I have the coolest wife

[6spdls1z28]

I’ve been trying to find a tri z 6 speed for the longest time to make mine original. One popped up on eBay a few days before my birthday I told her of course one would show up during the holidays. I put it on my watch list the next morning it was gone. I told her of coarse some asshole already bought it. Guess what showed up yesterday I was completely speechless. She knows I’ve been looking for one for the past 10 years. She is awesome! https://uploads.tapatalk-cdn.com/20231212/7361abaf31022822cf3ed359ee3ed8fc.jpg
https://uploads.tapatalk-cdn.com/20231212/e42c1f55afa39a22051a9a745f6e996e.jpg
https://uploads.tapatalk-cdn.com/20231212/5957ddf74c98ec71515ce4482980ace2.jpg
Sorry to the other guys on here that were probably watching this on eBay.


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[6spdls1z28]

The most desirable part right herehttps://uploads.tapatalk-cdn.com/20231212/8c620f0c1cf0457ea7e4f43d4c782ebb.jpg
I already tore the whole thing down.


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[shortline10]

That’s awesome , congrats on the find and wife !

[6spdls1z28]

That’s awesome , congrats on the find and wife !

Thank you very much!


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[Red Rider]

That's awesome! Congratulations.

Oh yeah, happy birthday too.

[6spdls1z28]

That's awesome! Congratulations.

Oh yeah, happy birthday too.

Thank you and thank you. I’m still shocked about it


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[350for350]

That's fantastic!

[Footy]

Good ones are hard to find. Triz trans or Wives!

[big specht]

Even after you called her a asshole lol

[6spdls1z28]

Good ones are hard to find. Triz trans or Wives!

Definitely both haha.


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[6spdls1z28]

Even after you called her a asshole lol

She kept a straight face until it showed. She said she laughed her ass off about me saying that haha.


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[6spdls1z28]

Looks like I’m gonna be waiting another 10 years the second gear pinion has some damage. They have it on eBay for every other 80s Yamaha but not this one. All the other gears look fine no idea what happened to this one.https://uploads.tapatalk-cdn.com/20231214/770488040f1078e401a02e926b2aaeb8.jpg
https://uploads.tapatalk-cdn.com/20231214/584ab2b8bf25739145d92f84510e067d.jpg


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[shortline10]

I see that issue on high mileage banshee trannies all the time . Wondering if it’s a casting issue with Yamahas .

[350for350]

I wonder if you could have a machine shop make you a new one. It wouldn't be cheap, but it beats waiting for another 10 years.

[6spdls1z28]

I see that issue on high mileage banshee trannies all the time . Wondering if it’s a casting issue with Yamahas .

Must be. By the looks of the crank it looks like a lower hour engine compared to mine when I put a new rod in the crank. My 5 speed was in great shape when I last opened it.


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[6spdls1z28]

I wonder if you could have a machine shop make you a new one. It wouldn't be cheap, but it beats waiting for another 10 years.

I don’t think any in my area would I’d probably have to call some shops in Phoenix to see. I’ll look into it.


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[bobtdms]

You may want to check out passion-atc.com They're an atv/atc salvage yard in Europe(France I think).
I was looking for 86' tri-z trans pieces a year or so ago, and they have one stripped apart and are selling individual gears. They may still have what you need.

[6spdls1z28]

It's 2024 have one made.

I’m looking into it.


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[6spdls1z28]

You may want to check out passion-atc.com They're an atv/atc salvage yard in Europe(France I think).
I was looking for 86' tri-z trans pieces a year or so ago, and they have one stripped apart and are selling individual gears. They may still have what you need.

Looks like it’s all in French I might have to call up my brother and have him translate for me haha.


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[bobtdms]

If you are still looking, there is a complete 6spd on e-bay right now. I'd add a link, but not sure how.

[El Camexican]

Before you give up on that project, I would contact Murdock Racing Enterprises, and ask if they might be able to repair that one, or make you a new gear.

[6spdls1z28]

If you are still looking, there is a complete 6spd on e-bay right now. I'd add a link, but not sure how.

Just looked at it and I’m really surprised to see a second 6 speed pop up in the same month. But definitely can’t afford 1200 bucks for another one. I’m sure someone on here will jump on it. I’m just looking at replacing the one gear but thanks for the heads up.


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[6spdls1z28]

Before you give up on that project, I would contact Murdock Racing Enterprises, and ask if they might be able to repair that one, or make you a new gear.

Definitely not giving up. I’ll try and get in contact with them tomorrow. Thanks for the info.


