I totally agree, a complete waste of time just showing them running.

Watch the videos from Kaplan cycles in Kaplan of Kaplan museum in New England and he has a brand new in-house design built right into the floor museum and the first man you ever show that you take the nabio off the back of your dirt bike and it made it five horsepower reading as today's true that are rebuilt from yesterday's from the 80s a 250 will make 50 horsepower a 500 will make 70 horsepower125 today are making 38 to 40 hp and a brand new line DC 125 electronic fuel injected makes 40 horsepower and weighs 187 lb and today four-stroke motocross bikes of the 250cc size don't stand a chance against it 40 horsepower 187 lb Husqvarna shoes girl going steroids with fuel injection that is in the bush reports that's where they inject them that's why the last few years they've had tons of engine problems because if you're injected injectors are injecting a pill into the boost cards that are already supercharged with the fresh air and fuel in the bus ... That type of way the air filmmakers not be seen in that corrected for and I finally got it out of them cuz they turn it there are boost sensors in the crankcase reading the crankcase boost pressure ... If you have an amazing expansion chamber catches up with the engine RPMs and the volume of the intake cheaper charged next the exhaust soundwave blocks the port of the exhaust long enough to hold that press give it to charge Karen Nick long enough for this results for it you're on the pipe the power band begins and you're off to the Moon with a guy on a four-stroke trying to figure out how you're cheating has no one to last hour like a supercharger or a turbo or Motocross fine making two strokes or king forever as they super charge just remember two strokes make boost ,four strokes suck www.motorcycle.com/how-to/how-twostroke-expansion-chambers-work-and-why-you-should-care-3423.html#:~:text=In%20reality%2C%20expansion%20chambers%20are,cylinder%2C%20filling%20it%20to%20greater Bottom line if you don't have this you're not going to win anything www.husqvarna-motorcycles.com/en-ee/models/motocross/2-stroke/tc-125-2022.html

Two strokes are insane rather they are stupendously fast and the vibrations...literally shake up the body as if one is thrown in a big mixer. But it is fun ...specially 2 stroke twin engines. The firing sound as one speeds up really adds spice to driving at great speeds.

Wait 4 years. They'll post a "Barn find...will it run" video. Yawn!

This video was such a let down. Glad I'm not the only one who was expecting more

1969 mach III Geary Child's. Gave me my first Triple!!! I will miss you my brother Mark Dshark Schofield San Francisco Native 666 F T W

Aren't they just, just wait until they come to F1 the f#ckin world and his wife will want one.

And it was the president of Honda Mr Honda himself who is mostly responsible for getting manufacturers banned from building them and selling them new in this country of the United States anyway.... And no one today even knows why Honda was so obsessed hating two cycles engines as you call them two strokes today as it was Honda was the last motorcycle manufacturer to build a two-stroke motorcycle that was designed built and raced by pop Yoshimura world's greatest tuner and the smartest man on two strokes or four strokes whatever it was however will be.. pop Yoshimura was Honda's R&D instructor at the training center for Honda in Milwaukee Wisconsin and that is where I finally learned exactly how to cycle engine operates.... The person not only compresses the air fuel mixture in the combustion chamber it also compresses the air fuel mixture in the crankcase before it is forced into the combustion chamber to be compressed again before it's fired that is the cycle of how a two-cycle engine supercharges itself that's when it hits the power band that's when it's the air fuel mixture becomes higher pressure than the atmosphere and it never stops gaining something a four-stroke natural aspirated engine cannot possibly ever do.. Honda's need four-stroke CRF150 motocross bike barely makes over 20 horsepower.... Husqvarna's new 2-stroke TC 125 makes 40 horsepower and weighs 187 lb no way are you ever going to catch it with any four-stroke naturally aspirated the same size engine it's impossible but the millennials keep on buying them they're heavy on the front end they push and pull out the front door hardest damn dirt bikes for a ride yeah on a two-stroke and flying like on a magic carpet with twice the horsepower and gaining all the time is revving

Totally

Agreed

Second that

Hopefully

Fingers crossed

then you should smell what's those motors are letting out

Re to Suzuki GT"s and other two stroker bikes. Yes, total agreement. I'm 60 and grew up w these beauties. I had a GT380 too and numerous other mx strokers...absolute fun and straightforward maintenance. The RD's were and are incredible. Those days seem too be coming back here in the state's. The TZ's are extremely rare and although I never rode one I did have the opportunity to sit on one back in the early 80s. I had to clean the bike off well because I had drooled all over it! Best to you and may the new year bring many successes!

