2012 YZ290F black & finished with pics

Panic_Rev
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Fayetteville, AR US
Panic_Rev 3/13/2017 8:36am
3/13/2017 8:36am
black-smoker wrote:
[img]https://p.vitalmx.com/photos/forums/2017/01/27/171833/s1200_IMG_5089.jpg[/img] [img]https://p.vitalmx.com/photos/forums/2017/01/27/171835/s1200_IMG_5087.jpg[/img] [img]https://p.vitalmx.com/photos/forums/2017/01/27/171836/s1200_IMG_5088.jpg[/img]






Do yourself a favor and throw that filter cage in the trash! I dropped $2,500 rebuilding my bike last month because the needle on the cage backed out and got sucked through my engine. Thank God the engine went on a small jump and only my ego was bruised.
black-smoker 3/13/2017 4:03pm
3/13/2017 4:03pm
Slosh 112 wrote:
Don't wanna bomb your thread with a heap of pics of my bike but have a look at my build thread. I got almost every aluminium...
Don't wanna bomb your thread with a heap of pics of my bike but have a look at my build thread. I got almost every aluminium part on the bike done in black bar the swingarm, rear suspension rocker linkage, Cylinder and a few other things. Theres a fair few pics on there, they start at around page 4 or so if you don't wanna go through the whole lot. 2008 RM125 Rebuild.
Thanks, and what a good job you did on that bike!
Good to see how the anodizing will turn out on different materials
black-smoker 3/13/2017 4:08pm
3/13/2017 4:08pm
Panic_Rev wrote:
Do yourself a favor and throw that filter cage in the trash! I dropped $2,500 rebuilding my bike last month because the needle on the cage...
Do yourself a favor and throw that filter cage in the trash! I dropped $2,500 rebuilding my bike last month because the needle on the cage backed out and got sucked through my engine. Thank God the engine went on a small jump and only my ego was bruised.
I really appreciate your input here, last thing I could handle would be an totaled engine. I'm gonna have a look at that cage and see what can be done to make it safe! Thanks again
Row596
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AU
Row596 3/13/2017 5:40pm
3/13/2017 5:40pm Edited Date/Time 3/13/2017 5:41pm
You could always just cut the mesh out of the stock cage, I done it on my 14 yz250f its easy as but you just gotta make sure you get all the little fine bits off mesh off the cage

The Shop

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Slosh 112
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Slosh 112 3/14/2017 3:35am
3/14/2017 3:35am
black-smoker wrote:
Thanks, and what a good job you did on that bike!
Good to see how the anodizing will turn out on different materials
Cheers mate, the anodising seems to be holding up really nicely, its as good as the aluminium itself. The whole bike is getting a total tear down and rebuild again around a new frame, the original frame is rusting from the inside out. I've already got two rust holes in the lower frame rails. its only got 6.7hrs on it now but its a good chance to see how the anodising holds up during maintenance when i put a new ring on the piston, its already miles better than paint or powder, if I could anodise a steel frame I would.
black-smoker 3/16/2017 2:20pm
3/16/2017 2:20pm
These 2 showed up on the internet for good money,
so i couldn't resist. It's so addictive buying stuff, and it's so hard to draw a line ..... you simply "need" all the things that is out there, otherwise it doesn't feel like you built it to what you wanted it to be. The one thing that is certain: it's a true money pit
black-smoker 3/21/2017 7:05am
3/21/2017 7:05am
Put the outer fork legs in a lathe, a 5-minute-job I thought...... not so. First I needed to use real coarse sand paper, then finished of with wet 400 grit paper.
Really good anodized from the factory obviously!
Now they are of to be black hard-anodized.



black-smoker 3/26/2017 11:32am
3/26/2017 11:32am
Pro Works engine stand, really worth the 30$ i payed for it! Had my doubts before i tried it, but it
was very useful.






