Honda Grom Top End Build | Honda Grom Big Bore Kit Installation | Partzilla.com

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Partzilla

Partzilla

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@john-martin
@john-martin 5 жыл бұрын
Ive had my Koso 170cc 4V for 6 months and put over 1000 miles on it so far. Engine dyno’d at 26whp at 11,400 rpms with the Power Vision 3 Standalone ECU. Runs absolutely perfect, does over 90mph w/gps.
@phat56pat
@phat56pat 4 жыл бұрын
power vision is a piggy back....
@john-martin
@john-martin 4 жыл бұрын
phat56pat Piggybacks are external devices that tie into the engine computers wiring, and essentially trick it into making more power. The Power Vision does not do this my son.
@phat56pat
@phat56pat 4 жыл бұрын
john martin power vision flashes stock Ecu is not a stand alone like a ARACER. The factory grom ecu is still on the bike with the power vision, there for not standalone and is a piggy back reflash. Not as reliable as a ARacer but more reliable then a power commander 5
@phat56pat
@phat56pat 4 жыл бұрын
john martin directly from the website “A Dynojet PV3 enables fuel tuning straight from your bike's diagnostic connector. You don't need to tear down your bike to access throttle body connections or tap into switched lines, or deal with sending off your ECU. The PV3 simply plugs in allowing you to view system metrics and flash your ECU “
@john-martin
@john-martin 4 жыл бұрын
phat56pat You can make all the same changes like ARacer, the changes are permanent to the ecu unless you make more changes. It is not a piggyback system like the power commander 5.
@SVTBansheeman
@SVTBansheeman 4 жыл бұрын
Well done. I could watch him do this all day.
@minibikeaction4266
@minibikeaction4266 4 жыл бұрын
Its nice to see someone doing a first class job.
@cyberhawk80
@cyberhawk80 4 жыл бұрын
well i wont question his knowledge.. but when i was tinkering in the old days on my honda MT.. i fitted the piston first in the cilinder..(halfway) and then mount it.. wayyy easier.
@vhjvbhjb5280
@vhjvbhjb5280 4 жыл бұрын
Yes the work is great but facts are a bit Made up. Honing marks are there so there is always an oil film between the rings and cylinder wall, so That the rings physically never touch the Wall. And just using a Thin layer of oil when instaling so That the rings ”cut in” doesnt make any sense. After the first rotation of the engine, the Walls should already be Coated by the engine oil. And he should be spinning it several times when installing a new head because you want the oil to circulate up to the valvetrain. The rings dont really cut in, they seat. It kind of sounds like hes saying “That is the whole break in process”, probably not. But the break in process is going to last for several hours of the engine running. People tend to ignore This, and This Will cause the engines life to be severely shortened
@terrydavis6519
@terrydavis6519 4 жыл бұрын
I know man this guy does it right.
@Giskrenov
@Giskrenov 4 жыл бұрын
hahaha literally this guy LOVES motorcycles and I support him lmao
@vhjvbhjb5280
@vhjvbhjb5280 3 жыл бұрын
@@josiahgarrison647 Gl in life man, its better to learn to accept That you are wrong, than constantly make up excuses or lie to shift the blame. Take some responsibility, in real life. Its better to be wrong and take responsibility rather than being wrong and coming up with excuses.
@BlueSharkRides
@BlueSharkRides 4 жыл бұрын
Top of the line videos. No bullshit, no cuts with music. John is the man!
@congerscott6064
@congerscott6064 3 жыл бұрын
This is why i would pay a professional like this guy to put a big bore kit on my grom, there are just too many things that can go wrong otherwise resulting in catastrophic failure lol, great video 👍.
