Good tip with the ring boundary. Got a few porting tips for anyone starting out, maybe cover in a video some time. But 2 basics tips for anyone just starting out is 1 do your porting changes to the Exhaust only to begin with, transfers require a careful hand and eye and a mistake can send the power off a cliff. Exhaust timing is fairly straight forward and a small errors wont kill it. 2 is make the port height change on piston first, removing material from the crown so the edge of the piston only where the port is located is lowered to effect the new Ex port timing, Once that has been tested, copy that to the Exhaust port and fit a new piston. Pistons are cheaper than Cylinders so if you make a mistake by going too far it only cost you a piston and you can do the job again on another one without going too low and then run it and make sure that's getting the power curve you wanted and if all is good then transfer the same timing specs to the Ex port by porting it and fit a new piston.
@2STROKESTUFFING
7 жыл бұрын
+AuMechanic Great tips, thanks!
@EarthSurferUSA
6 жыл бұрын
I port small 2-stroke cylinders, ex, in, trans, (my living), with a Tormach CNC mill and finish them by hand. I now hate the "hand" part.
@ezgaming8101
5 жыл бұрын
How can I make my moped rev higher I have installed a 70cc kit and a bigger carb and can only get 50mph
@davonmulder5272
5 жыл бұрын
@@ezgaming8101 that's actually pretty good for a 70cc, what bike?
@ezgaming8101
5 жыл бұрын
@@davonmulder5272 it's an ajs firefox u can't buy any thing for them u have to get every thing form manufacturer it has a technigas exhaust on it from a vespa too
@MrTheHillfolk
6 жыл бұрын
2:00 good tip on the glue. I had to surface an oil pump cover for one of those Chinese diesel clones as it was scored. I couldn’t hold my finger on it as it was about 1” or 25mm in diameter. So I used crazy glue to glue a short stick on it, and it worked like a charm on the lapping plate. Love those tips.
@zomaardan
3 жыл бұрын
Im really sad today. So i watch my favorite oploader old vids to cheer me up.
@baskyfilm
2 ай бұрын
I hope your doing better
@wendellfugate9069
6 жыл бұрын
Many thanks for your help. Truly appreciate. The higher velocity intake and exhaust in smaller diameter may just crispen-u my 7cc's throttle response and power.
@Skimeric
3 ай бұрын
lmao
@jarikinnunen1718
3 жыл бұрын
Someone found accitentally pipe-cylinder resonances in sixties. It is ruler of power.
@RoboDriller
7 жыл бұрын
I like my port timing right at 210° exhaust, 135 on transfers and raised the boost port a bit more
@2STROKESTUFFING
7 жыл бұрын
+Nick Mieloszyk Try lowering the transfers to 130-132, you might be surprised... Only works with very good transfer geometry.
@BasVossen
Жыл бұрын
nice one! ps they call it 'can of worms'. Many old timer Tomos 4L and Puch cylinders have been upgraded by me, after I destroyed a bunch to learn. I didn't decrease the compression timing, just worked inlet (Venturi) and transfers. Sometimes I made extra ports and cut little holes in the piston that connected with them. Best of luck with your porting projects!
@gwo7610
7 жыл бұрын
your braver than me.. those iame 39cc motors are super expensive, everyone in the british mini bike championship has them, very quick
@darrencolegold3642
5 жыл бұрын
A good tip for using carbide burrs on aluminum is to keep them lubricated, a spray of RTD spray from time to time will keep the cutting tool clean and sharp, which makes for a consistent and predictable tool.
@whirlybirdrc
2 жыл бұрын
Three years later and this tip is as helpful as ever.. thanks!
@zagrepcanin82
6 жыл бұрын
great advices for me....i have a ruined cylinder of morini ac....my crank was out of balance....so i will hone it for o1st or 2nd oversided piston and do the port thing too...
@shawndubay4050
3 жыл бұрын
Sounds like it's going to be a powerful beast of an engine. Speaking of 2 strokes. I just got a brand new husqvarna lawn trimmer. It was quite a bit pricey but worth it. I was wondering what would be the best way to "break in/wear in" the new engine as everything feels pretty tight and has a lot of cylinder compression. I want to keep this machine for as long as possible and want to do the best I can to break it in correctly for a long engine life. I have not had it past half throttle yet as the power was not needed. One tank has been ran through it. Thank you in advance for any help or advice that you can give. It is very much appreciated. You do great and amazing work with engines and trust your advice highly. Have a great and blessed day.
