Tricks To Cleaning Dirt Bike Engine Cases
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- Опубликовано: 4 дек 2024
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We're nearing the start of the CR250 engine build so I thought I'd share some tricks to cleaning dirt bike engine cases!
-Cameron
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Bout time to put this engine together?
Can't wait!
Cameron Niemela you are awesome
Cameron Niemela The 250 will be better then it left the factory.
Dont forget to replace your clutch actuator arm bearings in the left side crankcase. I dont think the wrench rabbit kit includes them. At least they didnt when i bought mine for my 98 250. Cant wait to see the build complete.
Yeah it’s time to get my head re built on my 02 crf 450.
Cameron is probably the tidiest , cleanest , most professional mechanic I know of. We could all learn from Cameron and raise our standards !.
I ordered my first polishing wheel and let me say this is the BEST thing I have ever used to polish my aluminum parts . It takes years of tarnish and corrosion off in seconds leaving a like new luster . I also purchased the buffing wheel for a drill to reach hard parts and it works fantastic ! I highly recommend the products and very quick order processing I received on my purchase .
Thanks Marc! Happy to hear they're working well for you. Happy polishing!
The dirt bike chrisfix!
Oke when i saw this reaction i knew it was the best vid😂
Exactly!
This is such a great video, so helpful in so many ways, thank you Cameron!
Safety tip - those cases have razor sharp edges. I clipped an artery on my finger once while cleaning one, and now use mechanics gloves whenever working around them, especially with a high speed machine.
cameron never stop doing what you are doing, youre a huge inspiration to me and your vids are both entertaining and extremely teaching. wish i had such a good garage as you.
soderholm hi
Great video, Thanks! Not sure if this has been mentioned already but when you run into what appears to be Phillips screws on a Japanese product don't use a Phillips screwdriver because they are not Phillips. They are in fact JIS screws (Japanese Industrial Standard) They have a different form to them than Phillips. While Phillips are designed to cam out JIS is not, but use a Phillips driver on a JIS screw and they they will bugger up the screw. Best way to ID a JIS screw is to look for a dot on the screw head. Although JIS screwdrivers are hard to find the impact drivers usually save the day. Hope this helps those who wonder why Japanese screws always get trashed when removing them with a known good Phillips driver.
A cheapo trick to get by is to buy a harbor freight #2 phillips and grind the tip back a bit. It allows for more contact on the screw. Then buy some JIS drivers.
shut up stupid.
Thanks for sharing. I did not know this
freddie cancel dude, chill out
Aren’t JIS more square instead of a diamond in the middle of a plus? That is the best way I could think to describe it without a picture
simply amazing. takes a lot of patience and dedication for making those parts that clean
Those impact driver screwdrivers are absolutely invaluable!
For real, best money I’ve ever spent
Facts i can't belive i didn't know these existed before
It's nice when a job is completed to perfection!
hey cameron gracias por ser un maestro de la mecanica y dejarnos ese legado un saludo desde colombia
Dude... U really had the patience to polish all that... Oh my god!
I thought u were simply Going to clean and sandblast.
Amazing
I'm completely restoring my '03 KTM450EXC soon, and will be using your engine cleaning techniques, but I'll be going one step further. So that I don't have to do all that polishing a 2nd, or even 3rd time, I'll be cleaning all my polished areas with acetone, then coating it all with a High Temp "Clear" ceramic coat, baked twice to cure, so my bike comes back to looking brand new after every wash!
Started to really get into building bikes for the last year or 2 you’ve basically been my guide though it all lol great videos man 🤟🏻
Great to see the cr250 build back on track...keep up the good work fella
Such high quality and educational stuff here! I figured I needed special tools that were unobtainable. But I have most of these tools and am confident I could rebuild my 2 stroke if I needed to.
Nice job cam, love the patience and detail. I love doing all this myself and your vids help me skip the trial and error drama. I'll be picking some stuff up at your store.
Neat trick for those blind hole bearings. Put heavy grease inside them, stuff paper in axle hole and hammer that paper, remove it, put more grease and repeat . You will create quite surprising amount of hydraulic pressure and you can remove bearing without blind hole puller tool. I've used this multiple times and I know it sounds incredible to many, but this really works when done properly.
It was the way (don't know if they still do) mechanics used to remove pilot bearings from flywheels/cranks.
Get a solid bar that fits snugly in the hole, fill the hole with grease and tap the shaft in. Bearing is forced out.
I've seen people use bread to do the same haha
Of course another great video! Impact screwdriver is worth its weight in gold! I use mine ALL the time!
when I bought my honda cb450 in 1966 one of the things I also bought was a impact screw remover. Well worth having.