@Partnerthedog
@Partnerthedog 2 жыл бұрын
This is the same process for all engines, try it on a 212 predator minibike engine first, that's how i learned to do ring gap and orient them and I honed the cylinder myself too with a hone and drill but you can just pay for that to be done. But this is all straightforward, I did every last thing he did to put mine together and those engines are only like 100$ used or less it's worth the education.. because now I see this grom video and it looks easy, I know I can do it. You should own feeler gauges anyways for valve lash, which you can also learn on the 212
@congerscott6064
@congerscott6064 2 жыл бұрын
@@Partnerthedog great advice, I'm going to go for it, you can't l learn how to do it unless you get in there and do it , thanks 👍🏆.
@Partnerthedog
@Partnerthedog 2 жыл бұрын
@@congerscott6064 yeah! Those 212 minibikes are actually really fun with the governor removed and some performance parts added they are a blast to ride even after owning 2 stroke dirtbikes I loved mine. I put a billett flywheel, billett rod, high comp piston and no cam it was fast!! I bought the pieces on Craigslist for cheaper than msrp though
@wileecoyote5749
@wileecoyote5749 Жыл бұрын
Yup
@Alvon_PR
@Alvon_PR 4 жыл бұрын
beginner : use big bore kits pro : bring the bike to tuner, request 150cc up to 250cc with 68mm piston and 70mm stroke crankshaft, in southeast asia, we do some extreme modification like customing block,head, crankshaft, gear ratio, and clutch house. sorry for bad english
@ToyotatechDK
@ToyotatechDK 4 жыл бұрын
This is one of heck of a professional channel
@ramishrambarran3998
@ramishrambarran3998 3 жыл бұрын
Sir ! You are a craftsman par excellence ! Lots of regards. Trinidad & Tobago.
@jamessonger3
@jamessonger3 5 жыл бұрын
best mechanic videos on the tube! keep up the good work guys!
@Highandfly.
@Highandfly. 2 жыл бұрын
Here we are, almost 6k miles and she went boom boom in 95F
@ericfrymire5682
@ericfrymire5682 2 жыл бұрын
I would love to see what you guys can do to a TW200. It's also a fun little bike that could use a little more power. Especially on the trails
@Marco-cl9pb
@Marco-cl9pb 4 жыл бұрын
I don't even have a grom but this video it's pretty entertaining by itself, that bike sure must have some more life after that mod
@Titanykus
@Titanykus 3 жыл бұрын
You're like a surgeon, it is admirable and satisfying to see someone work so clean, calm, organized and and with so much detail, my way of working engines. You can use your voice and make an audio version of this video, to rest and sleep on it. Forget about sleeping sounds or sutting voices, you are it brother. I was planning on getting the new Honda Trail CT125, but I would upgrade that engine to 142cc, now that should be your next video, a 125cc upgraded to 142cc or so. Let me ask you how big of effect does this upgrade have on gas consumption? You stay safe brother God bless you.
@muhammadshoaibbaig5875
@muhammadshoaibbaig5875 5 жыл бұрын
I love these videos just don't stop making these.
@aruhadyantiko3819
@aruhadyantiko3819 4 жыл бұрын
Please do the oil cooler install.. That will make that engine run longer without overheat due to the higher bore and compression. But anyway, just want to see how you install it.😊
@ALurkingCamper
@ALurkingCamper 4 жыл бұрын
Excellent video. Good sound, lighting and the content relevant it top notch.
@PartzillaParts
@PartzillaParts 4 жыл бұрын
Much appreciated!
@emilesp01
@emilesp01 5 жыл бұрын
Hell yeah, John is upgrading the bike!
@TinyPaperClip
@TinyPaperClip 2 жыл бұрын
wow what a detailled explanation, awesome
@thekidd2189
@thekidd2189 5 жыл бұрын
YESSS HE'S BACK
@meowkea2954
@meowkea2954 5 жыл бұрын
Best build vid I've seen yet!
@jay7264
@jay7264 4 жыл бұрын
Man this guy is a great mechanic. Nice work man
@SnuffyB123
@SnuffyB123 4 жыл бұрын
Hi and thanks fun to watch you work and too see all the cool stuff available for the build
@dwightbernheimer331
@dwightbernheimer331 4 жыл бұрын
Would Really like to see 250 cc's full-blown race engine with all the goodies... great video thanks for posting
@TheImtoomuch
@TheImtoomuch 5 жыл бұрын
Such a great and informative video. Nice job!
