Honda C90 engine teardown - Part 2

This is part 2 of the C90 teardown.
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[@DytliefMoller]

Matt, please keep the teardown vidz coming. Sorry for the long winded post... but having opportunity to speak to you is limited. Weirdly, I have a similar life story like yours (your personal QA vid) and enjoy time on my own in my "workshop" My dad was a bastard and cold...but anyways I started from a young age opening stuff "to see how it works". I get super angry/annoyed easily and mechanical work is soothing to me. Thanks for all the hard work posting so many videos. ♥

[@mikemaifeld6280]

There is something satisfying about, seeing a better mechanic having the same problems I have had working on stuff.

[@sidecarbod1441]

Your joking aren't you? In part one a screw driver is used to crack open the side cases and who strips down any engine (even a C90) without first cleaning the outside of the engine? A decent mechanic learns these things then applies it to whatever they are working on, a lawn mower engine, bike engine, it doesn't matter.

[@du7ch384]

Really enjoying this hands-on engine stuff Matt The whiteboards ok but for those of us that like visual learning this hits the spot, It doesn't matter its a 90, 500 or 1000 It's the engineering and the principles Great stuff look forward to more

[@marcellucassen8033]

Very advanced technology, looks like the coils are liquid cooled, I was a little surprised to see the flywheel bathing in oil

[@upsidedowndog1256]

The rear axle on those old Honda bikes are usually the same thread as the rotor and will work as a puller.

[@iamawatermelon9299]

Loving the series so far

[@SuperTelecom]

Fuck yeah mate, been waiting for part two. These videos are lovely. I rebuilt a 1990 DT175 a few years ago that I've owned for about 15 years and all Phillips head ignition and clutch cover screws were absolutely rooted. I wish I'd had an impact driver then, it sure beats cutting slots in the heads to use a flat head. Rebuilding a 1994 DT200R at the moment after completely restoring a shagged 2003 WR450F and you bet your left nut I've got an impact driver now.

[@mmdirtyworkz]

Yeah! was waiting for part 2!

[@tiberiusclaudiusnerogermanicis]

These cliffhangers are killing me... I'm gonna end up swallowing a tub of copper grease... It's just not worth it anymore!!

[@SirDaffyD]

I'm loving this tear down. Loving the colourful language also. Bellend! LMAO!! I have a Pommy gaming mate in Thailand who uses that term all the time when refering to other players. lol. And from the accent, he comes from your neck of the woods. Keep the great content coming dude.

[@MickMcNasty]

Screwdriver through gudgeon pin, put wood or plastic under blade to save damage to gasket face.

[@TheOldRogue]

yeah been waiting for this, great awesome super stuff :)

[@johnsshed995]

Marvelous stuff , looking forward to the next exciteing installment ;-)

[@Puffalupagus360]

Could you possibly do a tear down/comparison between the c90 and the Lifan 110cc that was cloned from the c90? It would be interesting to see what of anything they were able to improve, and where they felt they could cheap out without getting caught out the engine just shitting the bed right away way.

[@dirtygarageguy]

Yes definately

[@Puffalupagus360]

The Workshop Awesome!!

[@jeelybeenz]

I tore the lifan down a few years ago, remember it being mostly similar apart from a different stator setup, different camshaft (didn't have the extend-o-cock thing on it) and had a different chain tensioner from what I can remember

[@MotoPIX]

love this series

[@onhawaii]

Seems like you learned how to drop a screw perfect! Did you pick that up from Isaac?

[@peterpritchett3553]

Need part three to feel complete!

[@Niamhcotts]

Thanks buddy great vids..

[@TheAnigai]

I just noticed that the whiteboard is hung upside down because the VIZ-PRO sticker is upside down. That's why everything Matt writes on it has been shown upside down.

[@SuperLeddie]

i wait in anticipation.

[@rossfinlayson9429]

Nothing like a fun game of dropsy with screws

[@firebladerider7050]

Stupid question but will you be rebuilding this? 🤞

[@dirtygarageguy]

Oh yeah

[@malcolmyoung7866]

Subscriber giveaway with 700 mile ride home seems a good idea...

[@halikarnonsumwlediven5311]

I believe that the tensioner work primarily on oil pressure

[@dirtygarageguy]

Cool - w'll be taking a look soon

[@hutchinson69]

Really interesting series. It’s just a shame none of the interesting bits were either caught on camera or in focus. Don’t worry though, no one comes here for the cinematography. 👍🏻

[@dirtygarageguy]

Like what?

[@hutchinson69]

Just kidding but the back of your head or your impact driver always seemed to be in between the camera and the bits that were being worked on. I appreciate that it’s probably a f*ck on trying to film it though.

[@Kolopsych]

Operation was a success... The tensioner rod seamed to be at full extension. Does it change the orientation of the pully or does it change how easy/hard it is for the ring to rotate clockwise? Love this new series, I'm looking forward to the time you exclaim "It lives buhahaha"

[@Polecat54941]

Sorry I just miss the whiteboard,Why can't we have more Whiteboard Matt!!!

[@LinkinMcOwnage]

Ahhhh JIS screws. Got to love mugs who have had a go at them with phillips drivers...

[@gutserker]

That CCT seems excessive. Only thing I can think of why it's there is to keep as many parts out of the head as possible, maybe for easier head rebuilds?

