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Kawasaki Z1B 900 engine rebuild - Episode 2 

Allen Millyard
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Episode 2 - In this episode I start the rebuild of my Kawasaki Z1B 900 engine building up the cylinder head and barrels. My aim was to clean, recondition and use as many original parts as possible if they are within service limit. This engine started and ran really well with no nasty noises before being stripped, but was cosmetically corroded with rusty screws etc from around 40 years in storage.

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4 окт 2024

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Комментарии : 426   
@nealpedigo2842
@nealpedigo2842 Год назад
I’ve never clicked faster!
@calbrock6302
@calbrock6302 Год назад
Same!!
@colinmain5641
@colinmain5641 Год назад
Ditto! 😂
@marcoantoniopenaheredia5930
@marcoantoniopenaheredia5930 11 месяцев назад
same
@bigmac60
@bigmac60 11 месяцев назад
😂😂
@robperkins2674
@robperkins2674 11 месяцев назад
Funny
@lazaglider
@lazaglider Год назад
Should my son ever ask 'what does genius mean?', I will sit with him and watch your content sir.
@tomlangmusic9623
@tomlangmusic9623 11 месяцев назад
Thank you Allen for the calm progress you make. No music, no begging for subscriptions, comments etc etc. A breath of fresh air (smelling slightly of brake clean and oil!)
@johndavies2396
@johndavies2396 11 месяцев назад
Don't forget the cup cakes 🎂
@JTLowry
@JTLowry 11 месяцев назад
He's undeniable!
@Diarake
@Diarake Год назад
I work as a full time motorcycle mechanic, i get home after work and the First thing i do is watch Allen build some engines, a honor to me
@Thouveninpascal
@Thouveninpascal 11 месяцев назад
With this mechanic genius, everything seems to be simple. And his videos are wonderfull, no music, no noise , no stress.
@retromechanicalengineer
@retromechanicalengineer Год назад
I come for the Hedgehogs. I stay for the high quality engine building. Best wishes, Dean.
@ZX14RHedgehogWorkshop
@ZX14RHedgehogWorkshop 11 месяцев назад
Me too 😀
@paulthompson8613
@paulthompson8613 11 месяцев назад
Me also plus the Atco
@althejazzman
@althejazzman 11 месяцев назад
Time moves at a different pace on this channel to the rest of the world. Not only does Allen have all the time in the world to get the job done "just perfect", but the stresses of my life get put aside while I'm watching Allen and suddenly 17 minutes have passed.
@AllenMillyard
@AllenMillyard 11 месяцев назад
ep 3 is 20 minutes 🙂
@Hertog_von_Berkshire
@Hertog_von_Berkshire Год назад
Cleaned castings are indeed beautiful. Back in the 1970s, who'd have thought there would one day be the means to view on demand a video about a Z1 engine rebuild!
@foreverhungry84
@foreverhungry84 Год назад
your meticulousness to maintenance is addictive. it's a skill that is quickly being lost. many thanks allen.
@N221BP
@N221BP Год назад
Tip for removing carbon buildup from pistons / cylinder heads: paint stripper (Starchem Synstryp). Softens the carbon within 10 to 15 min, can be scraped/wiped clean easily. Also works wonders on piston ring grooves with a toothbrush. Doesn't effect the metal.
@VyantQuijt
@VyantQuijt 11 месяцев назад
Going to try that! Spent a lot of time last weekend doing it manually, right after I picked up stripper to clean old paint off the engine 😅
@SharpByCoop
@SharpByCoop 11 месяцев назад
In the seventies through nineties I did HUNDREDS of these KZ rebuilds having owned a performance shop. That was long ago. YOU brought me such a smile of familiarity going BACK to stock. I appreciate you.
@gedofgont1006
@gedofgont1006 11 месяцев назад
If ever motorcycle maintenance was raised to the level of art, Allen is its grand master. Spellbinding, as always, maestro!😊
@rdaystrom4540
@rdaystrom4540 11 месяцев назад
I like the tip on installing valve stem seals. The engine will be stunning with the clean finish. Enjoyed the video a lot.
@ChrisSofos
@ChrisSofos 10 месяцев назад
Not in a million years I'd have thought the trick with the socket and screwdriver to put the valve seals in place!!! Thanks so much for the education!!!