@solarflare1008
@solarflare1008 4 жыл бұрын
I see with one of this models with a 300cc engine it was insane.
@chong-kenglimdr8922
@chong-kenglimdr8922 4 жыл бұрын
Surgical precision. Excellent.
@notageekotay
@notageekotay 4 жыл бұрын
Nice video. I would like to see the Honda Monkey done! I just bought one and will be looking for a way to trick it out!!!
@notageekotay
@notageekotay 4 жыл бұрын
@@grantsmittkamp1757 I didn't even look for the Grom.
@LincolnSixAlpha
@LincolnSixAlpha 4 жыл бұрын
It looks like a brand new Grom! I like the black painted engine, It's a shame the big-bore kit also does not come painted black. Enjoyed the engine rebuild!
@r.d.1991
@r.d.1991 5 жыл бұрын
John is Back! 👍
@PartzillaParts
@PartzillaParts 5 жыл бұрын
John never left!
@aeror115
@aeror115 5 жыл бұрын
Would like to see a long term review! I’m really interested in a big bore kit for my grom🤘😁 Enjoy the bike life and have a great weekend
@john-martin
@john-martin 5 жыл бұрын
AeroR Ive got 6 months on mine, dyno’d @26whp. Runs perfectly, does 90+ mph w/gps.
@Robertas_Grigas
@Robertas_Grigas 4 жыл бұрын
Just get a zongshen 190cc engine. Its 5 speed and it makes 20hp with a carburetor.
@john-martin
@john-martin 4 жыл бұрын
robertas grigas Did it dyno at 20whp or just claimed whp?
@datingsas
@datingsas 4 жыл бұрын
@@john-martin 26 mph with just the 170cc kit
@urf808
@urf808 4 жыл бұрын
aeroR ... if you install bbk, change to the light weight crank, Kitaco 5 speed, 4 valve head, bigger throttle body and flange and intake. Also install an oil cooler and catch can. Then you must change to a aracer 5 mini with2 stage and auto-tuner with O2 bung with piggy back for atf, also change to brembo 4 piston or 2 piston your choice. Since you going alot faster you Midas we'll have better brake system.. And change all the given parts colder plug, better wires, gear and sprockets, better brake lines, and find a good tuner who can Dyno tune you for 300 bucks. That's what I would do. Hence I'm just changing to a hi comp kitaco piston and kitaco cam with a dhm reflash ECU. Also cheaper for now.
@sk3tchimdg3t33
@sk3tchimdg3t33 2 жыл бұрын
This is like watching the bob ross of mechanical
@Hunter-hd8hi
@Hunter-hd8hi Жыл бұрын
Would love to see this on a Honda trail 125!
@nicolasrodrigue529
@nicolasrodrigue529 3 ай бұрын
Great video, i've always wondered what a rocket surgeon does on his free time. 😅
@mooseantlers71
@mooseantlers71 4 жыл бұрын
you have some solid knuckle hair my dude!
@eugeniodesantiago6640
@eugeniodesantiago6640 Жыл бұрын
Honda trail 125. Probably will be a hit video for ur channel.
@asianboyz-lm5kg
@asianboyz-lm5kg 4 жыл бұрын
clean and ideal work place, great bike!
@luisgarza7535
@luisgarza7535 3 жыл бұрын
Nice built never really watch a full video but this one got me hooked lol love groms even tho I don’t got one lmao
@ATomRileyA
@ATomRileyA 2 жыл бұрын
Doing a great job of explaining how its done, have been doing some research on what it entails to do this and this has to be was of the best videos explaining it all.