[@illumeo]

would that 8 quid thing you used on the ER5 (e71) have worked instead of the claw puller? decent pullers look expensive. if you should have a puller in your tool box what is the best size for working on bikes?

[@dirtygarageguy]

We'll be getting to this soon - I've fished out a puller that will be in the video

[@deanchild9848]

Matt what model number is that impact wrench your using is it the Ryobi R18IW3-0 18V ONE+ Cordless 3-Speed Impact Wrench ?

[@johnt634]

Your the best

[@MotoPIX]

In Indonesia we get only $20 to tear it down and reassembly. Spareparts excluded. Poor me 😂

[@inferior650riderhd6]

Really getting pissed off with Jis screws now. Got an impact driver but don't have a JIS bit to go in it and can't find one anywhere. Are u using a jis or just any old Philips or something

[@dirtygarageguy]

JIS bits I got from Japan

[@TheAnigai]

That flywheel says CT90. Now it makes sense because this isn't actually a C90 engine but a CT90 engine which is very very similar. Austrailians call them postie nikes because the mailmen over there still ride these. I think they only use CT125's now though.

[@DC-gy5jn]

Ha ha , had to mate , your Mrs did marry a tool ! 😁

[@codelicious6590]

Watching this is like having a pudding cup then when ya hit the bottom it's like, F#%k! Pudding's almost gone!!

[@mauricevandoeselaar]

Nice tappy tap. Where did i hear that before? Now do not i repeat do not put you thing in a vice or on ice

[@johnrimmer5812]

Was it a runner before Matt, are you overhauling it ?

[@dirtygarageguy]

overhauling = yes, running = don't know

[@C...G...]

cheers mucka

[@mcrande]

Matt if you don't answer that text from the Misses when she texts you you might as well sleep in the workshop.

[@cosmicsurfer5911]

Matt. Are you sure that is the chain tensioner and not deflection restrictor?

[@dirtygarageguy]

Well its applying a load to the chain.....

[@gutserker]

There's nothing else anywhere in the engine able to apply tension to the cam chain

[@malcolmyoung7866]

Matt, are you going to sell this or give this away once sorted...???

[@dylanheadrick3789]

Malcolm Young I'd imagine this would become some kind of test mule for experiments too heinous for one of his good bikes

[@malcolmyoung7866]

BOOOOO!!..This was the first 'bike' I went out on the road with.....all legal, honest!! My mate was a biker freak(on a C90), I was a car freak...with no car....so he let me out on it......Forgot to turn the fuel on, ran out at bottom of our local hill. Remembered about 30 minutes later...I was flapping like a 'good 'un' but he was really flapping like a cun7!!! All good in the end...he never let me have a go on his 'Busa.........

[@seanbax2622]

If the bolts holding the block together are that bad i would guess it was never running.

[@Faszinated]

What is the deal with that other shop did i miss something?

[@dirtygarageguy]

Other shop? Oh I meant to say storage unit, my bad.

[@Faszinated]

The Workshop i was already hoping for a machine Shop and a revival of the easy engine (i funking love that series)

[@beachboardfan9544]

You gunna turbo charge it!?

[@dirtygarageguy]

LOL no.

[@beachboardfan9544]

NOS then!?

[@dirtygarageguy]

Yeah of course - lol

[@Pgcmoore]

great series a coming, i can feel it, get yourself a cheap hand pump sprayer, fill it with kerosene or diesel fuel (cheaper than brake cleaner or degrease, but be sure to clean the sprayers nozzle and /o-rings after use). put the project on an old cardboard box in the driveway, then give it a heavy dousing and some time to soak, and repeat, then blast it with your air compressor to remove the gunk. better for video, better for your hands. you can lay the used box under the fuel of a bon-fire for a starter later on :-) looking forward to seeing the high performance rebuild modifications on the rebuild! could this or something similar be in your future??? LOL >>> i.imgur.com/QRcF6At.jpg

[@scott1brayden2]

Good ol plaggy 90 engine. Run um into the ground and they keep going

[@chasingcapsaicin]

Just order some new Stainless Steel bolts from pro bono lawsuit's

[@user-zm3wn8ks8u]

نريد فك وتركيب مثل هذه الدراجات ذات القيمة الجوهرية ولكم جزيل الشكر

[@shaun9107]

not complete yet the clutch

[@bigdave4729]

Sharp as a bastard 🤣🤣👍🏻

[@thebaitthatisnatori157]

Look mom I'm early!

[@woodysambusa]

you should of started on a Chinese copy matt its more of a entry level for beginers like you son lol

[@user-zm3wn8ks8u]

نريد تعديل ملف الهرباء من6فولط الى 12 فولط مثل هذا الملف البين يدي هذا المصلح

[@FatParamotorGuy]

Can't you afford an iphone, and why is your whiteboard upside down?

[@joegardiner4220]

The swearing makes the video for me

[@woodysambusa]

ffs southern boy del would ave had that in bits in 5 minutes with a mig welder n a bit o angle iron lol

[@gutserker]

Turns out my cheap aftermarket chinese hydraulic clutch master cylinder is...well, chinese, and is wearing. Can't find a good solution short of chucking it and trying to find a master from a real bike that's cheap.