable and a choke cable coming straight up and looping around. It has no vent hoses, vacuum hoses, or oil lines going into it. The oil injection goes into the intake manifold. The float reservoir vent is just a small tube slanting downward. The mount holes have a 38mm spacing, wider than the late PC50 flange mount baby Keihin.As with most Honda carburetors, fuel is never allowed to spill onto the engine or anything else. Instead an overflow tube inside the float chamber allows any overflow fuel to flow out and down the drain hose and onto the ground below the engine.The 1977-79 Honda NC50 and NA50 each had two carburetor versions, PA08BA and PA08BB.

Regardless of the year, or the VIN number, they could have either version. So the customer had to look at the model number stamped into the carburetor, and tell the Honda dealer that number, to get certain parts correct. PA 08B-A gaskets $2311.0x $5 16118-166-004 cable rubber boot substitute Dellorto12.0x $1 93500 – 04012 bowl screw M4x12 pan phillips13.0 25¢ 94111 – 04000 lock washer M4 split14.0x N/A 95001 – 35003 drain and overflow hose 3.5 x 7.014.0x $1 95001 – 35003 drain hose subst. 1/8 x 1/4 3.1 x 6.315.0x N/A 95002 – 02070 drain hose clamp B7 (for 7 not 6.3)16.58 $1299201-081-0580 jet push-in 58 (58 drilled) PA 03A-A16.70 $18 99201-081-0700 jet push-in 70 (58 drilled) PA 00A-A16.78 $18 99201-081-0780 jet push-in 78 (58 drilled) PA 08B-A16.0b N/A non-replaceable main jet, part of carb body PA 08B-B. 1977-80 NC50 cable choke top plastic substituteMain Jet: On a PA08BB the main jet is a tamper-proof tight press-fit type, in the center.

The jet cannot be removed, and cannot be replaced.On a PA08BA the main jet presses or slides in and out, and is supported by a rubber disk. If the disk is missing, the jet can slide downward, allowing fuel to get past the jet o-ring, causing a rich fuel mixture.Idle Hole Cleaning: Near the engine side of the carb body is a brass tube that dips down into the liquid gasoline. That tube, about 1.5 mm (0.060″) inner diameter and 20mm long, leads to the idle or pilot jet, which is about 0.30 mm (0.012″). The idle jet gets clogged from sitting, then the engine will run but won’t idle. Nothing but a very thin (0.010″) steel guitar string will clean it out.

See below about jet drills and cleaning tiny jets. Ultrasonic parts cleaners, carb spray, carb dip, and compressed air are not usually effective. Another way to clean out the idle jet is to 1) place a drill bit that fills the hole (so it does not get crushed), 2) clamp it with a small vise grips, 3) rotate back and forth while pulling, 4) when it comes out, the actual hole is easy to see and clean, 5) press it back in the same way it came out.Strong solvent is needed to dissolve varnish or tar residue left from years of sitting. Carburetor spray, parts dip, or acetone all help clean out the tar, sometimes with a lot of scraping, brushing or rubbing. Always remember to remove all rubber things first, to not let the rubber touch the solvent.

Strong solvents will swell soft rubber, deforming it. Never soak the whole carburetor in strong solvent. In this way, Shaun (at Royal Cyclery and later at Myrons Mopeds) has successfully cleaned out over 100 Honda Express carburetors, without ever replacing any of the rubber gaskets. Part of the reason was they were only sold at Honda dealers, but nonetheless, they are not needed in a normal service or clean-out.Keihin PA08C-A: This is approximately for a 1979-80 NC50, or maybe NA50. It is identical to a PA08B-B.

It has the same white float, non-stirrup float needle, fixed jet, 18mm top threads, and same gaskets. The idle mixture screw type is unknown. No photo available.7. Keihin (12mm) PA08E-A on #147 1980 Honda NC50 Express7. Keihin (12mm) PA08E-B on #147 1980 Honda NC50 Express7.

Keihin (12mm)PA08D-A on #163 1980 Honda NA50 Express IIOil injection hose location: The 1977-79 Honda Express had the oil hose going into the intake manifold, not the carburetor. The 1980 and later models had the oil injection hose going into the carburetor at the throttle slide area.