@AllenMillyard
@AllenMillyard 10 месяцев назад
🙂
@Tod_Unctious
@Tod_Unctious 11 месяцев назад
I got an Allen Millyard notification and I watched the video this morning and it was just perfect. 👍👏👍👏
@markmarc8067
@markmarc8067 11 месяцев назад
My dad still has his 84 z1000 with power pipe and big block custom cams ect it's one of the best bikes I've seen it's unreal . Love this
@timhicks2154
@timhicks2154 11 месяцев назад
Good to see the hedgehogs as well. Our visiting badger turns up nearly every night to devour a big plateful of dog-biscuits. And has a good drink from a bowl of water.
@garynicholls6964
@garynicholls6964 11 месяцев назад
The Z1 is a lovely engine inside and out. I've had four of these in the past. So strong and reliable. One of the best engine's ever produced.
@orionwarren4244
@orionwarren4244 Год назад
The monster machines you create in your little backyard shop simply amazes me, Allen. As well as the level of precision even the most well-outfitted builders can't match. 😎👍
@PeterEndelt
@PeterEndelt 11 месяцев назад
👍👍👍
@thomaskirk3548
@thomaskirk3548 Год назад
Took a break from building an engine to watch my hero building an engine. Cheers!
@thewatcher5271
@thewatcher5271 11 месяцев назад
Please Tell The Mrs. To Bake Those Cupcakes Sooner So You Can Have One During The Video! Thank You For Yet Another Engine Build Youtorial.
@ekim000
@ekim000 Год назад
Those vapour blasted castings look good enough to eat! Your videos are an absolute treat. Thank you.
@dennis38y
@dennis38y Год назад
Absolutely amazing Allen ! Thanks for sharing, I was completely glued to this, you are the master ! 1800 views in 20 mins !!!
@teneretraveller8980
@teneretraveller8980 11 месяцев назад
Great camera work. Love to wstch. Thanks for sharing.
@bigears4014
@bigears4014 Год назад
My job as a kid was to clean under the ring , in the ring groove , you can get a big build up which can stop the new ring compressing
@afaka84
@afaka84 11 месяцев назад
You're a living legend Allen
@jjrider6758
@jjrider6758 Год назад
Great stuff ! - It's always a pleasure and a privilege to watch a master at work !!..
@marshallduvall4251
@marshallduvall4251 5 месяцев назад
You are my favorite motorcycle builder ! Like ALL of your projects !
@joken8901
@joken8901 11 месяцев назад
road traffic film remover (tar remover) cleans pistons a treat
@gregwheadon6705
@gregwheadon6705 11 месяцев назад
I love Allen millyard very knowledgeable and an engineering genius together with being such a great person
@julianlyons711
@julianlyons711 6 месяцев назад
Don’t know anything about motorbike engines but could watch Alan and his calm expertise endlessly,,,
@operationshub2163
@operationshub2163 6 месяцев назад
I have been following Allan for more than 20yrs in the magasines. Love the videos.
@richardbartlett6932
@richardbartlett6932 11 месяцев назад
Reminds me of lapping in gate valves in the boiler house back in the late 70's...
@the_forbinproject2777
@the_forbinproject2777 Год назад
oh god I have one of those rubber grinding tools - been a while since I use it on an old MG midget I had - ah memories ! 😀
@epj900
@epj900 11 месяцев назад
Great to watch, as ever. Thank you
@mrsmith4662
@mrsmith4662 11 месяцев назад
That engine is going to be a beauty.
@tonymarkey6525
@tonymarkey6525 Год назад
I always loved an engine rebuild. It’s very therapeutic as the sum of all those parts takes shape and when it starts!! Heaven!!! Thanks for bringing that feeling back and I don’t even need to get my hands dirty plus it’s all so beautifully done. Thank you Mr M!! 😁😁😁
@ducatobeing
@ducatobeing 9 месяцев назад
Superb! Enormous skill and dexterity, allied to a smooth and relaxing voiceover.
@jakobrebeki
@jakobrebeki Год назад
I have been looking forward to this one, I rode one of these back in the 80s. Lovely bike, wish I still had it....
