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CT90 Engine Exposed!
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- Опубліковано 24 сер 2019
- I made this video to show the internal workings of a Honda CT90 engine. I built the engine using CT90 cases that I had machined so the the engine would still function mechanically and so that you would be able to see all of the components operating from the outside.
This video is a part of a post I did at my CT90 blog that is focused on the repair and restoration of Honda CT90 and CT200 motorcycles.
My blog can be viewed at: ct90restoration.blogspot.com
AMAZING! The 1976 trail 90 is the first motorcycle I ever rode by myself when I was 8 years old, I was KING of the WORLD that day!
NVMCRIDER I know the feeling! I went from a 5hp mini bike to a Honda Z50 to an IT 175
That was a lot of fun to watch. I know that this took a long time to build the engine. Thanks for sharing!
I have four CT 90s in my garage (2 in running condition) and really appreciate what you have done here. Helps me have a better understanding of what I a working with. I will share this with others. Great job!
umpquajohn 4 ! Man you have a rental biz waiting to be utilized. But seriously, they are cool, and to have 4, your buddies shud be happy
Not going lie, probably the coolest video I’ve ever seen. Nice work!
Thank you for taking the time to build and film this cut-away ct-90 motor. Its a very informative display and teaching aid.
I've been reading your website for quite a while but somehow I didn't know about these videos. This is tremendous. Just absolutely incredible.
Hands down the very depiction of a Honda engine and all it's internal workings. Thank you.
Awesome work. You have done great work both here and on the Blog. Helping many of us that are working on these wonderful machines. Thank you for sharing.
This is amazing! Love all of your blog posts. Helped me out with my first CT90 rebuild. Keep up the good work, Mike!
This is amazing. I have re-built ct-90s for many years, and this is awesome!
That is absolutely brilliant to see everything moving and how it all works. I really appreciate all the work you have done to show us how it works, very clever stuff. the clutch is interesting how that works!
Enlightening! Thank you for offering this. Showing the starter in action is helpful. One complete cycle.
This is great. Thanks for taking the time to make this. Keep posting CT 90 videos please
That shows the thing of beauty that engine was and still is , as they still building them , amazing piece of Japanese engineering . 😎👍
Thank you for the effort of building this setup. It was exactly what I was looking for. Fascinating piece of gearbox.
This is cool! It's SO interesting to see what is happening in there!
Just came across this video today and must say thank you for your work, time and effort to make this video, I now have a better idea how the gearbox works.
As a current owner of a 1973 Honda Trail 90 or CT-90 I really appreciate this video. As a matter of facrt, I think it is about the coolest CT90 video EVER!!!!!!!!!!!!!!!!!!!!! So cool!!! Great Job!!!!!
This is an excellent resource for those of us who learn visually! Thanks for taking the time to share the results of your efforts with us.
I love my ct 110, this helps me appreciate it more.
And thank you for showing how easy it is to adjust the clutch....great videos !
Great video and perfect timing. In the process of setting valves, resetting the camshaft sprocket with TDC and adjusting the timing in my ct90. Watching this vid. helps immensely!
So good! I’m repairing a 1965 Honda 50. Engine is similar. This has been great in understanding how it works.
Great video, really appreciate all the work you put into creating the display and showing how it operates.
Wow! Thanks for this. I've really gotten into the little Hondas over the last 10 years and now have (3) 1965 S90, 1966 CM91, and a 1980 CT110.
I love this video. Subscribed!
Brilliant. Thanks for posting. In awe of this blokes mechanical prowess. What did us old blokes do before UA-cam came along ?
Thanks for your great job exposing the moving parts. It was really awesome!!
Very well done, and beneficial to many. Thank you for your time to create this very helpful demonstration.
Enjoyed this video thoroughly! I just made the purchase of a '67 ct90. Need to resolve carburetor and no spark issues in the short-term. Hoping to restore it completely this winter. Cheers from Vaudreuil (just west of Montreal) Canada!