@cistokrvnibosanac1266
2 жыл бұрын
let engine warm up for 5 mins before working,change choke position accordingly,use high quality 2 stroke oil within range :1:30-1:40(atleasr what i use) every now and then clean out the carb filter.Check for spark plug gap and compression every few months.Look if there is any leak like on carb gasket(means torn gasket or carb is curved-fix it by removing all excessive things off of it and put sand paper on glass and do circles until its fully flat. Every year check if bearings are ok and if seals are torn appart or they let mixture run out.Check your differential head if it has any play and sometimes put grease in it.
@Lord_Verminaard
7 жыл бұрын
Wow, a lot of content in a short video! If I ever blow up my Stage6 cylinder I might buy a cheap-o cylinder and go at it myself just for funsies.
@2STROKESTUFFING
7 жыл бұрын
+Brendan Doyle You should, it's fun!
@MrTheHillfolk
6 жыл бұрын
2STROKE STUFFING DIY is a lot more rewarding.
@hoon12345
5 жыл бұрын
Also I found dipping the item in 2t oil or another oil helpful in catching the metal bits and smoothing the process
@eduardodiaz5762
5 жыл бұрын
Cutting oil would work the same would it not?
@TYGAMatt
5 жыл бұрын
Good tip on the diamond burr. Another good reason is that the Nikasil can quickly wear our a carbide burr. So you end up with useless tools and a ruined cylinder
@meskalin64
4 жыл бұрын
When i was 15 and had a moped i did everything to be max size. Some worked some didnt.
@jahasmitasmitas3338
6 жыл бұрын
That's funny to see finnish text on brake parts cleaner can :D
@RegulareoldNorseBoy
4 жыл бұрын
Why ? It's Biltema. Many Norwegian Comodities coemes woth Dk,SE,No and Norwegian declerations and names
@jahasmitasmitas3338
4 жыл бұрын
@@RegulareoldNorseBoy It is just funny, so why not?
@tunturimies84
4 жыл бұрын
Niimpä :DD
@timokenful
Жыл бұрын
We need a new video, with the extra experiance you got❤️🙌
@sowbalansowbalan3270
5 жыл бұрын
2 stroke high speed tips
@EarthSurferUSA
6 жыл бұрын
I don't know how much of a factor "blow down" is for performance, (other than being too short and forcing combustion down the transfers). If you raise the exhaust port, you are increasing both the exhaust port duration and the blow down phase, and will usually see an increase in higher RPM power. I would bet in most cases if you raided the transfers to have the stock blow down, (the same as the exhaust port change), you will usually see a decrease in power. I don't think it is the loss of blow down that hurts the power, (again, unless it is so short that the transfers don't flow well and mixing happens), but that the transfers just have too much duration. My opinion.
@EarthSurferUSA
6 жыл бұрын
I can't watch anymore. I just can't. Just remember, anybody can post a vid. Sorry man. I know better.
@2STROKESTUFFING
6 жыл бұрын
+EarthSurferUSA I'm sure you do...
@wreckedrc5137
5 жыл бұрын
Have you tried single cut carbide burs? Haven't tried myself but grind alot and My guess is that would work. Very in-depth explanation good video
@2STROKESTUFFING
5 жыл бұрын
Thanks! I used single cut burs to rough shape the Spc crankcase, works great!
@RANKITRANKI
6 жыл бұрын
I love your channel , grettings from Spain ,
@2STROKESTUFFING
6 жыл бұрын
+RANKITRANKI Thanks!
@derknobit2616
7 жыл бұрын
I would love to see what you could do to a cheap 66cc bicycle engine
@2STROKESTUFFING
7 жыл бұрын
+derk nobit Would be fun! When finances allow!
