Triumph Carb Sync & PIlot Adjustment

Triumph Carb Sync & PIlot Adjustment
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[@fwh79FOXR6]

Precision Screwdriver Set: amzn.to/2Zr7RKE Motion Pro Syncpro Tool: amzn.to/2ZsN1KI LED bulbs: amzn.to/2KqCCsz Pressure Gauge: amzn.to/2lgi2SU Shorty Pressure Gauge: amzn.to/2lhIOKL Inflator: amzn.to/2ljh7kN JNC jump box: goo.gl/rHjs1u

[@clydemurray4050]

I have an 05 triumph America. Thank you very much for making this video. According to the manual the pilot needle valve is one and a half turns. When I took my carbs off and this is a brand new bike from the factory each of the cards returned out approximately four turns. Right now I’m at five turns and it seems to be running a lot smoother and not so much backfiring. I am quite interested in the fact that you ended up with seven turns. I guess if there’s any puffing or ker- chunking I can turn it out a few more turns. Again thank you for the video

[@fwh79FOXR6]

Clyde murray: You're welcome and i'm glad you like the video. One of the best ways to check your air/fuel mixture, is to use the choke. Take the bike for a nice long ride (at least 10 miles) to get her fully warmed up. Then when you get home, with the bike still running, pull the cold start choke on. If the engine dies, the ratio is most likely good (running too rich of a mixture will cause the engine to die very quickly as the choke is pulled on). If the engine does not die and the RPMs increase, the mixture is lean. I personally think these bikes need a jet kit. I keep bugging my buddy to try and find one but he seems really happy with the way his bike is running. I would also recommend doing a carb sync. Makes a huge difference on most bikes.

[@jroyce3622]

Thank you for this video. I have a 2001 T-bird with lean running issues. Going to give this a try. Thank you. JR

[@fwh79FOXR6]

J Royce: You're welcome. Please come back and let us all know how it works out for you.

[@jroyce3622]

Pulled the carbs. Backed the screws out 4 turns. The carbs have been cleaned twice in the past month. Starts fine. Can’t get it off choke. Have to leave it on about a quarter. Below 2,000 rpm it pops and idles roughly. I can take the choke off above 2,000 rpm. The tank has been cleaned. Had no rust or dirt. Running 89 octane 100% gasoline. Fresh. This all started after the bike had set for a year. Any suggestions? Thank you JR

[@fwh79FOXR6]

@@jroyce3622 I would try turning the pilot jet needles out one full turn on each carb and see how she runs. You may need 2 or 3 more full turns out. Just gonna need to spend the time setting up the pilot jets. That should fix it. Let me know how it goes for you. I feel like these bikes really need an aftermarket jet kit. However, pilot jet adjustments seem to provide a decent solution. I would also highly recommend using a fuel stabilizer every time you fill up. At the very least, use it when you fill up your tank for the end of the riding season. I like this product: Stabil 360 Marine: amzn.to/2CuokGb

[@StarCannibal]

It goes under the seat. It covers the wiring and connectors next to the airbox intake.

[@fwh79FOXR6]

StarCannibal: Thank you, my buddy figured it out about a week after we made this video. Appreciate your help though!

[@alsilverman5084]

NIce job on the carbs. But I didn’t help me find out what you were adjusting to actually sync the carbs. It would be helpful if you can coach your buddy with the camera to get shots of things the rest of us need to see so you videos can be as helpful as possible. I’m sure that’s why you posted it. Keep up the good work. Ride safe.

[@fwh79FOXR6]

Watch at 26:26. There is a screw on the linkage that connects both throttle blades. I point out that screw and explain that I will make a better video of the sync soon. I hope that helps.

[@burgessfamilyvideos]

My 2008 Triumph Scrambler has no such way to take screwdriver to sync. There are NO screws under my carbs anywhere.

