Yamaha RD500 Aircooled - Mental Build & sound! One off hand built by Kelvin Bonarski

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  • Опубликовано: 25 ноя 2024

Комментарии • 652

  • @K1lostream
    @K1lostream 6 месяцев назад +5

    First time I heard of someone looking at what Allen Millyard does and thinks “Yeah, I could do that” and then do it! It’s not just the engineering achievement, it’s making it look like it came out of the factory! It looks amazing!

    • @stoneautomotive
      @stoneautomotive  6 месяцев назад +1

      He’s certainly one talented man young Kelvin 😎👍

  • @hankcarver3219
    @hankcarver3219 10 месяцев назад +9

    Simply beautiful I had a 75 rd 350 and a 77 rd400. Loved those bikes. Long live two strokes!!!

  • @SilverSurfer5150
    @SilverSurfer5150 Год назад +7

    Absolute per-FEC-tion!!! This is the bike Yamaha should have made back in the day! The creator deserves a medal for making this! ❤❤❤

    • @stoneautomotive
      @stoneautomotive  Год назад +1

      Glad Kelvin was happy to share the project with the world, true work of art 😎

  • @KenandConnieTaylor
    @KenandConnieTaylor 6 месяцев назад +4

    I saw this bike in the flesh today. It is so perfect, I didn't even clock that it wasn't a standard LC at first. Amazing engineering.

    • @stoneautomotive
      @stoneautomotive  6 месяцев назад +1

      Incredible build, I’m looking forward to seeing what Kelvin builds next 😬

  • @benhoward4294
    @benhoward4294 Год назад +34

    Brilliant. Just waiting now for someone to bolt two RD400’s together. Good work. Well impressed from an an ex LC nerd. 😊😊

    • @stoneautomotive
      @stoneautomotive  Год назад +1

      Kelvin would be the man to do it 😎

    • @eddieandrews3335
      @eddieandrews3335 Год назад +3

      Dear God what a beast that would be, love it

    • @philco7044
      @philco7044 Год назад +1

      I was thinking the same 2 x 400 😊

    • @matthewstorm5188
      @matthewstorm5188 Год назад +4

      Closest thing would be the TZ750.

    • @donaldross4217
      @donaldross4217 Год назад

      I want , too job and beautiful bike
      I Nearly bought 500 lc
      Last year
      But couldn’t spend £20 to 30k
      On a bike you would be to scared to take out the garage and get dirty
      Bought a Ktm 1290 beast instead
      At least I can afford to fix the beast if I drop it

  • @keithelliott2191
    @keithelliott2191 Год назад +53

    This is truly a thing of beauty. A masterpiece! Brought back wonderful memories of my 100cc, 125cc, 250cc and 350cc air-cooled 2-stroke Yamaha twins in the 1970s - but they were nothing like this!

    • @KelvinPaul-zy8eo
      @KelvinPaul-zy8eo Год назад +3

      Well Thank-you so much … I am so proud of her

    • @christophersmithsonian3350
      @christophersmithsonian3350 Год назад +3

      My little brother had the RD100 the RD125,RD 200 ,RD 250,RD 350 RZ 350 LQ and A Daytona RD400 so cheers you had the same bikes / 😎

    • @Railrider765
      @Railrider765 Год назад +2

      Had 78 rd200 with expansions would fly!!bored 3rd over.

    • @vonSnook
      @vonSnook Год назад +1

      Ya it's cool but with only a 6,000 top rev hardly a tweaker. I guess ya won't have ta worry about the powerband kicking in .

    • @KelvinPaul-zy8eo
      @KelvinPaul-zy8eo Год назад +6

      @@vonSnook the reason for the 6000 max is I am still running her in I am now taking her to 7500 but she wants to go further. I will put a few more miles on her before I do ….👍

  • @brentkelsay3439
    @brentkelsay3439 Год назад +18

    What an incredible bike! Always loved the yellow and black paint scheme. That RD 250 was awesome too. Had a '72 DS7 250 back in the day, the RDs came out in '73.

  • @Ppnowin
    @Ppnowin 6 месяцев назад +4

    This was cool. This was respectable. The bike that rips.

