HOW-TO - Small Engine Crankshaft Swap

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  • เผยแพร่เมื่อ 24 ธ.ค. 2024

ความคิดเห็น • 222

  • @seapilot4042
    @seapilot4042 7 ปีที่แล้ว +1

    Keep in mind, I missed this during rebuild of a 1980 3.5hp Briggs vertical shaft, the crankcase gasket, there are two for this engine, this one needed the .015. I could barely pull the engine through, broke in all back down miked everything put it back together and still was so stiff, I did get it to start. but pulling it through was just too hard to do and I knew there was something else that needed my attention. The dealer had sold me a .005. I didn't give it a second thought, until I remembered reading about the two different thicknesses. What a difference a few thousands of an inch make. Great channel.

  • @davemarks7322
    @davemarks7322 5 ปีที่แล้ว +10

    Well done and even though there is no crankshaft swap in my future, I watched the video anyway just because I like the way you do them.

  • @Pwl47
    @Pwl47 8 ปีที่แล้ว +1

    Using the air tool to loosen the flywheel was a valuable tip. I always learn something from these videos. Thanks for posting them.

  • @ThunderDivine
    @ThunderDivine 8 ปีที่แล้ว +10

    Air hammer tip is great, it has so many uses we tend to forget, great!

  • @xecukc7010
    @xecukc7010 3 ปีที่แล้ว

    This video, and another I found specific for a 196 CC Honda clone, really helped me swap out a 5/8" shaft to a 3/4" for the addition of a torque converter on my minibike. Thanks!

  • @alejandromejia4996
    @alejandromejia4996 10 หลายเดือนก่อน

    Awesome video i had a 1965 briggs with a plane crank shaft the was damaged like someone tryed to grind it an make it a 5/8ths shaft an hammered on a 5/8ths shaft an bent the crank i had already threw the block in the recycle bin when i found this video the cylinder walls looked new an the valves looked like they had never been ran more then a hour so i got some other engine with the intake ceased an took out a double sided bearing pto side crank that was on a newer engine style an put it on the old 1965 block i used the newer style head an all the hardwear because the old bolts where flatheads bolts an they never tighten good the rip cord side was a short shaft so i used a new cup an new started the engine loooks cool an i saved the original engine to my classic minibike👍 🎉

  • @cherylkygirl7181
    @cherylkygirl7181 3 ปีที่แล้ว

    EXCELLENT VIDEO. One of the best detailed videos I've seen for removal and replacement of crank shaft. Thanks. I think I can do it now!

  • @oliveoilsjim
    @oliveoilsjim 5 ปีที่แล้ว

    Was in a hurry one day putting new rings in a Briggs and didn't emery the crankshaft before reinstalling the sump! I thought how bad can it leak? It didn't leak much, just enough to run down on the drive plate on a Snapper rider! Had to stop cutting and clean the plate every 20 min from then on! Live and learn!!

  • @SedatedByLife
    @SedatedByLife 2 ปีที่แล้ว

    Welp. Now I know how to do my vertical shaft 8hp B&S. Thank God it's easier than I thought. The things I do to restore an old mower keeping as much original as possible...

  • @lmalino695
    @lmalino695 7 ปีที่แล้ว +5

    Three excellent skills; mechanical excellence, video presentation excellence, and teaching excellence. Thanks.

  • @revdcdon970
    @revdcdon970 8 ปีที่แล้ว

    I'm glad to see Dony is a real mechanic now. Real mechanics don't need to wear gloves to keep from messing up their manicure. So now what do I call you. Oh, must be Don.
    All joking aside, that was one fine job, Don. You are the best.
    Thanks,
    rev don

  • @philbrown2270
    @philbrown2270 2 ปีที่แล้ว

    Hi, thank you for a very informative video and very helpful for me as a layperson.

  • @jorgeposadas1192
    @jorgeposadas1192 2 ปีที่แล้ว

    I haven't seen you in awhile, nice to see your videos are still up, nice job.