Row596
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AU
Row596 3/26/2017 8:48pm
3/26/2017 8:48pm
black-smoker wrote:
Pro Works engine stand, really worth the 30$ i payed for it! Had my doubts before i tried it, but it was very useful. [img]https://p.vitalmx.com/photos/forums/2017/03/26/183965/s1200_IMG_5514.jpg[/img] [img]https://p.vitalmx.com/photos/forums/2017/03/26/183966/s1200_IMG_5517.jpg[/img]...
Pro Works engine stand, really worth the 30$ i payed for it! Had my doubts before i tried it, but it
was very useful.






Where abouts did you get the engine stand from mate?
black-smoker 3/27/2017 1:54pm
3/27/2017 1:54pm
Row596 wrote:
Where abouts did you get the engine stand from mate?
You will find it at 24MX, pro works is the manufacturer.
black-smoker 3/30/2017 10:54am
3/30/2017 10:54am
Sent the forks and shock piston week ago,
got them back today! DLC coating it is
black-smoker 3/30/2017 10:58am
3/30/2017 10:58am
Cases slammed together!

KooyaKooya
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Salt Lake City, UT US
KooyaKooya 3/30/2017 1:47pm
3/30/2017 1:47pm
black-smoker wrote:
[img]https://p.vitalmx.com/photos/forums/2017/03/30/184651/s1200_IMG_5556.jpg[/img]


I would totally leave those outers the way they are. They look awesome! More susceptible to corrosion etc., but so what! Very unique. Maybe clear coat them?
black-smoker 4/1/2017 4:04am
4/1/2017 4:04am
KooyaKooya wrote:
I would totally leave those outers the way they are. They look awesome! More susceptible to corrosion etc., but so what! Very unique. Maybe clear coat...
I would totally leave those outers the way they are. They look awesome! More susceptible to corrosion etc., but so what! Very unique. Maybe clear coat them?
Yes it would look nice, but they will not hold up for roost if they ain't hard anodized. But they will become black so it will look really cool I think!
Slosh 112
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Slosh 112 4/1/2017 5:05am
4/1/2017 5:05am Edited Date/Time 4/1/2017 5:07am
KooyaKooya wrote:
I would totally leave those outers the way they are. They look awesome! More susceptible to corrosion etc., but so what! Very unique. Maybe clear coat...
I would totally leave those outers the way they are. They look awesome! More susceptible to corrosion etc., but so what! Very unique. Maybe clear coat them?
black-smoker wrote:
Yes it would look nice, but they will not hold up for roost if they ain't hard anodized. But they will become black so it will...
Yes it would look nice, but they will not hold up for roost if they ain't hard anodized. But they will become black so it will look really cool I think!
I don't think anybody would have enough time in the day to keep polished tubes shiny and nice. I've polished 3 sets now and even after one week of being polished you can see oxidation in the surface. Bare aluminium like that is a chore that nobody needs.

Just a tip for next time you do a set in the lathe. Get yourself a decent billet of aluminium and machine it .05mm smaller in diameter than the ID of the seal carrier in the outer tube and around 5mm long to create a mandrel of sorts. You grab the billet in the 3 jaw lathe and the tube will slip fit over it and you can use the tail stock with a centre to keep in line.

I'm going to try chemical stripping the anodising off the outer tubes for the next set I'm going to do, would save so much time.
harescrambled 4/1/2017 2:24pm
4/1/2017 2:24pm
Black-Smoker, regarding your choice of components for the build: The Athena 290 kit will do you proud with the stage 2 came and ported head...just have to get the fuel mixture right. The Carillo rod is an excellent choice. you can't buy a better rod in my opinion. I've run an Athena 290 kit for 3 seasons in my GNCC bike, a 2004 RMZ250. Always made terrific power, never had any sealing issues or gasket problems (perhaps the poster with gasket issues had a cylinder head that isn't straight). Two things about the 290 kit though that you must not ignore under any circumstances...the maintenance intervals for replacing the piston, and warming the bike up thoroughly. If just run it without keeping up on piston wear, eventually you'll lose a piston and cylinder, if not a rod as well, which usually takes the cases with it. As for warming up the engine thoroughly, if you don't warm it up correctly, you'll get an odd 4 corner wear pattern in the cylinder (it corresponds with the edges of the the gussets for the wrist pin in the piston...) Sweet build though!

