1980 Yamaha GT80 --1979 Yamaha GT80 --1978 Yamaha GT80 --1977 Yamaha GT80 --1976 Yamaha GT80 --1975 Yamaha GT80 --1975 Yamaha GT80 MX1974 Yamaha GT80 --1979 Yamaha GTMX --1978 Yamaha GTMX --1977 Yamaha GTMX --1976 Yamaha GTMX --1974 Yamaha GTMX --, Main Jet:#90Idle(Slow) Jet Size:#38Needle:Y66Seat:1.4. 
Throttle stop screw: Turn throttle stop screw in or out to achieve smooth engine operation at (idling speed: 1250-1400 rpm. Please compare it to what you need to make sure it is the correct kit for you. The manifold is still there luckily, but I really need to find something that will work- something that is compatible. Fits: Diameters 69-72mm. The Yamaha GT80 B was a single cylinder, two-stroke standard produced by Yamaha in 1975. Float height: 22.0 mm +- 2.5mm (.87 +- 0.1 in) To correct the float height, remove the float assembly and slightly bend the tang as required. Is this right? Please consider joining our community! Used to measure the float height between the float and carburetor gasket surface. Damineding Moto. Universal Band Clamp for Carb Holders or Air Boxes
Took me a while to figure that one out. It could reach a top speed of 57 mph (91 km/h). yamaha gt80 1974 usa 1973 carburetor gtmx gt1 parts list lists cmsnl estimated time is counted by working days. Adjustable Width: 16-78mm and Adjustable Height 0-40mm. html, body, div, span, applet, object, iframe, We ship to ebay or paypal confirmed address only. (4.76"-5.00") Diameters, Band Clamp for Air Filters, Airbox to Carb Joints, Custom Manifold to Filter Joints and all purpose uses except carb holders. The word "Yamaha", the tuning fork logo or other trademarked logos and all other product names are, or may be, trademarks or registered trademarks of Yamaha Motor Corporation. Im sure its not ideal compression but I think it should be enough for it to fire up. 
(1.77" - 1.92"), Universal Band Clamp for Carb Holders or Air Boxes (3.11"-3.35") Diameters, Band Clamp for Air Filters, Airbox to Carb Joints, Custom Manifolds to Filter Joints and all purpose uses except carb holders. Pilot air screw: Turn air adjusting screw until it lightly seats, then back it out 1-1/2 turns. Any help is much appreciated! gt Too little or too much fuel in the float bowl will negatively affect tuning results. Im going to go get a compression tester. Think it may be intended as a replacement. The use of the word "Yamaha" or any specific model designation is purely for informational purposes to assist users of this site and in no way indicate any endorsement by or approval of this site by Yamaha Motor Corporation. If you don't want to do that, at least have a machine shop measure the "ovalness" of the cylinder so you know what you're dealing with. carburetor gt80 h6 BTW on the top of the piston it says .50mm which I am assuming means .50mm over standard. Adjusts with a screwdriver. Fits: 115-121mm. There are other charts floating around the Web that aren't even close. I ran it down a hill and tried to bump start it. I've used the chart and it seems to work well. I got away from it and now my son is ten and am getting back into it with him. 10X---3.50mm--30.00mm----------10X---3.50mm--50.00mm. 13X---2.50mm--22.00mm----------10X---3.50mm--31.00mm
Think about it, 80 PSI (lousy for most bikes) is like holding an 40 lb weight with your thumb. Fits: Diameters 66-69mm. 10X---3.50mm--22.00mm----------10X---3.50mm--36.00mm ). Working as fast s we can to fix. I had a brand-new looking plug a PO had stretched the gap out really far. Are some of the inside part #'s the same across various carbs? New, High Quality part, built just for the CB750K. So my most recent project that I am working on is a 1974 Yamaha GT80A. You need to find the specs though, this machine may be normal at 105. Note: The pilot air and throttle stop screws are separate adjustments but they must be adjusted at the same time to achieve optimum operating condition at engine idle speeds. Here is the update. I had an SWM 320 that would run fine and then wouldn't start it was usually the points.
NOTICE: If you are not a free registered member of the site, you will not see the photos in the forum, andyou won't be able to access our premium member content. Fits: Diameters 78-80mm.
Not sure of the interchangeability. Im going to retest the compression. We will always try our best to satisfy you. So I finally got it started and warmed it up for about 5-10 by lightly blipping the throttle.