  • @michaeljdestefano1208
    @michaeljdestefano1208 7 ปีที่แล้ว +1

    Wow, excellent job my friend!! One of the most informative, concise videos I have ever seen. I wish you could help me with 1 year old Briggs and Stratton with a bent (I think) Crankshaft. I found out you can not cut a 3/4" reinforcing rod with a Lawnmower. LOL!! It was hidden below some weeds I was trimming. Should have used the weed wacker, now I know that. I did replace the Flywheel keyway and the Blade, now it starts. It runs fairly well at full speed but at idle it vibrates like crazy. Oh well, you live and learn.

    • @donyboy73
      @donyboy73  7 ปีที่แล้ว

      I usually do not end up repairing bent cranks

  • @99carnot
    @99carnot 8 ปีที่แล้ว

    Very helpful step-by-step instructions. Original engine with old style starter clutch and all metal parts was nice to see.

  • @thomasb24
    @thomasb24 3 หลายเดือนก่อน

    Excellent video 👍

  • @chamilaherath7875
    @chamilaherath7875 6 ปีที่แล้ว

    Thanks you so much for putting these videos up. I successfully rebuild a honda gx 160 thanks to some of your vids. By the way I am from AUS.

  • @joekoke1
    @joekoke1 7 ปีที่แล้ว

    Don..you are awesome. You are a life saver. Thanks for your videos..

  • @chasbass5321
    @chasbass5321 8 ปีที่แล้ว

    Hi Donyboy, Always enjoy your superb videos. Just an FYI, I took a keyed crankshaft from an 8hp Tecumseh snowblower (that had a broken rod and cracks in the block) and put it into a 10hp Tecumseh wood chipper engine that had a tapered crankshaft. I checked all the specs with my micrometer and everything was exactly the same. The only difference, other than the crankshaft end, between the two engines was the piston bore. I used my "new" snowblower with it's 10hp engine for 3 hours after a big snowstorm and it worked just fine.

  • @semco72057
    @semco72057 8 ปีที่แล้ว

    I enjoyed watching you change out the crankshafts on the two engines and believe that I could do that. I need to figure out how to get my power generator going which have not been started in many years. It never was used since I had problems with it since buying it, and installing the oil in it. The newest one worked fine, but I never used it since our power never stayed off long, when we lost electricity.

  • @ZippoVarga
    @ZippoVarga 8 ปีที่แล้ว +24

    It won't be long and you'll be in the 100K club Donny! Congratulations on your channels success! Also, great video as always! Cheers!! Zip~

  • @willatkinson953
    @willatkinson953 5 ปีที่แล้ว

    Excellent video! Left absolutely no questions! Perfect and thank you.

  • @TOWNCARBUBBA87
    @TOWNCARBUBBA87 ปีที่แล้ว

    Good job brother 👍

  • @GarwoodNick
    @GarwoodNick 7 ปีที่แล้ว +1

    Thank you for this great video. I especially appreciated the efficient presentation and concise editing. Well done!

  • @jamesmullins3219
    @jamesmullins3219 8 ปีที่แล้ว

    excellent video, great photography & edits. Sometimes it may be better to search for a used engine with the right crankshaft. Thanks

  • @eduardomoro6116
    @eduardomoro6116 3 ปีที่แล้ว +1

    Excelent video very useful

  • @bluehorseshoe7171
    @bluehorseshoe7171 8 ปีที่แล้ว

    Well timed video. I'm just about to swap out crankshafts from two similar Briggs and Stratton Motors. Thank you sir.

  • @nsopceo
    @nsopceo 3 ปีที่แล้ว

    Do you remeber what the torque setting is for the flywheel nut? Thanks! Great video, very helpful!

  • @mordechailevinson8646
    @mordechailevinson8646 ปีที่แล้ว

    Thank you....Well Done Video....

  • @Rafcat555
    @Rafcat555 2 ปีที่แล้ว

    Hello. Craftsman engine model 20M314 what torque on the crankshaft cover swamps?

  • @queenstownkid
    @queenstownkid 8 ปีที่แล้ว

    Excellent video as always dony

  • @mrjenybean
    @mrjenybean 2 ปีที่แล้ว

    This taught me so much thank you!

  • @GrassDaddy
    @GrassDaddy 8 ปีที่แล้ว +5

    I love the videos very cool learning how these work!

