Im pinning this to the top here, ive noticed alot of you are having bogging and no power issues, id take a look at your crank seals and replace them, theyre easy enough to do (easier than this) and cheap. If they are bad or dislodged they will cause air to leak into your crank case and it will run VERY poor. I do them on every new bike I get (used new)
@marioguzman9290
11 ай бұрын
Love the heavy metal music!!! The first part of the video anyway.
@Twostrokealec
5 жыл бұрын
Thanks everyone for the views and comments, I literally uploaded this video only to prove to the hicks in my Highschool I knew more than them about motors (was 15 at the time) and while making the video I had just gotten a new video editor so I put that to use, guess it turned out so well you guys liked it, subscribe if you’d like to see more videos of me tinkering with stuff and racing because I have a long season ahead of me!
@TSOLification
5 жыл бұрын
hey i'm doing my rm125 2007 and the rod for the exhaust is down, here you have your one moving up and down mine seems to be spring loaded in the down position pulling it towards the crankcase???
@Twostrokealec
5 жыл бұрын
T.S.O.L you have a different year/ generation of bike, I’d suggest buying a manual as I’d be helping you blind (I’ve never even seen a 07 top end or bike up close) manuals are around $50, smart investment for the time being and future repairs, also it will show you what the manufacturer recommends for preventative maintenance
@TSOLification
5 жыл бұрын
@@Twostrokealec ended up rebuilding it via this and the online manual and it's running perfect , took it for a two hour ride after break in and it's running soooo good, thanks for the video by the way.
@peytonfiddler1431
5 жыл бұрын
T.S.O.L did it matter that it didn’t move up or down? Mine is doing the same thing
@TSOLification
5 жыл бұрын
@@peytonfiddler1431Eaters sorry late reply, na everything was fine to leave it in the position that you took it off, my bike is back together and running perfectly after a break in of course! I'm four hours in already, RM125. 07.
@roccoeldiablo
6 жыл бұрын
Yeah man. Merci grace a ta video je vais pouvoir remonter le mien que j ai recupere en pieces detachees.Big up et bon BRAAP a toi.
@Catfish2255
7 жыл бұрын
That's how ya do it ladies and gentleman..
@joemiller8516
4 жыл бұрын
👍 hell yeah man .
@Anothersilencedvoice
Жыл бұрын
I love your choice of music for your vids
@Twostrokealec
Жыл бұрын
Thanks I appreciate that!!
@stevenparsons9068
6 жыл бұрын
Good vid other than the headache playin in tge back ground
@Twostrokealec
5 жыл бұрын
Steven Parsons you listened to normie music, not my problem
@Twostrokealec
5 жыл бұрын
Steven Parsons but thank you
@guesswho2237
6 жыл бұрын
What pound of torque did u use on the head is in by inch or ft pounds don’t want to buy wrong wrench can u give me specifications on the rite torque down for all srews
@brandonmills9804
7 жыл бұрын
I have a 98, paid 550$ for it. Then had the bright idea to take it into a shop and told then to fix everything. I seriously wish someone would have stopped me. 1100$ later with new 1st and 5th gear shift forks, swing arm bearings brand new carb which had to be jetted with the fatest jets available or it just died out."it was a nightmare btw" took two carbs to get it right. they sold me a knockoff or something at first that just would not work then ordered the kehin which finally didn't bog or overheat in 3secs. I could have bought an 04 or something for 1650$ but at least I know what I have. not w it has no spark just ordered the stator but forgot the flywheel puller fml I swear. but for some reason they told me my piston was almost new and didn't put the kit on it it's been braapd about ten hours since rebuild so I believe it's best to put new top end on it but I don't know which size to buy..125s are 54mm but my head says 54.5mm what size should I order?
@Twostrokealec
7 жыл бұрын
i would buy a micrometer and measure the actual physical size of the cylinder before ordering anything and make sure you get the right sized gaskets too
@josemares1439
5 жыл бұрын
Great video bud
@Twostrokealec
5 жыл бұрын
Jose Mares thank you and thanks for bringing me back to this video, haven’t checked on it in years and it’s got a ton of views lmao
@josemares1439
5 жыл бұрын
Nah man thank you...just picked up a '97 rm125 yesterday probably will need a top end desperately but got it for under $500 so can't complain...I'll definitely be viewing part 1 and 2 again music in part 1 was nice
@Twostrokealec
5 жыл бұрын
Jose Mares thanks dude! Music links should be in the description, if you have any question comment on one of these videos, I should get back within the same day, btw buying a manual for your bike with help a ton
@josemares1439
5 жыл бұрын
@@Twostrokealec got it!!!