I appreciate your comments on my video, I really enjoyed machining and building up this engine. I don't know if you have resolved your spark and carb issues, but this link to a post at my blog may help: ct90restoration.blogspot.com/2019/02/my-approach-to-getting-ct90-that-wont.html
Mike
Great work mate .... one of the best videos ever ..... shows everything you could want to see of one of these fantastic little motors. Will def like and subscribe
OMG this is the best thing to come out of COVID lockdown
I could watch this for hours.
Thumbs up Showed my son who rides a dirt bike. He careless but I enjoyed it
Great work!!! I would use a plain back ground in your videos. My eyes are tracking all of your equipment in back ground. I thinks it’s the hunter and gather in the human brain. Love this video!!! Hope your work is in a motorcycle Museum... Thank You
Very cool,I always wanted to know how the clutch disengaged when shifting,and I also wanted to see the clutch adjustment action thank you this was a Super interesting video you have a new subscriber👍
I am impressed. Lot of work & very well done. Thanks.
Incredible. Thanks for educating us.
great job building and showing the engine..thanks for the effort,,,
Thing of beauty. Just amazing to see... Speachless.
Great work on this, lots of effort put into it. Thank you.
Glad you enjoyed it!
this is so awesome, i cant believe its only had 4k views
the best video on the internet. thanks so much!
That's so cool! Thanks for sharing!
Wow! Thank you, this was fantastic. Thank you for taking the time to make all those cuts so we can see the inside of the engine, and then even going so far as to take us through all the working motions. Wish I could give you a double like or something. Thank you.
Exceptionally helpful, thanks!
Cool video! Thank you for making the cut away engine.
Excellent! Thanks for sharing.
Thank you sir! This is a masterpiece
just adding another comment that this is tremendously helpful to me. thank you so much, Im currently diagnosing a geabox problem with my 67.... this is incredibly helpful
Glad it helped!
AWESOME video!!! Thank you for making this!!
really awesome video. Thank you for this.
Beautiful creation!
Thanks for your video👏 👨🔧🏍
Enjoyed this very much.thanks👍
Most amazing video on exposing bike engine
Great video. Thank you.
wow nice work sir thank you
You are the best man thank you so much!
Excellent video and very educational!!!
Great work
Lots of jiggly-bits! Thanks for posting!
coolest thing ive seen tonight!
Nice work
great video man good job
Thank you for this!
Best. CT90 Info. Ever!
This would be a great tool in the shop to have next time I hear a new noise coming from the little Trail 90.
Excellent video. The flashing light was hard on my eyes though.
Excelente saludos desde Colombia me sirve mucho para mí taller
#the best video I have seen#
Nice job
This is fantastical!!!
I think you have lowered the compression. Seriously this is a beautiful teaching example.
that was very good thank you
REALLY EXCELLENT!!! Thank you!!
incredible. thank you!
Thank you very mutch ❤❤❤
Excellent
great vid.
This is fabulous!
Meglio di un manuale di servizio...grazie...!!!
Brilliant.... thanks
So i am busy with a quad semi auto gsmoon . Have to make parts because nothing availible in my country . Anyway. Built s clutch up for it which was the issue but cant see inside what the symtom is now is gear lever is super tight wondering if my springs on clutch are to tight and making clutch hard to decompress . There is clearance . Question should it be easy like by hand to push in? Or decompress?
Do you think we can add the Lo Hi case to a Honda or a clone . Need the internal shaft ( longer ) but the case of the engine is the same ?
Hello sir, why the motorcycle do not move even when you stop at 2nd or 3rd gear unlike the clutch motorcycle when you stop and forgot to press the clutch lever
brilliant - cheers.
This. This is freaking cool.
Great piece of work!! Many thanks! Do you have any videos on CT110?
That for the positive comments! I don't have any CT110 video's yet, but I have a CT100 that is in the back of the shop that I plan on bringing back to life at some point and when I do I'll try and make a few specific CT110 video's.
That was great 👍
Beautiful..
Wonderful! I have a Kinner B5 Radial aircraft cut-away engine in my dining room from 1937. Would love to purchase this engine if you want to sell it someday.