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[TexFest]

bvc is in arizona, they could probably scan your gear and make a new one on there cnc machine

[6spdls1z28]

bvc is in arizona, they could probably scan your gear and make a new one on there cnc machine

Completely forgot about those guys. Thanks


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[6spdls1z28]

Of course can’t get an answer from these places but it might be because of the holidays


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[6spdls1z28]

Got the cases all blasted everything looks good no cracks.https://uploads.tapatalk-cdn.com/20240106/81b49de3b149dbc1c98873b9b32655d0.jpg


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[6spdls1z28]

Not having any luck finding someone to make a new gear. Took forever to get a response from bvc called and emailed multiple times only to get they don’t do that. Asked if they would recommend anyone never got a response. Called the Murdoch racing not getting an answer from them either. Called multiple other places and they think I can easily find another gear. These places I called only offer polishing or undercutting the gears for racing.


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[TexFest]

Not having any luck finding someone to make a new gear. Took forever to get a response from bvc called and emailed multiple times only to get they don’t do that. Asked if they would recommend anyone never got a response. Called the Murdoch racing not getting an answer from them either. Called multiple other places and they think I can easily find another gear. These places I called only offer polishing or undercutting the gears for racing.


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well that sucks,

check out jcracingonline.com, he might could help you out

[6spdls1z28]

well that sucks,

check out jcracingonline.com, he might could help you out

Actually just got an answer from Murdoch racing they referred me to Robinson industries if they can’t help me I will try jcracing thanks for the help man


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[6spdls1z28]

That Robinson place quoted me 1600-1800 to make that little gear. How the hell can something that small be that much and when a freaking machine cuts it out in a few minutes. I’m going to just flip the gear over and run it. I know soon as I get it together one will pop up on eBay


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[TexFest]

That Robinson place quoted me 1600-1800 to make that little gear. How the hell can something that small be that much and when a freaking machine cuts it out in a few minutes. I’m going to just flip the gear over and run it. I know soon as I get it together one will pop up on eBay


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holy trailprotrailprotrailprotrailpro, that sucks

[El Camexican]

That Robinson place quoted me 1600-1800 to make that little gear. How the hell can something that small be that much and when a freaking machine cuts it out in a few minutes. I’m going to just flip the gear over and run it. I know soon as I get it together one will pop up on eBay


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That sucks, but the reality is if you asked them to quote 10 pieces the total would probably be about $2,000.

There’s probably half a dozen set ups required to make that gear, and then some sort of heat treating afterwards.

You mentioned running it backwards, is that even possible? What about just running it the way it is?

[6spdls1z28]

That sucks, but the reality is if you asked them to quote 10 pieces the total would probably be about $2,000.

There’s probably half a dozen set ups required to make that gear, and then some sort of heat treating afterwards.

You mentioned running it backwards, is that even possible? What about just running it the way it is?

I could see it for 10 pieces but 1 for that is insane. Better be made out of gold. But yeah you can flip the gear it’s the same either way. And the wear pattern it only uses 3/4 width of the teeth maybe a little more. Flipped its on the unused side will only hit a little bit of the damaged area. I’m sure it would be fine either way just being paranoid since I’ve been trying to find this transmission for so long. But it’s Weird 2 complete bottom ends showed up on eBay right after go figure


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[El Camexican]

At the end of the day, it’s your call, but I would be very leery of running that thing backwards. General rule of thumb is that you’re not supposed to mix and match used gears. I’ve done it, I’m not proud of it, but so far nothing has failed specifically because of it. I just fear that you’re going to be stressing that gear more so by running it in the opposite direction then you would if you left it the way it was.

As far as the cost goes for the one part, the point I was trying to make is that it’s all about set up costs. Those of us who worked in machine shops on here will tell you that the cost to make one part isn’t a lot different than the cost to make 1000 parts, the only thing that really changes is material and labor between one part and 1000 parts.

I’m sure there’s also a little bit of extra money in there because they’d rather not touch the job. Putting a high sticker price on something is a great way of getting somebody to go away.

[Red Rider]

But it’s Weird 2 complete bottom ends showed up on eBay right after go figureThe other 2 sellers were probably watching the sale, or auction, on your bottom end, and saw how much it sold for, then finally decided it was worth it to part with theirs.

[6spdls1z28]

At the end of the day, it’s your call, but I would be very leery of running that thing backwards. General rule of thumb is that you’re not supposed to mix and match used gears. I’ve done it, I’m not proud of it, but so far nothing has failed specifically because of it. I just fear that you’re going to be stressing that gear more so by running it in the opposite direction then you would if you left it the way it was.

