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Motorized Bicycle MS460 Build Part: 6 Cylinder matching & Piston conversion!

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Sorry in advance! This one is a long video!
This My first Ms460 build! I read all bs on google and forums and everyone's rambling 2 cents that never built one either I'm guessing. Cause 90% of what most told me is clearly not the case.
PK80 bottom half not a good choice! Better one would be a yd100 bottom half. People say oh well when I built mine I used 80cc bottom half bolts nearly lined up! LOL full of BS to the core! 50x55mm bolt pattern! about barely fits on top of that! Now on a Yd100 I could see this maybe if you cut each hole as a slot 2.5mm toward the center.
People said the Stock MS460 piston would not work in the build! You need to make a spacer or use a ms380 piston! this thing came out so freaking close to near perfect I about fell over in disbelief! My guess is someone got to crazy with decking the bottom half and the thing was 1mm shorter then use to be! I only cut 2 passes off my bottom half @ .2mm each pass!
But yeah most of the stuff I read and people told me over and over again cause you know they know it all from the guy that knows the guy that got told by other guy, cause he saw it on google!
So with that said I cut my jugs bolt pattern on 45 degree slants inward 3mm each to give me enough material to get this bird rolling further along!
When I put the jug on with no gasket I came out to .37mm squish right off the bat! We need about .6 - .9 to get a semi decent running engine to start with! Anyhow so far this project has been fun!
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LINKS:
BabySawZilla MS460 Build Playlist: • Ms460 Motorized Bicycl...
SawZilla MS660 Magnum Build Playlist: • MS660 Motorized Bicycl...
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#video
#motorizedbike
#motorizedbicycle
#diy
#bike
#rider
tags (ignore)
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Опубликовано:

28 авг 2024

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Комментарии : 60

@bigjay6743 23 дня назад

I love what you did with the clutch Would really like to take it for a test ride and see how that feels. I started with one of these motor kits last summer an 80cc And it has become an addiction I love upgrading these things and seeing what I can get out of them I now have 2 of the 80cc a 100cc and a 110CC soon I'll have a new ride for every day of the week. My favorite engines is the 80cc but they all have potential to be more.

@BuildBreakFix 23 дня назад

Welcome to the hobby 😆 or should say tinkering addiction 🤣

@SpAcEcruizer203 2 года назад

holy fuggin shit my mans sawing his way to chiNa lmao get some ice water asap bro dont let these machines get the BEST of ya

@BuildBreakFix 2 года назад

Freaking fan died lol! 10 fans back there. 1 died was on main cnc board lol one of those SOB moments

@SpAcEcruizer203 Год назад

Dang bro lol

@TheBigred1781 2 года назад

If humidity in the air won't damage anything in your shop, you could try a homemade Swamp cooler to cool your shop off a bit

@BuildBreakFix 2 года назад

I am considering! Full split unit ac! Yeah seen those pretty neat little buggers. Run cold water through coils and blow air by them. I looked at that while back only thing is I hear it can cause black mold to grow super fast from like what you said the humidity they put out! black mold stuff grows better then lawn in sc lol!

@fredmitchel1236 Год назад

Good job and sticking with it..

@BuildBreakFix Год назад

yeah well~ back when i made this first one 472 ago made may improvements in design LOL To point some other builders where asking me for parts int here builds. even few people hated me didn't realize they where rocking parts i made they went Wow over lol when went into mass production last year before all crazy mail theft crap! gave up cause couldn't get parts in fast enough in big orders cause of it.

@bikeyogi16 Год назад

AWSOME BUILD

@BuildBreakFix Год назад

you know i have 2 cylinder one of these also, Here some engine porn for yeah lol! ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-PWkeEORHjbA.html here is Ms660 on pure steroids! ru-vid.comrGHl3O9ok9o?feature=share

@dzrotary Год назад

Hey how you doing? Nice shop . I wish i could have some space but the shop were i had my stuff got rented out. Im working in my second chainsaw friction powered mountain bike. My first one was a prototype and it worked well for about 7 months till I blew the piston and carved a line deep enough for the bullet train to pass by . This one now is gonna be aluminum frame with most of the stuff aluminum that i got from a tossed off bike . Is gonna be powered by a 50 cc poulan powermonster friction propelled. Im heading to Puerto Rico to get the “axle” knurled cause the place where i work have a tool shop but my friend is out in vacation for a month. Trying to get it ready for may . Thanks for thr entertainment and knowledge.

@BuildBreakFix 6 месяцев назад

I hear bmx bicycle steel foot pegs work awesome on friction drive. Never tried one yet. But many told me that now

@dzrotary 6 месяцев назад

@@BuildBreakFixhey thanks . The new one has gone through some newer modifications and and now it has a newer frame cause the aluminum one had a hairline crack at the fork stem. It’s working fine and i can pick up speed up to 28 mph +. The roller was custom made by a friend at the work shop with knurling. Its the grip part from tools . I tried getting bmx footpegs but this was free from the scrap container. Take care.

