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Ever consider chambers on that RD? I have a 77' and am pondering it.

They were badass wheelie machines, but they did not "surge" as delivered new...you have either an air/fuel problem (carbs possibly needing rebuilding or something in your fuel delivery pipeline) or your Stator is not nominal.

I bought a like new '72 H2 in '74 as a Jr. in H.S. I had just hung up my motocross racing boots (I grew up on two wheels, mini bikes, mini cycles, enduro's, Trials, flat track and earning an AMA Expert/Pro license in 125cc motocross). I had Clip on's and expansion chambers and 34mm Mikuni's with individual foam air cleaners installed before pick up time and my Dad (a Rocket Engineer at Cape Canaveral who did all my engine work including porting/tuning on my race bikes) gave her a modest port job and rejett. To say she was fast is an understatement...i would pull 1st thru third gear 90 mph wheelies. I absolutely had the fastest vehicle in Cocoa Beach Fl. (really central Florida), even trouncing a guy on a Z1 with headers on only the second day I owned it. Regarding the H2 generally, though it had a reputation of not handling well, I had a couple buddies with modified RD 350's that knew how to ride and I could either keep up or get by them in the twisties, and of course at the end of every corner is a straight away where I was gone. The frame would definitely flex under load in the corners but if you just rode the flex i thought it handled quite well. I also weighed all of 130 lbs so that probably didn't hurt either. Also one other sidenote, if you buy one the blue '72 is the one you want. Kawasaki had so many insurance problems that they lengthened the swingarms in '73/'74 and slightly rejetted them to make them less wheelie prone. Also I don't recall what I paid for her but I remember my insurance payments were more than my loan payments for the bike itself with the insurance agent telling me if my Dad didn't have a stellar record with all the cars we had on their insurance that there is no way he would have sold me a policy on that bike that it was in their Do Not Insure list for riders of my age. I only dropped her twice both times pushing it in the rain with low sides and never filed a claim. It is hard to put into words how much fun I had on my H2...the cops knew me by name but could never catch me. My sister dated a guy whose whole family was in CBPD and Titusville PD and they all knew me and wanted to catch me. But the H2 was too fast and I knew the roads too good and I was very skilled at driving at racing speed so it was really like man against boys.

Sounds great! I have a '77 just like it. I believe our color is a one year only color. At the 3:58 mark it reminded me that most dogs I ride by want to bark at my two stroke. I don't know if the noise hurts their ears or if their unfamiliar with the sound so they bark back. Be safe!

Fantastic! It sounds a bit off, that could be your recording device. Coils or advance, maybe.

Had one as a loaner while my XJ650 was being serviced. Damn it was quick. The XJ felt a whole lot safer 😅

Two dudes in high school had one each. A red one and the other had a white one. My transportation was a big block ‘70 SS Chevelle ❤

ride it dont wank it lad!!!😀

Enjoy.. this is a real bike not the trash we got today abs garbage and traction control

I have owned several bikes, honda cb 500t honda 500 supersport, yamaha 920 virago, yamaha 650 classic, and last but not least, Harley Davidson 1200 xlc. I have rode several more, including 2 you have in your collection! Great videos, Keep them comming!

Spark plugs and 2 strokes! It is a never ending thing!

The kawasaki 3 cylinder 2 strokes were nasty!

1974 through 1978, that is when I was in high school! many cool bikes came out in those years!

Takes me back to high school! Very quick bike, a lot of torque!

Nothing like a little two stroke ride to spice up your day.😅 Being a long-term RZ350 owner, I highly recommend frequent rides to liven things up. Ride safe.

Would’ve love to seen it go to redline, never had a 2 stroke bike but had a banshee and quadzilla and a 250r. I miss 2 strokes nothing like hitting that power band. Whats the redline on that bike couldn’t see it with my phone?

I see a issue with the trike no trailer hitch for a camp trailer other than that it’s sweet

I give this video like and hope you will run ads to promote your nice channel

The H2 was not the widowmaker, that was the 500 H1 Mark III 1969-72

Awesome stuff! The bike looks awesome and it's great to see another young triple guy. Looking forward to more H2 videos!

Sweet!!! You'll enjoy every part of putting it together. I just did one of a basket case and Ken's Garage channel was of immense value. Goodluck.

New bike goofing!

And so it begins probably a little early sticking with factory colors

I would put slightly bigger main petrol jets in to side on richer rather than leaner just a tad may help with surging and throttle pic up and run cooler😊

lOOKS SO sTOCK Important for a '72 Very Valuable and iconic

That RZ-350 would be worth a pretty penny if kept as original as possible, and some of the parts you have are unobtanium, for sure, this is a very complete bike and deserves to be preserved, you can always get a junk one to modify as you please for cheap.