  • @danbeckley3140
    @danbeckley3140 ปีที่แล้ว

    I have a question about a Kohler engine would it hurt the crankshaft if you cut the pulley side off

  • @aimanramli7570
    @aimanramli7570 2 ปีที่แล้ว

    Hii, can i know whether i can attach heavier flywheel weight more than the small engine into the output shaft of that small engine?

  • @JosephStalin1941
    @JosephStalin1941 2 ปีที่แล้ว

    Excellent video! I am working on a motor with bearings on the crankshaft and I was wondering how to match up the timing marks

  • @rats-the-tech1688
    @rats-the-tech1688 8 ปีที่แล้ว

    Well done Don. The video was very well made.

  • @arthurbania372
    @arthurbania372 6 ปีที่แล้ว

    Very nice and helpful video. I had to replace my crankshaft in the same motor as that one, but crankshaft was slightly different. Thanks Dony:)

  • @clauslundberg9224
    @clauslundberg9224 8 ปีที่แล้ว +1

    Nice walk-through Don - video is HQ in content. Great weekend to all.

  • @scottfirman
    @scottfirman 4 ปีที่แล้ว

    Guess I will pull the bent crankshaft on my Honda mower. I was going to try and get it straightened but for the price, Its just as easy for me to Replace instead of messing with a bent shaft.

    • @donyboy73
      @donyboy73  4 ปีที่แล้ว

      yes sometimes, just find a good used one

  • @gtw9998
    @gtw9998 3 ปีที่แล้ว

    What was the trok setting for the pull start side crank nut thanks

  • @angelorg77
    @angelorg77 8 ปีที่แล้ว

    thanks! donyboy, !! from now on, I will only use higher octane on my lawnmower :-)
    you're boss man !! :-)

  • @MrGoosePit
    @MrGoosePit 8 ปีที่แล้ว

    Nice job Don. Enjoyed the video. Thanks!

  • @tonym6920
    @tonym6920 8 ปีที่แล้ว +2

    What size impact driver do you recommend for small engine work. There are so many of them out there it's really confusing. I know you require special sockets with an impact wrench. I would prefer something battery driven or electric rather than an air tool. My use is for my own equipment, no commercial work. So basically it would be used on lawnmowers, my riding mower and generator. Thanks Dony, appreciate your help!

    • @donyboy73
      @donyboy73  8 ปีที่แล้ว

      watch this video th-cam.com/video/yp3QUj-TG0A/w-d-xo.html

  • @michelpaulcote353
    @michelpaulcote353 8 ปีที่แล้ว +1

    Enjoyed this great video and, as always, learned some excellent tips.Thanks

  • @zyplex1
    @zyplex1 8 ปีที่แล้ว +1

    Excellent video as always, 👍

  • @lestergillis8171
    @lestergillis8171 2 ปีที่แล้ว

    I have never tried that "Ultra-Black" stuff.
    I've always preferred "TABER'S" (IF one can find any),
    Or Permatex "Form-a-gasket".

  • @acollins9277
    @acollins9277 4 ปีที่แล้ว

    Nice job.

  • @davidclink2032
    @davidclink2032 5 ปีที่แล้ว

    Best video of small engines to date. I have a 5hp B&S horizontal engine on a go cart. I replaced the carb. It's back together but I can't get the throttle right. I can't find a schematic of this type. No manual throttle capability only the choke. I need a choke rod so could use some advice how toi find one vs making one. The governor is functioning. This go cart engine didn't have the race track in the linkage which interacts with the manual throttle control. I know linkages vary and the model # for this one is no where to be found. I just need an image or schematic reference of how this should connect. The new carb came with the throttle on the carb hooked up. Also, the needle valve for mixture control did not have a spring on it so I'm guessing I use the old one even though the new needle valve looks different than the old one and the ones in the kit. Hope you can help advise about a schematic or and image or two of how this throttle linkage should hook up.

  • @gahlyogu4570
    @gahlyogu4570 6 ปีที่แล้ว +1

    I know your application didn't need the bearing but if you did need it, how do you remove the crankshaft bearing ?