For difficult to reach areas buy a length of bowden cable, cut into 3 inch pieces and tape together. 7 is a good number to retain flexibility while allowing pressure to be applied. I also always finish off with 400 grit wet and dry whenever using steel wire on ali otherwise the finish is just a series of scratches.
Great attention to detail Cameron, I have seen similar results just with vapour blasting with wet soda in a cleaning cabinet like you already have. Maybe worth investing in this kit???? A bearing press is useful too. 👍🏻
Even though I work on smaller engines, such as Zenoah's I've got a spare toaster oven that I can heat aluminum parts up in evenly to about 130-150F and then just freeze the bearing and the leiden frost effect will let them drop right in and will burn off quickly.
Yo Cameron, I love your videos. Watched a bunch of them, all are nicely put together and informative. Right now I'm fully rebuilding a CR250 '00 engine, which I also going to be using your tips to get the crankcase halves looking this good. Thnx for sharing.
Seriously inspired me to clean my engine.
Great finish, how are you going to protect the polished look?
For all those who don’t have a blind bearing puller, find a flat end punch close to the inner diameter of the bearing. Take single ply toilet paper and wet it keep packing and hammering in. Bearing pops right out
It might sound weird, but bread works for that, too.
Im going to be cleaning an engine soon here. I was messing around with some steel wire cups and they cleaned it up very well, but left a darker finish. You think if i get a bunch of scotch brite wheels for a dremel that will get rid of that finish?
Great video. A trick I have always used for blind bearings is put the entire case in the oven. Let it get nice and heated then take it out and slam it down on a piece of plywood. They will fall right out.
isnt there a bearing for the clutch actuation rod in the case?
One thing you should mention is that the screws retaining the bearings are JIS head screws and are super easily rounded out if not using the appropriate bit. Otherwise, keep up the good work, like your videos!
The JIS screw is signified by a single dot which can be seen in the video
Would you pre-clean cases in wash tank, or possibly simple green then let dry out?
Are you going to clean\ repair thr exhaust system?? If you are going to do it, can make the video? I need help with this
What i usually do is use a steel wire wheel on an angle grinder to remove all paint or rust, and then i spray the insides of the exhaust with oven cleaner a couple of times and then preassure wash it, then repaint it.
Bike frame paint removed
Can you make a all in one video on how to rebuild a whole bike and tearing it down
This bike is going to look amazing
cant wait to see this finished!
Nice work. What stopped you from using different media in a hydroblaster?
Mate I love your content it’s always exciting to watch someone who’s patient with there work im keen to see this cr250 being put back together
Cameron can I ask why you never polished the intake and around the crank ? surely that would make for better power and delivery? i only ask as I was toying with idea and wouldn't mind some tips. or if there are any pro's or cons in doing this?
There's a lot of science and design behind porting. Not my specialty
That brass shine actually looked kinda dope imo!
Did you use any spray on the cases after polishing them? Does it keep its shine?
Nice video...now that looks better than new..
I like the polished look, but serious question, does doing this remove the protective coat/paint that comes from the factory? Will this polished look rust faster if not kept clean?
I wish I had your job get work on dirt bikes and ride dirt bikes all day everyday
When I did the case on my YZ 250 I popped the cases in the oven at 200 for about 2 hours and everything fell right out . I did the same thing when I installed the new bearing , but I put all the bearings in the freezer the day before and they dropped right in with no issues
Cameron there's a lot of pitting inside on where the flywheel sits would this be issue?
Did you use the fine cleaning or just the cleaning scotch brite pads?
How do you keep this beautiful aluminum from instantly tarnishing again? Is there a coating that will keep it nice for a while?
did you coat it with any product after polishing? I wanna do the same thing but I dont want it to rust after a while
Very good video man helps me a lot on my bike builds!
This soothes my soul...
Can you tell us some about socket or tapping for worn-out threads of an engine casing. ?
Is there any protective coat that needs to be applied after polishing to prevent oxidation Or rust
What brand buffing wheel is that? Im looking for a large stand buffer. That one seems very nice..great work!
Dude, you are so inspiring to me. This is exactly the kind of stuff i also wanna do. Ps. I want your workshop xd
hello awesome video, do you protect your motors with some sort of coating? or just wash it every ride?
What bench grinder is that? Looks nice.
Do you use any sort of clear coat after cleaning aluminium parts?id imagine they’d go dull pretty quick.
What do you use in your degreaser bath tub?
I really like the scotch brite wheel is awesome. Not overly aggressive. Wrap it up with some Aurosol on either regular bench buffer or dremel buffer pad and it will end up amazing.