Haha ,yeah as a kid in the late 80s ,somehow I had like 4-5 1972 Suzukis at one time. They just accumulated and I wasn't looking hard. Ts 125,tc125,ts90 for parts , and a gt250 and another ts or tc125 around. The oddball was the 73 RV 125 that handled like crap, because the engine offset it would pull to one side while accelerating and decelerating. I've still got the tc frame and the RV complete ,the engine is a little tired as it had one of the hop up kits on it so it was ran hard before I got it.

This is actually like reading my own teenage bike list.All the Suzie starting with a 182gt right through to the flying tea pot 750,don't forget the tetleys,mine was always overheating.Then all the red's my favourite being a 1977 125 that I did the porting and allowed,I'm filters,jets and joins that wee machine would take the piss out a 250s!!.Ahh the sweet smell of 2 stroke fumes,I think I'm suffering delayed withdrawal symptoms from the late 70s.Thanks for the memory mate.

Yeah cause they are hideous and sound awful

There are no overpowered 2 stroke motorcycles....only underpowered 4 stroke motorcycles!!!! ;)

Thank you, that one had me puzzled. I'm glad somebody knew what it was. I think they used Konigs in sidecar racing in the 70s

I believe the König flat four started life as an outboard engine used in fast speedboats before it was reconfigured for use in a (race) motorcycle.

Some one remembering Giacomo Agostini and his Yamaha 750 2stroke 4 cylinder GP bike in the 1980s ?

Yes but it was in No Way “Overpowered”.

It was the smoothest ride in its day with heaps of low down torque, i loved it Do you know suzuki after this model made a rotary engine bike?? I think very late 70s

For its time the GT 750 was not especially fast. It was basically three MZ 250s slotted into one set of casings. 70bhp on OEM pipes or 80 on Allspeeds spannies. People say the handling was poor but a decent set of rear shocks sorted that out. The last Kettle was made in 1977. RE5 was also latter half of 1970s.

KH500 "overpowered" 🤣

As "Standard" it was a bit of a "Shitter" it was quite quick, but not fast, it handled like you were shagging a Rhino & it was so f#ckin big & heavy(5'8 29 in seem), that said there was a lot to love, it was one of the easiest bikes of its day to tune if you knew what you were doing, the handling could be helped but not cured, "The Smoothest Ride of their Day" I'm not convinced, but not the worst by a long way, I raced it for a while & always prayed for rain. I'm not sure where the 3 MZ engines comes from but you could get a damn sight more than 80bhp from it, I currently have a heavily modified & Gassed one that is heading for 390bhp & covers the 1/4 in 8.2, I've modded the coolant system that was woefully shite & it has masses of torque so it goes like f#ck, & it's still "Street Legal" it shows up an awful lot of riders in their Ichifanni5000 R-RR-RRR's, but I mainly destroy them with my Gassed Gamma500 now there's a bike that never needed modding, but I did anyway. PS the "Rotary" & pretty much all the "Rotary's" were Shite.

AHHHH 2b 21 again lol

I had an unrestricted rg125 too. It was bloody fantastic.

the lucky strike and pepsi RGVs were works of art

@@colinfuidge8660 on the 97 rg 125 you only had too cut the white wire under the seat. It did 80 mph unrestricted then 100 mph with the wire cut.

@@killachief187 I bought mine new, put a few miles on it and got my local bike shop to cut the wire. I nearly shit myself on the way home because it was that quick. And yes, I got 100 mph on the A3 near where I lived!

95hp (with stroker delivery, was lodsa power then; 190hp would have been inconceivable, but we got there; who knows how our mephews will dim 260hp in a decade.

@@robertomalatesta6604 Japanese manufacturers claimed HP was vastly over exaggerated back then and none of those 500s came anywhere near to producing 95hp. The RG, RD and H1 were all easily rideable and well behaved bikes with maybe the exception being the H1 because of it's poorer handling. I rode H1 for leisure and to work through London in the early 70s and did the same with an RG500 in the 80s and although fast for their day were never overpowered or felt as if they were and could be ridden flat-out. Often the myth of those bikes overtakes the facts.

