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I had an H1 for a while. The PO did a little porting on it and was a lot braver than I. I watched him burn rubber through a wheelie and was still foolish enough to buy it from him.

The H1 was called the flexi flyer and the 750 was call the widow maker.

If it wasn’t crazy enough, I modified my 71 H2 . Triple expansion chambers, modified carbs and head work . Changed the shocks , basically made it a CAFE racer . I’ve had it come up on me without warning especially when it was cold , got speed wobble in banking , but it was extremely fun. Got rid of it before it killed me , 78 now and there would great memories 👍

I had two H-1's both were great bikes neither one had "handling problems". Neither got hot as long as the baffles were cleaned regularly.

Nothing like a powerful engine in a flimsy frame with drum brakes.

what about the RD750 ?????? pretty sure that was the H2 or H3 cant remember.... but... its faster than this one also a triple cylinder 2-stroke i believe? or 2 cylinder. cant remember

BS

Klotz Baby, Klotz !

My father had one and he lived. Lol but yes they were monsters.. 2 stroke all the way!!

This is another clickbait misinfomercial. No the Kawasaki was not based on the DKW 3 cylinder car engines. For one thing the DKW was Schnerle transfer ported and ran at a much lower RPM which was entirely different from the loop scavenged transfers of the 1960~70's Japanese piston ported bikes. Another bit of bullshit was.." Kawasaki ignored the reed valves used on other bikes, and used piston porting instead....."? Kawasaki was using piston porting in 1969 because no-one else was using reed boxes with piston skirt windows either, those didn't become common until 1973, and Kawasaki was preparing to phase out their road 2 strokes by '74 so why upgrade? The blatant misinfo is blatant. The DKW car engine had good amount of low end torque, but ran out of power above 5 RPM, the H1 was very lacking in it's torque below 4 grand. I rode a later 1974 Kawasaki 400 triple S3, their last year of their roadbike two strokes and it was a pretty manageable and relatively competent bike. It was more like the Suzuki GT380 made 3 years before. It had a little low end torque. The person(s) who does the research on this needs to up his knowledge, just because there was a car decades back with a 3 cylinder two stroke doesn't make it the same as this bike's engine. The bore and stroke were different as were the port timing and compression ratio. Also a 500 cc motorcycle engine is not "huge" now days.

My, my, my, all the superlatives! All the plugs for its immense power are over the top. It developed a claimed 60hp which was quite good but less than the Honda CB750. The issue with H1 was its light switch power delivery, which mixed with lighter, rearward weight bias, and poor chassis dynamics could get an inexperienced rider in trouble. With the greater low-end torque of the Honda, it presented fewer surprises.

I always wanted mach 3......that never happened but i did buy it's baby brother....the 3 cylinder 350 cc..that was a dam quick bike it nearly killed me a couple of times..I'm thinking if i did buy the mach 3 i probably wouldn't be here now ...i have made ìt to 72 and still going....

The H1 wasn't dangerous enough, so they brought out the H2, which finally did Darwin's work.

Cagive C594, the zenith of 500 cc Two Strokes.

I bought a brand new H1 and it was never as bad as what you make it out to be. I took as much weight off of mine as I could and increase the power as much as I could, and it still was not that bad in fact, it was great.one thing that helped the handling a lot was putting on low racing bars and rear sets, which put you in a racing bike stance and Changed the weight distribution on it. I put racing tires on it, but I did not reinforce the frame at all, and never felt like I had to. The bike was very fast and a blast to ride, but I didn’t kill myself because I don’t ride like an idiot. Don’t be an idiot and you probably won’t kill yourself. Works that way with the H1 and a lot of other things too.

This reeks of an A i generated compilation.

Its the rider not the bike

The H-1 did NOT have low-end power. In fact, the most dangerous aspect of this bike was its power band of 6000-7500 rpm. All 60 horses arrived like a light switch. A reed valve induction would have helped, but not cured the radical port timing.

This script and thumbnail style is stolen from the Squidd's videos

NSR500 84 - RC40 - RC30 - RC45 - RC46 - 07 RC212V.

rosi moved, the bike is still a monster in the constructor, but dorna killed the bike under the guise of lowering the cc, they said it was dangerous, poor hayden who had just found his rhythm, then had to start from zero again, his heart must be broken and he lost his direction. he should have started to develop...

Ducati entered moto GP in 2003 and hard a steel tubes front frame that used the engine as a stressed component of the whole frame. Honda developed the RC 211V well before Ducati had something to do with MotoGP. Honda’s primary rival was Yamaha which had a 4stroke design as well, even if it was much more conventional and less competitive. 4 strokes are not more powerful and don’t create better torque! MotoGP 990 were more powerful than the GP500 by only a few HP and they were nearly double the displacement! 4strokes have generally wider and linear power and torque bands so they’re much easier to ride…

Real LEGEND

S.O.B. broke my heart when he announced he was done with motogp!!!!!!!!!