@derknobit2616
7 жыл бұрын
i will see what I can do to make this happen
@2STROKESTUFFING
7 жыл бұрын
+derk nobit 😀😀😀
@derknobit2616
7 жыл бұрын
Would be early next month
@2STROKESTUFFING
7 жыл бұрын
+derk nobit Awesome! No pressure tho😀
@rotazracing4635
7 жыл бұрын
Hey great channel, I like your your content. When doing the radius on the port openings on the inside of the bore of the cylinder, I bend some chainsaw files to different angles and file from the inside of the cylinder to port opening. Takes longer but less chance of flaking the Nikasil.
@2STROKESTUFFING
7 жыл бұрын
+Rotaz Racing Thanks! That's a great tip and I've actually used the bent file method alot myself. It's safe, and sloooow..
@miltonulm5102
Жыл бұрын
I a cylinder of a used bike with one exhaust port(duel port) lower/higher then the other
@rumbleglass4437
3 жыл бұрын
My bike has been running good for a few days now besides that it runs hot if idle’ing but okay when running
@JonasSagli
7 жыл бұрын
What`s your thoughts regarding matchporting? Saw that you were talking about the angle of the transchannels and stuff there.. I allways match the transfer channels to the engine block (or visa versa) but usually avoids to do any more work up the ducts, exept grinding off "cast beard" and such..
@2STROKESTUFFING
7 жыл бұрын
+Jonas Sagli I do it the same way you do. If I need more crankcase volume I grind out the ducts tho.
@hafiz20115057
5 жыл бұрын
Thank you .your tips really help me much
@joebidden4914
2 жыл бұрын
What about just smoothing the ports out? Keeping original shape and size maybe slightly larger just want to clean up the extra metal? Also would you reccomend polishing the big port coming in and the chambers? Coming from where the cylinder meets the bottom half of the motor. Sorry I'm very new to two strokes. Thanks for your awesome videos!
@mansikkamies9146
Жыл бұрын
Only polish exhaust not intake
@patrycklealoliveira8106
6 ай бұрын
Friend, good morning! From Brazil. I have a big problem with a Chinese Thorq 62cc chainsaw. I tried to start it and when I pulled the starter cord it was very hard. I removed the spark plug and it turned the engine free when I pulled the string, but if I put my finger in the hole where the spark plug goes, the piston is completely locked as if it were vacuum or excess compression. Do you have any idea what it could be? I disassembled it and the connecting rod, crankshaft and bearing, piston rings are good. The piston had carbonization on the top but I cleaned it and also decarbonized the cylinder. I can't find the new cylinder and piston for it, as they are 48mm in diameter. I only found 43mm and 45mm for sale. When I assembled it, I still had the same problem, as if it were a hydraulic wedge, an excess of compression that doesn't allow the piston to descend or ascend freely. Can you give me any tips on what is causing the problem?
@SiboenChanel
6 жыл бұрын
thank you for sharing very useful ...... in indonesian mechanic
@perrypebriant506
6 жыл бұрын
Eh ada kang siboen.. 😁 salam dari subscriber mu hehehe
@k2rtechmanual690
6 жыл бұрын
wihh kang bun jebule bisa bahasa nginggris hahah joss kang
Hi! Very good information gaid! Why u cut the sleeves on the bottom? I just broke one of them by dropping it by mistake. Can i cut them like you and test it or i must make some changes to the carter too?
@erikeggenbakstad
6 жыл бұрын
Ikke så vanskelig å gjenkjenne en nordmann her (No offence ;) ) Thumbs up and subbed!
@travelladdict5138
4 жыл бұрын
Hello sir im Akash Im restoring my old two stroke bike I have few doubts ......... The mechanic told me its better to rebore the cylinder ........ ( The old piston is gone and it time to do second over size ) ...... Sir im doing my graduation and i dont have too much knowledge about the bike ...... Does boring and using a little tight piston make more power ? After reboring to next oversize Does polishing the piston and cylinder bore to a mirror finish make smooth run of bike and save it from geting seized .......... And Does polishing the piston and cylinder bore into a mirror finish make any perfomance I will wait for your reply
@mattywollaston3996
3 жыл бұрын
Bloody awesome!!!! Thanks heaps for sharing mate, you made a hell of a lot of sense, and made me understand porting way better than before. Cheers bro 🤙🤙🤙🙏🍺😎
@Boaters_hub
Жыл бұрын
Can this similar on outboards? Bigger 2 stroke engines?
