YZ250 WR Gearbox Conversion // YZ Enduro Build

YZ250 WR Gearbox Conversion // YZ Enduro Build - Part 4

Рет қаралды 12,052

2 жыл бұрын

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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Пікірлер: 66

@TheShredist 2 жыл бұрын

I misspoke in the video. The doner gearset is from a 2002 wr426, not a 2003!

@gordonstimmel4590 10 ай бұрын

You still messing with that bike?

@gordonstimmel4590 10 ай бұрын

It doesn't work in fifth

@gordonstimmel4590 10 ай бұрын

I played this game I promise certain things doesn't work correctly.

@TheShredist 21 күн бұрын

It works perfectly. I did a 3 hour hare scramble on it and 5th is super tall now.

@genisis53 2 жыл бұрын

“They shouldn’t blow up… but you never know” is how 100% of home mechanic jobs go

@Crucifiedego 2 жыл бұрын

That cardboard layout hack is.... Genius.

@theblishknovk 3 ай бұрын

This vid is awesome! Great xr action!

@inhalethetrail3935 Жыл бұрын

my dude where you at? Hope your doing well.

@edriley1516 2 жыл бұрын

That cardboard template idea and putting the bearings in the freezer is nothing short of pure genius!

@robertreyes6613 Жыл бұрын

I put a wr trans in my 01 yz250f best mod I’ve done aside from putting a stronger 03 crank in it,hauls

@Leo_Inclan 2 жыл бұрын

SUPER excited to see the rest of this build! Keep 'em coming!

@toady..9833 2 жыл бұрын

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

@jajakfb9817 Жыл бұрын

How come the build series stopped is it coming back?

@chadrides914 2 жыл бұрын

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!

@aaronwaderides7209 2 жыл бұрын

Great video thanks I’m excited to see it all together and you ripping it on your property.

@lespaullen 2 жыл бұрын

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.

@TheShredist 2 жыл бұрын

That is a super great trick! I'll have to try that next time around. Thanks!

@lespaullen 2 жыл бұрын

@@TheShredist Heck yeah, works great on diff covers etc., you will be addicted to it lol

@gordonstimmel4590 10 ай бұрын

Fifth gear doesn't work right

@g-man-8096 7 ай бұрын

Nice

@PeterCPRail8748 2 жыл бұрын

Nice rebuild. Going to make for a fine smooth runner when she back fully togther again.

@64maxpower 2 жыл бұрын

I think it's crazy how parts swap between the 2 and 4 stroke bikes

@gordonstimmel4590 10 ай бұрын

Not really I fucked around with this shit show what a fucking mess and fifth gear doesn't fucking work

@theenduropest Жыл бұрын

love it man! sick channel, MTB and Bikes, Yewwww!

@toddblewett319 2 жыл бұрын

Been waiting for this series FOREVER!!! Stoked that you’re working on it again! Nice work 👊

@gordonstimmel4590 10 ай бұрын

It doesn't work!!!!

@christianpeters6579 2 жыл бұрын

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.

@noobFab 2 жыл бұрын

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!!

@GeorgeLoch 2 жыл бұрын

Welcome back to the KZfaq office :)

@TheShredist 2 жыл бұрын

Its been a minute! Lol

@mattjames8320 2 жыл бұрын

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

@krazed0451 Жыл бұрын

Tidy work! Got another video on the way soon? :-)

@scottpink2013 2 жыл бұрын

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!

@noobFab 2 жыл бұрын

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 !?

@TheShredist 2 жыл бұрын

The venture is going very, very well. News on that soon lol

@gordonstimmel4590 10 ай бұрын

@TheShredist it does not work

@gordonstimmel4590 11 ай бұрын

Did u ever get it done???I did you got clutch problems coming lmao.

@64maxpower 2 жыл бұрын

Since you have the grinder out maybe match the cases to the transfers

@kevinjohnson162 Жыл бұрын

This is a sick build!…I wanna replicate it on mine. You should make and sell those Bull bar brackets

@gordonstimmel4590 10 ай бұрын

The wr426 transmission doesn't fucking shift right fifth gear doesn't work right its not worth the trouble

@piotrwaszka3491 Жыл бұрын

hi just rebuilding yz 250 and thought wr gearbox, my question will the 2003-4 gearbox from wr450 fit yz?

@XJonAye 7 ай бұрын

Whats up man, how did it turn out?

@josevelez49 5 ай бұрын

What was your final gearing (sprockets)?

@3XTS Жыл бұрын

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?

@gordonstimmel4590 10 ай бұрын

Just buy a fucking ktm I threw a few hundred away finding out why it doesn't work.

@3XTS 10 ай бұрын

@@gordonstimmel4590 I already own a Husky TE300. The YZ is a project bike just for fun.

@YanDoroshenko 2 жыл бұрын

Can the bolt hole still bring trouble by creating some sort of turbulence in the oil when the gears are spinning?

@TheShredist 2 жыл бұрын

I've had the thought, but I guess we will find out!

@clayboi6939 2 жыл бұрын

the spinning gears will create far more turbulence than the small bolt hole.

@jared2473 Жыл бұрын

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!!

@TheShredist Жыл бұрын

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.

@jared2473 Жыл бұрын

@@TheShredist awesome man! Do you know if the gear ratios of the wr are different to that of the yzx' 3rd 4th and 5th?

@TheShredist Жыл бұрын

@@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.

@jared2473 Жыл бұрын

@@TheShredist I appreciate your comments. the WR gear box sounds exactly what I'm looking for. ill dig a little deeper. cheers

@gordonstimmel4590 11 ай бұрын

It's been a interesting rodeo with my wr300yz

@fmxr47 2 жыл бұрын

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.

@TheShredist 2 жыл бұрын

You're right, I misspoke, it's from a 2002 wr426

@gordonstimmel4590 11 ай бұрын

I'm playing this game lol

@gordonstimmel4590 11 ай бұрын

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.

@gordonstimmel4590 10 ай бұрын

And then it doesn't shift into fifth when its running