[Ep 03] Yamaha Virago XV920 Cafe Racer Project - Engine Refresh/Reassembly
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- Опубліковано 5 січ 2023
- I've purchased yet another derelict motorcycle with plans to build something cool out of it. This Yamaha Virago XV920 is a non-running basket case with no paper work but with time (and money) it'll be a sick V-twin custom. The original Virago (XV750 and XV920) was always an oddball because they don't really fit the cruiser look well, but they have gained a second wind in recent years as the unique construction allows for sick custom builds. Let's dive in; this time we are cleaning, painting and reassembling the engine.
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![[Ep 02] Yamaha Virago XV920 Cafe Racer Project - Engine Disassembly](http://i.ytimg.com/vi/wTeKPZI5zo4/mqdefault.jpg)
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Ahhh the soothing sounds of Bully. You know its an illest build vid when that soundtrack comes out.
Its like royalty free music...but good! XD
Please please pleaseeeee make more😅 im sotting here in my garage putting a new Rocker cover gasket on my 06 zx10 and I needed a break so I watched the vid and damn man gave me some motivation to keep going on my 10🤙🤙🤙 love the vids I've been watching since the bmw plz keep them coming
Of course, will definitely do. I can't wait to finish the engine stuff so I can do the fun stuff. Good luck if you havent finished the gasket yet.
@@Theillestrator1050 ohh man I had that 10 torn apart and back together in an hour and a half even went for a feking hoon at 2am 🤣🤣
I just got a 920 basket case and parts missing. So the hunt is on for a more complete roller, hopefully with a title.
I'm in the Houston area
We are ready for the next episode! Love your content. Thank you!
Bro we are hungry for the content lol
Whens the next episode?! Great videos
looking forward for your next episode!
Cant wait for the next episode, 3 months now, its killing me xD
Awesome vid. You made it look so easy and straightforward; don't recall any of my engineering classes were that straightforward... Anyway, ride safe, god bless u.
Gentle 'tapping' with a very-small engineers-hammer , gives more-even-torques and helps-release any binding-tensions ie ; on big-end-caps, nuts etc , then re-torque , obviously taking-care where you-tap, not distorting the 'flats' on nuts etc . The same-technique can be used when welding 'Cast' , stops stress-fractures by relieving tensions in the metal . Dave NZ
Awesome build. Keep it coming
Another great vid.
This is such a great series man!
Glad you're enjoying!
I respect the skill and dedication. I have never heard of a split cam before. I would think a regular cam would be better to prevent gear lash because it is one moving part instead of being split. Very interesting.
Love watching your builds man
Thanks Kevin!
Great episode
Very cool, looking forward to next vid
I'll try to get it out with speed!
Loving this build! Makes me miss my old 535 but i felt so big on it lol
You’re doing a fine job my man 👍
Much appreciated
Excellent work dude! I hope to get my hands on a Virago one of these days 👌👌
Go for it while they cost nothing right now! The monoshocks werent around that long so I see them going up after they get ran through.
Great job. The Virago twin looks like a simple engine. This is a nice build.
Thank you very much!
i guess he dipped with the money
Looks real nice! I have never had a leak using Yamabond 4. It's meant for gasketless metal surfaces and is great stuff! I have always wanted to try it on aircraft engine cases and oilpumps but have not yet. We have to use inferior FAA approved substances that many times do not work!
Thats reassuring, finding out this is better than aircraft stuff! haha.
Motorcycle engines are put under stress quite often but never seem to leak unless impacted. Downdog, when you apply Yamabond, do you apply it in a bead (which will flatten out once the case halfs are bolted together) or do you apply in a thin coat?
@@blipco5
Yamabond 4 is kind of runny so a bead is not really possible. It doesn't take much. It also should be said it doesn't have a long shelf life once opened. I usually buy a new tube when assembling a bottom end. A thin coat is all that it takes on nice surfaces.
@@upsidedowndog1256 Ok thank you. My favorite of all time for side covers is Hylomar HPF made by Permatex. My twenty year old tube with a few drops left in it is still good like the day I bought it, while the new Hylomar skins over quickly and the opened tube goes bad in a year or so.
@@blipco5
I have used lots of Hylomar over the years. We used it on aircraft engine case halves for years. It was invented by Rolls Royce for imperfect machined surfaces on aircraft engines and can actually be used where oil never quits running out like a prop governor. DO NOT USE IT NEAR ANTIFREEZE!! I like that stuff bt Yamabond 4 is next level better in my experience (33 years aircraft, 42 auto and motorcycle).
For about a year or two Honda had a split journal crank in the Shadow, I think it made more hp, and slightly better fuel economy. Would like to find one. They stopped making them because they didn't sound "like a harley".
Ahhhh, interesting. Honda would outdo themselves lmao.
What happened to this build series? I was soo hoping to see it completed
I plan on doing a virago 81-83, it's a bitch to find a donor bike near me though. The only 3 I've found within driving distance are either too rusted out or too perfect. The only reason i want a Virago is for that monoshock. If i could just find one with a decent frame I'd be happy, I'd even do an engine swap and I had planned to do a custom carbon fiber tank and levers/pegs. If I did the engine swap I'd definitely look at doing a forged carbon swing arm as well to reduce sprung weight and look good.
Your build is coming along dope though.
Put a clear bag over piston, stick y hand in and pop that ring. Bag stops it goin rogue 👊
Lmao, good idea!
Need more videos
Looks good Ill. Of course if you're looking for that close to Harley sound, the single pin crank, double valve heads is the way to go.
Ahhh, thats what it is that gives it that.
@@Theillestrator1050 yes sir.
Something that might be helpful when deciding to reuse or not if anything has a torque to a number then angle that's is torque to yeald and should not be reused. In theory anything else that is in good condition can be used agian. Most race teams will only use a bolt 2 times. Any stud, and nut can be used agian and agian.
By the way. love watching your builds. because of you I'm going to be going pretty deep in to a cheap bike I just got.
I have a nicer bike I do matince on and mild modifications but I haven't done an engine yet.
Gotcha, thanks for the tip Kevin. Im glad I could offer a little motivation. Lets see who finishes first lol.
@@Theillestrator1050 probably you but I'll give it a shot.
When is the next episode………we’re waiting😂
I hope you changed the valve seats.
NICE =D
Thanks as always man!
👍
Good video with great details, but why are you opening up the engine? Is something wrong from the inside? I am also working on my '82 XV750 but so far I don't see any reason to open it up.
When will epi?sode 4 be available? no pressure ;)
nice work, how's the build going, did you abandon it?
What kind of torque wrench do you have? I have never seen one with a screen, very cool!
Digital one, they aren't rare.
Yeah its just an AC Delco digital 1/2 wrench. I think theyre on amazon prime.
I got two questions. One being can they vapor blast an engine without a complete teardown? 2 the smaller wire brush where did you get? Is it something you made or something that can be bought?
If you get the engine parts blasted they have to be completely stripped because the "media" or grit material can get embedded in places and ruin the engine when you run it. The wire brush is available here
Wire Brush for Drill Set 21 Pcs,... www.amazon.com/dp/B0B1H6NMJ9?ref=ppx_pop_mob_ap_share
Not all V-twins have a single shared crank pin like yours. That design limits horse power which explains why Harley engines have lower specific output compared to, say a Shadow 1100. Several Japanese V-twins have seperate crank pins offset to make if fire closer to 180 degrees.
Ahhh, thats interesting to know. Looks like the shared pin is just for the Harley sound