Aermacchi 5 speed Conversion // Paul Brodie's Shop
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- čas přidán 11. 09. 2024
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#motorcycle #transmission #racebike #fussyframebuilder
I was watching this most excellent video with my one year old cat and she said Paul's looking better and she's right you are and that warms the hearts of all your avid viewers. Great content, combined with your warm delivery. Thanks Paul, love from France. Hi to Mitch.
Thank you very much. Yes, cats really do like watching our videos too. All the Best to You in France!
Thanks for bringing us such great content, Paul!
Thanks for watching!
So happy to see you with a spring in your step and voice Paul! It is really a relief to see you feeling better.
Thanks JG. I am still working to get stronger.
@@paulbrodie You are doing great! Thanks so much for giving us all a peak into your life and your brilliance. Thank you Mitch too for filming so well.
@@TheBarnaby25 Thanks you JG. Appreciate your comments.
Hey Paul and Mitch, great episode! Shimming a transmission is really a challenge! Thanks for taking us through the process. So glad to hear that you're done with the chemo! My sense was that something really significant had happened. Glad it was the chemo completion!!! All the best,
Tom
Thank you Tom. Yes, shimming is not the easiest job and it helps to have some patience...
Hi Paul, just started watching your Aermacchi build. Great stuff!
I built and road raced a converted 1973 road bike for years in the US, Ireland and Canada. So a lot of your videos look very familiar! I didn't have the close ratio fifth gear or the lighter primary drive gears, but did have race cam, valves, piston and ran a 34mm Amal mk2. The standard fifth gear is a big jump up, but I didn't have the spare money.
Hope your health stays good. Getting older sucks!
Thanks Tom. The lighter primary drive gears are lighter, but are also a taller ratio. The countershaft sprocket can only be so big, and the rear wheel sprocket can only be so small. Thanks for watching and commenting!
Thanks for not "glossing over" the finer details of correctly assembly of this fine Italian single. I'm sure the the greater public think we're magicians who whip out a wand and viola! All perfect, right to go! But in all elderly motorcycle motors, there's much midnight oil burned checking and rechecking. Best wishes with the stem cell procedures, and thanks again for the authentic assembly of the aermachi transmission...
Thank you Michael. Appreciate your comments!
You prove once again that you have great skills and are a wonderful teacher. I don't have the patience to try to do something like that. Keep fighting the cancer fight. I am a throat cancer survivor and if I can beat cancer so can you Sir.
Thank you Tom. I appreciate your comments.
Just finished watching the entire Tiger Cub and Aremachi build series. Was crushed when I got to the recent stuff! So glad you are doing well and you look so much better. All the best!
Thank you very much.
The Shimming
Sounds like a Stephen King novel
Didn't know that Leslie had sold his business. Has been a few years since I did anything with a Sprint. Met him at his shop in Petaluma many years ago. Very nice guy and helpfull.
Yes, Leslie is a great guy. He sold his business a couple of years ago, but the new owner never re-opened... Leslie is now on the East Coast and still has parts for sale.
@@paulbrodie He really is and has been good to deal with over the years. not sure how contact him now. i have is old number but that likely obsolete now .
You Sir are such an inspiration!All the best Paul.
Thank you very much :)
I've been watching your channel and really enjoy it. This is my 1st comment. Back in 1970 I had a 250 Sprint and wanted a little more top end so I tried to do so by putting a sprocket on the rear with a few less teeth. I want to say that stock was about 35 teeth and made one with 28 teeth. I was 15 at the time and didnt do much research, just took a shot in the dark. Well it didn't work. It would go faster in third than it went in fourth. It ran the best with the stock ratio which was about 85 mph. Just thought you might like the story. Here's wishing you well with your health. Keep the videos coming, thoroughly enjoy them.
Rex, thanks for watching and commenting! Yes, gearing can be tricky if you don't get it right... Some times the factory engineers really did know what they were doing.
@@paulbrodie I feel like most of the time the engineers get it right. I just get curious sometimes and tweak it just a little for my type of riding which is cruising and maybe cruising faster on top end. I don't know if I really got any more longevity or not. I usually got about 7k _ 8k miles before a re build. Those Sprints were a lot of fun. Back in the day a lot of people that had them would switch h over to Honda 350 etc w/electric start so we could get them pretty cheap then...around a $100 running. That was in late 60's _ early 70's. My dad mechanical engineer, my brother a real good mechanic and my self a nice guy. If I were to do it over again, I wouldn't take a million to live it any different. Keep the interesting videos coming. Also you look as though your health is doing great.
