Head and cam would wake it up a bit, but stoking will give you a lot of bottom end. I think clutch might be something to think about too if your riding tracks.

 

Get a clutch first cuz that will help you get out of corners much faster

 

Cheers dudes . I was kind of hoping to keep it as a semi but if putting a stroker kit on means changing it to a manuel clutch il probably give it a miss . TBH i can rail the little thing really well , that well that i have marks on my pants from getting my thigh on the deck

I was looking at a TB race head for it also would that be a better mod to do over the stroker kit . I'm not sure of the cam thats in at the moment but i will check tomorrow . I'll guess at a takegawa one because thing keeps up with my mates well modded 88 which has all the bells and whistles ( maybe im a better rider ?? )

 

watch the clearance on the piston skirt and the crank, depending on what piston your using

 

Going off the TB website it says the kit wont have fitment issues with the piston skirt . Does that apply to every barrel or jus the TB ones ? What identification marks should mine have on ? Shall i post pictures to see if someone can identify it ?

 

Just get the TB 88 or 108 race head. I have the 108 race head, and it is worth every penny. It's got great power.

 

The 108 head would have to go with the 108 barrel and piston though am i right ? Want to keep the 88 setup as i already have it so best bet is a 88 race head and then maybe a stroker kit with a manuel clutch ?

 

The 108 is an 88 race head but with a stroker crank. It uses the 88 piston and cylinder.

 

defennitly going to need race hd at the least, please dont go a clutch haha keep it auto

 

The race head is gonna weaken the low-end grunt, but the top end pull more than makes up for it. If you put the stroker crank in, you should def get that low end back plus more power all the way around. I'd say get the racehead over the stroker if you HAD to choose just one.

 

right , i can keep the semi auto if i get the race head . IF i did the stroker kit too would i have to make it a manual ? What sort of power would it look to be pushing out also ?

 

GUYS All the 88 kits and your stock cylinder even are all 63mm tall.. The problem with stroking an engine is IF you dont use the piston that was desighned for that crank the piston could well come up out of the cylinder an 1/8 th of an inch or more. Or the folks makeing the crank could use a shorter rod to keep the piston in the whole but most cranks have a piston that goes with them. So heres the problem you have a stock head 52mm piston. No one knows if that piston will work on a TB 51mm crank. Because TB makes a piston thats 52mm that goes with there 51mm crank. And then IF you get that piston I dont think it will work with the stock head. So you would have to get a different head. TB dosent make a 52mm piston that works with there 51mm crank AND a stock head. And then it all changes when you talk Takegawa Cause there cranks are only 50mm stroke so they have to use Takegawa pistons only as well. Kitaco uses 51mm cranks.. When you go up to 124cc then all the manufactures use 54mm cranks with 54mm pistons and all the cylinders go to 69mm tall.. You wont know untill you get the crank and bolt that 52mm piston you have to it and see how far up it comes in the cylinder.. Not saying it couldnt be made to work.. But I havent seen guys just droping in cranks on there stock head 88 setups cause there isnt a piston available for that combination. Most of the time you have to run a piston that was made for whatever head you are using AND whatever crank you are using. TB pistons dont work with Kitaco or Takegawa heads. Takegawa pistons only work with there heads same with kitaco. If you start using different heads and different pistons they usually smack valves or hit the top of the head. They all would take some work to get them to work with a different setup than what they were made for.. Takegawa uses a 50mm cranks and Kitaco and TB use a 51mm crank so put a Takegawa piston made for the 50mm crank on a TB craks and it comes up WAY out of the cylinder. And Kitaco dosent make a piston for there crank AND a stock head either. But LOTS of guys run there 106cc or 108cc engine as semi autos. Get some stiffer springs and some good kevlar replacement plates and a semiauto clutch would hold the HP just fine.. Ive seen 117 kits semiauto and take it. A stock head 88 makes 6hp so a crank might give it 7 but it would pick up a lot more torque.. You need a head on it to let it breath to get anymore than that. A TB race head 108 kit you might get 10. There race head 117 kit with a 26mm carb makes 12hp.. Takegawas 115cc kit with superhead makes 14.. And there 124+R kit makes 16hp Thats with a 28m carb and S35 cam.. These are all just bolt togethere HP numbers. No mods done to the heads or milling of cylinders. Just bolted together from TB and Takegawa this is what they make with a good pipe and carb.

 

You don't have to go manual if you eventually put the stroker crank in, I had a 106 kitaco head setup with a heavy duty auto clutch and it worked just fine.



I think you would be better off getting the trail bikes race head and rejetting your carb for it, than getting a stroker crank to go with your stock head.

 

taz69 : Just plain wow !! That is some write up there my friend . I would have thought there would be some compliaction to do with each brand not suiting others because they will be putting them selves out of business so to speak . I get what u said there , i dont think i was explaining myself too well , which isnt one of my strong points , I dont want a mega money takegawa or kitaco fire pumping engine . I have that with my chinese 140 thats 15 hp . I'm after a little plodder that can run a litttle more power than what i have already and be more realiable .



If i use all TB parts that would be ok ? eg i will get a TB head , piston and crank to suit each other then that should be ok ?



Glad i can keep the semi auto though otherwise i probably would change anything .

 

If you use all TB parts, then of course you'll be ok.

 

i just had this problem. choosing a stroker kit over a racehead....what made me choose the race head over the crank is that if you go with a stroker kit it recommends a oil cooler and a high flow oil pump. thats an additional 200 bucks almost...so i went with a high flow oil pump and a race head. next will be exhaust.....since im rocking stock exhaust pipe

right now.

 

I got 5 bikes from 88s to 184cc YX engines and I dont run a cooler on any of them. I tested a cooler it was 5 degrees cooler oil coming out than going in. Look at all the coolers the lines attach on the bottom. So the oil goes in runs along the bottom and then runs out the cooler never even fills up at all.. Now you could flip the cooler with the lines going in on the top but then everytime you tear it appart you must prime the cooler full of oil cause these engines only hold .6 or .7 of a quart and some of the coolers can hold half that

Have an empty cooler fire it up and half your oil is gone from the crankcase. So I havent ever had one overheat that was jetted right and had the correct amount of oil. Never and I you all my bikes on the street tapped out everywhere. Cooler is waste of money now you do need the High flow oil pump thats a must.. I have an oil adapter plate for my 124+R never use it. I got 2 coolers that came with my YX engines and I dont run them. Use good oil and have the jetting right and no worries and its HOT in NC and SC where I race. 95 to 100 all the time and have never had a heat issue.. Now run them LOW on oil and thats a problem..

 

With ALL TB parts

88cc and 108cc are all 52mm cylinders (same cylinder)

Pin location is the same on a TB stroker as on a stock crank

So 108cc stroker with stock head would fit , but due to very low Cylinder head CC or volume the compression would be very high

And the stock head is severely limited due to small valves and ports ect

Consider a TB race head 88cc set up

 

Thanks alot for the relplies . Il most probably go for a TB 88 head for the time being then when the time is right get a crank too .



Taz ; im the same dont run coolers either think they are a waste of time and something else to get smashed or split lines during a ride . I ran my 140 all day in the 30*c heat ( i cant do the other measurement

)and it ran like a dream it didnt miss a beat .



Again dudes cheers

 

you def don't wanna run the stock exhaust with a racehead.

 

Hey if you don't like oil cooler thats fine , but here is some interesting info

http://www.tboltusa.com/store/super-oil-cooler-kit-ii-finned-pri-1834.html?reviews_id=168&os