You don't have to change the timing chain or the cam. I haven't seen any info on checking if timing chain is worn. If you have a hard time lining up timing marks, that would indicate a stretched chain.
Chris, I don't know much about the engine you mentioned. A quick google search on "c70 e engine big bore" shows that it would work. Head over to planetminis, they may be able to point you in the right direction.
Whare did u get the front and rear forks i have a new remake of this bike and its way to low to the ground everyone geps laying it down becus of it so i need a set of wat u got on this
Question I have a ct70.. 74.. I purchase a 88cc from dratv .. Bike turns on... After couple kicks . but after running starts smoking top end and will turn off and top end get hot more then normal oil temp is a 157f after it turns off? Also looks backfire stalls.. Bike doest smoke from exhaust! Have and idea what I did wrong.. Oh has a 19mm new carb.. An 91 octane.. Thanks...
Jaime, where is the smoke coming from? Oil temp of 157 is nothing to worry about. Sounds like you have to tune or rejet carb. Please explain in more detail on the stall.
HI Matt, thanks for the very informative vid, my son is very excite about getting more power into his bike! couple of questions.. Should you replace the timing chain, or how do you know if it is worn out? do you need to upgrade the cam from stock when fitting a 88 kit? thanks again.Bernie
Hi mat I am relativley new in the motorcycle sene, please can you tell me if this kit fits on the Honda C70- E engine? Thanks and great work with the vids interesting and realy a good guide for engine building
I purchase the bike running working.... I wanted to rebuilt the motor . I purchase a 88cc from dratv . I did the rebuilt my self new gasket HV oil pump 2mm drill out casing stock head!! Bike turn on after couple kicks... Longer then when the motor was stock...? But it turns on!!! After like 15-20min it start to smoke top end not exhaust, like the bore and head get head more then normal I would say.. An it stall when I accelerate all the way like if it running out of gas? May the points are not set ? Timing is set tdc and the O on the MARK! Hmmmmm.. Any info will help thanks!
hey man what crf 50 kit did you use any links where to get them from i have a crf50 2006 model , it has low compression and dosent start , i wont to put in a 88 cc kit like this any suggestion where to buy from
I just put the tb 88 kit on a 02 xr50r I am running into a problem to where the bike pulls hard in gear without touching the throttle. I played with jetting on a 20 mm carb still have the same issues I've read on threads but without any luck I cannot seem to figure out my problem any info will be appreciated
MatthewMCRepair not at all there is about a quarter inch play in the throttle cable and it seats correctly. If I turn down the idle The bike will die before not pulling in first second or third gear.
MatthewMCRepair i've read that running lean can cause high idle but my spark plug is black. I've stuck bigger main and pilot jets in the carb with no luck
Matt if you still have the 50cc case in this video whats the engine code on the bottom near the shifter? i'm trying to see if i have a clone engine in my sons china atv.
do i have to take the oil out of the engine cuz ive just got some new oil in it, or can i just pour the almost new oil back in the engine after ive taken it out and instaled the 88cc?
Great video. Clear, good descriptions and no daft music! Really useful Matt.
Great work and thanks for taking the time to illustrate this swap!
thanks for these videos, installed my kit in a couple hours with no issues, great job!!
Awesome, glad it helped :)
You don't have to change the timing chain or the cam. I haven't seen any info on checking if timing chain is worn. If you have a hard time lining up timing marks, that would indicate a stretched chain.
hey man great video. Im thinking about adding a big bore kit to it. Is a 88cc the biggest i can go? And what kind do you suggest? Thanks, Nolan
Chris, I don't know much about the engine you mentioned. A quick google search on "c70 e engine big bore" shows that it would work. Head over to planetminis, they may be able to point you in the right direction.
Thank you Matt! Excellent easy to follow instruction that will make my rebuild way easier!
Awesome Matt. What kind of oil do you use for these CRF. Thanks
I use Honda GN4 10w30 or 10w40
Whare did u get the front and rear forks i have a new remake of this bike and its way to low to the ground everyone geps laying it down becus of it so i need a set of wat u got on this
Question I have a ct70.. 74.. I purchase a 88cc from dratv .. Bike turns on... After couple kicks . but after running starts smoking top end and will turn off and top end get hot more then normal oil temp is a 157f after it turns off? Also looks backfire stalls.. Bike doest smoke from exhaust! Have and idea what I did wrong.. Oh has a 19mm new carb.. An 91 octane.. Thanks...
Jaime, where is the smoke coming from? Oil temp of 157 is nothing to worry about. Sounds like you have to tune or rejet carb. Please explain in more detail on the stall.
HI Matt, thanks for the very informative vid, my son is very excite about getting more power into his bike! couple of questions.. Should you replace the timing chain, or how do you know if it is worn out? do you need to upgrade the cam from stock when fitting a 88 kit? thanks again.Bernie
Hi mat I am relativley new in the motorcycle sene, please can you tell me if this kit fits on the Honda C70- E engine? Thanks and great work with the vids interesting and realy a good guide for engine building
Matt - Awesome videos. Thank you for taking the time and posting these.