Pit Row

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Tokyo_Tiddler
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Somewhere in, NJ US
Tokyo_Tiddler 4/1/2017 6:17pm
4/1/2017 6:17pm
You could clear anodize those upper fork tubes. Black will look really nice, but clear anodize will set the bike further apart from the crowd.
mxb2
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mxb2 4/1/2017 6:26pm
4/1/2017 6:26pm
Row596 wrote:
You could always just cut the mesh out of the stock cage, I done it on my 14 yz250f its easy as but you just gotta...
You could always just cut the mesh out of the stock cage, I done it on my 14 yz250f its easy as but you just gotta make sure you get all the little fine bits off mesh off the cage

Save the chance of shavings,. No toil screenless cage $50
black-smoker 4/5/2017 2:21pm
4/5/2017 2:21pm
Thanks for your inputs guys, but regarding the colors this will be an extremely black bike i can assure you
The shopaholic in me couldn't resist these for half the retail, and the old ones where due for the trash can anyways.




black-smoker 4/10/2017 10:56am
4/10/2017 10:56am
Im loosing control regarding the details I think, the two visible cylynderhead bolts getting black (as the rest of every bolt and nut)

black-smoker 4/10/2017 10:58am
4/10/2017 10:58am
A box that I slowly fill with sandblasted parts to be anodized or powder coated

black-smoker 4/19/2017 11:08am
4/19/2017 11:08am
Engine almost finished, waiting for gaskets and valve shim-kit


The chain tensioner is getting black anodized soon,
doesn't look nice like that
Markee
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Markee 4/20/2017 5:27am
4/20/2017 5:27am
Good work! Love that engine stand, got to build one like it. Was going to get the Fly racing one but it doesn't look to work well with assemble and disassembling cases.
black-smoker 4/21/2017 2:13pm
4/21/2017 2:13pm
Markee wrote:
Good work! Love that engine stand, got to build one like it. Was going to get the Fly racing one but it doesn't look to work...
Good work! Love that engine stand, got to build one like it. Was going to get the Fly racing one but it doesn't look to work well with assemble and disassembling cases.
Thanks, this engine stand is from pro works and it worked mostly perfect. The only thing I did was to add an support for the bottom of the engine case, because when I put the cases together I had to take off the big locking bolt that hold it in place which made the case lose on the stand.
DrSweden
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DrSweden 4/21/2017 4:45pm
4/21/2017 4:45pm
Looks good, impressive work. If you wonder what happened with your YZ250 engine, it landed in this Ebay frame...



Cool
black-smoker 4/22/2017 12:13pm
4/22/2017 12:13pm
DrSweden wrote:
Looks good, impressive work. If you wonder what happened with your YZ250 engine, it landed in this Ebay frame... B)
Looks good, impressive work. If you wonder what happened with your YZ250 engine, it landed in this Ebay frame...



Cool
So it was you who bought it, judging by the picture it got a nice home then! Do you have the bike here in the build section? Searched but couldn't find anything
DrSweden
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DrSweden 4/22/2017 12:55pm
4/22/2017 12:55pm
black-smoker wrote:
So it was you who bought it, judging by the picture it got a nice home then! Do you have the bike here in the build...
So it was you who bought it, judging by the picture it got a nice home then! Do you have the bike here in the build section? Searched but couldn't find anything
No, not yet. I hope I have pics showing the build, but I feel with yours, and others, I hesitate making a buzz. Smile
black-smoker 4/28/2017 11:56pm
4/28/2017 11:56pm
Valve clearance is sorted, clutch is put together. Just the covers left and chain tensioner.






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