There must have been some benefit, like maybe throttle slide lubrication. PA 08E-A gasket set $27PA08E-A is the same as a PA08B-A, except for three things.(1) It has an oil injection small hose spigot on the side near the fuel hose spigot.(2) It has a 18×1 thread top cap, like a PA08B-B has.(3) It has a Idle Fuel mixture screw, like a PA15A has, instead of an Idle Air mixture screw. See below.All of the other parts are the same as PA08B-A (cable choke, push-in jet with o-ring, black float, stirrup needle, shallow float bowl with rubber pad holding the jet in). 1980-83 NC50 idle adjustment screws8.1 idle speed screw, tighter is faster6.1 idle fuel mix screw, tighter=leanerFloat Valve Seat: On these carburetors the float seat (the cup that the float needle valve slides in) is carved into the actual carburetor body, and is not replaceable. Polish it with a spinning Q-tip and polish, such as Turtle Wax.Choke jet: On deep-float-bowl versions, there is a choke jet, pressed into a corner of the float bowl. When it gets clogged the engine will only start easily when it is warm.Verify all jets and fuel or air passageways are open, using wires and or visually with carb spray (wear goggles).

Cable Differences: You can tell what year range a Honda Express is from a distance. A 1977 to 1980 has two cables, a throttle and a choke cable coming straight up from the carburetor. A 1981 has just a throttle cable coming straight up, but also a vacuum hose for the choke and a float vent hose. A 1982 to 1983 has a black plastic curved elbow on top, that redirects the throttle cable forward and down, a vacuum hose for the choke, and a vent hose. A 1982-83 also has a different frame, a low headlight, and a two speed transmission.The Honda Express throttle cable curves rearward and loops downward to get below the carburetor, and then goes forward into the frame tube. The loop design adds friction, but it makes a good clean step-thru frame without any cables or wires hanging out.The 1981-83 automatic choke plunger mechanism itself is not replaceable. PA 29C-D gaskets N/AThe float bowl gasket in the illustration looks like the NC50-type, but it’s not.

The actual gasket has an additional loop, for a vent and overflow. A “tall” float bowl gasket for a 1982-83 NC50 would work fine. Only if the float overflowed then some of the overflow would leak onto the carb instead of through the overflow hose and onto the ground.From measuring an actual PA 29C-D carburetor, the sizes can be displayed in the PA 29C-D gaskets photo. The PA 29C-D gasket set is not available but the PA15A-A gasket set can be a substitute. See above.Idle Mixture Screw: The idle mixture screw is an “air screw” that blocks off an air channel.Main Jet: The main jet is a screw-in, recessed-type, M6-0.75 thread, size 68 (0.68mm).Pilot Jet: The idle jet is not replaceable. It is inside the upper end of the brass tube, pressed into the main body, on the engine side of the main jet.Float Seat: This carb does not have a replaceable float needle valve seat. The seat is part of the main body, and must be cleaned and polished with a spinning Q-tip.Float: non-stirrup type white plastic 16013-147-004 see 6-4.0b, non-stirrup needle valve 16155-883-005 see 6-2.0bFlange Mount: The flange mount holes on the Spree carburetor are spaced 35mm, center-to-center.

That is different from the late PC50 32mm, and the NC50 38mm, and Z50 32mm (1976-78 38mm)Top Cap: M18 x 1 thread11. Keihin Z502 on #045 1968-71 Honda Z50A Mini Trail. 1970-75 QA50 and Z50A carb partsMain Jet: This carb has a “long” press-in jet, with a rubber pad disk under it.Pilot Jet: The idle jet is not replaceable.

It is inside the upper end of the brass tube, pressed into the main body, on the engine side of the main jet.Float Seat early: The 1970-73 carburetor had a screw-in float needle seat, that was replaceable, like in the illustration.Float Seat late: The 1974-75 carburetor did not have a replaceable float needle valve seat. The seat was part of the main body, and must be cleaned and polished with a spinning Q-tip.Float: no-stirrup metal-tip needle valve, swinging float 16013-114-004. Baby-stirrup-type float needlesAll replace 16011-881-741Left: China (bent and longer)Middle and Right: Honda newCarburetor part number 16100- 130-641Main Jet: This carb has a “short” press-in jet #58, with a rubber pad under it.Pilot Jet: The idle jet is not replaceable. It is inside the upper end of the brass tube, pressed into the main body, on the engine side of the main jet.Float Seat: This carb does not have a replaceable float needle valve seat. The seat is part of the main body, and must be cleaned and polished with a spinning Q-tip.Float: stirrup-type rubber-tip needle valve 16011-143-620 (superseded by 16011-881-741), black solid-foam swinging float 16013-099-691 (superseded by 16013-143-620). 1976-78 Honda Z50A carb kitD348 thick needle, #58 press-in jet(the jet support pad is not shown)Flange Mount: 38mm hole spacing, 2 x 20 (24 od) o-ringThe flange grew in 1976, from 32 to 38mm.The flange shrunk in 1979, from 38 back to 32.Carb Kit: Beware of low-cost carburetor kits.

