Second Chance YZ250F Build

Johnnydirt
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Johnnydirt
Edited Date/Time 12/21/2021 2:57pm
Long short story, My 2017 YZ250F was stolen about a year and a half ago. With some dumb luck I was scrolling through FB Marketplace and came across what looked to be my old bike. Went to the guys house the next day and sure enough the vin was a match and still had most of my parts on it. I really couldn't believe that i got it back but it looks like its been 12 o' clocked bike life' d to death. The bike runs and doesn't smoke so i changed the oil and popped off the clutch cover to see what kind of shape it was in. Then i was greeted to this. Looks like the main shaft snapped!?! I'll have the GYTR tuner by Saturday so i can see how many hours are on it.
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Johnnydirt
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Johnnydirt 11/4/2021 8:52am
11/4/2021 8:52am Edited Date/Time 11/4/2021 8:53am
Before the carnage

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spimx
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spimx 11/4/2021 3:08pm
11/4/2021 3:08pm
How did you get it back, police involved?
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Chippy
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Chippy 11/4/2021 10:07pm
11/4/2021 10:07pm
NOT SPOKE-SKINS!!!

Well at least you've got your bike back, most importantly.
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The Shop

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Johnnydirt
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Johnnydirt 11/5/2021 4:12am
11/5/2021 4:12am
Yes called the police as soon as I read the vin they showed up in 5 min was awesome. Haha these spoke skins are a pain in the ass to remove. They where the first thing into the trash.
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adam8781
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adam8781 11/6/2021 7:55pm
11/6/2021 7:55pm
rarely do the bikes ever make it home again. im excited to hear how many hours
Johnnydirt
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Johnnydirt 11/7/2021 11:16am
11/7/2021 11:16am
Took it down to the frame for the rebuild. Can’t believe it didn’t blow up with this many hours on it.


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Phillip_Lamb
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Phillip_Lamb 11/7/2021 2:37pm
11/7/2021 2:37pm
Damn, almost 250 hrs on original piston?

I have heard of this every now and then from other yzf owners.

I had an 02 yz250f and rode raced for a year, probably 50+ hrs. Ran into the guy a few years later and still had been riding on original motor, figured he put 200 plus on it
Johnnydirt
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Johnnydirt 11/7/2021 7:17pm
11/7/2021 7:17pm
Yeah original everything! Waiting on a case spreader then I’ll send the crank and head off to get a new rod and a valve job.
Johnnydirt
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Johnnydirt 11/10/2021 6:40pm
11/10/2021 6:40pm Edited Date/Time 11/10/2021 6:42pm
Got the cylinder ready to go. Lucky my neighbor had the right size ball hone. Wheels trued up, need some new bearings for the rear wheel.


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Johnnydirt
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Johnnydirt 11/23/2021 9:54am
11/23/2021 9:54am
Got the crank rebuild by Ken O Conner racing in CT. Radiators came out sick thanks to ICW. Cases are prepped waiting on some of the bearings. Hopefully have the bottom end back together by end of the week.



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Bruce372
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Bruce372 11/23/2021 3:39pm
11/23/2021 3:39pm
Congrats on getting your bike back. I've had a couple stolen over the years and it sucks
caviar&cigarettes338 11/25/2021 4:04pm
11/25/2021 4:04pm Edited Date/Time 11/25/2021 4:05pm
Chippy wrote:
NOT SPOKE-SKINS!!!

Well at least you've got your bike back, most importantly.
Lol that’s when you know the bike hadn’t been taken care of if it has spoke skins . The husky I got had spoke skins and bike was beat to shit lol
hubbardmx50
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hubbardmx50 11/26/2021 4:11pm
11/26/2021 4:11pm
That’s awesome you got it back. Sorry to hear they screwed up your bike. That thing should be cherry when it’s all back together.
Johnnydirt
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Johnnydirt 11/28/2021 9:18am
11/28/2021 9:18am
Thanks guys! I hope to have it all ready to rip come spring time.
Electro21
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Electro21 11/28/2021 7:51pm
11/28/2021 7:51pm
Awesome you got her back! How much of a hassle was it? I assume the guy you got back from wasn’t the one that stole it?
Johnnydirt
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Johnnydirt 12/2/2021 6:08am
12/2/2021 6:08am
Getting the bike back from the cops was easy took a couple days. Who knows if he’s the one that stole it everybody has a story.
Johnnydirt
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Johnnydirt 12/2/2021 6:14am
12/2/2021 6:14am Edited Date/Time 12/2/2021 8:55am
Shift forks are giving me trouble. The clutch side spins fine but the other side is binding up. Everything looks like it lines up but when I put the case halves together the trans locks up.

*User error put a gear on backwards 🤦🏻‍♂️
all good now.


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Pit Row

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Johnnydirt
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Johnnydirt 12/8/2021 6:24am
12/8/2021 6:24am
Picked up a GYTR head with copper seats for cheap. Got it assembled with new valves, springs and got my shims ordered. Waiting on a crush washer for the bottom end.






Johnnydirt
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Johnnydirt 12/21/2021 2:54pm
12/21/2021 2:54pm
Got the engine built with the gytr head but after I checked the piston to valve clearance it was about .020 too close on the intake and exhaust. Used the standard head and got the engine back together.
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Johnnydirt
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Johnnydirt 12/21/2021 2:57pm
12/21/2021 2:57pm
Rear shock serviced and ready to go. DRC bleed cup made life way easier.




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Johnnydirt
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Johnnydirt 12/29/2021 2:55pm
12/29/2021 2:55pm
Had some more time after Christmas to do the forks. Got the Zeta free pistons from the wife for Christmas and used a Yamaha fork rebuilt kit to put them back together.

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adam8781
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adam8781 1/2/2022 10:13am
1/2/2022 10:13am
hell yea, keep the updates rolling
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Rider 5280
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Rider 5280 1/2/2022 3:01pm
1/2/2022 3:01pm Edited Date/Time 1/3/2022 8:17am
Awesome thread - thanks!

247H:05M ... epic! Your new race # should be 247! :-)
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Johnnydirt
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Johnnydirt 1/2/2022 4:44pm
1/2/2022 4:44pm Edited Date/Time 1/2/2022 4:45pm
Thanks guys was a labor of love! 99% done!! Started it up and it runs sweet. Waiting on my number graphics to come in. Did two 10-15 min break in rides on it and changed the oil. All looks good 👍🏼
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