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Posted

I have 01 that I need to get 70 to 80 HP. I spoke with Vitos and they suggested that I install their 4mm crank with their super stock pistons. Anyone seen that combo?

Posted

DUDE LOL

 

 

go weld ure crank first , then go get the cylinders ported...... Its not really about bore size when ure talkin miniscule cc gain..... ITS ALLLLLLLLLLL aBOUT FLOW !!!!!!!!!

 

 

Go spend ure life savings on a bad ass port job, a 4mm crank , and some nice domes and clutch. HANG ON

 

 

 

I have seen stock stroke / stock cyl bikes STOMP on 4 mill's , just because they have better porting/rider ?

Posted

Yeah.....You may be able to tell I'm new to the 2-stroke. I've been riding 4-stroke for a while and I'm just tired of getting spanked!! Everyone has a different opinion on what should done.

Posted

Stock stroke Cheetah Cub

VForce3's

Cool Head

33-35mm carbs

longer swingarm

better rubber to get that power to the ground

 

That setup will get you 70-80hp without having to split your cases and put in another crank. BUT If you go to higher compression its a good idea to get your crank trued and welded, in which case you will have to split the cases anyway, and if that's the case, spend the extra $400 for a 4mil crank that's already trued and welded and the 4mil casting of the cub cylinders cost the same as the stock stroke casting. Or you can run the stock crank with that setup until it lets loose or you have problems, then upgrade later.

 

OR!

 

Port your stock cylinders,

Reeds

Cool Head

Carbs

Swinger.

 

Cub cylinders are around $800-900

Good port job around $300-400, possibly less depending on where you go and what you want done.

 

Good porting places...

LC Performance

A&S

FAST

Dune Trash Racing

Herr Juggs

 

There's a zillion places that do porting. Look at peoples signatures and you can get some ideas of places. Call them and talk to them and go from there.

Posted (edited)
Stock stroke Cheetah Cub

VForce3's

Cool Head

33-35mm carbs

longer swingarm

better rubber to get that power to the ground

 

That setup will get you 70-80hp without having to split your cases and put in another crank. BUT If you go to higher compression its a good idea to get your crank trued and welded, in which case you will have to split the cases anyway, and if that's the case, spend the extra $400 for a 4mil crank that's already trued and welded and the 4mil casting of the cub cylinders cost the same as the stock stroke casting. Or you can run the stock crank with that setup until it lets loose or you have problems, then upgrade later.

 

OR!

 

Port your stock cylinders,

Reeds

Cool Head

Carbs

Swinger.

 

Cub cylinders are around $800-900

Good port job around $300-400, possibly less depending on where you go and what you want done.

 

Good porting places...

LC Performance

A&S

FAST

Dune Trash Racing

Herr Juggs

 

There's a zillion places that do porting. Look at peoples signatures and you can get some ideas of places. Call them and talk to them and go from there.

 

True but after looking at my crank starting to seperate from just pipes I would split the cases true and weld it anyways... To ensure reliability....

Edited by Justintoxicated

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