  • @russellcaldarola9707
    @russellcaldarola9707 7 месяцев назад +3

    I love that a man can take something that was never supposed to be and makes something special.

  • @davidshelton876
    @davidshelton876 Год назад +31

    Well done mate, very impressed. Have seen triple rd before but not a four. You deserve a medal for creating that. Excellent!

  • @roberthampton8682
    @roberthampton8682 Год назад +24

    WOW! What a beautiful bike! It looks like what Yamaha should have built! What a GREAT JOB! And thanks for sharing it with us!

    • @KelvinPaul-zy8eo
      @KelvinPaul-zy8eo Год назад +2

      Your right Yamaha should have built one years ago …. 👍

    • @pubbiehive
      @pubbiehive Год назад +1

      @@KelvinPaul-zy8eo they did, except it was liquid cooled and had fairings.

    • @stevelee5724
      @stevelee5724 Год назад

      ​@Kelvin Paul please expand on that. A rd 4 banger ?

    • @stevelee5724
      @stevelee5724 Год назад

      ​@@KelvinPaul-zy8eo Oops I meant to send that to Pubbie hive

    • @stevelee5724
      @stevelee5724 Год назад

      ​@@pubbiehive please expand that story. A factory 4 RD ?

  • @chrisz8532
    @chrisz8532 Год назад +5

    Love how the bike is parked in the ‘disabled park’. Hopefully not a prediction! Awesome bike you got there 👍🇦🇺

  • @KensGarage1
    @KensGarage1 Год назад +15

    What an incredible one-off build. Hats off to the builder/fabricator. It's so amazing what these people can come up.

    • @stoneautomotive
      @stoneautomotive  Год назад +1

      He’s one clever man Kelvin, he has more incredible projects in the pipe line so stay tuned 😬

  • @treeandaturd
    @treeandaturd Год назад +5

    got to appreciate the amount of engineering that went into that!

  • @justinboon3811
    @justinboon3811 Год назад +2

    What an awesome machine that yellow quad pipped Yamaha is two 350 engines must be a blast to ride Kelvin is a magician never heard of anyone else doing this to a 350 Rd it must go like a rocket 🚀 with its pops and bangs

  • @bennyrobles9194
    @bennyrobles9194 Год назад +1

    What a beautiful bike, the RD 500.
    I had a 1975 H1 500 triple with denco chambers. Little brother of the widowmaker.
    The sound and the smell of these bikes is just awesome.
    Had great times with it.!

    • @DarR1299
      @DarR1299 11 месяцев назад

      I had a 1975 S3 triple with Denco chambers. Little brother to your H1. Not my first ride but it was my first purchase.
      What a short powerband but when it came on it was something.

  • @MrAllstar
    @MrAllstar Год назад +4

    The RD-250 SOUNDS like so much fun!!!!😊

  • @matthewpiper1421
    @matthewpiper1421 Год назад +5

    That is what yamaha should have built, nice job.👍👍👍

  • @williamcarey4172
    @williamcarey4172 Год назад +3

    Boy o boy that is without a dout the coolest build i have seen in a looooong time......

  • @hennies9509
    @hennies9509 Год назад +2

    A friend left me his racing 350 for a couple of days. It was adrenaline time for a couple of days. Your bike is a beauty!!!

  • @deborahchesser7375
    @deborahchesser7375 Год назад +3

    The TZ’s smaller cousin, the artistry alone on this bike is amazing, never mind the mechanical side of it. Well done ✌️🇺🇸

  • @elmerfudd1086
    @elmerfudd1086 10 месяцев назад +1

    Very cool. I love to see guys building radical two stroke bikes again. Imagine what two strokes would be today if the big manufacturers hadnt stopped building 2 stroke street bikes. A big thumbs up to all you geniuses out there creating these 2 stroke animals. ❤ Keep at it please.

  • @Bert-b8t
    @Bert-b8t Год назад +2

    Amazing solution to keeping the chain aligned with the rear wheel on the 500.
    That's a pretty trick 250 as well.