@darrrenbetker4266
5 жыл бұрын
Why dont u use a sharpie to mark the port hight as a ring can move.
@2STROKESTUFFING
5 жыл бұрын
The ring is more accurate, or can be at least.
@trentbikes
10 ай бұрын
What was that tool you were using called in the thumbnail?
@BillyRillkratz
6 жыл бұрын
Always great ideas! Cheers
@rustykrys888
2 жыл бұрын
Omg u made me laugh at 5:10 with that comment 😂
@frankcrawford416
5 жыл бұрын
I have a 78 Yamaha Dt400 and have ported it. Along with other changes to the port timings I removed the sleeve separating the boost port from the intake as I redirected the boost to aim to the front (intake side) of the combustion chamber. I have heard somewhere that desert racers add a window in the intake side of the piston (above the original 2 windows) to aid in under crown cooling and add power. Can you tell me how it works and how far below the bottom ring land to cut the hole so that it does not cause any detriment?
@rumbleglass4437
3 жыл бұрын
Best video ever I hade to try it!PLEASE HELP EXPLAIN MY BIKE I bought a long stroke100cc cylinder n piston and put it in my 80cc short stroke bike I cut 3/16 off the top of Cylinder,bottom of piston,bottom transfer ports,bottom of intake ports,and top of exhaust all were cut 3/16..HOW SHOULD I OF CUT IT?
@connorssmallengines6663
2 жыл бұрын
Port timing will be way off due to massive difference in stroke, rod, and your cuts
@patrycklealoliveira8106
5 ай бұрын
Hello from Brazil my friend Can you try to help me, please? My chainsaw(chinese) has a problem with excessive compression. But when I remove the spark plug the piston rotates normally. Even placing your finger in thze spark plug opening causes the piston to become extremely compressed again. Yesterday I installed a completely new cylinder and piston, but the problem remains. I changed the spark plug, removed the carburetor and exhaust fan, and still the problem remains. Do you have any idea what it could be? Can I send you a video showing the problem? I have been seeking help with this mystery on various social media channels, Instagram, KZitem, but no one has been able to guess what could be causing the problem.
@FRANZOLLI144
2 жыл бұрын
Alguma dica básica para o cilindro da ktm 50 ano 2015???
@jimccc9467
3 жыл бұрын
What was the Iame cylinder for? We did a lot of go karting and raced both 80cc air cooled and water cooled 125cc. I’m curious about their involvement in scooter builds. Thank you
@paulhenry1011
4 жыл бұрын
Hi there a 53.94 boar can you buy eny piston.??
@11sjv
2 жыл бұрын
can i port a cylinder without the 90degree turn part
@kowski9477
Жыл бұрын
Could one just use a black marker instead of a piston ring ? In just curious, new to this porting stuff
@rumbleglass4437
3 жыл бұрын
Hi I need help! I bought a 100cc kit on eBay for my 80cc motor bicycle kit and it didn’t work because the 100cc 50mm kit from eBay is a long stroke and the piston hits the crank!So I cut 3/16th inch off the bottom of the 50mm piston so now it won’t hit the crank and so that the piston is now the same size as the lower end of 80cc piston,but the top end of 50mm piston is 3/16th inch shorter than original 80cc piston so I cut off the top of 100cc cylinder that was 1/8th inch thick to try to make up for the loose in compression because new piston is shorter on top..MY QUESTION IS after seeing you video on raising your cylinder you said to then lower all ports and raise exhaust port but my 50mm piston is 3/16th inch lower on the top end So do I still lower all my port’s and raise exhaust port? What else do I need to do to make this 100cc 50mm long stroke cylinder and piston work on a 80cc short stroke bicycle kit besides cutting off bottom of piston and cutting off top of cylinder?
@c__TattinhNhi
3 жыл бұрын
Is there only one communal hole, the rest is the intake hole?