@@rexrodgers1113 In the 90's I would buy complete Sprints for $200 each. Prices have gone up since then, fo sure. I had transplant complications. My"great health" you see is sometimes an illusion...
Always good to see you. Good luck with the next bit.
Thank you Ian!
That is so good to see. I think my car gear box has something similar to that drum. It is a multimode gear box that will work itself or the driver can use the gear (?) leaver, forward or paddles behind the steering wheel. I have always been interested in how it works and someone at the dealer said 'there is a shottle/shuttle that rotates to move the selectors, like a motorbike gear box'. So I'm a little closer to seeing how it might work.
The gear box was not at all happy when the brake light switch was sticking on, the gear box didn't understand changing up with the brakes on, neither did the cruise control, when touching the brakes would switch off cruise control. All sorted out when I didn't notice the brake lights were on for ten hours and the battery went a little low. At that point I realised the brake lights being on was singled at start up to the starter motor, have to have my foot on the brake to start the engine. Still not too sure why the brake light circuit is live when the engine is off and the car locked, save a relay I suppose. Thanks so much Paul and Mitch.
Thanks for watching and commenting...
12:23 - Paul: "So all you need is...."
Me: "Love, Love is all you need...."
Paul: "A 6mm Allen screw and a nut"
Me: "O.... That make more sense."
🤣🤣
Yes, the world definitely does need more Love! Thanks for commenting....
@@paulbrodie - You said it in the same tempo then paused and my brain instantly went there.... Thanks for the great content. 😁😂
Good luck with your health. Cancer sucks but you'll get through. Guided 10 years clean.
Thanks Kevin.
You were`nt kidding when you said how time consuming it was, are they all as time consuming as this?. I did`nt realise Aermachi were still in production in the 70s?.
A really good video with a real insight into the complexities of engine building, thanks for posting it Paul.
Thanks Neil. All the Aermacchi transmissions I have shimmed have been time consuming. I think the last Aermacchis (four strokes anyway...) were 1974.
👍👍😎👍👍 - Fantastic explanation Paul. So glad to hear Chemo is behind you now. All the best in this next phase. Joel.....
Thanks Joel. Appreciate your comments!
When I worked at a Honda dealership they had a run of 350cc atv’s that weren’t shimmed correctly from the factory. Honda issued a recall to bring them into the dealer for re-shimming of the transmissions, me and the other 3 mechanics got real quick at shimming transmission’s probably did 6 per week for a couple months.
Thanks for the video it brought back a lot of memories for me!
You two are the best👍🏻
Thanks Rick. I like your story about shimming Honda transmissions :)
What a great video Paul. It's fantastic to see you back to doing what you do best . Keep up the great work mate cheers
Thanks Tristan...
You are the Bob Ross of 2 wheeled objects. Great video! 😎
Thanks 👍
Fantastic stuff Paul. Great to see an Aermacchi on the bench. Italian bikes have always been a passion for me.
Very glad that the treatment seems to be having an effect. Wishing you the swiftest recovery possible, Dean.
Thank you very much :)
Another superb👍👌video
You are looking and sounding better every episode
Cheers Chris
Thank you Chris. You are very kind!
Take care. Paul.. the best of health for you this year and beyond 👍👍
Thank you Paul.
Unusual....I'm usually watching you on your local time, not on mine. It's 4:20pm here, in Australia. I hope you're well.
Thanks Marty. I am slowly getting better...
Very cool, Paul. Good luck with your stem cell procedure.
Thanks 👍
Great video. You must have faked this, there were no busted knuckles, no curse words and no crying. I have very clear memories of a new set of gears and shafts in a new case for my TZZ750D. Which was not much worse than your setup here. But it took lots of busted knuckles, newly invented curse words and literal tears. When I begged my brother to help, he stopped me, gave me a beer and said "we do this for fun." It was a lot better the next day. It was still not fun.
Yes Pat, I am good at faking it :)
The episode that I’ve been waiting for! I have the Aermacchi manuals, but for me, it’s so much easier seeing someone perform the assembly first. Now to hunt for additional shims.
Leslie Bull may have shims...
Very interesting video. I had 4 of those bikes back in the sixties and seventies, you could pick them up very cheap, not so anymore.
It's good to see you back in the shop, I hope your health continues to improve 🙏.
Yep, when they were sold as Harley Sprint they became almost worthless for a long time, now it's an 'investment' for many folks with spare cash who can't quite afford a 60's or 70's restored 'muscle car' Kinda sucks as I'm still 'stuck in the 70's'
I used to buy Aermacchis for $200 each.