  • @markszadokierski1676
    @markszadokierski1676 2 ปีที่แล้ว

    Is it possible to re-thread the grooves on a crank shaft where a lawnmower blade bolt goes?

    • @donyboy73
      @donyboy73  2 ปีที่แล้ว

      yes sometimes I run a tap or a thread chaser to clean them up

  • @flunkywill2000
    @flunkywill2000 8 ปีที่แล้ว

    do you think you should torque twice? in my experience the bolt always moves a little tighter the second time.

  • @63256325N
    @63256325N 8 ปีที่แล้ว

    Nice job. All you need now is a mini bike frame and some wheels.

  • @frankg3278
    @frankg3278 4 ปีที่แล้ว

    I have the same situation with a Honda Gx390. It has a long taper and I want to replace it with a keyway shaft. Do you think it will fit
    ?

  • @treebutcher2000
    @treebutcher2000 7 ปีที่แล้ว

    Very helpful video thanks.

  • @benjaminrich9396
    @benjaminrich9396 8 ปีที่แล้ว

    Nicely done

  • @villadavinapanamajack3916
    @villadavinapanamajack3916 5 ปีที่แล้ว

    Well done son..your a great mechanic and your videos are succinct and easy to follow. Have a question..Honda GVC 160 sheared the key drive sprocket for the timing belt. Have you ever seen that before? Again...great videos..keep up the good work. Jack in the Republic of Panama

  • @vernonball4581
    @vernonball4581 6 ปีที่แล้ว

    I need to do this to my pressure washer, will it be about the same way as you did here?

  • @danoakley6538
    @danoakley6538 3 ปีที่แล้ว

    They make a sleeve you can put over the crankshaft. I don't know how well they work though.

  • @fleetwin1
    @fleetwin1 8 ปีที่แล้ว

    Good ol Briggs, so simple and reliiable

  • @24681359David
    @24681359David 5 ปีที่แล้ว

    An engine I'm tinkering with now has the ball bearing arrangement on it. I notice a tiny bit of play in the ball bearing so ideally I would like to replace it. Though I have no clue how to get it off. Any advice??

  • @benkiist8218
    @benkiist8218 4 ปีที่แล้ว

    Great video! Love the way you walk through everything. What is your parts washer, and what do you reccomend for someone who would be looking?

  • @carlschroeder6811
    @carlschroeder6811 3 ปีที่แล้ว

    @donyboy73 , Is swapping a sump cover from another engine ever a problem due to the block being line bored for the crankshaft during manufacturing, thus pairing the engine block with it's own specific sump cover? Also, any need to check crank endplay after that swap?

  • @farmuntilthemoneyrun
    @farmuntilthemoneyrun 5 ปีที่แล้ว +1

    Hi Don, thanks for making this video! You are a great teacher. I have a question: what were the torque specs for the bolt on the flywheel? Thank you!!

  • @demetriussantosky4838
    @demetriussantosky4838 7 ปีที่แล้ว

    Can these bolts on the sump cover be different on a different motor because mine are 7/16

  • @jcs6347
    @jcs6347 8 ปีที่แล้ว

    Very informative and well done, thanks!

  • @jonmyers8046
    @jonmyers8046 8 ปีที่แล้ว

    Just curious, what was wrong with the other engine that necessitated having to do this? Thank for sharing.

  • @gtw9998
    @gtw9998 3 ปีที่แล้ว

    And keep up with the good videos very good and helpful

    • @donyboy73
      @donyboy73  3 ปีที่แล้ว

      Glad you like them!

  • @swiftclaw9402
    @swiftclaw9402 8 ปีที่แล้ว

    On the engine you were running at the end (the five hp b and s) I am currently working on one and wondering if you could make a video on how the governor linkages are set up on this particular engine because I have done research and cannot find a diagram for the engine

  • @360Prairie
    @360Prairie 8 ปีที่แล้ว

    Another great video.
    Holey moley, nearly 100,000 subs!!!

  • @SteveRobReviews
    @SteveRobReviews 8 ปีที่แล้ว +1

    Nice one Dony. 👍👍

  • @tedberg1635
    @tedberg1635 4 ปีที่แล้ว

    Did you put new crankshaft bearings and seals or reuse old?

