Derbi MHR 80 Engine Build (D50B0) 

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Mooie duidelijk video 👍

4:20 there the crank became crooked!

good job but next time hit only the outside of the bearing and heat the cases more! also dont hit the crank like that just heat up the bearing. also you forgot the locking washer on the clutch hub, just for next time you biuld an engine reminders

Beun de beunhaas. koop goed gereedschap man jezus.

Tätä oli kiva kattoa ;)

Top build. Maar ik zou je wel aanraden om beter een dop van je doppensleutel set te gebruiken om de lagers er in te slagen. De oude lagers zelf werken ook vrij goed maar er is meer kans dat je de binnenkant van je nieuwe lager raakt en dat kan problemen geven

Hello, We are changing a crankshaft for derbi d50b0 engine( senda xtreme) And one gear wheel doesn’t come out, the first one on the bottom next to the clutch. Should we take off the clutch to take it out , because we think it’s not necessary to take if the clutch ?

Transfer ports matching? Measuring and adjusting squish clearance? This engine maybe looks good, but it will never run at 100% of potential this cylinder kit has.

how much it cost? (the parts)

thats not how you mount bearings, heat the casing up enouch next time, they schould slide in or go in with light-medium pressure. and if you need to tab them in only hit the outer ring

my original crankshaft have 1000 km , can suport this cilinder ?? why this cilinder cost a lot of money ?? thanks from spain

Very nice video! This video gonna help me so much😂

Muy bien. Un vídeo muy bueno se ve todo a la perfección. Mucha gente te va estar agradecida. Cuidate y gracias

Heb je je blok gevreest of alleen wat er in de vid is want wil ook 80 mhr maar geen zin om tevrezen

I'm struggling to find torque specs for this engine how did you find them ?

Why you dont put the berings ok the freezer

Good job man!

Schönes Video Jedoch eher Midrace. 80 MHR Replica.

good kwalitie video mate

Profi🤙

was it that you dont need to port your engine blocks with malossi’s cylinders?

Haha id hate to have a engine rebuild via you should use the bearing extractor

Hi buddy did you have to do any case work

Hoeveel kost het om een derbi nt blok van 50cc airsal naar 70cc te krijgen met alles erop en eraan

How much Newton meters for the block?? And what oil do you use for the clutch disks?

ty

Whats the torque spec for the primary gear nut?

so i have an mtx 50cc im rebuilding it but what engine can i put in it

Mit wie viel NM werden die Motorschrauben fest geschraubt ?

I have my derbi senda 50 2017. Water pump leaked and lost all the coolant. It of course heat seized once and locked up. I got some water and fired her up, that was enough to get me to my destination. Problem is i have exhaust fumes coming out of my coolant tank.. so im thinking the head gaskets blown. Ive never done any major work on bike engines but i know how they work. Im an engineer. Now, i suppose i should take the engine out, take the head off and have a good look around, see if anythings warped from the heat. So on. Change the gasket. Replace the water pump and chuck it back together with common sense and knowledge. Would that be far enough to get her running proper. Also can the maintenance manuals be found online if i get stuck? Is this something i should be able to do relatively easily Any specialist tools required. Bike is all standard

Ont tape jamais sur un vilebrequin!!!!

Привет))) Какое масло ты в него заливаешь? Сколько л/с он выдаёт?))

5:11 for how many nm?

Wat voor carburateur was dat en welke sproeiers zater en is en wat was de stand van de gasnaald?

The AM6 must be the best 2-stroke 50cc engine ever to be put into a motorcycle, I have one to put into my 1979 FS1E, after it gets a rebuild that is. That base gasket looked a bit out on size compared to the ports, or was it the camera angle. What about the oil pump, they are no use with a big bore are they? pre mix oil.

very nice👍

je rêve où il rentre son vilo avec le marteau 😨 et les roulements il tape dessus aussi mdrr son bloc il va tenir 2 min il va begayer

How to tighten the engine tightly?

Does 50cc crankshaft and 80cc crankshafts are the same or the 80cc have something more????

Why isnt my clutch rod going all the way in can someone help me?

Mit wieviel NM hast du die schrauben bei 5:12 angezogen?

Jaka dysza głowna w tym gaźniku

did you have to run a higher spec transmission for the power or did you use the stock setup? Thanks

Where did you get your outter clutch basket from???

waar kun je n momentsleutel halen?

What are the two hose stoppers connected to the piston for?

Skąd masz dane ile Nm ma jaki gwint w d50b0? Np z jaką siłą dokręcić śruby karterów, pokrywy sprzęgła, głowicy itd

how much is fuel consumption at this 80ccm cylinder ?

Does the carburetor have to be leveled properly or can it be tilted? Does it make a difference? (Dell`orto 21 Red)

what was that blue stuff you put on the screw?

have the same cylinder kit :)

Is dit een team of de gewonen

what is that carb?? I am looking to buy a bigger carburator and i just do not know which one Do i pick? I have a Derbi senda xtreme 80cc airsal Can you help me please? Because there are so many options. Do you know who fits the best for my bike?

Bro using 2 stroke oil in the gearbox.

Le phbg avec un 80 malossi ca fait petit. Surtout que les plus gros phbg font 21

in first two minutes you use open flame and a hammer, all against motorcycle repair principles

how much do you buckle the engine?

your supposed to hit the outer ring of the bearings not the whole bearing no wonder if they break soon:DD

Heb jij een drd pro?

Saubre arbeit 👍

What paint did you use? Can you send a link and how many layers

Where can i buy a engine like this? Please tell me, cuz i wanna build a fast london

Is 76.5 cc

Never ever hit the end of a crank ffs 🤦🏻‍♂️ and I didn’t see you time the balance shaft up with the dots

How much does it cost to build one of these ?

where are you come from

Music end please

kasikybäne malossi

Balanssissa olevan kampuran lyöminen vasaralla😬

stop the mechanics you never tap to enter an object even less on the crankshaft and there is a squish to respect

it runs but doesnt drive :D

sorry to say but this is jsut hard to watch with the terrible sound quality the working sounds goes only to one ear and the music to both

Za dużo młotka i uszkodzone bieżnie 🤦🏻‍♂️

Normalement ya un venturie avec la boîte à clapet et sinon c'est de la belle meca mais ya aucune vérification tipe squitch ou truc comme sa

poorly assembled, crankshaft mustnt be hammered on

Według mnie głupotą jest walenie młotkiem we wszystko co się da przy składaniu silnika, a tym bardziej w wał, który może się zcentrować. Po odpowiednim rozgrzaniu wszystko wchodzi w siebie jak w masełko. Nie potrzeba żadnego młotka!!! To tylko moje zdanie. Osobiście nie polecam tego filmu jako wzoru przy składaniu waszych silników oraz tego Pana jako wzoru do naśladowania.