@СибирскийСибиряк-с2э
4 жыл бұрын
Hi, man. Very good job! I have an Arctic cat Cougar 440 tell me if you know if you can waste cylinder liners? If it is possible to up to what size? 70 mm? For example?. Will the cylinder wall be too thin
@hosac99
Жыл бұрын
hey i purchased sleeve for my cr 250, and installed it and ports mismatch slightly on some edges bike runs great, should i match ports exhaust and transfers for increase in power?
@brakhayhurst9214
5 жыл бұрын
How do you come up with the port exit geometry / or where to aim the port what does what ?
@JalapenoBrothers
6 жыл бұрын
Good Tip,cool stuff
@2STROKESTUFFING
6 жыл бұрын
+JalapenoBrothers Thanks!
@charlesbyromhammiii2594
4 жыл бұрын
What motor is that jug off of? Or name if motor so I can look into purchasing one. I have the 80cc/66cc china 2 stroke kit. I want to and try the motor your working on to see which I like better.
@LMCtubokuChannel
5 жыл бұрын
Nice working....good job mike
@milindsathe4584
4 жыл бұрын
Bro in block there is nicasil so, which material is used for making nicasil .if we make nicasil slewe and put in rx100 Yamaha block then is it successful. Plz guide me
@yaseen.nyaseen4835
4 жыл бұрын
2stroke loud sound tips in slender plz
@2STROKESTUFFING
4 жыл бұрын
👍
@lilman1796
4 жыл бұрын
Great info ,thank you, keep up the great work ☆☆☆☆☆ .
@zainudinajaxajax
5 жыл бұрын
Can u explain to mee,im from malaysia and using TXR 150 panther suzuki,japanese bikes,it a fenominal here arounds early 90ty,untill now ive still using it,so can u show me how to modify,pirting bore those bloks cylinders,
@wendellfugate9069
6 жыл бұрын
*crispen-u. Sorry about the typos. My phone's screen has many black marks obscuring the letters and numerals, etc. Need a 1 iece intake to bolt my VM22 Mikuni directly to the Rest block. The 30mm intake and 28mm Oko in it now is blubbering and powerless.
@jakepethick6253
2 жыл бұрын
Is there a ratio how wide the exhaust port can be to piston bore
@mattmaly2901
3 жыл бұрын
Were u get the grinder thanks
@colta51
7 жыл бұрын
Good tips!
@2STROKESTUFFING
7 жыл бұрын
+Sean Fiba Thanks!
@terjee648
7 жыл бұрын
nice tips, personally I like and I often buy a cylinder with wild ports so I do not need porting. but everything can be modified. You're so determined on 50cc, what 50cc cylinder did you buy if you were buying new?
@2STROKESTUFFING
7 жыл бұрын
+Terje E Thanks! I stay with 50cc because a moped needs to be 50cc or less. Anything larger and it's technically a motorcycle. A strong candidate is my current iame m50, another is the 09-> ktm sx50 cylinder. Both need work out of the box. There might be better options that I don't know about yet. My next cylinder won't be bought tho, I'll make it myself.
@Lurppaaa
7 жыл бұрын
but if moped/scooter goes over 65 it will be labeled as motorcycle and you will lose lisence and plates and even get motorcycle tax or something like that
@2STROKESTUFFING
7 жыл бұрын
+Lauri "If you're not living on the edge you're taking up too much space!"
@Lurppaaa
7 жыл бұрын
2STROKE STUFFING i just said that because you told that other guy that you use 50cc because everything over that is technically motorcycle. at least in finland its basically the same does you moped go over 65 with 50cc or bigger tuning cylinders
@2STROKESTUFFING
7 жыл бұрын
+Lauri I know, I know. 😁 Same thing in Norway.
@davidjordan4240
3 жыл бұрын
After cleaning up the ports and not raising nor lowering the the in and out flow timing. Do you usually need to modify the carburation and is so, would you usually go leaner or richer. I am getting a bog when quickly hitting the throttle, but increases nicely is I slowly raise the slide. This is on Artic Cat Jag snowmobile. Twin cylinder and a single carb. Thanks.
