YZ250 WR Gearbox Conversion // YZ Enduro Build - Part 4
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- Опубліковано 26 чер 2022
- Build Starts at 1:35
Today we're working on a crucial part of turning out YZ250 into a offroad machine. We're going to try and install a wr gearset into our YZ gearbox! The gears came from a 2002 wr426, and there's a little grinding to be done in order to make these new cogs fit into their new homes.
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I misspoke in the video. The doner gearset is from a 2002 wr426, not a 2003!
You still messing with that bike?
It doesn't work in fifth
I played this game I promise certain things doesn't work correctly.
That cardboard layout hack is.... Genius.
“They shouldn’t blow up… but you never know” is how 100% of home mechanic jobs go
That cardboard template idea and putting the bearings in the freezer is nothing short of pure genius!
This vid is awesome! Great xr action!
my dude where you at? Hope your doing well.
I put a wr trans in my 01 yz250f best mod I’ve done aside from putting a stronger 03 crank in it,hauls
SUPER excited to see the rest of this build! Keep 'em coming!
How come the build series stopped is it coming back?
good vid bud, i just got a wr450 box for mine, going do do the squish and re cc the head while its being stripped down
Great stuff man I much enjoyed this. Good luck with the project. I absolutely despise re-assembly of the trans and shift forks and cam!
I think it's crazy how parts swap between the 2 and 4 stroke bikes
Not really I fucked around with this shit show what a fucking mess and fifth gear doesn't fucking work
Great video thanks I’m excited to see it all together and you ripping it on your property.
I’ve always wanted to do this to my bike, but I’m too worried I’d put it back together and still have extra parts that I forgot went back into the assembly.
If/when you do a carb rebuild I’d be super into seeing that process. Probably something a few of us could learn from.
Fear not, I believe the process of selectively removing parts during the upgrade process is known as 'weight reduction'? A laudable approach for any self-respecting modder!!
Nice rebuild. Going to make for a fine smooth runner when she back fully togther again.
Nice video!!! One trick I have learned along the way is to use an ink roller to apply the liquid gasket. It is how they apply it at some assembly factories like Rotax. It works great, a nice uniform application and it stays out of your dowel holes / threaded holes.
That is a super great trick! I'll have to try that next time around. Thanks!
@@TheShredist Heck yeah, works great on diff covers etc., you will be addicted to it lol
Fifth gear doesn't work right
Been waiting for this series FOREVER!!! Stoked that you’re working on it again! Nice work 👊
It doesn't work!!!!
love it man! sick channel, MTB and Bikes, Yewwww!
Welcome back to the UA-cam office :)
Its been a minute! Lol
Nice
So you want higher 3rd 4th and 5th?
What about smaller rear sprocket!
If anyone has trouble sliding in the bearings you can throw the block in your oven, with the bearings in the freezer and that’ll help
I love the intro shot... it's snowy mid june at Shredist HQ. S'been a while ;)
Interior garage shots look stellar - those lighting and camera upgrades are paying divdends!
Been waiting for this. Thank you! Hope Sarah's new venture is going well !?
The venture is going very, very well. News on that soon lol
@TheShredist it does not work
Tidy work!
Got another video on the way soon? :-)
for sure a lost skill.....its amazing to see you build this at home. can't wait to see you rip it around ur property and tear up the yard!
This is a sick build!…I wanna replicate it on mine. You should make and sell those Bull bar brackets
The wr426 transmission doesn't fucking shift right fifth gear doesn't work right its not worth the trouble
Since you have the grinder out maybe match the cases to the transfers
hi just rebuilding yz 250 and thought wr gearbox, my question will the 2003-4 gearbox from wr450 fit yz?
Did u ever get it done???I did you got clutch problems coming lmao.
What was your final gearing (sprockets)?
Whats up man, how did it turn out?
Can the bolt hole still bring trouble by creating some sort of turbulence in the oil when the gears are spinning?
I've had the thought, but I guess we will find out!
the spinning gears will create far more turbulence than the small bolt hole.
This video helps me a lot since I want to try to do the same on a 2017 YZ250F. I have already installed the heavier flywheel and went to a 48T rear sprocket and she rides really good for trail rides! Want to try to get a WR or FX tran gears to make her 6 speed instead of the 5 speed MX tran. Any suggestions?
Just buy a fucking ktm I threw a few hundred away finding out why it doesn't work.
@@gordonstimmel4590 I already own a Husky TE300. The YZ is a project bike just for fun.
Awesome video! How do the gear ratios of the 2002 wr426 differ to that of the stock YZ250 and the YZ250X? I've got a YZ and YZX and both transmissions could do with some tweaking. I'd love the YZX 3rd in the YZ and maybe the YZX 4th to replace the 5th in the YZ, giving the YZ longer legs and a more usable 3rd. While in the YZX, Id like 5th to not be so long, and possibly even 4th. I love both bikes, but both bikes have their floors. I'd appreciated you opinion and keep up the good work!!
I only got one ride before the snow came, but the wr set in this bike is amazing. Went back to factory yz gearing with the sprockets (i had been gearing down to compensate for the tall first) and the wr 1st can crawl as low as you need now. Spread seems very even throughout the gears, and I wasnt able to find the top of 5th on the straights like I did with the yz trans and geared down sprockets. Again I need more seat time on it, but I think this should definitely be the gearset yamaha puts in their offroad models, its amazing in the woods now.
@@TheShredist awesome man! Do you know if the gear ratios of the wr are different to that of the yzx' 3rd 4th and 5th?
@@jared2473 i do know they are slightly yeah, not sure exactly what they are. I found that info digging into some forums, but the wr has a more even spread than the yzx, which is one of the reasons I went this route.
@@TheShredist I appreciate your comments. the WR gear box sounds exactly what I'm looking for. ill dig a little deeper. cheers
It's been a interesting rodeo with my wr300yz
Not trying to correct but want to ask. was the gear set from a 03-05 450 or from the 01-02 426. 2003 was when the 450 was introduced and the 426 ended in 2002. Figured this may be worth mentioning incase anyone tried to follow the same path as you and may ende up with the wrong parts. I'm not sure if they changed transmissions between the 450 and 426 though.
You're right, I misspoke, it's from a 2002 wr426
I'm playing this game lol
With my Athena 300 in fifth my clutch slips bad but I am changing a couple things there is a fix fir the clutch just 400 dallors I'm waiting on but I have a beast of a Yamaha that can pass a ktm crazy stuff anyways been through a lot with this headache lol.
And then it doesn't shift into fifth when its running
Where is part 5 ?
Soon! In the next few weeks as life permits 🤘
@TheShredist yeah what's going on do u need me to show them mine lol.???
please dont do part of the build of camera!
Nice