  • @fredflintstone8048
    @fredflintstone8048 Год назад +3

    The RD Yamahas from the 350 on up are a riding experience that I think every street bike rider should be able to have.
    I once rode an RD400 around quite a bit, and it both scared the shite out of me, and thrilled me at the same time. I loved it. I could pull wheelies with it effortlessly. They are badass and I can also see why a lot of guys raced them, and also wrecked them. I also got to ride an ATC with a specially make frame that held an RD350 engine that was built up for even higher performance, chambers etc. than stock.
    It was insanely fast, hard to control, and some of the funnest riding I've ever been able to do.

  • @philc8575
    @philc8575 Год назад +4

    Proud Papa has a lot to be proud of!!! Spectacular job, Brother!!!!

  • @jeffryan7439
    @jeffryan7439 Месяц назад +1

    I freakin love it, sounds like a concert and I could listen to that all day long

  • @taiezawa
    @taiezawa Год назад +6

    It is truly a miracle work! Wonderful!

  • @ianrussell2816
    @ianrussell2816 Год назад +10

    Wow ,what an awesome job , I am amazed at the sheer talent some people have, that engine is up there with factory finish , you have a real talent there man , keep up the awesome work you do 👍

  • @yopacific
    @yopacific Год назад +50

    Alan Millyard is like, “hold my beer”

    • @ekspatriat
      @ekspatriat Год назад +14

      Hold my tea and cup cake.

    • @KelvinPaul-zy8eo
      @KelvinPaul-zy8eo Год назад +18

      I have to say … the Millyard is one of my hero with his engineering ability. I got my inspiration for building the RD500 from watching him on his channel …. I learned very quickly that it’s not as easy as he makes it look …👍👍

    • @crazypel01
      @crazypel01 Год назад

      😊m

    • @lasirun950
      @lasirun950 Год назад +2

      Coba kolaborasi sama #ajivas

    • @61936
      @61936 Год назад

      He’s gonna have a rd750 or 1000 built by tomorrow

  • @txrick4879
    @txrick4879 Год назад +3

    Brought back memories of my 500 Kawasaki triple . Awesome build .

  • @CarsandCats
    @CarsandCats Год назад +3

    Just brilliant! This man is an incredible craftsman and engineer.

  • @cecilwilson5442
    @cecilwilson5442 Год назад +7

    So well built Yamaha should have done it 😀 brilliant stuff real nice looking bike from all sides ☘️☘️☘️ from northern Ireland

    • @KelvinPaul-zy8eo
      @KelvinPaul-zy8eo Год назад

      Well Thank you sir 👍👍

    • @dietermuller6737
      @dietermuller6737 Год назад

      Ich habe schon immer 2-Takter geliebt, das ist absulte Meisterarbeit die 2zyl.von Yamaha Klasse, aber 4Zyl.Superklasse!!!tolle Arbeit!!!

  • @TAMSTERMAN
    @TAMSTERMAN 3 месяца назад

    When you’ve got crap like Britains got talent then you go behind the scenes of British life to find genuine talent! Building the lambretta was one thing this is class. Thanks for sharing 👍

  • @dk-fy1di
    @dk-fy1di Год назад +1

    His bikes are a kick in the ass that feels good all day long...

  • @kevindavidson6715
    @kevindavidson6715 7 месяцев назад +6

    As a Busa rider who’s first bike was a 1982 RD 350 I would trade my bike for that one in a heartbeat!!! Love it man !!!

  • @johnbelcher7164
    @johnbelcher7164 Год назад +1

    Had the old 350 RD back in the 70s awesome 2 Stroke this 500 looks great

  • @stressederic64
    @stressederic64 Год назад +19

    That is just a stunning achievement mate, well done.

  • @r.blacky341
    @r.blacky341 Год назад +1

    Respect looks like i am 16 years old in pass, the Yamaha RD 250/350 come new and we are16 years old and love them all!!2 takter are so light weight,its a great fun drive one!! Great Master pice!!! Sorry for my bad english best wish Reiner from Germany

  • @m0ogy
    @m0ogy Год назад +5

    What great work, I really enjoyed the video.....back in the 1980's there were a couple of RD500LCs made, one was black and even had stock LC pipes and both were liquid cooled too

  • @suffern63
    @suffern63 10 месяцев назад +2

    Can you smell it ?Love it.