@peytonfiddler1431
5 жыл бұрын
Rebuilding a 1996 rm125, and I have a few questions for you. On my power valve thingy ma bobber, yours looked as if it freely moved up and down. Mine, however, seems like in place. Is it supposed to do that? Also, what did you torque your head bolts too?
@Twostrokealec
5 жыл бұрын
Guacamole Eaters I didn’t torque my head bolts at the time because I had nothing that could fit in there, buying a manual online will give you every toque spec you need, if your power valve is sticking I’d suggest cleaning that while you’re in there, very easy
@peytonfiddler1431
5 жыл бұрын
Twostrokealec, how about the top cover? You used a torque wrench on that it looked like. What was the specs on it?
@Twostrokealec
Жыл бұрын
@@peytonfiddler1431 sorry never saw this, two stroke rule of thumb on my own machines when im unsure is like 18 to maximum 20 ft lbs. but yeah i would definately get a manual or try to google it first.
@lauritsnielsen108
6 жыл бұрын
How many kilos do you spend the top of the cylinder
@derrickfrancis4
7 жыл бұрын
SUPER IS THE BEST 2 stroke💯💯💯
@Josh-Rc-more
4 жыл бұрын
Don't use it for break in tho
@macdaddyrepairllc7433
4 жыл бұрын
would have been awesome if you showed yourself fitting the snap ring into the jug. kinda just skipped that part. I cant get mine in
@Twostrokealec
4 жыл бұрын
If you’re talking about the ring around the piston, you line it up with the notch on the piston and squeeze it together then fit it into the jug, don’t forget to lube everything
@macdaddyrepairllc7433
4 жыл бұрын
@@Twostrokealec thanks dude! you're the man
@joshuaglay2657
5 жыл бұрын
Do you know what you torque the head bolts to? I have a 98 and i can’t find a manual online.
@Twostrokealec
5 жыл бұрын
Joshua Glay you couldn’t find a physical copy? And you’d be looking for the generation of your bike not the exact year, this video is from 3 years ago when I was 15 so I do not remember sorry
Joshua Glay that is your generation bikes manual, good luck on it 👍🏼
@matthewburns6843
3 жыл бұрын
18 ft lbs torque wrench 🔧
@johnkush9531
7 жыл бұрын
hey what problems were you having before you replaced the top end? Bc my 2002 rm125 won't go into any other gear except 2nd and only goes like 6mph
@Twostrokealec
7 жыл бұрын
John Kush that's your trans
@Sackmatters
8 жыл бұрын
I live how easy two strokes are to rebuild its just stupid. Have you ever done a 4 stroke. I mean the entire engine transmission to piston? its pretty annoying.
@Twostrokealec
8 жыл бұрын
+Sackmatters they are easy, and I'll have to post an update
@Sackmatters
8 жыл бұрын
Twostrokealec very cool.
@charlesroberts6284
3 жыл бұрын
I have a 1990 RM125 it has a Mikuni mt carburetor do you know what MM it would be Cannot find any numbers on thanks
@Twostrokealec
Жыл бұрын
Id have no idea thats a completly different bike. Id go buy a manual online or try google. google is a hit or miss.
@dorinelcira687
2 жыл бұрын
how did you run in rm? I also have a 2005 Suzuki rm 125
@catlover74-o4o
Жыл бұрын
Why is the cylinder head removed? Is that necessary?
@Twostrokealec
Жыл бұрын
Inspection. If you're there already there's no reason not to take it off and look, especially since you'll have had your top end gaskets ordered.