@SpAcEcruizer203 2 года назад

this is the motor YOURE dOING for the .......GiVEAWAY right lol jk good work bud they were using those secret pk80 bottoms the ones that come with a rubber ducky so when they blow and you gotta walk home from Kalamazoo u got something to fiddle with on your long walk home lol

@BuildBreakFix 2 года назад

I like the pk80 bottom half that comes with ejection button! Still to scared to press it LOL!

@SpAcEcruizer203 Год назад

Lmao yea right u need a parachute to slow that beast down

@bigego99 6 месяцев назад

I reviewed the cutaway video of your explanation of the ms460 squish value if 1.5-1.6 mm. Yet, in the final build you contradict your own advice and go with .8 mm. I watched the ride videos and .8 mm squish seems to have worked out. Any thoughts?

@BuildBreakFix 6 месяцев назад

That was a 54mn after stock top end.( Magnum). It has squish value of 1mm to .75mm called a speed saw jug. Normal Ms460 52mm is 1.5-1.8 actually. Designed to have lots of low end to get a chain going in stuck wood and such . Other is more competition saw jug.

@paullehman8652 2 года назад

27:37 the moment of satisfaction

@BuildBreakFix 2 года назад

ROFL yes lol! about fell over when found out the squish too lol! I did a .35mm gasket today with a dab of sealer around it for good measure. Squish came out .78mm

@paullehman8652 2 года назад

@@BuildBreakFix lol 0.02 off of .8 sounds perfect

@user-si6rj8je2i 9 месяцев назад

Why are the jugs with the fins crossing through on the top no good , but the jugs with the flat block on the top more ideal for the build ?

@BuildBreakFix 9 месяцев назад

Saw builds are 1 piece you can't change their directions. Gotta remember it was designed for a chain saw! Honestly they run cooler then mostly builds

@josephdale5400 Год назад

Hey bud I'm sorry that you're not selling saw builds anymore I was looking forward to buying one from you. I have a question, should I run a reed setup on my saw 460 engine or gust a hose for intake and carb? I know you know what your doing and would appreciate you advice. I'm not a professional so I really can't make up my mind.i only want to do this once if possible and the right way. So I'm thinking about getting one from Ken Henson an the engine he showed me only has intake and carb no reed setup.can you please let me know what you think the best way to go thanks for your time and help.

@BuildBreakFix Год назад

Use a hose! Reed valve takes alot of port timing changes. It's really complex. ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-b1b0wk1fH3w.html

@timothycogdill9548 Год назад

I follow that the Pk-80 has a 38mm stroke, but the Yd-100 can come in at 42. Am I right in assuming that if you where to do this exact build on a Yd-100 bottom, that you would have to change the crank? I assume changing the rod would mess up the whole geometry. Love the vids Man. Can't wait to see the twin 460 breath FIRE🔥.

@BuildBreakFix Год назад

I did a cut away view so you can see 38 and 40 mm crank in a ms460 saw build. But yes your correct 38mm crank is ideal! ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-b1b0wk1fH3w.html

@untitledduck9675 Год назад

i almost finished my ms440 build is any port work I need to do to it that would make it better?

@BuildBreakFix Год назад

Did you see my cut in half timing of ms460 video I did. Explains a bunch on it. But don't change intake at all! Number one killer of power funny enough! Honestly even with 100% on point perfect timing altering ports and such almost zero noticable power change. Last build was to the 2 perfect. One before it was stock porting can't notice any changes Though when your going 55mph on bicycle no one really does notice the 4% change lol

@motorizedandrew3942 Год назад

Are the yd100 bottom ends ready to go with stud spacing or do you still have to tap them out ?

@BuildBreakFix Год назад

You have to slightly alter top end front 50×56. You have to ( )

@413MassDigger 2 года назад

hey bro, good to see ya!! I got a PK80 i just bought...Well i think between the top and the jug is leaking air,, what do you recommend i put along with the cheap gasket they give you?

@BuildBreakFix 2 года назад

Before anything! Make sure head bolts are tightened evenly! suppose to be 15FTLB's if you put small amount of that red make a gasket on the actual gasket it seals up really well if there is some sort imperfection causing it! Actually using that on this build when do the head in next video even lolz works great just in case kind of thing! Just lightly though!

@413MassDigger 2 года назад

@@BuildBreakFix yep bought a torque wrench for this exact issue,,ill try a light layer of high temp gasket maker or something,, thanks for the info bud,,

@marthamryglod291 2 года назад

I found on my stock head that it wasn't flat so I glued some 180 wet sandpaper to a glass top table and sharpies the bottom of the head and sanded in a figure 8 until flat. Boosted compression a little too. Fixed my issue.