  • @alanlee9703
    @alanlee9703 7 месяцев назад +1

    What a technically brilliant job , from the factory finished look to that amazing burble. A truly wonderful creation hats off to you sir and thank you for showing some of that great engineering

  • @ramishrambarran3998
    @ramishrambarran3998 10 месяцев назад +1

    Man ! How I would love to own a bike like that !
    Trinidad & Tobago.
    West Indies.

  • @ervinhevar8732
    @ervinhevar8732 Год назад +2

    Très belles restaurations !
    Un saut dans le passé qui enchante les oreilles des connaisseurs et/ou des nostalgiques...

  • @CB1000FP1
    @CB1000FP1 Год назад +2

    In my 50-plus years of riding motorbikes, I've never been a fan of two strokes, but I have to say that's quite impressive

    • @KelvinPaul-zy8eo
      @KelvinPaul-zy8eo Год назад

      Well thank you Sir …. I built it to look factory so even if you know what the bike should look like you need a double take to see what’s been done 👍👍

  • @PositiveMovingImages
    @PositiveMovingImages Год назад +4

    What a beautiful motorcycle (and it's a two-stroke beauty).

  • @kd350
    @kd350 7 месяцев назад

    Nice! From one of NY's most prolific collector of daily drivers...'67-'89 two stroke Yamahas life long ownership and all plated. It's time for me to seek out a 4 banger.

  • @jklmn101
    @jklmn101 Год назад +4

    I've always expected to see a quad cylinder RD, but until now haven't. The thing that really caught my eye was the absolutely beautiful job Kelvin has done on the the pipes! Just an awesome job he's done here. I would have given a nut to own this back in the day!

    • @stoneautomotive
      @stoneautomotive  Год назад

      He’s a very talented man young Kelvin 😎👍

  • @eddieandrews3335
    @eddieandrews3335 Год назад +2

    Bro that is pure beauty, well done on an absolutely amazing machine and show. I really hope manufacturers pump out affordable two strokes again once the problems of emissions are sorted because they will sell frigging well

  • @ianmangham4570
    @ianmangham4570 Год назад +6

    Beautiful tank and paint ,that top camera shot looks real smooth 3:00

  • @andycook2746
    @andycook2746 Год назад +1

    I saw it in the flesh today at the VJMC Boxhill megameet, really well done and sounded lovely

    • @KelvinPaul-zy8eo
      @KelvinPaul-zy8eo Год назад

      I am so please you liked the bike … it was a lot of hard work but really satisfying to ride now although I am still running her in 👍👍

  • @sheridenboord7853
    @sheridenboord7853 Год назад +1

    Well congratulations Kelvin. You made it look like a bought one. You proved a point. Not only could it be done, but looks fantastic too. I can't believe how well the wide motor suits the RDLC bike.

    • @KelvinPaul-zy8eo
      @KelvinPaul-zy8eo Год назад

      Well Thank-You Sir - I built it to look factory, and really you wouldn’t notice the upgrade unless you knew what you were looking at - just goes to prove Yamaha should have built one back in the day ….👍

  • @markleadbeatter6196
    @markleadbeatter6196 Год назад +2

    I wouldn’t mind spending an evening in the pub with Kelvin and Allen Millyard, what a pair of true engineers. ❤

    • @KelvinPaul-zy8eo
      @KelvinPaul-zy8eo Год назад +1

      I love the way you think I’m on the same level as the Millyard but In reality he is way, way above me but thank you for your kind words 👍👍👍👍

    • @markleadbeatter6196
      @markleadbeatter6196 Год назад +1

      @@KelvinPaul-zy8eo Don’t undersell yourself Kelvin, whilst I enjoy the restoration process, I seldom stray from doing standard projects, as I fear my ambition will outstrip my ability pretty quickly. Building specials is a whole other skill set than taking something apart, refurbishing it and putting it all back together. I would love to have the vision and talent to attempt something different but I would just be fearful of screwing up a classic bike and destroying its value.