[@fwh79FOXR6]

Some pilot adjustment screws are covered by cap to prevent "tampering"... thank you EPA. You need to carefully drill a hole in the cap and remove it. Check out this video: kzbin.info/www/bejne/f6qzgYF7pbqsgKc

[@PieOhTor]

I have a 04 speedmaster. I bought the same gauge as you. Calibrated it and turned that middle screw on the carbs to sync them. The carbs evened out. But my gauge read alot higher than yours. I counter 7 dashes up. Mines was around 11 12. It runs good at low idle and low rpm. But once you get the bike nice and warm. The high gears and rpm it studders ALOT. And the throttle response is laggy. Any ideas what my issue could be. Only 10k miles. Also. Those pilot screws. When you turn them out, that richins the mixture? Seems like when they get turned in there is more fuel burnt. Anyway. Thanks for your time. Your videos were very helpful to begin with. I'm almost there, almost riding.

[@fwh79FOXR6]

Peter Las: You're welcome. Sounds like your bike is running a lean air/fuel mixture. You need to enrich the mixture with the pilot jets. Some pilot jets will enrich when screwed out and others will enrich when screwed in. You can hook up your vacuum gauge and adjust the pilot jets one at a time. You are looking to get the highest vacuum reading you can get on both carbs. Then finish up by syncing the carbs again. Always make these adjustments with a fully warmed up bike and be sure to use a fan to keep the bike from melting down.

[@PieOhTor]

@@fwh79FOXR6 So turning them out richins the mixture. I think I finally got it! Might be running just alittle rich. The idle doesnt sound exactly like I'd want it to. But no more popping, throttle lag, and studdering. Thanks for the help man.

[@drweelz]

Thanks for making this video! I’ve got a scrambler with the airbox removed and open pipes. We’re you adjusting the idle mixture screw when you were using the gauges or was that something else?

[@fwh79FOXR6]

Weels Groundcare: You're welcome. No, I was adjusting the vacuum balance between the two carbs. Which is commonly referred to as a "carb sync" or carburetor synchronization.

[@drweelz]

fwh79 right! Ok so that’s the little Phillips head screw that’s between them. But earlier on you were using a small screwdriver and adjusting something on the bottom of the carb. When I did my mods, It was recommended that I adjust the idle mixture screws using a D tool. I did that according to the specs that went along with my mods (2.5 turns from closed) and now the bike isn’t running very well.

[@fwh79FOXR6]

@@drweelz I was adjusting the pilot jet for each carb. That jet controls the air/fuel mixture at idle and midway through the rpm range. Did you remove the air box and install pod air filters? Is that when the bike started running poorly?

[@tylerjones6367]

@@fwh79FOXR6 I have the same problem and yes: pod filters and airbox removal. Bike idles horribly poor, and I've read everything from 1.5 to 3 turns out is right for the A/F screws. I'm running a 2001 bonnie with 42 pilots and 140 mains. Any advice?

[@fwh79FOXR6]

@@tylerjones6367 Take the pod filters off and reinstall the air box. Probably not what you want to hear, but these bikes don't seem to take very well to pod filters. They need the extra intake tract length provided by the stock air box compared to the pod filters. Also, you may need more than 3 turns out on the pilot jets. Every bike is different and weather can have a huge effect on what pilot jet setting your bike needs. Just keep tweeking that pilot adjustment until you figure out where she wants it at.

[@Thomas-v7x7k]

that cover goes over the wire harness under the seat

[@daveco1270]

You were playing with the air screw not the pilot jet.

[@MarshallSmith27]

where's the sync screw?

[@fwh79FOXR6]

26:32 the screw is on the throttle shaft between the two carbs.

[@clydemurray4050]

That’s the cover for your air filter goes under the seat

[@founddeadrepairz6433]

I didn't decide to watch a video to learn about tire pressure. This is supposed to be about carburetors.

[@fwh79FOXR6]

found dead repairz: It is about carburetors. Watch the whole thing or go away... your choice.

[@johnmalone9853]

That’s not a triumph, a plastic Thailand copy.

[@philq9815]

I think they said it's an 02 model wich is a Hinkley Triumph, later models were made in Thailand.