Once that bike is dialed in it will be the ripper of your fleet

Love your collection of bikes, you are so lucky to have them.

Nice Video! Subscribed!

What oil you running in these bad bikes? Nice Vidja Brother!

I love my Suzi GT250. Your bike is a beast, sir. There’s a reason it was dubbed “The Widowmaker.”

As the minutes of this video go by I see on the tach how the seduction of this bike works on the rider.

Had the 500 and the 750. Not nearly as bad as thier reputation. That just grew to mythical proportions. Yes they where a handfull but biggest problem where: the tires. With bit more modern tires they handle just as good as any bike of that era.

Did I read 125,000 miles on the tachometer??

Nice bike sir! In very good shape. Sounds healthy. Two strokes FTW!

Great bike! Sounded a little boggy as you got close to the fun. Pussycat until it hits the pipe. Better hold on tight.

Nice machine & nicely done video - I remember them new on the showroom floor at Dosch Cycle Shop in East Earl, PA...

Synchronize the carburators. And she will be old smokey again. I have a set of old mercury tubes for my Z1 900 and 1000

Are these older bikes like this like death traps ? why were they called widowmakers ? lol

Window maker?

Check your pipes are breathing and not coked up with carbon ... Its a big but unrealised issue with 2 smokers.

Great looking bike the surge could be extra air getting in I'd check the carb boots first

380 piston's are up to oversize 2mm available. Look for IMD pistons from UK.They are as set 3 pieces 84 euro, thats almost the price of one orginal. Have used in the Gt750. They allow tighter clearance between piston's and cylinder (0,03mm out of my head) than orginal specs 0,05mm. Weight is almost same, springs have a little edges on top side + are little bit less stiff and easier to install. For oil lines, oil tight checkvalves are important. Especially not used every now and then. It is possible to disassemble the checkvalves and use new springs. Or look for replacement line, but also 50 years old checkvalves. Kawasaki still sell oem checkvalves 16128-009, Webike sell them cheaper. I recommend to do this to the other GT triples. Hydrolocking your 550 or 750, could safe crank rebuilds Use good non thickness liquid gasket between crankcases. have good experience with Hylomar Blue. Keeps sticky when good preperation been done. Could assembly when activeted chemical reaction after 5 minutes. Keep your engines air tight and not lean. I see your shared video's when rebuilding the nices bikes!

Good to see you didn’t have to push the Suzuki back looks like another tank flush . I usually toss nuts , bolts , and chain in the tank and shake like hell also a small magnet helps fish out the crap .

can't beat it when a guy picks up sunglasses and says safety first, while wearing shorts. That's exactly what I would do ! Man, that GT is beautiful !

That steering damper, did it come with the bike or did you add it? I believe it is not original? Anyways, congratulations on the 100 subscribers. RE: Fuel filter getting clogged, if cleaning the tank is not an option, an automotive filter (more surface area) lasts much longer before getting clogged.

Watched all the videos, subscribed, keep up the good work. These bikes will give you so much joy and only demand a little money, a lot of elbow grease, and love. Re: chips in the carbs, it is possible someone used a screwdriver to try and get the old rubber boots off. Cast aluminium is more brittle, and with the long lever arm you can put a lot of force without realizing it. I would never ever break a carburetor by doing precisely that I just told you about, but a friend of a friend did. 100% not speaking from personal experience here, I am a perfect mechanic 😆 Also, I know you are a grown adult, but road rash sucks and you can do everything perfectly but then some asshole throws their grass clippings in a curve and down you go. Dress for the slide, not the ride. Again, totally not speaking from personal experience here, I have never dropped a bike and gotten a perfectly good riding jacket, gloves, and helmet all scratched, since I am a perfect rider 😆😆

Those ultrasonic cleaners are a godsend for carb cleaning. Re: carb gaskets, you can get the O-ring material (Viton or Nitrile rubber), you cut a slice of the appropriate length, glue the ends together, instant carb gasket for any carb and you save $ as well as shipping time. Re: clutch soaking, this is a myth, and like all myths it has a basis on reality. Back in ye olde days actual cork was used in clutches, and it required soaking before using or it would burn down, you would wear half your clutch in the first miles until the oil soaked in. Modern clutch material is synthetic and just requires a light oil coating during assembly.

Re: future carb syncing, get a few popsicle sticks, stick them under each slide, and then adjust so they all lean at the same angle. This gets you super close and then the final vacuum sync is a breeze usually.

Re: sticky clutch, check the basket as well, it can wear unevenly and acquire rough spots that cause clutch stick, these can be filed away no problem.