    • @deanshand4559
      @deanshand4559 Год назад +1

      yes

  • @adamweston4152
    @adamweston4152 Год назад +1

    It's thing's like this that reminds me that I am just an average man, brilliant engineering skills Kelvin has.

  • @andrewdavis5404
    @andrewdavis5404 11 месяцев назад +2

    Exhausts worked out just perfect

    • @stoneautomotive
      @stoneautomotive  11 месяцев назад +1

      Kelvin thinks of everything in these builds 😎

  • @sandrowhite7134
    @sandrowhite7134 Год назад +3

    Powww incroyable elle est magnifique 😍 un vrai sorcier de la mécanique ! Bravo 👍

  • @JohnOLooney
    @JohnOLooney 10 месяцев назад +1

    What a lovely build, id love this i honestly would.

  • @reidspeed77
    @reidspeed77 Год назад +3

    This bloke should be running the country........

    • @stoneautomotive
      @stoneautomotive  Год назад +1

      Kelvin’s skill in building this and the Lambretta is just next level compared to the majority of us

    • @KelvinPaul-zy8eo
      @KelvinPaul-zy8eo Год назад

      I think anyone of us could run the country better than the shower of shite we have at the moment

  • @CPLJimmy-bh9kc
    @CPLJimmy-bh9kc Год назад +2

    Can it do a Wheely? Ha ha ha. You bet it can! I was a teenager in the 70's so I got to see ALL the Bad Ass Bikes and Cars of that decade! Love it!

  • @westboundbadger
    @westboundbadger Год назад

    Kenny Roberts colours will never get dated,..Had a yellow RD 400 back in the day which spent a lot of time on the back wheel!

  • @mikeh.753
    @mikeh.753 2 месяца назад

    That is 4 125cc two stroke air cooled engines in 1. Now that is BADASS.

  • @johnhewitt1096
    @johnhewitt1096 Год назад +1

    Absolutely beautiful. That sound is music

  • @julianv.5848
    @julianv.5848 6 месяцев назад

    Marvelous build of an RD 500cc.... Looks great and is a dreem pice of engeneering, nothing better than two stroke motors miss them so much...🤔 Greetings to Kelvin Bonarski, and Alan Millyard 🤩

  • @shugg4524
    @shugg4524 Год назад +4

    Absolutely beautiful bike. I have always loved YAMAHA bikes and still do. I am the very proud owner of a YAMAHA XJ6 Diversion and love it to bits!😍

  • @markkaupas8921
    @markkaupas8921 Год назад

    That is a masterful job you did to create a inline 4 cylinder out of RD cases. The bike is simply gorgeous! I had a DS7 RD 350 and a RD 400. The 400 was tricked out with everything and completely stripped down, it was fast and explosive. Topping out 6th gear for more than 20 seconds would blow holes in the pistons. I should have put larger carbs on it so the engine could breath better. I injured my back and had to get off them but I will never forget the fun I had on them.

  • @davidrayner9832
    @davidrayner9832 9 дней назад

    I love this kind of thing. I once met a man who'd added a third cylinder to an RD-350.

  • @jimmydcricket5893
    @jimmydcricket5893 11 месяцев назад

    First bike was RD250LC, hit 170kph going to rego office to pick up my newly acquired licence, loved it.

  • @Proud-pop
    @Proud-pop 7 месяцев назад

    Loved 2 strokes since the first day I heard one. Like a hive of angry bees. And the pull when you're in the power band, on the pipe...just can't get that from a 4 stroke, unless it's substantially bigger. And you can't forget the unmistakable smell of 2 stroke oil in the air.As far as matching them up CC to CC, 2 strokes win every time.
    Fun factor: 11

  • @mikesphoenix_e46m3
    @mikesphoenix_e46m3 Год назад +7

    another great video that blokes full of talent and ideas and thats another bike video you twisted my arm to watch 😅😅😅

    • @stoneautomotive
      @stoneautomotive  Год назад +2

      😅
      Don’t worry next video will be e46 M3 😬

  • @colinsuffolk9161
    @colinsuffolk9161 Год назад

    My friend mark crisp and my brother put together a four cylinder bike together using the standard LC chassis with twin disc forks and four 250 LC barrels on using two rd crankcase’s + cranks rebuilt by Dave East from Leicestershire built the cranks assemblies and Mark crisp and my brother had the crankcases welded up using a big steel bar to stop any warping the project was on the front cover of motorcycle mechanic in the 1980s and the full right up in side the same magazine. It’s good to see a fantastic job keep up the good work many thanks Colin Suffolk .