@TheSimple46
@TheSimple46 Месяц назад
That honing tool is lovely 😍
@beevortron
@beevortron Год назад
I could sit and watch this for days your like the David Attenborough of the automotive world
@Wil_Liam1
@Wil_Liam1 11 месяцев назад
Fun fact,I always click thumbs up even before Allen's video has loaded,or started... yep yep.. 💯
@rodrigoconstantino
@rodrigoconstantino 11 месяцев назад
Allan you’re such a character, I love you! 😂😂😂😂
@joseywales3789
@joseywales3789 Год назад
Charlie Weaver got a mention!!! 😁👍🤣😂
@VyantQuijt
@VyantQuijt 11 месяцев назад
Just this weekend I started measuring all the top end tolerances on a GS750, and following the description in my Haynes manual I measured 0.50mm piston to bore clearance where 0.06 is the service limit. Needless to say the description was severely limited and my interpretation of the process looked nothing like what I saw here, hence the ridiculously out of bounds measurement. Allen, thank you showing that measuring method, and for once again (somehow) making engine rebuilds feel far less intimidating!
@ajmndz18
@ajmndz18 11 месяцев назад
About to sleep and this is just what I need, a relaxing vid by a legend
@leoa4c
@leoa4c 11 месяцев назад
I love your craftsmanship. No need for big special tools for every small job. Just a little time and engenuity. Absolutely perfect.
@asciimation
@asciimation 11 месяцев назад
I had some alloy parts for a vintage car vapour blasted once. They came back so incredibly clean and new looking they looked wrong on an old car so I had to dirty them up with some old oil to 'fix' them! It really is impressive how nicely it cleans things up.
@hullygully1135
@hullygully1135 11 месяцев назад
Always an absolute pleasure to watch Allen at work and you can always learn something from the maestro.
@100Jeanluc
@100Jeanluc Год назад
That's years of experience working, your such a joy to watch.
@frogandspanner
@frogandspanner Год назад
12:50 When I was rebuilding my Norton in the late '90s I took the barrels in to Pete Lovell Developments to be re-bored. Following the rebore Pete honed the barrels to a perfect cross-hatch, and gave me a copy of an academic paper of why such honing was a benefit. I remember one day I was in Pete's workshop when he was using a mill, lathe, and drinking coffee simultaneous. I can barely manage one of those skills on its own - as my shirt front can testify.
@frogandspanner
@frogandspanner Год назад
9:53 "Dad's vintage valve spring compressor". That's identical to my valve spring compressor, which I bought new in the '70s. Vintage? Cheek! I always used a tuppence (two new pence - it was late 1971) coin at the screw end to prevent damaging the the head of my Norton 650SS.
@dudemonkfish4471
@dudemonkfish4471 11 месяцев назад
Surgeon of Engineering 😊
@terrywootton8882
@terrywootton8882 11 месяцев назад
Lovely precision rebuild. I still have my dad’s valve spring compressor just like yours LOL
@robinbrowne5419
@robinbrowne5419 11 месяцев назад
Thanks Allen. That's probably the most awesome motorcycle engine ever. I think it was Kawasaki saying to Honda "Oh yeah. You make a 750, so we'll make a 900." But, interestingly, I had a Honda S90, which is exactly 10 times smaller, and probably just as much fun. Now I have an e-bike and it's fun too :-)
@AllenMillyard
@AllenMillyard 11 месяцев назад
I actually want a S90
@robinbrowne5419
@robinbrowne5419 11 месяцев назад
@@AllenMillyard It's interesting that a small motorcycle can be just as much fun as a large one. Or maybe even more fun because it is lighter and easier to handle around town. But I would want the 900 on the highway. I had a candy apple red S90 back in the early 1970's. (Use Google Images and search for Honda S90.) It was a really fun bike, and the girls thought it was cute and always wanted a ride on the back ;-) PS - I thought you had an S90, or actually 2 of them joined together as a v-twin. But maybe I am thinking of something similar. PPS - Nowadays I have an e-bicycle because my wife won't let me have a motorcycle, but that is really fun too. Cheers from Canada :-)
@richardsercombe8070
@richardsercombe8070 11 месяцев назад
“ Hope you enjoyed it” ………. Of course we enjoyed it. Hope you enjoyed your cherry almond bun 😊
@loupuleff571
@loupuleff571 11 месяцев назад
Very good Allen now hurry up and go get one or two of those cakes !!