@slight_bikelife
5 жыл бұрын
What year front fender and number plate did u use. Plzz answer back doing a rebuild on my channel
@Twostrokealec
5 жыл бұрын
slight_bikelife 2001 rm125 Front tripple trees and forks with 2007 front fender plastic from rmz250
@Twostrokealec
5 жыл бұрын
slight_bikelife have fun I also used pro tapers Carmichael bend
@slight_bikelife
5 жыл бұрын
Thx bro
@greatvidz2755
6 жыл бұрын
What did you use the grease them up
@Twostrokealec
5 жыл бұрын
240sx Drift life two stroke premix, sorry for late reply
@RidingWithNick125
8 жыл бұрын
. So i just rebuilt my yz. And when i checked the compression the compression was at 105 psi which was the same exact compression it was before i rebuilt it. I used all oem parts like piston,seals etc... And the hone marks are still there. Why is the compression so low. Also yamaha book says that after rebuilding the compression should be between 155-160.
@Twostrokealec
8 жыл бұрын
It should be higher, you did something wrong man idk what, but all I can say is send the cylinder to a machinist and have him tell you what he needs to do. And what you need to do. Compression should be that high. Are you sure you didn't miss something? Nothing is left in the gasket kit right?
@RidingWithNick125
8 жыл бұрын
+Twostrokealec so the first rebuild i put a wiseco piston and seals in compression after the first rebuild was 100 which was the same before. So then i bought all oem stuff for the top end. I put that in and it went up 5 so 105. Could the reed valves have any thing to do with it? And what did the compression on your yz and rm read?
@Twostrokealec
8 жыл бұрын
+RidingWithNick 125 like I said get your cylinder honed even without a break in it will actually be higher and nothing else has anything to do with it besides crank seals. Both my bikes read 150 that is a good amount
@cameron5454
6 жыл бұрын
YzNick did you break in the bike? Right after we rebuilt my brothers old Cr125 and it was at 110 psi. After breaking in the bike, it was at 150 psi. The rings have to seat in order for it to be at the most compression.
@yourface3154
6 жыл бұрын
^ Shouldn't be testing it until its been heat cycled like T/C Films said.
@samuelsmith8576
6 жыл бұрын
What is the torque specs on a rm100
@arcticcatkickass
2 жыл бұрын
This man dont use torqe specs ahahaha
@Twostrokealec
Жыл бұрын
@@arcticcatkickass i did but i did not show everything on camera
@Twostrokealec
Жыл бұрын
what year is it? look on google or buy a manual. im only replying now for future user of the video.
@burrussriding8296
8 жыл бұрын
When you had the new piston on and the head was off did it have low compression or high compression?
@Twostrokealec
8 жыл бұрын
Lol you can't test compression without the cylinder and head and exhaust on
@burrussriding8296
8 жыл бұрын
+Twostrokealec I know. I was just wondering if there was compression at all
@Twostrokealec
8 жыл бұрын
Can you redo the question?
@Twostrokealec
8 жыл бұрын
+BurrussRiding82 oh before rebuild?
@Twostrokealec
8 жыл бұрын
+BurrussRiding82 there was compression before rebuild but it was 20 psi lower than what it previously ran at if your rm is at 130 or lower I suggest a rebuild
@Krewtonn
6 жыл бұрын
what was the smallest round rubber gasket for
@mikee2612
6 жыл бұрын
Water seal
@Krewtonn
6 жыл бұрын
holy crap man im glad someone replied is that in the water pump
@caseyheck4186
8 жыл бұрын
What kind of oil did you use to put on the piston and inside the cylinder?
@Twostrokealec
8 жыл бұрын
Whatever two stroke mix I use later on. I use klotz but use whatever you are going to run
@caseyheck4186
8 жыл бұрын
+Twostrokealec so the 2 stroke premix?
@Twostrokealec
8 жыл бұрын
+casey heck yes
@caseyheck4186
8 жыл бұрын
+Twostrokealec so I have a question. I got a new cylinder and piston and I didn't put the head on yet, and I tried the compression and there was none. is there supposed to be compression even without the head on?
@Twostrokealec
8 жыл бұрын
+casey heck um no and it's beyond me how you tested the compression without the head on. Usually you put a compression tester in the spark plug hole
@jacobaugustin8420
7 жыл бұрын
im doing a top end on an 01 rm 250 and that arm at 420 came outta my engine is that bad?