  • @Thebrickrobloxcat
    @Thebrickrobloxcat 8 ปีที่แล้ว

    hi donyboy, i have a question for you about a small engine briggs and stratton sn 128m02/0134f1
    the engine was blown, prob was the connecting rod. i did replaced it with the right match, however when i tighten the bolt ,100inch lbs and tried to spin the crank shaft it won't turn at all.

  • @michaeld2649
    @michaeld2649 4 ปีที่แล้ว

    Learned a lot here Thanks Can a single shaft be converted to a dual shaft? I have to convert a Briggs for my tiller. I have 2 engines single shaft functional and donor engine with hole in block. Can this be done?
    Thanks

    • @donyboy73
      @donyboy73  4 ปีที่แล้ว

      if you have appropriate crankshaft and camshaft from another engine , yes

  • @Oldcoinsandstuff1
    @Oldcoinsandstuff1 5 ปีที่แล้ว

    How universal are engine parts from year to year? Where do you get your parts for older / newer engines?

  • @kirbonite
    @kirbonite 5 ปีที่แล้ว

    I have a briggs push mower that sits way too high in the deck.. is there any way to lengthen the crankshaft ?

  • @joev3315
    @joev3315 8 ปีที่แล้ว

    great video , like to see more of these repairs.

  • @Mr_Tecumseh
    @Mr_Tecumseh 3 ปีที่แล้ว

    I have a spare engine, but the machine needs the end of the crank to be tapped and threaded. Can I do that to it? Have you tapped the end of a crankshaft so you could add a center nut?

    • @donyboy73
      @donyboy73  3 ปีที่แล้ว +1

      yes you can if there is room

    • @Mr_Tecumseh
      @Mr_Tecumseh 3 ปีที่แล้ว

      @@donyboy73 Cool, thanks.

  • @lukemartin7029
    @lukemartin7029 8 ปีที่แล้ว

    great video Donny. thanks for posting!

  • @Bagholders
    @Bagholders 8 ปีที่แล้ว

    I have a crankshaft that is too long for my application. Is it all right to cut it off to fit it?

  • @matthewkral6151
    @matthewkral6151 7 ปีที่แล้ว

    HEY Donny I have a 11hp Tecumseh engine with a tapered crankshaft that I want to change to straight. Are there any engine that have a straight crank will fit? I have been looking online but can't find any.

  • @pbrstreetgng79
    @pbrstreetgng79 8 ปีที่แล้ว

    Dony i have a question for you. Do Canadians, or for that matter people in your community have a tendency to purchase quality outdoor power equipment? Here in the States most people buy "one season wonder" throw away equipment. I'm curious as to your opinion as a Canadian. Maybe you can squeeze this onto a q&a video...? Thanks. Longtime subscriber here.

  • @jesuspatino4231
    @jesuspatino4231 8 ปีที่แล้ว

    hi dony boy I have a problem with a sthil back pack when I try to starter the cord pull back very hard with a little explosion what I can do ?

  • @ALMIGHTYGARAGE
    @ALMIGHTYGARAGE 10 หลายเดือนก่อน

    Hey man have you ever heard of a power chief 5hp briggs? It's green 1976? Has alot of tags and details on it awesome looking engine it has the weird crankshaft was wondering of 1993 one would work from a 5hp?

    • @donyboy73
      @donyboy73  10 หลายเดือนก่อน +1

      I've never seen one!

  • @gregjr1657
    @gregjr1657 6 ปีที่แล้ว

    Another great video....As always, well done, Thank you

  • @nicolauscory2065
    @nicolauscory2065 7 ปีที่แล้ว

    Awesome vid. Very helpful.

  • @outdoorswithdooley1169
    @outdoorswithdooley1169 ปีที่แล้ว

    Blew up a 1100$ Briggs world formula, I guess I’m gonna rebuild it. Just need to get parts. I need a new crankshaft and a connecting rod. And a clutch.

  • @kaiok1777
    @kaiok1777 8 ปีที่แล้ว

    Great video!

  • @robertclark4929
    @robertclark4929 5 ปีที่แล้ว

    What kind of crank does a Briggs quantom pressure washer engine have...keyed and tapped like a mower?

