1985 Yamaha Yz80 Dirt Bike Rebuilt. Will It Run?

I buy a cheap Yamaha Yz80 dirt bike and rebuild it. Will it run and drive after rebuild? #Yamaha, #DirtBike, #Rare,

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The following video features activities performed in controlled environments by knowledgeable persons. DO NOT attempt to duplicate, re-create, or perform the same or similar activities at home, as personal injury or property damage may result. 2vintage( Joe Weber, the persons shown in this video and ANY CONTRIBUTOR, ARE NOT LIABLE FOR ANY such injury or damage. ALL 2vintage( Joe Weber) CONTENT IS FOR ENTERTAINMENT PURPOSES ONLY.
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[vintage]

The crank rod for this bike was discontinued. I found the last one for sale in the U.S. and then had it professionally rebuilt which took more than 2 weeks. That's why this bike took so long to rebuild. Sorry for the long wait on this one! Hopefully you guys enjoy the video!

[markhensley]

As I said before, these little bikes are especially interesting because I had some good times with my son on one. Best decision I ever made. That was many years ago when parts were plentiful. Shame about your parts problems with this one. Thanks again for your time today and enjoy your weekend.

[katoom-juvo]

This is awesome. Back in the day, I had an '84 YZ 80. Very similar to yours, but colors were yellow and black that year. Seeing this brings back some great memories. Nice job on getting this bike back to running. Thanks for posting.

[garageman]

Had a flashback when you turned into the drive at the end of the test ride coming off the road. I was about 11 at the time and did pretty much the same thing on my 1978 YZ 80 and lost the front end on the blacktop driveway with fresh sealer on it. Good lesson about knobbies on slick surfaces.

[bananabrooks]

So much for bedding the rings in before giving it the beans! Still, it's good to see it rebuilt rather than broken for parts.

[_zzpza]

3:00 I'd really recommend buying a seal puller. They are dirt cheap and you would have had that seal out in seconds without risking damage to the casing mating surfaces. They work good on fork seals too, not just in casings.

[audioextremez]

Clutch is definitely slipping from 3rd gear on. Might want to tighten it up before you have to put a new clutch in it lol. Otherwise great video! If parts were more available I would def. Consider buying an old yz80. Might have to get me the yz85 since parts are more available. Such fun bikes! Keep up the awesome content bro!

[junkerjason]

I had one of these 1985 yz 80s back in the day. Definitely a riper. I actually added a tooth on the front sprocket over stock because it had enough power to easily handle the taller ratio

[thevoxofreason]

Keep doing what you're doing man. Keep learning and bringing these older machines back to life. Love to see it. You remind me of myself and my good friend. We ran a shop a long while back (90s through 00s) and I've had the pleasure of working on about 99% of the bikes you've done on your channel... and many others. Watching your vids brings back great memories. I still wrench and ride, but the wrenching part is only maintenance now on the few machines I own... and I guess vicariously through channels like yours.

[RDEnduro]

This was the first dirtbike i ever got to see close up when I was a kid. They really do rip for an 80! Remember that movie Dirtbike kid? The kid from A Christmas Story gets a Yamaha another kid throws away. puts lights on it, fixes it up and it comes to life lol

[xeonlyfe]

I bought a 1997 YZ80 frame and am putting a YZ125 engine in it and just watching this helped show me more about this bike and I want to thank you!

[Hanky_Bannistr]

I love 80s they always surprise me on how fast they are ! Good job saving this one !

[corporalclegg]

11yr old me loved/loves this bike. the early-mid ‘90s stock YZ80s were dogs, but they did look super cool. nice work, again

[acerig]

86 yz 80 my first bike.
Air fuel screw is a little lean, it's got that lean bumble sound.

[JohnnieBravo]

these little 2-cycles are so much fun. My daughter has a Suzuki LT80 quad, almost a pocket 4-wheeler, and it is stupid fast.

[hzzzzz]

Hey man this yz80 brings back memories i used to have one but got stolen off me they are one of the coolest dirt bikes hey have that unique sound, really enjoy watching the rebuilds, have you got plans for any inline 4 vintage rebuilds or tunes?

[projectstroke]

quick tip for removing old crappy crank seals.. Drill in a wood screw into it and rip it out with some vice grips.

[Workerbee-zynx]

I had a buddy get that bike, brand new in 85. It was cherry, and he took care of it. He joined the navy, went to fight for Cheney oil in the middle east..not sure if he made it back, but the elite mans oil is secure....

[Owen.o]

Quick tip for putting in cranks or really anything with bearings or important parts like that. When you freeze them put some WD40 on the bearings etc so when the part unthaws the condensation doesn’t cause rust. Love the vids keep up the good work🤍

[RcOffroad]

In 1999, I bought a brand new kx 80, I was 17, my little buddy got 1 of these to ride with me. The sound of that 3ngine brings back alot of memories. My 99 kx 80 was smooth and fast, but the Yz 80 was nasty! The power band kicks in so fast, it felt so weird after riding the 99 kx. Which was a little faster on top end I thi k I got the kx 80 to go about 60mph if I remember correctly. Cool video, thanks for Sharing!