@yamonda900
@yamonda900 9 месяцев назад
Thanks again Allen, I have a Z900, if I ever need to work on it these videos will help.
@lundyracing
@lundyracing 11 месяцев назад
Thank you Allen, please keep them coming!
@LaurenceWoodcock
@LaurenceWoodcock 11 месяцев назад
Thanks Allen I love watching your work from Nz
@GarryMcGovern
@GarryMcGovern 11 месяцев назад
Dear god, they should put your engines in the Louvre or Guggenheim: they are literally art.
@stephenwilliams926
@stephenwilliams926 Год назад
Nice honing tool. I work on a 40yr old Delapena machine. They call it vintage today, I remember it being new in 1983 lol.
@as3cs3
@as3cs3 11 месяцев назад
that hone looks great. better than the 3-legged ones off Ebay. The stones on those last about 5 minutes
@tetreaulthank4068
@tetreaulthank4068 6 месяцев назад
Thank you for another wonderful video Allen 👍🏻
@GraemeRobinson
@GraemeRobinson Год назад
Masterclass on top end assembly, very timely for me as I'm just pulling down my Honda 400 four engine right now. Thanks Allan!
@AlbertDongler
@AlbertDongler 11 месяцев назад
A masterclass of careful engineering re-assembly. This should be part of any tech college curriculum! :-)
@jamesgates6121
@jamesgates6121 Год назад
I've just bought a Z1 so this is perfect timing
@matthewharlowehrscyclespor668
We are fortunate to have a vapor blasting machine in house. We use it nearly every day. I think a of a mutual friend every time I see a new video. I just texted Daniel Schoenwald to say hello. Life has been busy in the shop. A little too busy. I hope all is well with you. Be good. Remain safe and healthy. Wishing you a Deluxe day!
@AllenMillyard
@AllenMillyard Год назад
Daniel is a great friend
@matthewharlowehrscyclespor668
He is a great man. He and I have had conversations revolving around restorations. I understand you have had the pleasure of spending quality time with Daniel and his family. I reside north in Washington State. My wife and I are moving to the east coast to be closer to 2 of our 3 children. I am a bit older (1953). I am looking forward to investing more time with my adult children and my ever growing projects.
@captaintoyota3171
@captaintoyota3171 Год назад
Mmmm never owned a z9/1000 but i got a Kz650 with Z750 e1 engine in it. Though its time for a fresh rebuild again. I think im gona drop the high comp and 810cc kit. Go back stock 738cc and turbocharge it. Those z1s are so nice and the Z air cooled kawa engines are BEATIFUL engineering
@lukepeeters5178
@lukepeeters5178 Год назад
you aint wrong about the paste i worked for an engine shop and they would really look after their old paste as it was the best.
@gavh888
@gavh888 11 месяцев назад
your a pleasure to watch and learn from
@neilbarnett3046
@neilbarnett3046 Год назад
Oh, this takes me back to 1974, when my late stepfather tried to get me interested in what he was doing; at that time, it was lapping the valves on his Morris Oxford's engine. I regret to say that I wasn't impressed, though I did remember every detail, and still do.
@markaddy53
@markaddy53 11 месяцев назад
great job again dale better than any tv keep it going
@polara1974
@polara1974 11 месяцев назад
Allways enjoy your videos!
@stephenrichards5386
@stephenrichards5386 Год назад
I love watching the master at work
@mikelefevre1701
@mikelefevre1701 Год назад
Excellent as ever! Looking forward to the cam timing!!!!
@lotus7even
@lotus7even 11 месяцев назад
So therapeutic watching your videos Allen
@ja60123
@ja60123 11 месяцев назад
Just a man and his engines.
@markthompson9914
@markthompson9914 Год назад
I feel so chilled out after watching u work Allen 👍✌️
@AllenMillyard
@AllenMillyard Год назад
Brilliant
@JagLite
@JagLite 11 месяцев назад
Excellent help for all of us.