@hhanitio
@hhanitio 4 жыл бұрын
So clean n detail.. goodjob👍👍
@iTube1991
@iTube1991 3 жыл бұрын
Can you please do a write up on how to change the fuel cap, ignition and under-seat lock? Thank you!
@xtremeoffroadllc
@xtremeoffroadllc 5 жыл бұрын
Finally, John!
@patient0x
@patient0x 5 жыл бұрын
Registered already through g bear KZbin channel. Thanks for the video!
@PartzillaParts
@PartzillaParts 5 жыл бұрын
Great! G Bear is awesome! Thanks for checking it out!
@teeroux
@teeroux 4 жыл бұрын
I never saw a grom engine until this video. All I have to say is Honda recycles engine designs left and right. This engine looks like my 30+ year old atc 110 engine.
@jesusspartan8951
@jesusspartan8951 4 жыл бұрын
If it ain't broke dont fix it
@bebekadventure
@bebekadventure 5 жыл бұрын
after watching this , i wish someone has a ready bigbore engine for sale not just a kit.
@mickeysitter747
@mickeysitter747 4 жыл бұрын
Steady garage. Com
@DaveCarlson01
@DaveCarlson01 4 жыл бұрын
Does it work? I would like to have seen the engine started and end result reviewed. how does it run?
@daisyc7695
@daisyc7695 5 жыл бұрын
Great job on the video👍👍👍
@dreadog6425
@dreadog6425 4 жыл бұрын
Nice job....This is why i love a 2 stroke :)
@snaxgalore5764
@snaxgalore5764 4 жыл бұрын
Dreadog it’s 4
@InvidiousIgnoramus
@InvidiousIgnoramus 4 жыл бұрын
I can't believe you just let the rod slam into the bottom end like that when you pulled the cylinder off.
@paulhartman7144
@paulhartman7144 4 жыл бұрын
Bore size is 60.98 Where does the 25.4 come from . The rest is understood , Great video though Thanks for the info
@maestri240z
@maestri240z 4 жыл бұрын
Can you show a walkaround, sound and dyno for this?
@ronniecurnutt4309
@ronniecurnutt4309 4 жыл бұрын
Excellent tutorial sir, very informative
@PartzillaParts
@PartzillaParts 4 жыл бұрын
Thank you, sir!
@LSmiata
@LSmiata 4 жыл бұрын
Hello Partzilla, It is so nice that Honda gave us the Grom, but we, in the N. America are missing the best motorcycle cross-overs! Why can we not get a Suzuki Raider? An Honda Nova Dash? They are now fuel injected and should pass emissions with a catalizer. Grrrr. I miss my air/oil cooled Raider 150! Now they are liquid cooled.....I want in N. America Mr. P
@PartzillaParts
@PartzillaParts 4 жыл бұрын
Everywhere else gets the cool small bikes. N. America focuses on beasts.
@rafaelsuarezsantana9109
@rafaelsuarezsantana9109 4 жыл бұрын
es usted un profecional de calidad yo es que tengo una moto honda msx 125 y ver esos kit de mejoras es un placer verlo me gustaria que precios tienen les escrivo des las palmas de gran canaria saludos
@coyote102076
@coyote102076 3 жыл бұрын
Honda grom + this engine kit= more money involved than buying a brand new CBR300R w. ABS, but not as much fun! hahahaha!
@MuscleTeamOfficial
@MuscleTeamOfficial 4 ай бұрын
This guy is such a G
@ordinaryMan23
@ordinaryMan23 3 жыл бұрын
im lost.. but i watch it any way🤣🤣
@eduardorufin6103
@eduardorufin6103 3 жыл бұрын
Love to watch the vid.nice work.lots of info..wish to have Honda G..more power Sir...
@jasongomezmma
@jasongomezmma Жыл бұрын
If I am just replacing the head for another oem one would I follow the same steps? Just replace one with the other and adjust the valves
@AmranSidek
@AmranSidek 4 жыл бұрын
what a photographic memory ..all those parts..
@MrSapper21
@MrSapper21 3 жыл бұрын
Making it look easy. Great video.
