Never had a problem with the Keihin carbs myself. Easy to rebuild and easy to adjust; nice and simple.

I bought this exact color CB 350 in June of 1973. The price out the door was $1,016.00. Cool seeing one again.

I had my CB in the mid 70s. Hearing you start it brought back so many memories. It has a distinctive sound.

Oh what a great blast from my past, thank you. Bought it right out of H.S. in Spring of '77 from an acquaintance for $400 and it was the first vehicle I owned myself (much to my parent's dismay of course but I couldn't afford a car). Excepting for heavier rain days (although I did have my poncho and bubble style face shield LMAO) I rode that everywhere day & night right into mid November when . . . well, you know.

Way to go man, just saw your page and love it! Hope you are doing great!!!!

2024 - I changed out my Keihins for Mikuni 28's on CB360 and yup had muck around a little, changed the cable and throttle tube from a CB350, but well worth the fiddle, mid-range pulling power much better, great round town. Very useful videos like this helped.

Nice video, just a friendly reminder to always check your float height even if the carbs are new and you'll need to synchronize the carbs for optimal performance

I have 1972 cb350 in blue. Fantastic bike ride it all the time

I had one of these too. It was a bit small for me. In 75 I got a Yamaha 650 then graduated to a Suzuki GT 750. Now my ride is a 05 BMW GS 1200 and yes I do my own maintenance. 🔧

Just found your channel and have been binge watching! Your personality reminds me of Joernone. He's a nice fella that's documenting his Thunderbird rebuild on YT. 😊

I tried putting pods on my carbs for a streamlined look and chucked out the old air box. I tried and tried and could never make it run smooth. I cried a million Tera’s and tried a million jet sizes and combinations. Eventually bought another standard air box

Brings back very happy memories of my first candy orange 1976 G5 which I tuned with all the collective knowledge of my Dad and what I read, plus every available performance part from Harris and Girling, plus Avon Roadrunners. I highlighted the logos in the same white rubber paint they used for race bikes and cars. When we’d finished, it was faster than the two stroke Yamahas in a distance race!! And it looked gorgeous. Then one rainy night, a Rover 3.5 hit me side-on at 60mph, which sent me into low Earth orbit! The chrome bumper smashed my right foot, and bent the footrest right under the engine. My knee burst the tank open, and my right hip modified the Rover bonnet (hood). Re-entry adjusted some more of my components (spine and pelvis), and moved me to have a desperate conversation with Jesus…! He sent me some angels in nurses uniforms. Some of this is actually true. The full version is even more complicated and way crazier. That tank colour brings it all back. No trauma. Been through much worse after that. I’m mostly annoyed by the loss of such a lovely bike, and the cop that lied in his statement - after accepting a bribe from the wealthy Rover driver!! Thank you for sharing this modification. Ride safe. Peace

I'll take the factory carbs....No lag, good response. Good video

Just did the mikuni swap on my cmx450 and it's like a whole new bike, I love it.

love my cb350 with Mikunis. enjoy

Acecafebike sent me over. Love old bikes so looks like I’m in the right place

Great video! Thanks for the info. I have an 86 450 nighthawk…gonna see if they have carbs for it.

1973 Honda CB 350 , 325cc engine it is a K2 and the G was the CB 360 a number of years later, Original air filters are bloody hard to find for original bikes like that these days I have had to manufacture Foam filters from original Air filters because they were just not available. The Tapered Cone filters are supplied because they are easy to fit. But an interesting sidenote I did some airbox mods and rejetting a couple of years back for a mate on a 2014 Triumph Thruxton and we used tapered filters for frame clearance but where he worked as an active handler changing Fuel rods etc in the Reactor he ended up having half a dozen nuclear physicists arguing and then calculating filter area between a tapered filter tlike those in this conversion kit and a straight filter the same large diameter at the Carb end as the tapered filter and both the same length and surprise as looking at both filters side by side everyone thinks the tapered filter actually has less surface area to filter with. Guess what not so the Tapered side filters actually have more surface area than the straight ones because the angle of the Taper actually makes those sides longer giving more surface area.

I used to have a 1968. I thought by the early 70's they'd ditched the manual cam chain tensioner in favor of an oil pressure tensioner. I never saw a factory carb that did not have holes in the diaphragm.

5 degree advanced electronic ignition ( around $100 ) . Had a cb250j , great bikes and sound . Without badges mine was mistaken for a British 1960s bike often .

In my experience, the CB250 works better with VM30 and the CB350 with VM32. Also prefer foam filters over the velocity stacks. The filters I use goes with same main jets as without filters. Correct tuned carbs needs around 4 minutes warm up before going without choke (actually it's an enrichener).

I'm watching your videos when I should be out working on my 350 🙄... 😬LoL

My dad had the same bike nearly 45 years ago. Same engine, year, and color.