In the kit at the right several things are wrong or made badly. 1) it is missing the press-in jet pad disk, 2) the jet o-ring was too big to allow the jet to press in. You can see it seems big in the photo. It was size 1.5 x 4 instead of 1 x 3, 3) the float needle was longer than stock, and the wire stirrup was bent badly in two ways. Difference between positivism and interpretivism pdf file. The throttle (jet) needle was D117 thin instead of D348 thick.Top Cap: At some point the Z50A top cap grew from M18-1.0 to M20-1.0 thread, like the NC50 one did in the late 70’s.14. Keihin (11mm) PA 03B-A on #181 1979 -81 Honda Z50R14.

Keihin (11mm) PA 03C-A on #181 1980-81 Honda Z50R14. Keihin (11mm) PA 03D-A on #181 1982-85 Honda Z50R14. Keihin (11mm) PA 03 D-A on #181 1986-87 Honda Z50R. 1979-81 Honda Z50R carburetorThis new model code 181 has a new carburetor 16100- 181-751In 1979 the model name changed from Z50A to Z50R, and the name Mini Trail was dropped.The 1979-later float bowl no longer has a press-in jet support pad disk 7.5 x 1.8mm.So small-type press-in main jets lasted 8 years, from 1970 to 1978, on the QA50 and Z50A. (The large type Keihin press-in jets lasted until 1983 on the GL1100 Gold Wing)For some reason in 1979 Honda wanted to make their jets tamper-proof. It’s funny that they went from one extreme to the other, from jets that fall out too easy, to jets that never come out. Both the NC50 and the Z50 changed to “fixed” jets (not replaceable) in late 1978 and 1979. 1982-85 Honda Z50R carburetorMain Jet: The 1979 PA 03B-A and 1980-81 PA 03C-A have a fixed jet, not removable, like the PA 08B-B and PA 08D-A.

The size is the same as the screw-in jet #58, 0.58mm (0.0213″). See the jet drills below, buy a #75 drill (0.021″), and a pin vise-holder, then twist it with your fingers to clean out the jet hole perfectly. Or use a piece of steel guitar string that same size.After 1981 the jet was a screw-in, thankfully, like in the illustration.Pilot Jet: The idle jet is not replaceable. It is inside the upper end of the brass tube, pressed into the main body, on the engine side of the main jet. 2004-09 Honda CRF50F carburetorThe gasket for this was in use for over 34 yearssince 1975 PC50, 1976 Z50A and 1977 NC50Service: Here is a good article about how to remove and clean the non-replaceable idle (pilot) jet.The CRF50F idle jet in that article did not crush when gripped lightly with a vise grip pliers. But some pressed-in idle jets have thin walls, or have a tighter fit that needs heavy clamping.

Those require a close-fitting drill bit or solid wire, be placed in the hole first, to prevent crushing the tube with the vise grips. It’s a good idea to do that always.17. Keihin carburetor parts for many small HondasCertain parts are the same on many different models.Float Needle Valves: There are two float needles for most, but not all, 50 to 110cc Hondas. Most other float needles are bigger than these, but look the same in photos. These are the “baby” ones, with rubber tips.

Manuals are downloaded as PDF files. Some are very large and might take some time to download, depending on your internet connection. Please do not distribute these manuals. Instead giving out the link to this web page would be appreciated. Link is as follows: https://www.carburetor-parts.com/Carburetor-Manuals_ep_274.html

Please keep in mind that these manuals may span several carburetor models and may not be your exact carburetor. Use these manuals as a general reference only. Don't forget to visit the technical pages for your specific carburetor. More manuals for specific carburetors may be available there.

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