No such thing as overpowered, period. Bikes like the RD500 or TZ had good power for the time and size. By comparison the frames, brakes, and suspension were quite primitive. Merkel's had mono shock rear suspension in the early 1900's. No other manufacturers really took up the idea until mass production in the 70's. That being said I still ride a tuned Banshee and grin like I was a kid every time. I think that's what really counts, the fun factor.

@@TheKarsino well said!

@@TheKarsino Not sure why you couldn't ride an H-1 Triple. I have had a couple of them and I was able to grind the rubber off the ends of both foot pegs. Anything you spend a lot of time on will not seem overpowered. After putting umpteen miles on a CBR Honda and it will not feel overpowered, a 1000 Gixxer is not "overpowered" after riding one for 15,000 miles. I know for a fact the squids I see hot rodding modern sport bikes would be lucky to survive a week on a TZ 750 or any other similar two stroke.

Before those came the Maico 500. Considering the crude suspension, it was ridiculous.

The TZ750 you spoke about was great and for its time was a force to recon with but that Suter 500 that started this video makes 200 hp, so does that ronax 500 but the tz struggled to make 120 hp. Don't get me wrong, I would give my left nut to own a TZ750 but there are faster more powerful 2 strokes out there.

@@elmerfudd1086 You got a good point here, but the bikes I was talking about were the ones ridden by Kenny Roberts in the US and frenchman Patrick Pons in LeMans, the factory bikes, they were way more powerful than a "production" TZ750. Anyway, since the end of the 750cc class, decades ago, they stopped being produced, but I believe they would be way more powerful than the bikes you mentioned if they were produced at the same period. Just speculation on my side, but you're right, the newer machines are more powerful, indeed.

@@jvfmx2008 those tz700s that kenny roberts rode were the 120 hp versions. Most were around 100hp BUT 120 two stroke horse power in a 1970s frame with 70s suspension would be hellishly scary compared to these modern 500s producing 200 plus hp with traction control and carbon fibre frames with smart suspension and ABS brakes. I have a crazy modified 1974 RD350 making 68hp and that thing is nuts compared to my sons zx10 even though it isnt anywhere near as fast as the modern zx10. Bikes really have vome such a long way in the last 50yrs.

@@jvfmx2008 they did have 500cc 2 strokers back in the day and you are right, those machines were no where near as fast as the 750 class bikes. I like to imagine what the bikes we would have today would be like if they kept building and developing 2 strokes . Imagine a 1200cc v4 2 stroke? 300 hp possibly 400?

@@elmerfudd1086 I used to own and race a Bakker TZ750 (ex Jack Middelburg) and yes, it was fast, but any modern 600 sportbike would ride circles around it. It were the tires of that era (1980-1990) that made it scary at times..

i heard powervalves not so good!. thanks for telling me why :) it kind of makes sense the 500cc does make alot vibration, also the powervalve experience alot of pressure!!

@@cskalle1213 yeah the RG series power valve system is not very good, I mean it works and it’s like a turbo kicking in they just take off but the way Suzuki designed this particular 2 stroke system is inherently flawed. They are to close to the lip of the piston when they start to open at mid to high revs they strike the lip of the piston and snap off. All other makes like Yamaha or KTMs and Honda work great no problems at all. You can’t even grind a little of the power valves because of the way they mesh in the exhaust port. They would be worse and rattle around in they port. No one has come up with a fix unless you machine and make your own cylinders.

@@Biketunerfy wow that big design flaw powervalve touching the piston uff damay!!!. the Suzuki company must be swimming in money right now

@@cskalle1213 there should of been a product recall because it’s very dangerous so it’s a safety thing and they should of changed the cylinders because the RG 500 uses 4 RG 125 CC cylinders to make a 4 cylinder 500 CC engine. I don’t know how many people got hurt by this power valve problem but it must of been many around the world. The safety wasn’t the same back in 1991 though so god knows if they have had any law suits because of it. My friend is a machinist who makes his own race engines so I’ve got him on the problem. Probably going to make 4 or 5 cylinders but design it to use the Yamaha power valve system in stead of the old Suzuki system because I’m to scared to ride the 500 as is.

got my mini gp bike in my apartment also.