Where did you get your uni sticker did it come with the air filter
i cant stop imagining that it's michael douglas teaching me dirtbike mechanics
I purchase the bike running working.... I wanted to rebuilt the motor . I purchase a 88cc from dratv . I did the rebuilt my self new gasket HV oil pump 2mm drill out casing stock head!! Bike turn on after couple kicks... Longer then when the motor was stock...? But it turns on!!! After like 15-20min it start to smoke top end not exhaust, like the bore and head get head more then normal I would say.. An it stall when I accelerate all the way like if it running out of gas? May the points are not set ? Timing is set tdc and the O on the MARK! Hmmmmm.. Any info will help thanks!
Is there an F mark? That is what is should be timed to. This will advance the timing some. Did you jet the carb?
Can i pit a 52mm cilinder without anu modification? I already have a 47mm (72cc engine)
Hey I wasn't sure if the motor was a 70 cc or a 50cc that the 88cc kit went on?
hey man what crf 50 kit did you use any links where to get them from i have a crf50 2006 model , it has low compression and dosent start , i wont to put in a 88 cc kit like this any suggestion where to buy from
amzn.to/2M2xL09
Yes.
O have a crf 50 too . So myquestion is how did you get your seat so high . I know it has something to do with the swingar. But pls explain it for me
Devon, the owner of this bike is stopping by tomorrow. Let me ask him.
thanks i really appreciate it
Trevor, I have no idea. The bike has been sold, so I wouldn't be able to find out.
No problem, John!
You should of Powder coated the whole bike and polished the shit out of it while it was apart. Great Job !!!!
Do you know if the kit would fit my crf70? And do you have any kits to suggest?
phillebo123 Give these guys a call:
tboltusa.com/
They will set you up.
Was that a bigger shock or a different swing arm because the bike looks higher and what exhaust is that ?
I can ask the owner since I'm not sure. I hope he remembers, he sold it a while ago.
+MatthewMCRepair did you get around to asking?
+Ashton Philpott No, I don't see him very often, sorry.
I just put the tb 88 kit on a 02 xr50r I am running into a problem to where the bike pulls hard in gear without touching the throttle. I played with jetting on a 20 mm carb still have the same issues I've read on threads but without any luck I cannot seem to figure out my problem any info will be appreciated
So the throttle is getting stuck?
MatthewMCRepair not at all there is about a quarter inch play in the throttle cable and it seats correctly. If I turn down the idle The bike will die before not pulling in first second or third gear.
MatthewMCRepair i've read that running lean can cause high idle but my spark plug is black. I've stuck bigger main and pilot jets in the carb with no luck
Is your pilot air screw responsive? How many turns out is it?
MatthewMCRepair 1 1/2 turns out. I have pilot jets from 30 to 45 the 38 is there right now if I go any bigger the spark plug get fouled quickly
Matt if you still have the 50cc case in this video whats the engine code on the bottom near the shifter? i'm trying to see if i have a clone engine in my sons china atv.
Bike is long gone, sorry.
Hi Matt, do I need an bigger oil pump for this setup?
My pump is an 50cc pump
They do recommend a Hv oil pump. This one was stock and running fine though.
do i have to take the oil out of the engine cuz ive just got some new oil in it, or can i just pour the almost new oil back in the engine after ive taken it out and instaled the 88cc?
You don't have to drain oil to do the top end. Yes you can drain clean oil into a clean container and reuse if it ever comes to that.
is the swingarm replaced with a extended one or is it just a longer mono shock on there
both
thanks man! helped me alot installing my kitaco 75cc light bore kit !
Thank you so much. I appreciate your teachings mate.
What muffler is that by any chance ?
Soo if I just buy an 88 kit does it have to be step one or two or do you need both
I'm not sure what you mean by step one/two?
Thanks, Jamie!
Where can I get one of those t-handles to out sockets on the end?
Google "T-Handle Wrench Neiko 01135A "
What length is that shock?
what kinda car do you have over there?
70' Chevelle. I should do some videos on it so you guys can see it.
TTR-50 compatability?
I don't know sorry.
MatthewMCRepair Ok..
nice work we have parts for this model
This is Honda c70..?
So what would happen if the cam was not timed right
+SpectatingGamer Worse case the valves can crash into the piston.
+MatthewMCRepair hopefully the shop timed mine right XD
good job bro ure pretty good
Sweet pitbike👊🏻
Yeah..... gonna let a shop do this one.
Why? This video shows how to do it!
MatthewMCRepair I don't trust myself enough. If I screw anything up then I would regret taking to a shop.
10ml nuts 4:45 LOL!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
What's funny about 10 millimeter nuts?
Swingarm** sorry for all those typing mistakes
Can get a better faster and cheeper engin in india
Hero splendor
I don;t know.
U will find it on internet just type hero splendor engin it will really help u
Jj
I sorry
scoot.bg
What front end is on your bike?
I don't know sorry