Question about 1974 Norton John Player

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How to set carb screws on 1974 norton w/ anvil carbs?

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Hi
Do you mean Amal carbs if so what model are they ?
Ride Safe
Bike-Doc

Posted on Aug 03, 2010

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CARB ADJUSTMENT


The Float adjustment usually involves carefully bending a tab against the needle valve where the fuel enters the float bowl. Since the float, "floats", there is no external adjustment. The float should close the valve at a specific height, and open as the fuel level drops, thus controling the level of fuel in the bowl, which in turn controls the amount of fuel being ingested by the carb. As for cleaning, any over the counter fuel system cleaning additive will help with that, from any auto parts store.

May 11, 2013 | Motorcycles

1 Answer

1974 Yamaha RD250 carb screw settings


Hi, Anonymous for this scenario you will need your service/owners manual if you can not find the first and best tool you ever bought for your Harley, despair not, for a mere zero $ you can download another one. For more information about your issue and valuable "FREE" downloads that you will need please click on the links below and for more specific information or questions at no charge please feel free to contact me at xlch@mail.com. Good luck and have a wonderful day.
Seriously setting idle speed with what
RD250 Carb Disassembly
Yamaha 1970 HS1 Service Manual
OEM parts for Yamaha
http://mybikemanuals.com/yamaha/yamaha-rd-owners-manuals

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e


Aug 19, 2012 | 1974 Yamaha RD 250

2 Answers

Hey I have a 1974 Honda CB200 which runs with two carbs but i am having difficulty in tuning them right . fuel efficiency is poor . So i want to ask you if i can replace those two carbs with one carb like...


The power would not be changed. If the distance between the intake ports is the same, you should be able to do the swap. That air filter will need to be changed also. Before you spend money, how about spending a little bit of time instead? Remove the carbs then remove the float bowl at the bottom of one of the carbs. Only work on one carb at a time. Remove the air and the throttle screws. Now use spray carb cleaner to clean the inside of the carb. Spray into every fitting and drill hole you can find. Spray from both ends of a fitting or hole if possible. Put the float bowl back in place and then put the air and throttle screws back in. Turn them inward until they LIGHTLY seat. Noe turn each of them outward one and one half turns. Now clean the other carb the same way...
Mount the carbs back on the bike. First, synchronize the two carbs so that the slide in the center of both carbs begins to raise at the exact same moment when the throttle is twisted. The motor is turned off for this adjustment. Use a mirror to see the slides when the throttle is gently turned. Adjust the cable fitting on top of the carb that is latest to begin to lift, turn the fitting outward. Start the bike and then adjust the throttle screws equally to set the idle speed. It would be a good idea to balance the carbs also. I can tell you how in a reply. Answers that are too long get cut off by Fixya.



Aug 15, 2011 | 1974 Honda CB 200

2 Answers

Ive been looking on ebay but all i find are 1978 crab kits i have a 1974 . will a 1978 carb kit work ?


Difficult one this ,if the carb numbers are the same, found on the side of the carb then you have a good chance ,but the jet sizes may differ do you have the original carb to transfer the jets.Sorry cant be more help. Pay particular attention to the choke size ,the hole through the middle,this size is usually part of the carb number eg 28.

Mar 03, 2010 | 1974 Yamaha DT 360

1 Answer

Can you put a 1977 carbs on a 1974 t650x


I SUPPOSE ANYTHING IS POSSIBLE BUT IS IT FEASABLE? WHAT WILL YOU HAVE TO CHANGE TO DO IT. IF THE CARBS ARE THE SAME YOU SHOULD HAVE NO PROBLEMS.

Oct 20, 2009 | 1974 Yamaha TX 650 A

1 Answer

74 Commando.Only starts w/choke,idle ok,stalls once its in gear.


clutch needs adjusting on the lever also on the carb will be a mixture screw turn this out 1/2 a turn to allow more fuel in when choke is off get back to me if no difference 87dcd2d.jpg

Sep 22, 2009 | 1974 Norton John Player

1 Answer

I have a '74 dt-175. Was running fine.


loosen off the screw that you tightened up, sounds to me like the needle and seat valve is dirty, you will need to take the carb apart and either clean it well or put a carb kit in it.Very inexpensive and your carb will work much better. what is happening is the needle and seat are sticking and causing the carb float not to work properly, the float stays down and the carb continues to fill with gas, causing it to flud out.

Aug 13, 2009 | 1974 Yamaha DT 360

1 Answer

I have a 1974 buick Apollo with a 2 barrel carb stalling problem


sounds like the idle screw on the linkage is not set correctly.

Jul 11, 2009 | 2006 Fiat 124

1 Answer

1974 Yamaha TX650A


hi this means the carb or carbs are over flowing maybe the float is stuck or the float needle and seat needs replaceing give them a strip down a good clean may cure it
cheers jay

Jun 29, 2009 | 1974 Yamaha XS 650 A

1 Answer

Left cylinder won't fire...bike stalls in 3rd gear...


Check for spark on both cylinders. Chances are it has been years since anyone paid attention to the ignition points. Download a free PDF service manual at the site below. Get the 15th manual from the bottom of the Honda list. Yes, it is a 250cc manual but the points and timing are the same as the 200cc. It is the nearest free manual I could find. Google " service manuals honda " or try your local library. Often guys will donate manuals to the library.
or go to www.repairmanuals.com

FREE > http://www.carlsalter.com/motorcycle-manuals.asp

Also Google " vintage honda parts "

If the gas tank is rusted inside then line it with a liquid liner. Google kreem fuel tank liner “ or go to www.http://www.4secondsflat.com/Fuel_Tank_Sealer.html

Drain the carburetors. There may be a screw on the lower side of each carb float bowl. Remove the screw then replace it after the fuel drains. Remove the water trap bowl at the bottom of the petcock, (gas valve). Is there any water or trash in the bowl? Drain a cup of gas from the tank. Is there any water or trash in the cup? Dump it, clean it and re-mount it, (not all bikes have a water trap bowl). Install an in-line fuel filter. Turn the gas back on and wait a minute for the carbs to fill with gas. Install new stock NGK spark plugs and try to start the engine. If the bike doesn't start and run properly then shut off the gas and remove the carburetors from the engine.

FOR EACH CARB > Remove the float bowl and clean the entire
carb with a spray carb cleaner from the auto parts store. Wear protective goggles to avoid getting spray in your eyes. Spray into all the little airways and fittings in the carb. Remove the idle screw and the air screw on the outside throat of the carb and spray into the screw holes as well.
< < READ CLOSELY > >
Be sure to put these two screws back in the same hole they came out of. IMPORTANT > do not tighten these two screws down. Only screw these in until they LIGHTLY seat. Now turn each screw one and one half turns outward. Put the rest of the
carb back together, clean the air filter and install the carb. Let the float bowl fill then start the engine.

Please rate this solution. Thanks earthworm03!

Apr 19, 2009 | 1974 Honda CB 200

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