  • @jimbeau64
    @jimbeau64 Год назад +1

    Sounds just like my old 1984 RZ 500 sounded.
    Wicked!

  • @fs1e734
    @fs1e734 Год назад +1

    Truly a work of sheer brilliance,,,would love to see her,,,regards Eddie in derby 👍

  • @robsawalker
    @robsawalker Год назад

    Utterly superb! I remember maybe Bike magazine doing a joke cover with an RD500LC (which was actually a model) on the cover years ago

  • @MarcS4R
    @MarcS4R Год назад

    amazing bike, my friend just built a 700cc dragster with two RZ350 engines welded together like this one. got to love the two stroke

    • @MrGamman3yt
      @MrGamman3yt Год назад

      Cheetah does an 600cc banshee. Why not do that?

  • @martinscopes3914
    @martinscopes3914 Год назад +1

    We’ll done sir. I had the 250 Air cool and then the 350 LC . I did have a go on the RD 500 YVPS brand new and it shore did move I all most bought one. But what you built hear is a one off build I love it all you are good my friend. It is totally beautiful just looking at it and the sound is stunning. I had new allspeeds exhaust on my 350 because I did not like the sound of microns and you built these pipes well hats off to you they sound like Allspeeds. You can’t beat the 4-pipes going even on tick over. And the worlds first. Really really nice.well done 👍

  • @darylsmioth1904
    @darylsmioth1904 Год назад +1

    What an awesome build and SOUND!

  • @the_forbinproject2777
    @the_forbinproject2777 Год назад +1

    absolutely fantastic workmanship ! great sounding too . Cant wait to see if some heavy box tubing swing arm will allow the engine to reach its full HP !

  • @ceased2care
    @ceased2care Год назад +1

    The greatest bike Yamaha never made. And if that were a genuine P reg bike, then would have been the perfect time to launch it

  • @Shady-Shane
    @Shady-Shane 6 месяцев назад

    that shot at the end with the scooter explains where the original RD350LC motor went.

  • @GavJones-nz2nq
    @GavJones-nz2nq Год назад +2

    Great job mate. Such dedication

  • @michaelcarmean4906
    @michaelcarmean4906 Год назад +2

    That Is So Cool ✅ Absolutely Love It

  • @wayno23
    @wayno23 Год назад +4

    Sounds wicked 🎶💨💨

  • @haraldalbrecht6133
    @haraldalbrecht6133 Год назад +2

    Uh, goosebumps ❤!!!
    My heart goes 2- Stroke 😊
    What a wonderful , beauty motorcycle 😊👍
    By,the way , I ride MAICO GS 490 ccm
    Best regards from Germany 👋👋💨💨💨

    • @stoneautomotive
      @stoneautomotive  Год назад +1

      It was the star of the show at the cafe 😎 Kelvin appreciates the kind words 👍

  • @ralphmckenzie8802
    @ralphmckenzie8802 Год назад +1

    Love the Yamaha XJ series wheels, really cool touch. I should have done that to my RD400. Brilliant machine, I would so love to ride that. :)

    • @elemar5
      @elemar5 Год назад +1

      You mean the wheels that are on all LC's?

    • @ralphmckenzie8802
      @ralphmckenzie8802 Год назад

      @@elemar5 Lol yeah forgot about them, always thought they looked better than the straight spokes I had on my 400c

    • @stoneautomotive
      @stoneautomotive  Год назад

      Hopefully Kelvin will complete a ride out video for you all this summer 😎

  • @chendo627
    @chendo627 Год назад +2

    love it, my first bike was a 76 rd 400, 2nd 83 rz350

  • @juliodefreitas157
    @juliodefreitas157 Год назад +1

    Absolute master piece .perfection ❤

  • @Heavy_Distortion
    @Heavy_Distortion Год назад

    Phenomenal build. Kelvin is a true master.