@413MassDigger 2 года назад

@@marthamryglod291 yep i kind of did the same, i can still see a little gap,, but I put a thin layer of that gasket seal and it works fine

@marthamryglod291 2 года назад

@@413MassDigger that's awesome 👍 good to know that works!

@scottdavies3914 2 года назад

my phantom 85 version three came with a drilled out rod for 12 mm pin, since you had this engine all the way down ,why not drill the rod..anyway carry on with the good work.

@BuildBreakFix 2 года назад

the gen 4 phantoms have a 22mm crank opening and 18mm Piston opening. MZL100 rod i think it's stamped with. 118 mm long 88mm center to center! but yeah you can't buy them! no stock of those to buy yet! you can't drill a rod out! it has 10% cobalt and 15% carbide in the steel mix! As soon as they mill it and carbonize it then heat treat that thing nothing will scratch it even lol! Drag one one day if you can on pavement or concrete can scratch your name in it but wont hurt the rod!

@scottdavies3914 2 года назад

@@BuildBreakFix I did not know the rods were so tough very good to know, I nearly tried it on my first phantom but just put a yd 100 jug and piston on, no window but I did put a third transfer in ….g2 reed pwk 21 so far fastest engine…no base gasket, raised the exhaust a couple mm, hogged out the bottom of case below the intake, did not put a degree wheel on it I may now that it runs so good so I can repeat it lol

@BuildBreakFix 2 года назад

@@scottdavies3914 yeah 2 stroke rods are amazingly hard once there carbonized and heat treated! 2 below a diamond on Rockwell scale for hardness! yeah surprised me too! lol!

@scottdavies3914 2 года назад

@@BuildBreakFix Your vids are getting really informative, the crank balancing one really helped me understand the weight of each drilled hole, I was curious if the windmill effect would work for turbulence by drilling holes all the way around circumference of counter weights, in race car engines we knife edge cranks to cut down on windage…just a thought.

@TheLouisamite 2 года назад

What crank is that,? How is your sqwush inside a mm ? Every jug I've ever used had to be cut down to get the sqwush right ,is it a 38mm rod?

@BuildBreakFix 2 года назад

Didn't have to cut anything down I used a 38mm stroke "crank" and a lz40mm rod. Rods just change in weight not size or length. Af80, lz40mm, yd100 are all the same dimensions. Squish in this built is .76 mm. I build my ou own cranks. Here is a video with lots of info I did on how to balance one like in this build! ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-c2PImNzCufo.html

@kakawmkgraw1570 Год назад

How did you do 38 mm stroke crank if the lz40mm is a 40mm stroke?

@kakawmkgraw1570 Год назад

And rods do change in length. Zae50 rod is a 38 mm stroke crank fm80 is a 38 mm stroke both are shorter and thinner than yd100 rod

@BuildBreakFix Год назад

That is a rod stamp to I'd what rod it is. Has zero to do with stroke length. Rod stamp states the rods 116mm geometry and weight! Stroke is determined by the crank pins center location in relation to center of cranks output axles. Example: If the crank was 30mm then the same rod would create 30mm stroke. Hope that helps explain it! To many people think rod stamps indicate stroke. Very much so not the case! Another example! Seen yd100 cranks come in at 42mm strokes as well but most assume cause it has yd100 stamped on the rod it means 40mm

@fredmitchel1236 Год назад

You should boring...facing..chamfering with a tool in the lathe

@BuildBreakFix Год назад

Have one for the cnc mill I just add the 5th axis table 😅

@dentonthomas5622 2 года назад

Does the case have to be a pk80? What about the yd100?

@BuildBreakFix 2 года назад

Yes a yd100 is ideal! No center hole to cut out of it if your using 52mm piston. I will be doing second build of this with one and hand tools now that I got good product to reproduce!

@fredmitchel1236 Год назад

You are quite the parts butcher...at least you played with CNC...

@BuildBreakFix Год назад

It's a 500$ china mill with 3d printed parts making it a cnc mill lol. Yet it cuts .05mm tolerance so can't complain for a hobby 2 stroke engine

@leonardarola 2 года назад

Ohh it's up! Pla abs or?

@BuildBreakFix 2 года назад

neither lolz! Nylon! though would think Pla or Ptag would be best because ABS skinks to much for a layout template! I have a industrial Delta printer that just prints in nylon pretty much!

@leonardarola 2 года назад

@@BuildBreakFix You lucky. Have a little printer here and suffering to do abs. Shrinks like a mother. Thinking about building a warming enclosure around it.

@BuildBreakFix 2 года назад

@@leonardarola Ha for ABS it's like 100% must! swear to god a fly goes by and freaking prints lift from it lol! go ton one of those bargin stores lkee dollar general or something, not sure what they have there! get poster board! Foam display boards kids use for school make one with some masking tape! Your prints will come out like a boss with box made out of those over the printer.

@leonardarola 2 года назад

@@BuildBreakFix Dude! Wil try this today. Thank you.