Cheers, Kirb
Great video
I have a 125cc Chinese atv with a honda clone engine
It starts fine, but when you ride it over a certain revs, not very high the engine vibration is unbelievable, spoke to someone who said it could be
A lose fly wheel, not that
Or a damaged clutch pack, stripped the clutch pack and all seems fine
Please can someone help
I knew how it all worked sir, but to see it in action is fascinating :) Thanks... ps, does anyone know the wrist pin diameter in a ct90?
Fantastic.
Wow, I just spent all day disassembling a ct90 engine, and now I get to see how it works. (My rod bearing is busted)
Hi Mike ! .
This is a great video . I still can't past your home page, I wonder why not . -Nate
Hey Nate,
I'm glad you liked my video and its a bummer that you still can't see my web site. If you're over at a friends or family member you might see if they can get to my site and that may give you a lead on what's going on, but I my best guess is that an add blocker is the culprit. If you have a smart phone you might try using that and see if you can get to my site. I think I may have the parts to do a CT200/push rod cut-away engine, but probably won't get to it until this fall.
Mike
@@michaelmineart1889 sorry for the late reply Mike . I'm sure it is the ad bloker, I've tried to shut it off or whitelist but no joy . -Nate
Waw what an amazing video.
So if I hold the gear lever down the clutch stays engaged?
Also could.the low range be added to a new Lifan 125cc motor?
Hi, No when you depress and hold the gear lever down (or up for that matter...) the clutch is fully disengaged. I've never had a Lifan motor so I can't say for sure if a low range could be added, but my hunch is that you wouldn't be able to take CT90 or CT110 parts and bolt them on to a Lifan to add a low range.
this thing is like a peice Of Art , I would love to be able to buy one exactly like this and have it turning on a electric motor i swear it would be displayed in my Living Room BTW i just so happen to have a 1960s S90 Motorcycle that is stock and was actually my Dads that he stored in a Climate Controlled inside Space since the 1960s he bought the bike and hardly rode it because he wound up buying a more Comprable Motorcycle to what his freinds and family were riding i’m not sure what exactly my Dad wound up with but i do know his Brother ,my Uncle rode a Honda 750 four in the early 70s with a few Harley guys my Uncle chose the Honda because of its reliability and smooth ride as he and my Aunt toured on that Bike inUpstate New York he had that Motorcycle all dressed out with a Windjammer fairing ,Highway Pegs ,and some other Creature Comforts i remember them stopping by my Grandparents house on that Motorcycle when i was about 7 or 8 years old and i thought it was such a cool Motorcycle in White. i wound up as a adult buying one inBlack i had for years I called it my Baby Gold Wing as i highly optioned mine as well
Awesome video! I just picked up a non running 1969 ct 90 and starting to clean her up. I noticed when I put it in high gear and shift through the gears the rear wheel still turns really easy no compression sounds from engine. When I put it in low gear and push it it is definetly harder to push and you can hear the engine turning over. Where would you suggest I start looking?
It's really tough to say without actually being there with you and the bike to see what is really going on. My first guess is that you might not have the sub-transmission all the way in the high gear position. With the sub-transmission it is very easy to move the lever and get it in to the low range position because with the way the gears are configured there are many positions where the gears will easily engage. When you move the level to the high range position there are only a few positions where the dogs that drive the gears will engage, so while you have moved the lever in the right direction and it seems to hit a stop your actually not all the way into the high range. To get it all the way into the high range you can continue to apply pressure to the lever while you roll the bike forward a bit and have it in 1st gear and see if it finally gets into the high range position. You should feel/hear a clunk when the dogs in the sub-transmission finally engage. Good luck and I hope this helps you with your CT90!
WOW AWESOME
Very cool! Any chance you could do a cutaway of the clutch?
I'll look at doing a cutaway of a clutch in the future, but I did do a post at my blog on building up a clutch pack that gives you a pretty good look into a clutch assembly. Here is a link: ct90restoration.blogspot.com/2018/05/ct90-clutch-pack-assembly-detail-build.html