  • @dubber2001
    @dubber2001 6 ปีที่แล้ว

    Hey man, I need a crank for a 7hp Briggs. I can't seem to find much on 7hp. 6hp and 8hp. But not much about the 7hp. Can I use a crank from anything else? Thanks

  • @circlepfarm9729
    @circlepfarm9729 ปีที่แล้ว

    What about the end play measurements on the crankshaft?

  • @ns671fr
    @ns671fr 7 ปีที่แล้ว

    just to point out does that double application of rtv with gasket affect endplay?

    • @donyboy73
      @donyboy73  7 ปีที่แล้ว

      no

    • @ns671fr
      @ns671fr 7 ปีที่แล้ว +1

      donyboy73 reason I ask is they say you use certain gasket sizes to obtain crankshaft endplay clearances which can start at .002. you would add thicker or thinner or double a certain size. I do love the learning experience from you, I've learned alot, I don't know how you do it - work, make videos and reply to your fans. amazing!

  • @paulcoutu1893
    @paulcoutu1893 8 ปีที่แล้ว

    dony have 18hp briggs opposed twin mower can run it for any amount of time bu t as you shut it off you cannot start till next day looses spark when hot tried 3 coils 2 key and flywheels isolated kill wire with no luck please any ideas its a single coil thanks

  • @taftr
    @taftr 8 ปีที่แล้ว +1

    Very good information. But 2 questions. why did you have to change out the blocks in the first place? Was there some sort of damage, oil leak, smoke? and in the leaf blower application wouldn't the lack of a rear cover crank roller bearing shorten the life of the engine having to turn the heavy blower fan?

    • @natenan5598
      @natenan5598 8 ปีที่แล้ว +1

      He didn't change the blocks, he changed the crankshaft. And the reason he said is that for the intended use of the engine it had to have a different shaft on it so he switched it.

    • @escortmad
      @escortmad 8 ปีที่แล้ว

      If you think about it he did replace the block because he took the crank out of another engine that may have been blown and put it into a running motor just to achieve the crank shaft size he needed for the application

    • @taftr
      @taftr 8 ปีที่แล้ว

      He put the crank into a different block. so my question was what was wrong with the block he took the crank out of. You also see that he switched the carb, exhaust and recoil.

    • @escortmad
      @escortmad 8 ปีที่แล้ว

      Yeah I fully agree with you Richard was just responding to nate as they said he didn't change the block which he did do also by putting the desired crank into another motor

  • @arciefan
    @arciefan 8 ปีที่แล้ว

    Hey Don, Great video. Exceptional step by step instruction and great camera work. Just wondering why since I don't see a single video on YT on reworking a head on a riding mower with briggs engine. I see them on the small engines where the valves are lapped but nothing on the riding mowers with the overhead valves. Just wondering if new springs, guides and valves and guides can be put in or would it require machinist work and make it more cost effective to order a new head. I'm sure that would be a huge cost though. Anyways would appreciate if you would comment or make a video on that. Thanks for your great channel !

  • @adrianhorn6655
    @adrianhorn6655 6 ปีที่แล้ว

    Dont forget to tab over the bolts on the bottom of the crank shaft otherwise very informative thank you for a great video

  • @jeremywade2808
    @jeremywade2808 6 ปีที่แล้ว

    I have a 14.50 briggs with a bad block. It may can be bored out. I don’t know anybody around where I live that will bore a small engine. My bad briggs is Model 204312 Type 0529B1 OHV. What block can I use to swap shafts? The motor is for a chipper. It has a big tapered shaft like in your video. Can you help me find a block I can use to swap the shaft?

  • @jefftorres1569
    @jefftorres1569 7 ปีที่แล้ว

    Ok. I have a Honda GX270 9hp small engine that has a short crankshaft. What can I do to extend the shaft please?

  • @georgeconcha1260
    @georgeconcha1260 5 ปีที่แล้ว

    Hi donyboy do you know what the part number of the key on the crankshaft for the timing gear is its seem that no one knows

  • @davekri1662
    @davekri1662 4 ปีที่แล้ว

    what the torque spec on the flywheel end for a 190cc B/S engine please