21:54 we all know these choice little moments; we feel in touch with our precision celebrated eye micrometer.
Thank you.
always a pleasure to watch you work
Thanks Ed :)
That was a good fit!
Hey, that one shaft looks like a Shimano freehub.... with the splines and the threads.
Another great video from you both. Thank you so much for sharing!
I learn something every time. Best wishes!! Please keep it up and be healthy in 2023!
Thank you Robert..
Thank you Paul and Mitch. Nice to see you looking and sounding better.
Thanks Don..
Paul - Superb and genuinely entertaining content. God bless you sir!
Thanks Mitch..
Thanks guys for covering this tedious procedure with such a nice video! Best of luck Paul with the next phase of you treatment 🙂
Thanks John.
Another great video! I'm never likely to shim a 'bike gearbox, but it's good to see you doing it with such care. Thanks Paul
Thanks Ray!
It's great to see your fitness coming back and doing great videos. Though I've built a fair amount of engines in the past though not with the experience you have gained over your time, these are the videos I enjoy most where detail is shown to perfection without an (it'll do rightly attitude), it appears gearboxs are what many people are afraid off, I never new why.
I previously asked you what Aermacchi I should consider buying, since then few if any road machines have been available around Europe. As I'm a person who admires Italian styling and engineering quality I recently added a '1949 Moto Guzzi Airone 250 Sport' to my collection. Its a lovely machine and a work of art (in my opinion).
Since a few videos after you started I've asked myself do you have a collection of your own squirreled away or Mitch for that matter, if so I have no doubt they will be quality and make a great video. Take care guys and thanks.
That's great you have added a '49 250 Guzzi to you collection. Congrats! I cannot figure out what your last question is, sorry. Something about a video...
@@paulbrodie A video on bikes you and Mitch "may" have in your own collections if any Translation from Irish to Canadian eh. lol
@@nightster6378 Our bicycle and motorcycle videos are all on CZcams.
Great video if a little frustrating for you. Good luck with the treatment and recovery!
Thank you.
Congrats on the chemo Paul, and good luck with the stem cell transplant.
Regards,
Duck
Thank you Duck.
I went through a 1967 Sprint engine and never got the cylinder studs to stop leaking at the head nuts. Cute little bike but I never got used to the right side shift. Also going up a long hill I got passed by semis. P.S. I'm surprised that Moto Italia is still around. They were a big help to me 30 years ago. Charleston Custom Cycle as well.
There are o-rings under the head nuts on some models. If they were missing or leaking... Moto Italia got sold but Leslie is still around.
Glad your looking and feeling better. Shimming gearboxes sucks.
Thanks Adrian. I don't mind shimming. There is a satisfaction knowing the tolerances are all correct...
Gearboxes is a dark art to me, I’ll leave it to you wizards. It should be as smooth as silk. Good luck with the transplant, not that you’ll need it, you’ll be fine. Regards from across the pond.
Thank you Michael.
26mins ago? Nice! Earliest post I’ve made ever.
Thank you Paul for your ethic and night owl posting.
Can we get a thank God for Paul Brodie?…
For a while we were doing a video a week and posting them Saturday morning at 9am. Now it's just whenever a video gets finished, and out it goes!
Paul…. You post whenever you want. If I catch it ten minutes or ten days later, I’M the benefactor, I’m better for it. You’re not just a CZcams personality, you’re a treasure. If people are lucky they’re picking up on the message you convey. If not so lucky, they’re still enjoying what you provide and profiting the growth inferred.
@@constantgardener4517 Very kind words. Thank you!
Best wishes and thanks for sharing with the gearbox details Paul
Thanks Glenn...
... I just came back from night work and saw a new video! Thank you Paul, thank you Mitch! Greetings from Germany... Stefan 👋👍
Thank you Stefan.
Always enjoy your vids, very informative and educational.
Thanks Doug!
Looking good Mr. Brodie! Thanks for the video 👍
Thank you!
Wow that is a lot of work but the results speak for themselves. But the satisfaction of knowing it’s done right must be a great feeling.
Back in the early 2000s I had my race bike RD350LC crank pulled by a local shop and the mess they made always was on in the back of my mind . Tapped out at SIR on the long straight it’s funny what you think about. Until then I had no reason to split a case and although I had always done all my own work I trusted it to someone else thinking it would be the right move. After that they lost all my business and I never spent another dime with them. But good things came out of the experience. I was introduced to Steve Wyatt a local legend two stroke guru and he became my mentor and one of two mechanics that I had work on my bikes. Great man. I miss him.