@cistokrvnibosanac1266
2 жыл бұрын
if it bogs at start but not at end or mid its air mixture screw else it has to be main jet.With these port i would run it richer but would find idle gspot with adjustments (set it where it feels fastest rpm)
@devendramahajan6147
7 жыл бұрын
please provided guideline calculation you have been talking about in the video
@2STROKESTUFFING
7 жыл бұрын
+Devendra Mahajan For the exhaust duct exit area? It's simply ( total exhaust area x 0.75)
@larrybrasel626
5 жыл бұрын
Low compection
@xtremelefkas
4 жыл бұрын
hello, what about cylinders wih the reed valve/intake port on it ? should i port the intake, downwards (opposite of the exhaust port) ???
@pascalrieder9216
4 жыл бұрын
2:42 where exactly do I have to sand down the nicasil? Just the edge where I start porting or the entire area that I am going to cut away?
@verttisyrjala2897
4 жыл бұрын
You have to sand down the coating first, and then start cutting the area that doesnt have coating on anymore. However its easier to just use a diamond tip, thats what I did.
@pedromarreiros7256
4 жыл бұрын
Hey good video? Were i buy one dremmel 90°
@TheNoisePolluter
7 жыл бұрын
That IAME cylinder is off a pocket bike engine.
@2STROKESTUFFING
7 жыл бұрын
+TheNoisePolluter yep
@808pyroboom
6 жыл бұрын
sup man I have a few question but I was curious would it affect power range or any stress to a wc bore. thinking of having it over size 54mm to a 55mm would it increase the power of great value?
@garymorel1882
2 жыл бұрын
I’m three minutes in and I feel like I’ve learned nothing about benefits of porting when where how I will edit if I learned anything
@emilgaming8327
5 жыл бұрын
Awesome great thanks 👍
@2STROKESTUFFING
5 жыл бұрын
Thanks!
@iava1981
5 жыл бұрын
Hi!, Where i can buy that buring tool?,
@shoominati23
7 жыл бұрын
When are you releasing the ignition?
@2STROKESTUFFING
7 жыл бұрын
+shoominati23 The dyno shield?
@shoominati23
7 жыл бұрын
No , the Arduino one. It is yours yes?
@2STROKESTUFFING
7 жыл бұрын
+shoominati23 Nope, only current electronics project is the "Ardyno"...
@gonzore.5256
4 жыл бұрын
Ho much cc? The hole Looks Big.
@weikkakauppinen4306
3 жыл бұрын
What do i do if i have 2 piston rings
@mansikkamies9146
Жыл бұрын
Ei haittaa kuha ei oo mikää ultrakisakone
@BrokenPortriats
5 жыл бұрын
Porting a Chrome bore. Some say it is impossible.
@2STROKESTUFFING
5 жыл бұрын
It's risky, but doable.
@aaaabababa
5 жыл бұрын
Have done it a lot, far easier than porting Nikasil Cylinders, the Chrome doesn't chip as easy as the Nikasil.
@darrellsomers5427
3 жыл бұрын
Why did the European 2 strokes have so much more compression then the Japanese 2 stroke ?
@Unknown-kd3ri
2 жыл бұрын
0:01 what cylinder is that?
@gamingdelux0078
6 жыл бұрын
Hei du! Kjøpte en Furia max 2008 (am6) med 70cc Airsal Asso , men den har null bånndrag... er dette riktig for denne sylinderen? kutter også helt brått når jeg gir 100% gass, ikke 90%... Cool channel, keep it up ;)
@2STROKESTUFFING
6 жыл бұрын
Takker! Null bånndrag er typisk totakt... Har du prøvd med choken på? Hvis det hjelper kan du dyse opp litt.
@gamingdelux0078
6 жыл бұрын
Det er sant, men er såå lite... har kjørt motorcross i flere år, og dem har aldri vært så rævva på bånn... men asso er vel mellom til topp drags sylinder.. Takk! det skal jeg sjekke :)
@gamingdelux0078
6 жыл бұрын
Takker så mye, skal prøve det... vet dem er svake på bunn, men etter flere år med motorcross (2 takt) er jeg vel blitt litt bortskjemt på effekt...
@matejhujo5198
6 жыл бұрын
Hallow Mr. Do you know the Pochi KZitem channel and His RS 125 Aprilia ? I would like to know Yours opinion on him not making real Power ???