My dad bought a used 1970 H1 in 1970 from a mom who told her 19 year old son she would sell it if he ever took his younger sister on it. It had just over 1000 miles on it and he paid $750 for it. I was 5 years old and i still remember that day vividly. I rode on the back of that thing MANY times, felt the front wheel catch air when the power kicked in, and usually ended up with my butt between the back of the seat and the grab bar, until I smacked him on the back and he scooched forward. There was a rack on the back, so no biggie. When I was 17, the bike had been sitting for about 5 years, so I talked to dad, and I rebuilt it and it became my first motorcycle. That bike taught me throttle control, and power wheelies. Climbing a steep, 2nd gear hill you would hold the throttle wide open if below 5k rpms, then start to roll off by 6k. Horsepower doubled between 6k and 7k. I rode it every day with clear roads until 1984 when I was 19. I'm in Connecticut, so I mean EVERY clear day. -5 degrees f was tough on the fingers, but boy was she making power. In November of '84, after selling the H1, I rode home on my brand new '84 900 Ninja. $4500 out the door. I would buy another H1 if I could find a good one for the right price. Parts are tough now, and i don't own a machine shop.

You have the wrong bike I owned the 500cc H1D Mach3, it was never known the widow maker. The widow maker was the H2 & was 750cc. Very poor research!!! It was not loud from the factory, and it produced 60HP, with the DENCO expansion chambers, and the new Mikuni carbs on my bike it was 70 HP. What a crock!!!!! It handled just fine. It was the 750 that was the widow maker! I'm 73 now.

I loved mine and I'm still. Here at 68 years old 😂🎉😂

What is this crap? Please get some pics that are even slightly contextually correct.

You only inserted google images of the bike without showing the actual bike. Armchair videographer.

SHEENE AGAINST KENNY

Nessuno come lui ancora oggi! Best still now

MACH III - only made better- ported & polished, chamber/ expansion pipes. Loose shifting linkage. I would pull up 1st , hit 2nd in air & ride it out. H-3 , with 800cc kit, cut gears,slotted rods….nothing could win a drag race. Main fault was the 19” front rim/ wheel- it over steered the corners

Clearly Ducati robbed the single sided swingarm design directly from Elf/Honda racing R&D ...

King Kennys story desrves better than this clown world commentary "padded jump suit" , "twisting the accelerators"

the500mach1 was faster than the 750

Owned over 100 motorcycles in my 60+ years of riding. Had them all. Goldwings - just about every Harley - V65 Magna - KZ900 - CB750f - I could go on and on. Didn’t get to own crotch rockets as I am 6’6” and just could not get comfortable on them. But my Kawasaki 750 cc 3 cylinder 2 stroke. Omg. When that bike got up into the power band, just orgasmic. Was my favorite all time bike.

Thank you for creating this content. Itu help us soo mich too understand the legendary machine and history. Love it man.

Owned one of these bikes, then like a dumb ass I went to work on the motor for more power and had great success. This thing had front forks that came from a bicycle, it shall I say had some handling issues. Tank slappers at just over 100mph were not that uncommon. I for some strange reason survived this bike, and lived to tell about it's piss poor handling and brakes while having enough power scare even the baddest Marine in the world.

Poor

Casey Stoner had talent unmatched by anyone he raced against.

I remember those. Hold on tight.

lol fiat factory shown as workshop made me giggle

Amazing machines. I used to say that if the engine stopped rattling then there was something wrong. Most of them needed steering dampers to control wobbles. One of the biggest problems was the unintended wheelie as the revs went into the power band as you went around a corner. The sound of the triple 2-stroke pipes was orgasmic. Brakes were shite, and the centre cylinder suffered from spark failure in wet conditions.

NZ flag mate at 1:42

I wonder how many of these "Killer triple" video makers actually has owned or at least have ridden one. I had two Mach 3's and one glorious 72 Mach 4 and lives, even though being a below average rider. These were amazing bikes. The grunty Mach 4 near perfect. The early Mach 3 had its flaws, needing a 6-speed and a beefier front fork and brake for example. The fork appeared to be identical to that on my friends Suzuki 250. But still a great bike.

The frame was not very well engineered,which made this motorcycle dangerous to ride.

the `rarerest talent` on earth. What could it be if C.Stoner still on the grid right now?

yyuuuppp , i survived , im 70 now and still dont know how i got here . most awesome scooter i have ever ridden , my 750 water bucket is neat but the widow maker , my harley is so tame

So how many fatalities resulted from this model and compared to other models?

Those H1 and H2 wingdingers were some of the most badass sounding bikes ever. Just screamed pure evil.