As far as the cost goes for the one part, the point I was trying to make is that it’s all about set up costs. Those of us who worked in machine shops on here will tell you that the cost to make one part isn’t a lot different than the cost to make 1000 parts, the only thing that really changes is material and labor between one part and 1000 parts.

I’m sure there’s also a little bit of extra money in there because they’d rather not touch the job. Putting a high sticker price on something is a great way of getting somebody to go away.

Yeah I get it.


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[6spdls1z28]

The other 2 sellers were probably watching the sale, or auction, on your bottom end, and saw how much it sold for, then finally decided it was worth it to part with theirs.

Makes sense


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[6spdls1z28]

Yeah I get it.
I’m guilty of flipping a gear on a kx125 before. Gear off the crank that spun the clutch. Thing hummed when it ran. I might have found a gear from a different bike that might work waiting for some measurements to confirm.


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[ATC King]

I've had some custom parts machined before and ate the cost for one part, knowing if it was something I could have a dozen or so made of and actually sell them, I may have been able to break even for that one part.

Design and setup are the big upfront costs. Once that's done, it's down to material and quantity prices, as already mentioned. One-off parts are the most expensive. You've gotta get some other insane people in on those projects, to buy extra parts and hopefully you'll break even, and make some personal connections.


As far as matching use with new gears, my experience has been that if the used gear isn't abnormally worn or damaged, it should be fine, possibly excluding high power or racing applications.

One example is my XR650L transmission. The bike and original engine had about 65,000 on it when the engine started to show signs of needing a rebuild. I went a little bonkers and bought an entire XR600R, just for the engine, and put that in the XR650L frame, but not before a rebuild.

Keep in mind, those gears had over 60,000 miles already. I used the XR650L primary gears (lower than the XR600R), and NX650 and FMX650 gears meshed with the original XR650L gears to change the transmission ratios, making a super wide five speed. That was probably 15,000 miles ago and I haven't had any problems from the transmission. New gears meshed with high mileage ones.


Another example is my pickup. The well worn, abused, and neglected T-18 transmission was missing a few teeth.

I had to replace the cluster gear (several gears made together, on one shaft), first and reverse gears. The rest of the gears were original, to my knowledge. That rebuild was 20,000-30,000 miles ago. No problems other than occasionally, third gear synchro, which was probably my fault during the rebuild as that was the first/only T-18 I've rebuilt.

If the gears have normal wear and no pitting, they'll be fine.

[6spdls1z28]

I've had some custom parts machined before and ate the cost for one part, knowing if it was something I could have a dozen or so made of and actually sell them, I may have been able to break even for that one part.

Design and setup are the big upfront costs. Once that's done, it's down to material and quantity prices, as already mentioned. One-off parts are the most expensive. You've gotta get some other insane people in on those projects, to buy extra parts and hopefully you'll break even, and make some personal connections.


As far as matching use with new gears, my experience has been that if the used gear isn't abnormally worn or damaged, it should be fine, possibly excluding high power or racing applications.

One example is my XR650L transmission. The bike and original engine had about 65,000 on it when the engine started to show signs of needing a rebuild. I went a little bonkers and bought an entire XR600R, just for the engine, and put that in the XR650L frame, but not before a rebuild.

Keep in mind, those gears had over 60,000 miles already. I used the XR650L primary gears (lower than the XR600R), and NX650 and FMX650 gears meshed with the original XR650L gears to change the transmission ratios, making a super wide five speed. That was probably 15,000 miles ago and I haven't had any problems from the transmission. New gears meshed with high mileage ones.


Another example is my pickup. The well worn, abused, and neglected T-18 transmission was missing a few teeth.

I had to replace the cluster gear (several gears made together, on one shaft), first and reverse gears. The rest of the gears were original, to my knowledge. That rebuild was 20,000-30,000 miles ago. No problems other than occasionally, third gear synchro, which was probably my fault during the rebuild as that was the first/only T-18 I've rebuilt.

If the gears have normal wear and no pitting, they'll be fine.

https://uploads.tapatalk-cdn.com/20240123/b8cd740d605be494283d2be736e0be66.jpg
This is the damage. I have the part number saved on eBay along with the 2nd gear wheel. Might as well change both if I find both new then I won’t have to worry about weird noises. I’m just going to keep running the 5 speed for now.


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[ATC King]

When is a gear not a gear?


When it's toast.



Probably not funny to you, but I tried. You'll certainly need a good pair.


That dude has given everything it had. Whatever running engine that came from, it could certainly be felt. I've pulled gears with much less damage and I new before going in they were bad, just by riding the machine.



It may give you some idea where to head if still pursuing having some made. The problem would be how many you could sell, and that's probably not very many, but if it'll fit several applications, then just, maybe. It's a risk, for sure.