**Due to the Disease, there might be a small delay in delivery.
(3.35"-3.58") Diameters, Band Clamp for Air Filters, Airbox to Carb Joints, Custom Manifolds to Filter Joints and all purpose uses except carb holders. I've rebuilt 3 old Keihins recently, and believe me, I feel your pain. If the distance is not correct , adjust the float height to the specification. Not much information besides that on setting the two screws. My dad used to buy junk, fix em up and sell them. Fits: 121-127mm.
20X---1.78mm--4.47mm------------13X---2.62mm--12.37mm Includes 20 steel wire ends designed for cleaning the tiny holes found in carburetor jets. Hold the floats with tang just touching the float needle, measure the distance from the top of the float to the float bowl surface (gasket removed).
Could someone tell me exactly what the screws do and maybe suggest some settings? On the side I got around 105-110 psi. I have looked for specs and all I can find is stuff similar to my bike (the only thing I can see is compression ratio 6.8:1). Makes synching your carburetor setup fast and easy! gt80 1974 yamaha kit You may be able to make one work. I haven't checked the compression with a guage. Is this one of the odd-ball dual-spark plug single cylinder machines?
Hoses & Threaded Adaptor Set Included.
Fits: 73-79mm. The wrong parts jets/needle etc are in the carb, 80-_W0QQcmdZViewItemQQhashZitem2564506d36QQitemZ160596782390QQptZMotorcyclesQ5fPartsQ5fAccessories'>http://cgi.ebay.com/ebaymotors/CARB-CARBURETOR-CARBIE-CARBY-1974-74-YAMAHA-GT80-GT, 80-_W0QQcmdZViewItemQQhashZitem2564506d36QQitemZ160596782390QQptZMotorcyclesQ5fPartsQ5fAccessories. I feel like while the compression should be better, it should be enough to at least start. Also, check your plug gap. 20X---1.78mm--2.90mm------------13X---2.62mm--9.19mm I was trying to figure out where the tiny ball bearing I dropped when I took it apart went.
If they are badly pitted time to replace. I decided to be proactive and look into the top end. Note: This picture is of the Actual kit you will get. 23X---1.50mm--13.0mm------------14X---2.50mm--16.00mm ok. got the compression tester. Clearly presented text is fully illustrated with photographs and diagrams. Some 1960's Yamahas (especially rotary valve models) used that kind of "clamp on" carb. The bike wouldn't kick-start but would always push-start. Come to think of it, I have.
I have a few other charts as well, and they are useless. On the low side I got 90psi. I checked the engine compression and it was only 30. This Motorcycle Has been in production since 2008 To the Present. I'm not too keen on buying carbs on ebay, as their apt to have a lot of the same problems; worn float valves and floats that don't float. Here is what I found. A while back I compared the jetting of a bunch of 125cc and 175cc Jap bikes using Keihin and Mikuni carbs, and as I recall that chart corresponded pretty well to the OEM jetting sizes (I had the same info in a Word doc). I just bought a 1973 G. Its either an 80 or 100. https://www.cyclechaos.com/w/index.php?title=Yamaha_GT80&oldid=191212. I have taken the carb on and off about 6-7 times. Fits: Diameters 45-47mm. We reserve the right to refuse refunds or exchanges on items that are returned in unsatisfactory condition.
OEM Ref # 367-14390-14, Universal Gear Clamp for Carb Holders or Air Boxes. I then decided to turn it off.
Easy fix, its air air cooled mini, couple nuts and the entire cylinder is off. QTY---Width----Inside Dia.---------QTY---Width-----Inside Dia.
In the meantime, the forum should function, but you wont be able to attach images. You will receive a reminder when the product becomes available 10X---3.53mm--20.22mm----------10X---3.53mm--32.92mm This can be done with the engine off. Carburetor Cleaning Tool Set. gt80 Any recommendations on where I should go next to get the compression higher? Also one more thing, there is gear oil leaking I believe from behind the small sprocket.
10X---3.53mm--26.57mm------------7X---5.34mm--37.47mm A 47.0mm bore x 42.0mm stroke result in a displacement of just 72.0 cubic centimeters. Before you leave us a negative feedback, pls give us a chance to reslove the problem. Thanks for the input. How are you doing the test? 10X---3.50mm--28.00mm----------10X---3.50mm--47.00mm This is obviously a fuel problem in my mind. What about adapting intake / reed boot to newer carb, remove factory air box, and running k&n right off carb?
