Suzuki RM-Z 250 repair of damaged head of engine.

Rescue of motorbike head RM-Z 250.
. . . for more interesting videos click ,, HERE "
/ @paulxchannel

[@colinkensley]

Your work is amazing thank you for sharing your knowledge

[@PaulXchannel]

Thanks

[@motoboq9606]

awesome work!!! problem with this engine and kxf engine factory had error in manual for 12nm cam torque and it was supposed to be 9nm. stopped seizing cams when i dropped to 8-9nm and they later changed service manual because of error. i wish they came with removable/ replacable cam bearing like this

[@trevorharris5391]

Hi there this has happen to my rmz250 too where are u based ? and what sort of money would this sort of work cost so I could get me head repaired ? Great video 👍

[@arturomedina5746]

Did you ever get your head repaired? I just got a 2019 same problem

[@aaronbligh3619]

I could watch this all day, that's excellent 👍

[@edwinjidat8885]

At my experience, the best matrial for bearings is a soft cast iron. Coz they have big sponge holes. It can keeps oil even they are dried. I'm used for crank shaft bearings without having any problems. And last longer. Otherwise, using cast aluminum ( i melt it from engine scrap)

[@PaulXchannel]

Ok

[@josephcowley803]

How much does this cost i need same thing

[@supertedogpriken]

Amazing work you did there. What is the reason they got broken in the first place? is it oil starvation that makes it worn out like that?

[@PaulXchannel]

Thanks . The reason is to little oil.

[@bevanwilson5642]

Ha I have recently done the same thing though I retained the bearing shells the same way as with crankshaft brearings, an interferance fit. the camshaft wasnt badly scored and polished up fine. When I made the bearing shells I held the two halfs in a four jaw chuck in the lathe, took a couple of goes before I had a succesful outcome but it worked cheers

[@PaulXchannel]

Thumb up.

[@masilamani4893]

ககஅஅமமமமமகஅமஅஅஅகஅஅஅமமஅஅமமமஅஅமஅஅமமஹமஅமமஅமஅமஅமஅமுமமமஅஅமமஅஅமஅமுமமஹஹஅகமமமகமஹஅஹஹஅமஅஅமஅமஐஅஅஅஅஹம

[@masilamani4893]

ஸௌஅஹஐ

[@tonygoodlad1487]

If

[@506mountainrenos]

how much do you charge for the same procedure but on a 06 Rmz 450

[@marvinranido9918]

for this video I suggest all people have motorcycle before you running the motorcycle You need to starting your engine atleast 5mnts to 10mnts to become up oil engine.

[@mecalpsha4473]

AWESOME work - subscribe! Curious why they don't use a 'plain' bearing in the head?

[@PaulXchannel]

Due to size and weight.

[@mecalpsha4473]

@@PaulXchannel Thanks - for the update GREAT work!!!

[@dedysuwarwan1512]

Love from indonesia

[@joshbeck289]

Is this even justifiable how much would you hafta charge too do that much work?

[@sopr2386]

how long dit it take you ?

[@thunder4ce1]

I have a wr450 head in a very similar condition that needs repairing. Do you have a business website?

[@diydirtbike4625]

I can’t understand if the bearing, after being made on the lathe is then cut through the centre, then how is that a perfect circle? What am I missing? Thanks

[@PaulXchannel]

One bearing is made of two pieces. It is cut and then milled in the cylinder head into a precise semicircle.

[@edwinjidat8885]

Just for inform. Don't used aluminum alloys for bearings. They will stick to cast iron, coz that metal didn't have sponge holes. Thats why all engine using cast aluminum. Rather than aluminum alloy, i suggests using cast iron or bronze ( copper phosphor) they wouldn't stick to cast iron (cam shaft)

[@PaulXchannel]

Thanks for information.

[@carlosarielperez7139]

Excelente trabajo. Saludos desde Argentina

[@DANODAN13l]

Quen duración te da la reparacion en funcion ?

[@RobertKinkade]

I got a rmz450 That I need this done to how much u charge

[@tracyhuggins7604]

Can I send you a 2009 kx 250f head with the same issues. And what would it cost?

[@AEXRT65]

Great job. 👌👌What hapend to that cylinder head? Oil pump falure, low oill?

[@PaulXchannel]

Thanks. Low oil.

[@chrisstephens6673]

Lovely repair. Did i miss something, splitting the bearing will surely not be a perfect circle anymore or did you make 4 and only use part of each?

[@PaulXchannel]

Thanks. Everything is centered.

[@edwinjidat8885]

For each bearing, using 2 rings. Using 1 bigger than an half part. Bolt to the head and facing after

[@PaulXchannel]

@@edwinjidat8885 ok

[@chrisstephens6673]

@@edwinjidat8885 that was my thought, too.

[@melissagross3180]

is the material you use to reace the scared cam bearings harder than the original material that came on these heads ? Do you offer this service to the public ?

[@PaulXchannel]

the material is better the work is not for the public

[@evgeniydidoruk6179]

Hello Friend! In which country can this be done ???