@tylergurley6795
7 жыл бұрын
jacob augustin yep that's bad you gotta split cases to fix that
@Twostrokealec
Жыл бұрын
no you dont, you just need to pop the clutch cover off and re mount it back in. if i remember correctly they have a plastic piece that hold onto the arm if that is broken you will need a replacement. they are cheap but tiny shipping will cost more than the part lol.
@shredder_mang3211
7 жыл бұрын
Think the process on a 95 would be the same
@tylergurley6795
7 жыл бұрын
BrandoBrap yea most years are the same on rm
@Twostrokealec
5 жыл бұрын
Tyler Gurley I don’t need you stalking my channel and telling people incorrect info thanks.
@chrisflo9704
8 жыл бұрын
how did you make the piston go up and down ??
@TerrickHarden
7 жыл бұрын
The kick start lever
@Twostrokealec
5 жыл бұрын
Chris Flo magic 😉
@CAKEface75
7 жыл бұрын
How come this is no longer available?
@Twostrokealec
Жыл бұрын
probably the music copy write
@Twostrokealec
Жыл бұрын
sorry
@willposs9233
5 жыл бұрын
I just bought a rm85 dude said it needs a rebuilt but it would now crank has hardly no compression and I. Can use my farnger on the kick and turn it does it need rebuilt or something else
@Twostrokealec
5 жыл бұрын
Will Poss it for sure needs a top end, and it doesn’t show signs of scoring (look up what scoring means) then it could be the crank seals which is a very hard job (bottom end)
@Twostrokealec
5 жыл бұрын
Will Poss and btw to check the cylinder take the pipe off your cylinder and grab a light and move the piston up and down, if you see scratches you need a top end and she should be good
@Twostrokealec
5 жыл бұрын
Will Poss if you do a top end rebuild send the cylinder out to a machine shop in your area to be honed out
@buddyro8991
5 жыл бұрын
@@Twostrokealec if the piston goes to bdc without a problem, but when going up to tdc, it's harder to go up. The kickstart isn't moving either, it's like the piston is seized ? It will go up, but I have to turn the cranknut in order for it to go up
@buddyro8991
5 жыл бұрын
@@Twostrokealec also too, when put into gear, the rear tire is dragging, instead of slowly turning like it normally would. Rides fine in neutral, in high gear it still won't free up. I think it's the piston seizing tbh, but not sure and wanted a second opinion?
@kingjay_431
4 жыл бұрын
Can you send the link for the piston
@Twostrokealec
4 жыл бұрын
What bore size is your bike? You can check that with a micrometer
@jonharper3725
3 жыл бұрын
If it’s a 2000 or so it’s 54mm... just ordered 1 for mine !!!
@johnybrug5406
6 жыл бұрын
your watch is upside down? LOL!
@Twostrokealec
5 жыл бұрын
John Brugge ever play metro 2033? Plus it makes it not get damaged
@itgivenolimit2348
6 жыл бұрын
just buy a fmf:)
@slight_bikelife
6 жыл бұрын
What year is his 125
@cliner7176
6 жыл бұрын
Looks like a '99
@johnforsberg3827
6 жыл бұрын
back off haters
@mikewiththebike7024
8 жыл бұрын
i need to rebuild mine
@Twostrokealec
8 жыл бұрын
It's really not that hard
@mikewiththebike7024
8 жыл бұрын
+Twostrokealec yep the only hard part is paying the money
@antsbuster8610
5 жыл бұрын
Do you have to hone it??
@Twostrokealec
5 жыл бұрын
SirSealBrad yes sir, you may even have to bore it over too depending on how scored it is, if you do bore it over make sure you use the correctly sized piston
@antsbuster8610
5 жыл бұрын
@@Twostrokealec cheers for the reply mate, helped a shit ton!
@Twostrokealec
5 жыл бұрын
SirSealBrad no problem!
@KeyRider
8 жыл бұрын
you didn't put oil on wrist pin
@Twostrokealec
8 жыл бұрын
It's pre oiled
@Twostrokealec
5 жыл бұрын
Mine was pre oiled* if yours isn’t then oil it, pretty much lube everything
@dny9394
4 жыл бұрын
Dreadful noise in the background makes this unwatchable. Pity.
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