Which makes it more frustrating. 10X---3.53mm--29.75mm------------7X---5.34mm--43.82mm, 419pc O-Rings Kit with Plastic Case. Pull the barrel, it needs rings at a minimum and a bore, piston and rings worse case. So it looks like im going to replace the top end. I'll bet you a dozen donuts the top end is smoked causing the compression and poor kickstarting. If you just don't need the item anymore, pls start the return process on ebay, (view your purchase history / more action / return the item / I dont need it anymore). Please check with customs office of your country to determine what these additional costs will be prior to bidding or buying. (2.67" - 2.87"). 10X---3.50mm--26.50mm----------10X---3.50mm--44.00mm I just bought a GT 80. By continuing to browse our site you agree to our use of data and cookies. Buyer is responsible for import duty/ tax if applicable. 18X---2.00mm--5.00mm------------13X---2.50mm--19.00mm When I got it home I was having trouble starting it. Combined Shipping for expedited shipping, pls message us before or after placing orders. Honda C Yamaha RD350 Review Overview : Yamaha RD350 Is One Of The Most Performance-oriented bikes in The World.
For easy removal of 5/32" to 1/2" hoses.
Fits: 37-43mm.
This should be enough compression to at least fire right? 23X---1.50mm--10.0mm------------13X---2.50mm--14.00mm Looks pretty scoured. Due to the extraordinary growth of the membership and resources, we are once again bumping up against hosting limits. | Yamaha GT80 (1977-1982). Includes 4 Feet of 1/4" fuel line and an inline fuel valve with 1/4" inlet and outlet. Please contact us through eBay anytime and we will reply you within 24 hours(weekend excluded). I am at a loss. I'm in process of measuring to see if mikuni 18 will fit. So you will get email everytime we post something new here, We guarantee you won't get any other SPAM. Fits: 103-109mm (4.00"-4.29") Diameters, Band Clamp for Air Filters, Airbox to Carb Joints, Custom Manifolds to Filter Joints and all purpose uses except carb holders. I used to carry abrasive paper to clean them with. Item(s) will be shipped by Air Parcelwithin 1 business days after full payment received. Thanks. A Must For Setting Hidden Fuel Mixture Screws Accurately And Quickly. Depending on the year it may still have points. It started via full choke and a twisting of the throttle. For use when tuning a motorcycle with the gas tank removed. I helped and got to ride whatever we had around that was running and had my own bikes. Once again thanks for any help. I've got two bikes with obsolete carbs and am frustrated with how to rebuild or replace them. Are their adapters to upgrade carbs? Fits: Diameters 46-49mm. It popped my finger right off. webike gt80 mikuni kitaco rd50 carburetor Fits: Diameters 50-52mm. Did another compression test and managed to get 115 psi. Max torque was 4.5 ft/lbs (6.1 Nm) @ 7200 RPM. 11" long tool with a 8mm hex nut and screwdriver slot adjusting bolt.
Both Floats must be the same height.
Here is a good chart to convert jet sizes to and from Mikuni and Keihin. Copyright of Damineding Taiwan. Universal Band Clamp for Carb Holders or Air Boxes Once its going and warm it works awesome. Our customer service representative will guide you the returning procedure for replacement. I dimensioned my TK and comparing it to the modern Mikuni's it turns out that the VM16, Mikuni's smallest, is the exact same dimensions all around. Did you try starting fluid? (2.20" - 2.40"), Universal Band Clamp for Carb Holders or Air Boxes Would it prevent it from scouring the piston like the old one? (2.64"-2.87") Diameters, Band Clamp for Air Filters, Airbox to Carb Joints, Custom Manifolds to Filter Joints and all purpose uses except carb holders. Universal Band Clamp for Carb Holders or Air Boxes Its a 1980 so no points as far as I know. del, dfn, em ,img, ins, kbd, q, s, samp, 3. Yamaha has taken a very brave step as a Ja Yamaha YB 100 Review Overview : Yamaha YB 100 Is One Of The Most Performance-oriented bikes in The World.Yamaha has taken a very brave st Honda CD200 Roadmaster Bike Is Most Popular Bike in Developing Countries like Bangladesh, Pakistan & South Africa. For use with Honda, Kawasaki, and Suzuki models (which typically have 5mm connections) that use sets of 2 carbs. It is a solid bike, but unfortunately its carburetor is missing along with the rubber hose which connects to the carburetor and airbox.
A blog is a great place to share details on your products, business and whate You need to be a member in order to leave a comment. Is this why is was scoured up? Think, if the crankcase has a breather hose or vent, which it does, you cannot have an air leak from the crankcase, only from the crank seals. if they are dirty/pitted then clean them with a business card rubbed between the closed points. carburetor The float bowl gasket I think. I cleaned the carb last night and then went this morning to do a little more work on it. Did you use a carb rebuild kit? The overbore isn't excessive, I don't think that caused your problem, however, if it was not done correctly, it could. We use data about you for a number of purposes explained in the links below. Hence my pension for the old bikes.