Anyway. Great video Paul. You always inspire. Thank you.
Good stuff Stefan. Sounds like you had a good mentor with Steve.
Another very educational half hour from the Maestro . Thanks Mr Brodie !
Glad you enjoyed it!
I'm glad you know what you're doing.🙂
I have had a little experience.
Mitch speaks! Another great presentation and production. Good luck with the op in Feb.
Thanks Craig :)
Good work Paul & all the best with your health.
Thanks!
Another great video! You're making me wish I had an Aermacchi, they look like they were well thought out. Glad to hear you're doing well!
Thanks again!
he he i know that feeling.... got to get it perfect...takes a lot of time...
Such tedious work! I thought it was a pain setting up a rear gear in a car, lol.
You do need patience for shimming.
Thanks as allways. Wish you the best❤
Thank you! You too!
So glad you are back ❤. Very good news, and very good videos, from a master.
Thank you Jan. Very kind.
Dude, that's really good news! Talk about leaving the best for last. I hope it goes well.
Thank you.
Mr. Brodie, I can't imagine someone at the factory taking this much time to select fit the transmission. Wouldn't the various shafts be measured /adjusted to account for various dimensional differences before the crankcase is assembled? It sure makes horizontally split crankcases more appealing for multi cylinder engines. Excellent photography.
The factory probably had a system that was much faster. For me, this is what I have to do when I am mix and matching cases and gears. The end result is worthwhile.
Shimming seems to be patience-trying work 😅 excellent as always, Paul and Mitch!
Thank you :)
thats a fine equi-spacing job paul you kept it together well,
equally fine work behind the camera as usual mitch,
thankyou both dynamic duo! wishing you a flawless
stem cell transplant ,throttle back for a while now !👍😇
Thank you William....
Very interesting and fantastic to watch and learn. Thank you.
Thanks George.
What a tedious task, thanks for sharing
Yes, you could call it tedious, but also very important. Thanks for watching!
Thank you Paul, always class on your channel and thank you to Mitch too
Thanks Blair...
Brilliant, mate, just brilliant. I just wish I was a bit taller then most of it wouldn't fly over my head!!!! Fingers crossed for everything, mate.
Thank you Phil. :)
Looking forward to watch your videos!
Thanks.
You are looking much better . Best hopes for your stem cell treatment Paul .
Brit bikes have huge oil pressure due to plain bearings as well as thinish case flanges on a vertically split case .... so they leak ! Your bike really does have nice wide flanges and ball bearings , it is a nice design for sure . Thanks for your videos and have a healthy New Year !
Thanks David. All the best to you too.
Paul, when I set many types of gear box's I would make dummy bearings that slide on to shafts and into cases, makes it much easier.
Yes, that could work. But I didn't want to remove a good bearing from the cases...
Exceptionally informative video! Thanks Mitch & Paul!!
Thanks Larry!
That shimming looks like an exercise in fortitude, patience and skill. Pleased to know the chemo is over. Good luck with the stems.
Thank you Hertog. I did survive the additional chemo and stem cell transplant, but it did land me in hospital for an additional 10 days. Getting better now...
Hallo Paul. Gute Arbeit und weiterhin nur das beste für deine Gesundheit 👍💪 Gruß aus Deutschland
Great video Paul thanks for sharing
Thanks Derek!
you're looking good paul
Thank you Jacob...
Real pleasure😀
Thank you Jako.
For real shimming fun shim the valve tappets on an old Jaguar straight six
When I was younger I seriously wanted a 60's Mark 2 Jag. But, it never happened....
Thank you Paul I hope the the stem cell transplant is successful
Thank you Rul. Appreciate your comment!
Stem cells! Well done. Some think that's the cure to my MS too. Time to let the Body Shop take over. Just don't let the doctor work on your bike. They haven't the feel for steel.
We all have our talents! I will stick to motorcycles :)
Good luck Paul!
Thanks..
Another great vid good luck with the stem cell transplant
Thanks 👍
Interesting Video Paul well done , Are there many of those bikes in your country ? Or rare as rocking horse S##T 😁😁👍👍
There are quite a few, but they are getting harder to find...
Great editing
Thanks. I'm sure Mitch would like to hear that!
Great explanation, but I'm sorry that I've never seen a five speed conversion, let alone have never seen a Aermacchi. No dealers here on the east coast that I can remember. Ghost Cycle used to handle all the oddballs and Berliner use to import all Italian jobs.