[@asapkluska9102]

how much is something like that ? respect from poland

[@motowilcy9746]

How much cost that type of repair? Respect from Poland +1

[@evgeniydidoruk6179]

Красавчик,👍👍👍

[@evgeniydidoruk6179]

How much will the payment for your work be ???

[@ri2frecords672]

Hello, I am in the same situation as you, and I would like to know if it is possible that you did this to me, but I am from France ... Thanks

[@growcrow5397]

Do you have a company? I need a head done also

[@DisruptiveUnicorn98k]

i always wondered how they seized , so it happens when there is lets say less than 600ml of oil in engine or less than 400ml idk or faulty oil pump its not something i know but intresting to know

[@user-bu6zb8gj3j]

Hi, what is the cost for this type of work?

[@Ronaldy-c8y]

Salve sou do Brasil

[@ianramos3355]

What is the cause of the problem? Excellent work!

[@PaulXchannel]

Thanks. A pump failure.

[@ianramos3355]

I need to bring spare parts to Chile! Do you have a reliable store to buy?

[@PaulXchannel]

It's just a hobby.

[@koboyrungkad1353]

Amazing work👍👍👍

[@PaulXchannel]

Thanks

[@koboyrungkad1353]

@@PaulXchannel where are you from? I'm from indonesia

[@farshidzr]

The best 👍

[@user-ku6ep4dj3w]

Good work

[@melissagross3180]

love to get a price from you to rebuild my head

[@tonohartono8605]

Alus pisan ...rapih...goodjob👍👍👍

[@PaulXchannel]

Thanks

[@koboyrungkad1353]

@tono hartono ajak ngobrol bahasa sunda ath kang🤣🤣🤣

[@tonohartono8605]

@@koboyrungkad1353 muhun kang...duhh ieuteh terpesona ku alat2na meni pikabitaeun Kabeh...da propesinamah sami abdi ge tukang ngorter..duh iraha abdi gaduh alat nu caranggih!!! salam kenal ti urang Bandung kang...

[@koboyrungkad1353]

@@tonohartono8605 tah eta kang,sami abi oge kang ningal alat" na pikabitaeun...langki di urng" mh alat sepertos kitu th. Wilujeng...sami abi oge ti bandung timur kang😁😁😁

[@tonohartono8605]

@@koboyrungkad1353 abdi ge sami ti bandung timur.rancaekek..akang palih mana?

[@bcnasd2411]

que tipo de material en espesifico ese esa barra de aluminio

[@markcortis2348]

Quality,👍

[@aldohuergo2011]

By chance you know how to replace the water inlet on the head it apear in the minute 10:07 mine got corroded and i don’t find the piece :) 😅 and dont know how to 😂

[@baatilbaatil4962]

Essayez avec cette orthographe : bonjour, j'ai une culasse qui a le même problème. pourriez vous la réparer ? et combien ca me coûterai ? merci pour votre réponse. hello, i have a cylinder head which has the same problem. could you fix it? and how much will it cost me? thank you for your reply

[@user-yx2jt6zq1z]

Наварил Tig , да проточил .....

[@leocadioxargarcia9322]

Donde consigo empaque de culata de la RMZ 250 modelo 2013

[@numanyildiz7100]

Perfect!

[@HentaiCheaters]

What series alumunium did you uae for sliding bearing material?

[@PaulXchannel]

AlMgSi0.5

[@HentaiCheaters]

@@PaulXchannel 6060? Why not use 7075 i think its harder than 60xx

[@PaulXchannel]

@@HentaiCheaters I make pistons from this material and it works very well.

[@GarageBuddys]

Che lavorone 👍

[@PaulXchannel]

Thanks

[@panjisatrio7318]

Mantap bos

[@joshbeck289]

This guy is way over qualified for this job lmao

[@Crowbargreg]

Whats the name of your business? I may need your services i fox motorcycles.

[@jurgenlaane232]

Hello Paul ! I need Your Contact , If it is possible,i will send to you one cylinder head 2009 rmz250

[@andreluisluis7463]

Perfect

[@projectrestore2t178]

can you send me contact for you i have cylinder head from yzf 250 for repair

[@777cerovski777]

Cam caps look like they might be a little weak now

[@PaulXchannel]

Yes, but this is how you rescue your cylinder head.

[@777cerovski777]

Not bashing on your workmanship you did a very nice job.

[@777cerovski777]

I would have done it a little bit differently

[@PaulXchannel]

@@777cerovski777 ok

[@c__TattinhNhi]

Wao

[@msrx08]

Why didn't you use bronze for bushings?

[@PaulXchannel]

They are better ?

[@GuerillaMovie]

​@@PaulXchannel for sure! Bronze is self-lubricating and more resistant than aluminum. It is currently and widely used for these purposes, practically on all car engines. Being more resistant you can make these bushings thinner. I wonder why they don't use it on these heads, now I understand why these bikes don't last so long. To be precise there is a special bronze just for these purposes if I remember correctly. If you inquire around you will find confirmation.

[@PaulXchannel]

I think not. WARNING. There is a different thermal expansion in the aluminum cylinder head. It doesn't work well with bronze bushing.

[@GuerillaMovie]

@@PaulXchannel ok.

[@msrx08]

@@PaulXchannel automotive engines and heads are made of aluminum but ok.