I will have to find a pdf to something converter so I can upload the whole article to this site. Went to the hardware store to get some stuff and let it cool down. Single cylinder, single carb.
Check it out. Includes 4 easy to read gauges, Mountable bracket, 180mm extensions - 5mm threads, 65mm extensions - 5mm threads,Necessary hoses, Dampening valves (included to help control needle jump) and instructions. gt gt80 carburetor rebuild carb yamaha mx repair kit If anyone could help me with some carb settings it would be great. The GT80 B was fitted with a 1.3 Gallon (4.92 Liters) fuel tank. gt80 (2.48" - 2.63"), Universal Band Clamp for Carb Holders or Air Boxes 2 Guage Sync Guage Set With Pulse Damper Adjusters When you buy through links on our site, we may earn an affiliate commission. You will receive a reminder when the product becomes available. View unanswered posts | View active topics, Board index Questions & Answers Honda CR, MR & MT, Users browsing this forum: No registered users and 10 guests. 20X---1.50mm--3.00mm------------13X---2.50mm--11.00mm Thanks for your patience. Yamaha DT250 Carburetor Carb Repair Rebuild Jet Seal Kit, Yamaha Carburetor Rebuild Carb Repair Kit Jets Gaskets DT400 DT400E DT 400 NEW, 3 X Suzuki Carburetor Rebuild Carb Repair Kit Suzuki 73-77 GT380 Sebring GT550, Yamaha Carburetor Rebuild Carb Repair Kit Jet Gasket TX500 XS500 TX XS 500 NEW, Suzuki Carburetor Rebuild Carb Repair Kit Suzuki 73-77 GT380 Sebring GT550, Yamaha Carburetor Carb Repair Rebuild kit XJ650 XJ 650 4K0 1980-1984 HSC32, Yamaha Carburetor Rebuild Carb Repair Kit Jet Gasket XS400D XS400 XS 400 400D, Carburetor Carb Rebuild Repair Kit YAMAHA RD 250 LC RD 350 LC YPVS RZ 350, Yamaha 80-82 XS400 Carburetor Carb Rebuild Kit XS 400, Yamaha RD500lc Carburetor Carb Repair Kit 84-85 Rd500 lc RZ500 carburettor, Yamaha Carburetor Rebuild Carb Repair Kit 80-81 Special 81 XS1100 XS1100L, UNIVERSAL Spark plug protector case container spare part holder. 10X---3.50mm--20.00mm----------10X---3.50mm--34.50mm All made in Taiwan. You would be amazed how many times that fixes things LOL (It happens to all of us.
a, abbr, acronym, address, big, cite, code, That leak from the sprocket just means the counter shaft oil seal needs replacing. Its really simple. check your compression.
Also the vent lines. Fits: 79-85mm. Lot of fun. 20X---1.78mm--6.07mm------------13X---2.62mm--15.54mm Am I wrong? Most Of The Bike Love Honda CMX 500 RebelReview Honda CMX 500 Rebel Model is a Cruiser Class Motorcycle Manufactured by Honda. carburetor pw80 - Makotosun. I put some oil in and got the compression to 60.
carburetor gt80 The bike weighed just 130.07 pounds (59.0 Kg). Suzuki GSX 125 Key Features ENGINE Displacement 125cc MAXIMUM POWER7.8ps@9000rpm MAXIMUM TORQUE9.2 2-stroke engine air-cooled Single Cylinder, TVS Raider 125 Price in BD, Review, Specifications, Photos, Mileage, Top Speed & More, Honda CB1000R Specifications, Review, Top Speed, Picture, Engine, Parts & History, Yamaha RD350 (Japan) Specifications, Review, Top Speed, Pics & Mileage, Honda CB1100 (EX, DLX, RS) Specifications, Review, Top Speed, Picture, Engine, Parts & History, Yamaha RX-S 115 (Japan) Specifications, Review, Top Speed, Photos & Mileage, Yamaha YB 100 (Japan) Specifications, Review, Top Speed, Engine & Parts, Honda CD200 Road Master (Japan) Specifications, Review, Top Speed, Engine & Parts, Honda CMX 500 Rebel Specifications, Review, Top Speed, Picture, Engine, Parts & History, , Suzuki GSX 125 Price in BD, Specifications, Photos, Mileage, Top Speed & More. Power was moderated via the wet plate. Fits: Diameters 41-44mm. MX250 Float Height (overflowing causing runaway id Crosspost: CT2 Top end with new VM26 carb, 1972 Jt1 Yamaha mini enduro Clutch spring help, 1972 Yamaha LT2 - Restoring the Original Wiring. I picked up a service manual for my 1979 GT80 and this is what is says on doing the adjustments. Yamaha has taken a very brave st Honda CB 1100 Model is a Standard Motorcycle Manufactured by Honda. Nothing to do with starting problem. Fluid Hose Clamp, all steel construction with adjustable locking collar. I've got an old yamaha gt mx 80 with a tk carb, an oddball. QTY---Width----Inside Dia.---------QTY---Width-----Inside Dia. Is there a possibility that is why it is not starting. This combo design allows unlocking of the locknut, adjustments to the balancing screw and re-locking the lock nut in one step. By Haynes Fuel Systems Techbook. It worked like a dream. h1, h2, h3, h4, h5, h6, p, blockquote, pre, Carb Synchronizer **, Central/South America(Mexico / Brazil): 35~55 working days, Shipping from China/Hong Kong/Taiwan to worldwide. Could I use a carburetor off lets say a other Yamaha or even another brand? Neither are connected to anything.