Last Aermacchi made was 1974, so most of them are 50+ years old. I really like the quality that was put into them.
Hope all goes great with the next step of your treatment
Thank you Brian.
Of course, you will replace that bearing that you hammered sideways.
Is that why the old one was 'rough'?
#Aloha
That bearing is replaced. It was worn out from use and abuse...
Mitch great photography thanks.
Mitch thanks you! 😉
I always wonder how the factory did tasks like this in a production environment. Special tooling I suppose.
I have a drawer full of Aermacchi special tools.
Hi Paul hope its all good news at your checkup. Also I seen a video called Excelsior start up the Yellow one an i thought this should be interesting an then i was thinking i can hear Pauls vice but were is he then i seen you standing between the two bikes with your hair split in the middle an i was like no that not Paul but it was 13 years ago.
Yes, my hair definitely thinned from Chemo.
Extra best wishes on the stem cell treatment. You’re getting cutting edge treatment that has been proven successful.
Thank you Much!
I have an XS 175,1971 4spd that I am unlikely to use. Motor is complete with carb and turns over with compression. Pm if you have any interest. I will be visiting BC in the spring to assist a friend.
I think that is the 2 stroke, right? I'm really only keen on the 4 strokes, sorry.
Hi Paul & Mitch!
Hi Fra!
Hy Paul, great explanation again, thanks for that video! 👍Did I catch it right: you get a stemcell transplantation? I got it in 2002 for my leukemia (AML exactly). My sister was the donor which worked and still works great. Wish you all the best and hope to see you soon 😘😘🌞🍀🐾🐾 As always: many greetings from Germany 🇩🇪
Maik, Yes, a stem cell transplant. I did have complications and had to go back into hospital for 10 days, but I am ok now. Thanks!
@@paulbrodie good to hear that you’re doing better now. Take care and enjoy your life with what you like to do 😘😘🌞🍀
Hi
I don't want to try to teach grandma to suck eggs, at the start of the vid you said you can't fit the five speed cluster in the early cases because the shafts are to small, could you not change the bearing sizes or sleeve the shafts, I am not familiar with these at all but don't like being told you can't do that
Keep up the good work
The 73/74 transmission will fit into the 71/72 cases, but not the 69/70 cases. You can try, but I think you will find that you are wasting your time.
Your working on the night shift Paul!? 😁
No night shift. I am on the Healing Shift :)
So is it safe to say that if you have any bike transmission apart, that you'd want to check and equalize the spacing between the gears? And check shaft end play as well? Without specs, would .006"-.008" be a decent starting point? Looking at a guzzi 850 lm3 gearbox rebuild, lots of false neutrals!!!
Stem cell transplant sounds promising. All the best.
Thanks Paul and Mitch!
I do have some experience with Aermacchi transmissions, but cannot comment on other transmissions, sorry.
I did a 5 to 6 speed conversion on my Suzuki GP125 and that was not a bolt-on fit. Had to buy a second spare engine in case I'd mess up, had to do it Allen Millyard style with hacksaw, welder and grinder.
Good for to make 5 speed into a 6 speed, AND Allen Millyard style too!
Eeek. Reaching around a turning lathe whilst wearing sleeves...Made me pucker a bit
I will be careful, I promise.
What make of Bearings do you use on your rebuilds ?. SKF or OEM Bearings. Interesting video
A lot of the bearings are original. The FAG bearing I replaced was replaced with another FAG. I always want a good quality bearing.
All the very best of blessings to you Paul and Mitch .Great to see inside the Armacchi g box.Always wondered about the innards of my arch rival when I raced my Ducati single here in NZ
Thanks Michael.
hi Paul i'm glad things are going great and chemo's completed and your doing ok, please could you tell me if your changing gearbox ratios may it be close ratio or wide ratios do the gears always got to come in pairs. ie, one for the main shaft and one for the lay shaft. as i'm having a debate with a friend who's building a bsa trials bike engine, but I think you;ve already answered with your vid but its always good to get an other mans insight and knowledge. anyway as always Paul please take care and again really great vids, ps how much does the engine weight fully built, kind regards Adrian.
Hi Adrian, The close ratio conversion and the taller ratio in the primary gears are all designed to raise the final output ratio, and to make the box more of a close ratio unit. I have never weighed the completed motor, and I am miles from my shop so that will have to wait.
Wonder if Tony Foale is still working on aermacchi's ?
I believe he is!