Nova Racing sells a trans gear set for the DR650. Two versions, one about $1,200 and the other about $1,500. It's a custom ratio set and potentially addresses the third gear explosions that are known to happen. One issue they solve is being able to run lower final gearing for off-road use while still retaining acceptable highway speed, and with a lower first gear, the final gearing doesn't have to be as low.

That's just one example of aftermarket availability for a popular model. It's not a high dollar bike and there are used ones which the price of that gearset would be 1/3 the price of the whole bike. I guess they had enough inquires to justify manufacturing them, but many people who own those bikes wouldn't spend that kind of money. Not everyone is hunting that flaming performance unicorn with a money cannon. It's like dumping $1,000 into a $100 moped (I'm not at 1K, but include labor and I am). Sure, it'll be faster than it was, but that same money could have bought a faster bike that's all stock, and reliable.

Maybe another bit of inspiration or thought for you is a guy on ThumperTalk who recently got a batch of new XR600R countershafts produced. $225ea, with shipping. It's a stock style replacement for the one Honda stopped producing and the last ones were bought years ago.

The reason they were made wasn't for a stock replacement though, it's for the people who have an XR650L and want to add a kickstart. That's the market for them. XR600R production ceased about a quarter century ago but the XR650L is still made, so it's an older part to retrofit a newer machine and from what I've seen, it's a relatively popular modification. It does require the case to be split, at which point many owners will include the transmission modification using gears from other 600/650 RFVC bikes. One of those gears used to only be available from Japan, because that model was never sold in North America, but some people have bought several just to sell over here. Paying and shipping within the US feels safer to some, so that allows for a price premium. Buy several, keep one or two and sell the rest. Sometimes it works out and sometimes it's just breaking even (not including invested time) to support other enthusiasts.

That thread is COUNTERSHAFT COMP XR600R NOW AVAILABLE!!! PN 23220-MN9-980, if you want to look at it.


I'm not trying to talk you into anything, just pointing out some things that may be of use to you.

[Fox250R]

Very nice :)

[6spdls1z28]

When is a gear not a gear?


When it's toast.



Probably not funny to you, but I tried. You'll certainly need a good pair.


That dude has given everything it had. Whatever running engine that came from, it could certainly be felt. I've pulled gears with much less damage and I new before going in they were bad, just by riding the machine.



It may give you some idea where to head if still pursuing having some made. The problem would be how many you could sell, and that's probably not very many, but if it'll fit several applications, then just, maybe. It's a risk, for sure.

Nova Racing sells a trans gear set for the DR650. Two versions, one about $1,200 and the other about $1,500. It's a custom ratio set and potentially addresses the third gear explosions that are known to happen. One issue they solve is being able to run lower final gearing for off-road use while still retaining acceptable highway speed, and with a lower first gear, the final gearing doesn't have to be as low.

That's just one example of aftermarket availability for a popular model. It's not a high dollar bike and there are used ones which the price of that gearset would be 1/3 the price of the whole bike. I guess they had enough inquires to justify manufacturing them, but many people who own those bikes wouldn't spend that kind of money. Not everyone is hunting that flaming performance unicorn with a money cannon. It's like dumping $1,000 into a $100 moped (I'm not at 1K, but include labor and I am). Sure, it'll be faster than it was, but that same money could have bought a faster bike that's all stock, and reliable.

Maybe another bit of inspiration or thought for you is a guy on ThumperTalk who recently got a batch of new XR600R countershafts produced. $225ea, with shipping. It's a stock style replacement for the one Honda stopped producing and the last ones were bought years ago.

The reason they were made wasn't for a stock replacement though, it's for the people who have an XR650L and want to add a kickstart. That's the market for them. XR600R production ceased about a quarter century ago but the XR650L is still made, so it's an older part to retrofit a newer machine and from what I've seen, it's a relatively popular modification. It does require the case to be split, at which point many owners will include the transmission modification using gears from other 600/650 RFVC bikes. One of those gears used to only be available from Japan, because that model was never sold in North America, but some people have bought several just to sell over here. Paying and shipping within the US feels safer to some, so that allows for a price premium. Buy several, keep one or two and sell the rest. Sometimes it works out and sometimes it's just breaking even (not including invested time) to support other enthusiasts.

That thread is COUNTERSHAFT COMP XR600R NOW AVAILABLE!!! PN 23220-MN9-980, if you want to look at it.


I'm not trying to talk you into anything, just pointing out some things that may be of use to you.

Sorry I completely missed your message. I found a nos gear in Australia. Cost me a little over 100 bucks.


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