@shahnawazahmad7410
@shahnawazahmad7410 3 жыл бұрын
Sir agar piston agar block me pehle hi push krdiye block engine me lagne se pehle to jyada aasani hoti h
@BrendaEM
@BrendaEM 5 жыл бұрын
Good video. Good skills. The Grom engines are hard to video because the inside is black. Usually it's all about getting contrast, but in this giving some up for midtones is good. Perhaps Honda wants the oil to drain faster, like Glyptol; perhaps they are lazy. Sometimes, on quite small engines, it may be easier to put the cylinder in the bore---and then slide the cylinder it down the studs and connect the wrist pin, though it's a preference thing.
@umakako
@umakako 4 жыл бұрын
fantastic video! thank you sir!
@idoitmyself4208
@idoitmyself4208 4 жыл бұрын
Hi...I'm a huge fan of partzilla... Hope soon you make a video of Honda cb150r Street fire front fork modification from telescopic fork to upsidedown fork....
@cikyablyat1913
@cikyablyat1913 2 жыл бұрын
My mechanic ones told me he's not a fan of painted crank case,borekit and head cuz if not painted, it is easier to spot a leak
@adrianleeds3468
@adrianleeds3468 3 жыл бұрын
Wonderful. Very therapeutic 😀
@christiansanchez1486
@christiansanchez1486 3 жыл бұрын
28:39 let it get to your head pops it’s your birth right as gear head 🤟🏻
@marioestrada2657
@marioestrada2657 6 ай бұрын
Yo quisiera hacer todo eso a mi moto pero acá en Guatemala saber si lo hacen y lo hacen saber a qué precio … se ve que el señor es muy un profesional
@danbyrom6904
@danbyrom6904 4 жыл бұрын
Terrific illustration.
@jamesarneson7769
@jamesarneson7769 4 жыл бұрын
What is the largest CC you can add to a stock 2020 Honda Grom ?
@nescwwe7589
@nescwwe7589 3 жыл бұрын
Oh GOD tihis engine perfectly same with new Honda Supra 125fi we know form piston (parts) code (KYZ), gasket & EOT censor place, & form tensioner type its perfectly same with honda Future 125fi / Supra X 125fi .. Can i order this bore & head kit...? But my problem is, i life in Indonesia, if im order this part the shipping cost isn't cheap (over price). Actually i want order this boreup kit & head cylinder kit... Because in Indonesia & asia boreup kit for this KYZ engine is rare.. But comeback to the problem, shipping cost to expensive.. 😞🙁☹️
@putraangkasa2265
@putraangkasa2265 3 жыл бұрын
hi boro / sist.. if you life in Indonesia and you see the price form this part trust me, you will change your mnid, because if you convert to IDR price form this part tarsrom to 14JT IDR... really you want to buy this part..? you can buy a new sport motorcycle with 14JT IDR.
@muzzysworldnt5955
@muzzysworldnt5955 3 жыл бұрын
Awesome video. Im using a aracer mini 5 with af1 what would be the fuel base?
@mikefurlong8025
@mikefurlong8025 4 жыл бұрын
Lots of great info, but it totally sounded like the piston clipped the sparkplug when you tried to roll it over at the end!
@pablocespedes9585
@pablocespedes9585 4 жыл бұрын
Very good assembly "tips", thanks!
@davidshields948
@davidshields948 3 жыл бұрын
I'd like to see a proper job done on a Honda CB 400 four, a seventies retro racer...cool. Great video, cheers.
@dudurosca273
@dudurosca273 3 жыл бұрын
I am from Romania and i have a FIRST BIKE ENERGIC made in Romania. Have a Honda cub 72cc. I do not have money now because here my salary it is 250 euros but when i will have money i will try to improve my engine.
@stevewall6811
@stevewall6811 4 жыл бұрын
I kept the 2v head with my koso 170cc kit. Also I gapped the rings as well but they were all in specification. Weird.