    • @stoneautomotive
      @stoneautomotive  Год назад

      He certainly is, a true inspiration 😎
      I could only dream of having such fabrication & design skills, to top it off he’s a great guy to sit down and just chat bikes builds with over a coffee 👌

  • @jayhayes5039
    @jayhayes5039 Год назад +2

    Great job sounds killer to

  • @reinhardpinter9649
    @reinhardpinter9649 Год назад

    Wow--- was für ein wunderschönes, tolles Bike --- ich bin selber Biker Bj 67 --- aus Österreich, kannte dieses Bike nicht,war auch nie auf unseren Markt ---- genial ❤

  • @spaceted3977
    @spaceted3977 Год назад +1

    Fantastic !!!!!

  • @steveskouson9620
    @steveskouson9620 8 месяцев назад

    I'm a former owner, (my favourite bike was a Daytona
    Special, I put an RZ350 motor in) Just dropped a fair
    amount of cash on a 77 model.
    I have NEVER seen a RD with stock pipes, AND a
    stock air box. Yes, pulled the air cleaner out, and
    ALMOST asked what this is.
    Now, a LOT of work to do.

  • @AlejandroSienra
    @AlejandroSienra Год назад +1

    Excellent! Fast machine.🏍💫🌠

  • @trevormann8221
    @trevormann8221 10 месяцев назад +1

    Great stuff, good clip, thanks

  • @johncunningham4820
    @johncunningham4820 Год назад +2

    Beautiful Build . I was not able to tell for SURE , but I think he made a 90degree (90/180/90) crankshaft . ? Not in Pairs , separate firing for all 4 .
    If that's the case , two separate RDLC or RZ igniters , set 90 deg apart on a common backing plate , with uprated twin lead Coils might have worked .

  • @brettgl21
    @brettgl21 7 месяцев назад

    Absolutely BADASS! Nice work.

  • @wsbill14224
    @wsbill14224 Год назад +1

    It's amazing to me this bike is air cooled and is a two-stroke and has four cylinders in a row and the inner cylinders don't overheat. The best two-stroke street bikes to me are 200cc to 500 cc twins. Two stroke engines burn lots of fuel so the smaller displacement the engine is the better.

    • @KelvinPaul-zy8eo
      @KelvinPaul-zy8eo Год назад +1

      This was a passion of mine to build something that I think Yamaha should have built back in the day …..

    • @KelvinPaul-zy8eo
      @KelvinPaul-zy8eo Год назад +1

      There is one problem with this build ….. 23 miles to the gallon !!!!! But what the heck!!!!

    • @wsbill14224
      @wsbill14224 Год назад

      @@KelvinPaul-zy8eo I'll be surprised if the inner cylinders stay cool enough after prolonged use. Good luck with that.

    • @KelvinPaul-zy8eo
      @KelvinPaul-zy8eo Год назад +1

      @@wsbill14224 I’ve done a 50 mile round trip, not racing her just riding normal and she seems OK at the moment … no pinched pistons or anything really 👍

    • @wsbill14224
      @wsbill14224 Год назад +1

      @@KelvinPaul-zy8eo That's good news. Large air-cooled two strokes are known to be problematic as they are thirsty and fast. I hope it lasts for you. Awesome work.

  • @MacThreinfhir
    @MacThreinfhir 4 месяца назад

    What a fantastic bike! Great job.

  • @orical2832
    @orical2832 Год назад +1

    That sound.... Perfection.

    • @stoneautomotive
      @stoneautomotive  Год назад

      I looking forward to hearing Kelvin taking it out on the road with the cameras fitted 😎

  • @jonandrews4493
    @jonandrews4493 Год назад +2

    Wonderful craft, superb.

  • @samsmithbr
    @samsmithbr Год назад +1

    BRILLIANT!!

  • @derryjones1029
    @derryjones1029 Год назад +2

    What a thing to behold if u love 2strokes