@@extec101 I actually have 4 bikes in the house. 4 bikes plus a project in the garage.👍 One for each mood. 😁

@@franktaylor7617 that sounds nice :) as im in a small apartment i had to limit it to my small race bike as i dont got a garage and still feel that i need to tinker with it between the times it gets used.

@@extec101 I choose my place because the little door from the garage to the house is level and flat. Straight shot through the kitchen. I've had up to 5 in there during the winter. Now's there's just too many to comfortably put them inside. I have a video titled "winter storage". I bought a couple more since then.

@@extec101 kzfaq.info/get/bejne/o5mTZamnyLTQpWQ.html

Do you play the piano, no I play the 2 smoke

Ngl sounds like pop corn popping inside of a pot

kzfaq.info/get/bejne/p8lpa9heyq3enJc.html makes me think about Meshuggah's "Bleed"

😁 a guy who owned one back in the day once told me, that you could actually see the swingarm flex under full power. Those were the days when motorcycle engines were three times faster than the rest of the bike 🤣

RD400 lol I snapped many a piston skirt on a tuned RD400.... 10mpg and couldn't get it passed 120mph because the float chambers couldn't keep up with the demand :) Ridiculous, impractical, dangerous but sooo much fun when it ran.

@@pimplequeen2 dont forget having to de-whisker the plugs every 20 miles. Happy days.

​@@Perry_dAccard It was a magical time and I'm lucky to have been born when I was. Fantic Super T, AP50, T250 Hustler, RD250E, CB400Four, CB550K, RD400, GPX750, 1200Bandit, Z1000 (tuning fork exhaust). I'll be 60 this month and I fancy a Verge TS, but they seem to be taking a long time.

Yes mate. Checking fuel to air ratio 🙂

Exhaust gas analyser bud best device for tuning ...too lean = melt down

@@eugene4154 what about the oxygen that makes it into the exhaust in a 2-stroke? This would surely through the readings off making them untrustworthy

You mean the old gp500

@@vsmaster6162 MMX 500 a two stroker engine but its 120 grand

Put a tore on your pocket 😅

You would be truly disappointed with the road bikes BHP, Aprilia rs250 have more power And don't have a hinge built in the frame.

you forgot suter mmx 500 its so nice

Cast iron cylinder sleeves to the rescue.

Thanks, By the way the motorcycle in the thumbnail is the Tularis, a twin cylinder Polaris snowmobile engine mated to a Ducati gearbox. Made by Dr. Rob Tuluie in Minneapolis Minnesota. Some of the parts were made in the shop that I work for. It's a fascinating project that was a winner in it's day. There's info out there on the Tularis, it's worth a look.

GP bike is a one off prototype. Can not be bought. Superbikes are ready available at your local bike shop. See the difference now.

4strokes have been the standard for about two decades in Grand Prix racing, but the danger and excitement from the 500cc era seem to be missing. Electronic aids are a sign of advancement but their use seems to detract from racing even more

do you know the difference between a superbike and a GP bike?, before that, answer the comments before me

It's the Tularis created by Dr. Rob Tuluie (an astrophysicist still working on F1 cars, I think) Polaris engine with Ducati transmission, one off frame, hand laid carbon fiber. A sweet bike with a good amount of coverage on the internet, well worth looking up. The frame and engine/swingarm plates were made by a friend in the shop I still work for. I helped Rob at the track years ago when he was doing really well on his Tulda, a Honda single in much the same style.

I own a TZ750-A. The OW31 handled pretty well compared to the A-mod twin shocker…. Mine is scary…period.

"widow maker" doesn't is overpowerd, but "unrideable"

That is equal to saying that Harley produced bowling balls (AMF). The RR350 was designed build and raced by Aermacchi from Italy and was basically a copycat TZ250/350 with modified carters, carburetors and ignition. Port timing of the cylinders were equal to their Japanese counterparts. Many TZ parts could be dropped in the engine without any changes. Walter Villa collected four world titles on these machines. It might have had the name of HD on the tank but it was an all Italian show.

The suter does not have a snowmobile engine...

The bike in the thumbnail does, it is the Tularis, built by Dr. Rob Tuluie in Minneapolis, Minnesota in the early 2000's. It has a Polaris engine mated to a Ducati cassette transmission.