You need a velocity stack. to better the throttle response and aviod bogs. its in the OEM air filter housing\tube

Hell yeah bro

Thank you for sharing this. How are the slide-type carburetors superior to the Keihin C.V. type ? Any improvement in fuel economy ?

Glad to meet you guys at Barbers. It was a lot of fun talking old bikes and seeing what you brought.

When i was the inverse of my age now at 16 i bought 3 frames and 12 boxes worth of parts from a junk dealer, I got one of the frames registered in my name and rebuilt this bike from the frame up, i meticulously cleaned polished and painted every part to new condition. Of the tanks i had, only one was pristine, but it was orange, metallic i think, the like new side covers i had were red so i taped off the striping and chrome gas cap etc. and painted it candy apple red to match the side covers. Your tank looks like its orange underneath sitting on the bench:??: I used cereal boxes to make gaskets, if that's the engine i rebuilt with the help of a good friend one winter in my basement with a Chilton's manual you'll see a Kellogg's rooster on one side of the gasket on the side cover. I found a nice set of aftermarket pipes the cops hated, and mine had a large sissy bar/ luggage rack on the back that got me thrown in front of a trans am one time, but that's another story, that much being said, i remember those chrome caps on the carbs and thinking how beautiful they were so, unless you saw some significant improvement in performance putting these on, i don't think its worth the trouble and the reduction in value of the bike by taking the factory carbs off of it. I remember distinctly the sound of it, and thanks for letting me hear it, albeit with a bit of a stumble, it's throttle response was awesome the sound from those aftermarket pipes was amazing and the back pressure sound as you shifted on that bike was the best part of running it to the redline in every gear... no improvement necessary. Wish i still had it! Honda all my life, V65 next then, currently, a '97 Shadow 1100 Ace. Funny thing, the Flying V had 69 ft lbs. of torque and the cruiser has 64! 90,000 kms on it and I've put brakes, tires and a Barnett Clutch on it. Love Honda's! Kind of looking for a Valkyrie or a VTX 1800 maybe, but i cant let go of the 1100! Thanks for the trip down memory lane!

Hi, great video. Is it possible to replace the original air filters with these new ones and keep the original carburetors?

I did china air strikers clones on modified stock cables for $50 bucks. For 15 years I wanted slides but wasn't spending the $350. There's more than 1 way to milk a duck.

Not sure re using silicon RTV. Could it be affected by the incoming petrol? Just a thought

Notice the Airbox is missing..did you take if off prior to this Video or did the Bike not have them fitted when you bought it?

Can you elaborate on "spinning" the battery box? Did it work? I'm thinking about rotating my batter 90 degrees but it seems like there isn't quite enough space to do so.

I'm not clear what the benefit is from changing the carbs. Quite expensive, too. The stock Keihin CV carbs are really good and easy to adjust/maintain.

Starting reluctance - does it need some pod filters putting on?

So what exactly was the problem with the Keihin carbs that needed this "upgrade"? As noted below they are easy to rebuild, and less complicated than the Mikunis. Persond contenplating this should note that this removes the attachment points for the side covers as well, which may or moy not be an "upgrade", aesthetically - it isn't for me!

Is there anything I can do to upgrade my 1964 ca77 Honda dream, thanks.

My 1973 CB350 has a hose connecting each side of the fuel tank which runs under the frame rail which means I have to drain the tank and disconnect the hose each time I remove the tank. I noticed you easily removed your tank and I am extremely jealous! How is yours set up to allow this? Also do you know if your set up is stock and mine has been modified at some point? Thanks!

I put 2 x Dell’Orto 30mm slide carbs on my Yamaha SRX600. By ‘eck, does it go now!

just as good as the ones......

Don't know why you'd want to do this when the standard set is fine

How much Hp does the engine gain with the mikuni carbs?

I never had luck with using RTV for a mating surface that is exposed to gas. Oil, yes, gas, no.

long way to go with that buddy .....

The problem is that the stock exhaust was removed. Hondas of this era needed stock exhaust to run right.

I could use those old carbs.

👊

I want this orange 350! Is it for sale?

Yes, but do they improve the performance ?

What is it with people and using that damn RTV on intake parts? RTV and gas do not mix. Besides the squeeze out gets sucked into the engine and screws that up too. Lock tite 518 or aviation brush on sealer would be better for flat gaskets.

Will this work on a 69 CL350?

Pods, different carbs don't work well. Honda knew what they were doing.

How to burn out a starter

Do these need to be synced?

A better upgrade is an electronic ignition.

How not to do it

Philips or JIS B/

Myron want to ride at 2

Does he even know wat he doin think not

He ruined that poor motorcycle

Lol running like mikuni dog .

Sounds totally not right sounds crap