I actually rode it around the yard a bit. I have one on the bottom/floats and one on the side. 20X---2.00mm--4.40mm------------14X---2.50mm--18.00mm (1.45"-1.69") Diameters.
Does anyone have any ideas on where I can find a compatible carburetor for my GT80? If you receive any defective item(s) on arrival, please kindly contact us within 60 days after receiving.
This page was last edited on 23 November 2019, at 20:06. Portable Auxiliary Fuel Tank, for Non Fuel Injection Systems. It goes over how fuel systems work and are tuned to suit all engine conditions. gt80 carburetor Thanks for the info Ray. It should start on 115 psi compression. All rights reserved. 10X---3.53mm--18.64mm----------10X---3.53mm--31.34mm
What could the hard start be attributed to.
Several minutes later it fired right up.
), The cylinder looks great. Step by step pictures show precisely how to perform many tasks. klampton317, Doesn't look very good. It looks a lot like the mikuni 18, maybe that's what it really is. I didnt try starting fluid because there has to be something deeper going on.
The front suspension was a inverted forks while the rear was equipped with a non-adjustable dual shock. It's probably a good idea to step up to 1.0 simply because you don't know the history of the bike. It didnt die and idled really nicely. Am I missing something?
Hose Remover Pliers. 1. The standard method is to screw in the tester, open the throttle the whole way and kick it until the needle stops moving. In my mind one of three things is going on. Would like more info on the topic if anyone has any insite.
Carburetor and throttle body synchronizer kit for bikes with 2, 3 or 4 Cylinders. I would like to know if the chart is ledgit or what. Fits: Diameters 60-65mm. I did some more tinkering with it today. Fits: 91-97mm (3.58"-3.82") Diameters, Band Clamp for Air Filters, Airbox to Carb Joints, Custom Manifolds to Filter Joints and all purpose uses except carb holders. It sounded like it wanted to start and then choked out.
Fits: 109-115mm (4.29"-4.53") Diameters, Band Clamp for Air Filters, Airbox to Carb Joints, Custom Manifolds to Filter Joints and all purpose uses except carb holders. Does anyone have a ballpark idea of what the compressions should be? rebuild carburetor gt80 1974 yamaha kit needle portable motorcycle Fits: 43-49mm. Works with Mikuni or Keihin carbs. If is push starts easily but wont fire with the kicker your compression is prob low. 10X---3.50mm--23.50mm----------10X---3.50mm--38.00mm June 8, 2011 in Vintage Dirt Bikes.
carburetor raptor Yes, the pressure of a bad cylinder is still enough to push your finger. 1963 YG1-T, 1965 MG1-T, Allstate 250, 1970 CT1b, 1971 R5, 1973 AT3MX, 1974 TS400L, 1975 RD350, 1976 DT175C, 1976 Husqvarna 250CR, 1981 DT175G, 1988 DT50, 1990 "Super" DT50, 1991 RT180, 2017 XT250.
What should I have these set at? Carburetor Adjusting Tool. Fits: 67-73mm. **Pls ignore the ebay estimated date for delivery, it always shows a longer time frame. Really appreciate it. I think that is enough to rule out a compression problem. This site is not affiliated with Yamaha Motor Corporation. does it push start easily? This Motorcycle Has been in production since 2010 To the Present. Was helpful. yamaha gt80 1979 usa carburetor parts lists list