When cleaning the cases how long will it take to oxidize again or look ugly ? How do you protect it after taking off the coating ? Please would like to know
Popping the bearings out would've been easier with a hydraulic press but you gotta work with what you got... great vids I enjoy watching them... I learn a lot despite being a mechanic by trade
Are you going to polish the intake?
bro, after assemblying the engine parts again will it effect the engine performance ? Will it have the power and torque that was there when it was manufactured first at the company factory ? And what is name of the brush u used ?
Another solid vid from The Man.
Do you know that after polishing finished, what need to be done to get the aluminum to get back to its original color?
Dude, I love the shine. Could you tell us what expressiveness the pads you use for general shining up are? Thanks!
Thanks! All the details on the pads are here www.prymemx.com/collections/cleaningpads
While you had it all apart,how did each half of the cases and cylinder match at the transfer ports,seeing as you have a dremel at hand.I know modern engines are a lot cleaner and closer to spec.Not as bad as attaching the pipe to cylinder and checking for any mismatch.
How did you get the engine to look so smooth instead of all scratched looking?
Hey man since we dont have these products here in Europe do you have any product recommendation that i can find here as well? Specially aluminum cleaner
this is high quality content
Looks killer. Whats the best way to keep it looking shiney. Have you tried any long lasting wax based product that lasts? Polished over painted any day for me. Nice work man.
Good video, but do you think that polished aluminium won't corrode in a short time? IMHO Honda bikes comes with some coating from factory to prevent it. Stock Honda engines that I've seen are not shining, they are just grey.
Dmitriy Krupin certainly needs to be reanodized or it will turn into garbage within weeks.
Insane looking Cameron, great job.
Did you clean it, inside out?
And how about to maintained it?
Hey, i am going to start a project in a while and i have to make som alu new again. Where can i get these super good scotsbright (?) things ? Thanks !
Ow wait it is in de discription
A lot of thanks !
One thing for anyone trying to tear an engine, heat up every bolt/nut to be safe, especially if you’re a rookie! Best tip out there. And drivers.. lots of drivers… I remember my first clutch nut, I had to grind it off.. and my second one I just gave up it on and left it. Nowadays first heat, and an impact driver.. works like a charm. PS I pre-heat EVERY bolt and nut even case bolts before. Only stuff like plastics I just wd40, those can be dremelled
The 250 is gonna look sick!
how many small dremel bruches do you need for the whole engine block ?
bro what chemical can i buy to remove grease and oil in the motor? i'm planning to restore my honda xrm110 and do you have a video how to fix stuckup kickstarter? thanks
Hi in no mechanic…. I’ve just split the case on my 01 cr250 … my cases are at the stage you are now … why ares yours so clean ? … I’m putting in a vertex rebuild kit …. Can I now jet wash the cases with water to get the grease and oil off them … as I’m sending them away for aqua cleaning … ? I don’t have a parts washer 😢 … what do you suggest ?
Very nice video thanks فيديو جميل جداً شكرا
Those cases came out great didn't they. The brass wire while softer to use on aluminum, it does however transfer in to the pours of the aluminum leaving a goldish color. The goldish color is fine if that is the look you're after. I had the same thing happen before. Next use some Blue magic to further polish and help seal the cases.
Hey Cameron, do they make a scotchbrite cone or v-shape? That would be awesome for you.
Love your videos been following you for a long time, you should build yourself a vaporblaster, once you have one you can't live without it ! Saves so much time
Do you think I could do this with the fresnel with the motor on the frame
Thank you for the video, crank case looks good!
How did you protect the finish?
tbh the brass color looked pretty dope
Love Your Videos Cameron! Your Living The Life!
This guy would be a good guy to live beside of
Also for that extra nice finish use some metal polish and some cotton buffing pads on the outside of the case but tape off the inside you don't want that stuff on the inside. Can also clear it for longer lasting and protection and easier cleaning.
Thank you for information. Rebuilding a grizzly 700 engine and it's filthy!
Quality content.
Aren't the cases powder coated to grey? Does it start to rust if you don't powder coat or paint it after doing this?
Ever thought about getting a vapour honer?
Holaaaa! Excelente trabajo, me voy a tomar un tiempo para deja mi motor así. Saludos!
Your work is awesome. This cr250 will shit all over hondas factory build haha I'm keen to see what you do with the topend, Oversizing? Porting? Port matching? Reed valves an cage? Carb? Endless possibilities mate keep it up love your vids, take care Mark.
top workmanship. What camera do you use Cameron for your vedios?
Thanks! I use a Canon 80D
Can you do manually with rubbing paste and cloth ?? I want to polish mu crankcase without taking them out from motorcycle.