@severinoarraro5821
@severinoarraro5821 4 жыл бұрын
where can i find the part 2 for test run 😊
@rickrack78
@rickrack78 4 жыл бұрын
On the ring gapping, why would you not hand file 0.003” off the top ring?
@CycleRooAU
@CycleRooAU 2 жыл бұрын
Probably to get an accurate overall shape he only uses the hand file to get the burs off.
@danlylouis3857
@danlylouis3857 4 жыл бұрын
I suggest try 65mm bore on the grom.. But,, I wish yamaha R3 the next video.. Use bigger bore.. 🙏
@DW-rn5yb
@DW-rn5yb 3 жыл бұрын
Would love to see a Honda Super Cub 125 beefed up.
@BaggerBro
@BaggerBro 4 жыл бұрын
2018 Road Glide Special with a 128c.i. kit !
@jeremyjohnson2622
@jeremyjohnson2622 4 жыл бұрын
I have this bore kit. I can't get the pin into the Piston. How were you able too? I did everything you did.
@jasonbourne6531
@jasonbourne6531 4 жыл бұрын
Can you do honda CBR 150 2019 upgrade bore x head to make higher power?
@jimmy1life
@jimmy1life 2 жыл бұрын
Is there a top end or big bore install for the z125 seems to be real popular lately
@yuri.cherkasov
@yuri.cherkasov 6 ай бұрын
hello! can you please tell what instrument do i need to rotate a crankshaft?
@auomauom
@auomauom 4 жыл бұрын
easy to do when you have the right tools.
@mowngolawncare7665
@mowngolawncare7665 5 жыл бұрын
Hopefully I can win I always wanted a grom and could really use a good reliable means of transportation again.
@dannambocountrywildwest9315
@dannambocountrywildwest9315 4 жыл бұрын
Wow, oldman .this call master!
@theq4602
@theq4602 2 жыл бұрын
With the 2022 model grom honda adjusted the stock bore and stroke to be more oversquare. 2021: 52.4mm x 57.9mm 2022: 50.0 mm x 63.1 mm Due to the longer stroke, when combined with this kit it will be a bit larger. Will a new big bore kit be released for the new grom or will this kit be compatible with simply different tuning? Some other big bore kits are as large as a 64mm piston and on the 2022 grom this would be a substantial 202cc versus 186cc as the big bore kit advertises.
@motorcyclethaitop
@motorcyclethaitop 4 жыл бұрын
Very precise jobs here.
@manuellopezbenitez1804
@manuellopezbenitez1804 Жыл бұрын
Buenas día se podría poner un indicador de marchas en la honda msx 😢😢
@1089chrisable
@1089chrisable 2 жыл бұрын
I had a Honda shop do the same kit. Had to go to Yamaha dealer to dino it. They said there is a fuel problem. Only getting 3/4 throttle then sputters out at about 75. What could be the problem?
@hectorreyes8561
@hectorreyes8561 2 жыл бұрын
I have a 2022 from does that go on just fine no having to build new pieces for it
@zenolachance1181
@zenolachance1181 4 жыл бұрын
Will this kit fit on the new ct125 Trail that's coming out in 2021.? I am 225 lb and I think the extra horsepower would be a big bonus for a on off road trail bike
@ridersmotovlog2708
@ridersmotovlog2708 4 жыл бұрын
Thanks for this video, big help for me😊😊😊
@limauais1670
@limauais1670 2 жыл бұрын
Maybe I can do this upgrade on my Honda wave 125i because their used the same engine
@mate7255
@mate7255 4 жыл бұрын
Shouldnt the ring gap spacing be 120° from another rather then 45°
@joujimiichi1
@joujimiichi1 2 жыл бұрын
Will you do this again on the 3rd Gen, 2022 Honda Grom?! I would gladly load mine in Los Angeles 😉
@salvatoresinzieri3368
@salvatoresinzieri3368 2 жыл бұрын
Awesome work!
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