@2STROKESTUFFING
6 жыл бұрын
+Matej Hujo I'll have to check it out. Something wrong with his bike?
@matejhujo5198
6 жыл бұрын
2STROKE STUFFING please check out and let me know Your opinion. It is Rotax 122 with the charmo 144 cc barrell. With all the aftermarket godies. Big bore HRC Power jet carb hybrid ceramic bearing On the cranc and the dino does not show more than 30hp on the rear wheel. Here In europe we make 40hp with the 28 dellorto
@raduandreidavidescu1833
5 жыл бұрын
good info
@jimccc9467
3 жыл бұрын
What are your thoughts on port finish surface intake vs exhaust? Exhaust smooth and intake rough to increase intake turbulence? Also any experience with fuel injected two stroke porting and how it differs on something like an Aprillia SR50 ditech.
@goodfellasinc.5648
6 жыл бұрын
Good video's
@2STROKESTUFFING
6 жыл бұрын
Thanks!
@travelladdict5138
5 жыл бұрын
Bro does polishing piston and cylinder give any perfomance in twostroke
@mikeford5106
2 жыл бұрын
No it doesnt ! ..... re shaping the ports [and the head] is the way to power make sure you know what you are doing or scrap cylinders are the result !!!
@gregorydoerner3039
5 жыл бұрын
Just a quick question .Ian porting a 2stoke 45cc 1/5 scale dune buggy engine is it possible that if you remove to much material from transfer ports (therefore increasing volume) could this decrease compresion
@lobmin
5 жыл бұрын
Maybe higher crankcase volume, and that would slightly decrease crankcase compression, but I think that is ok, since crankcase compression isn't as critical as cylinder compression.
@lobmin
5 жыл бұрын
Just try to get them nice and proportional to the ports...if you make the transfer ports too oversized, you lose gas velocity.
@cistokrvnibosanac1266
2 жыл бұрын
@@lobmin ive had puch e50 with 15-16 bars of compression with ports.Never doing that mistake again cuz it bent my crankshaft like letter c
@zainudinajaxajax
5 жыл бұрын
Porting the cylinder i mean,fact is,i know how,but just want to see ur type of modify it,ur way,
@joeyl.9602
6 жыл бұрын
Hello i have à small question.What do you advice to do with the ports @ 4:52?I didn't understand what you mean. Hope te hear because i am doing a project for The summer. Greetings,Joey. À big 2 stroke fan from The Netherlands
@2STROKESTUFFING
6 жыл бұрын
It's a good idea to raise the whole barrel with a spacer first to get the transfers where you want them. Then you want have to cut into the transfer roofs and risk screwing up the angles.
@Jonar7300
4 жыл бұрын
Norway?
@daltenmorris5072
3 жыл бұрын
No one can seem to tell me this I want to know how much I can go in porting like how much of the port to cut out I already did 1mm can I got more
@professionalmoneyburner2581
2 жыл бұрын
What did u do and how did it turn out?
@just_j0e
4 жыл бұрын
Do you live in finnland i saw a biltema/motonet brakecleaner bottle super famous in finland
@josef2102
4 жыл бұрын
He's Norwegian
@YouCantSawSawdust
Жыл бұрын
NO ONE coats cylinders with NIKASIL except for MAHLE. They have exclusive rights to true NIKASIL. Every one else uses the general concept of MAHLE'S PATENTED NIKASIL.
@theinventionshow
6 жыл бұрын
How you carculate the disire depth of porting
@travelladdict5138
3 жыл бұрын
Hello im ali im from india i a old two stroke bike i am doing a 5th oversize piston the company only provide 4 oversize now i plan for thr next size its 1.25 sir my friend told me to do cylinder head phase Cylinder port match carb upjet Will you please explain what is port matching
@buckdwildass
3 жыл бұрын
It's been bugging me for years now. What rotary tool attachment are you using in this video? I can not seem to find one that is even remotely similar
@johnnyreb86
5 жыл бұрын
I port matched my intake manifold and exhaust flange on my CR250 there was quite a mismatch and I cleaned up rough castings but I left the transfer ports alone. Should I expect any improvements or will it just make me feel better?
Пікірлер: 326