@gerryjamesedwards1227
@gerryjamesedwards1227 Год назад
That tip for cleaning valves is brilliant!
@-IE_it_yourself
@-IE_it_yourself Год назад
just be careful some PCB are made with fiber glass.
@gerryjamesedwards1227
@gerryjamesedwards1227 Год назад
@@-IE_it_yourself I'd be wearing a mask, anyway. All that carbon dust is bad enough, but yes, I would say most, rather than some, PCB's are made of FR4, a type of fiberglass. You definitely don't want to breathe PCB dust at any time. I've got some of the old-skool phenolic boards, which should be great for this job. Also wouldn't want to breathe the dust from that!
@-IE_it_yourself
@-IE_it_yourself 11 месяцев назад
@@gerryjamesedwards1227 thanks for the info! i was also thinking the glass might be hard in a situation looking for a soft material.
@gerryjamesedwards1227
@gerryjamesedwards1227 11 месяцев назад
@@-IE_it_yourself Abs plastic would be worth a shot if you were cleaning copper or brass like this, I would think. That's a 'hard' plastic that's fairly soft, but it might melt too easily.
@walkingpictures
@walkingpictures Год назад
Another superb video Allen,many thanks.And with Charley Weaver in supervisory mode it couldn't be any better.....apart from missing out on the cup cakes!! Just perfect Kimbo
@theflyingfrenchman9760
@theflyingfrenchman9760 Год назад
Thanks again Allen. Time for a well deserved cupcake and a nice cup of tea.
@garyclifton2180
@garyclifton2180 11 месяцев назад
Always a pleasure to watch make everything thing look easy lol
@ruaraidhmcdonald-walker9524
You’re so right Allen. I still have an original Chemico grinding paste tube of early 80s vintage. Works so much better than the new stuff.
@Ivanesquevan
@Ivanesquevan 11 месяцев назад
Thank you for show us the correct form to rebuilt an engine. This is educational. Saludos desde la patagónia Argentina.
@hondaryder3779
@hondaryder3779 11 месяцев назад
Gearhead asmr, very enjoyable video again👍👍🇳🇱
@mikewatson4967
@mikewatson4967 11 месяцев назад
Thanks for your detailed and informative video. After watching your videos on engine building I have gained the confidence to tackle rebuilding my poor old Honda
@nicmorton280
@nicmorton280 Год назад
Lovely to watch after a busy day and great to see such perfect reassembly. Our visiting hedgehogs are still feeding every night too.
@AllenMillyard
@AllenMillyard Год назад
Thankyou 🙂
@keithgarland3404
@keithgarland3404 Год назад
The dog's bo**ox, top notch engine building.
@panosgamithis8868
@panosgamithis8868 11 месяцев назад
Mr Millyard is back... And what a Wonderful day it is...!!! 😊
@mafftv3801
@mafftv3801 Год назад
It’s a pleasure to watch
@jimclements3190
@jimclements3190 Год назад
Nice to see you back on RU-vid Allen, but I must say your adventures with Henry and the lads makes me laugh,even my wife watches as well 😊👍
@AllenMillyard
@AllenMillyard Год назад
That’s brilliant we need to attract a diverse audience to achieve the good ratings that we do 🙂
@fransb8543
@fransb8543 11 месяцев назад
Thanks for another highly enjoyable video, Allen. Also, I want one of those cupcakes!
@tonyclancy5658
@tonyclancy5658 Год назад
Amazing video, Alan and Tracey's home baking, I could smell those buns. To see those little hedgehogs was epic.
@dustymiller7758
@dustymiller7758 Год назад
Great work Allen, that vapour blasting is fantastic. The finish is better than new.
@neilcowan535
@neilcowan535 11 месяцев назад
Enjoyed as always. :) Thanks Allen!
@stephenthompson6049
@stephenthompson6049 11 месяцев назад
Love your videos Allen, just perfect!!!
@rjung_ch
@rjung_ch Год назад
Thanks Allen! 👍💪✌
@paulprescott7913
@paulprescott7913 11 месяцев назад
Love the calm way you do these. Had never noticed the clock ticking in the background before, it certainly brings atmosphere to your vids.
@AllenMillyard
@AllenMillyard 11 месяцев назад
It’s my 8 day wall clock
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