YX 150cc with 65mm piston

[spoonta68]

Hi
im looking at modding my fresh 150cc as i ended up getting sent the wrong engine(160cc also on its way )

im looking at running a 65mm akunar piston in in to replace standard 60mm piston

so wanting to take it to 65mmx53mm bore and stroke

can someone give me an indication of the displacment itll be at after this mod and what power standard im looking at and power after mod?

cheers as ive got the powerr bug now AGAIN LOL!

oh and once 160cc arrives i might swap it so the cc the 160cc would be at

cheers again

 

[Dabomb]

175.87cc or (35.68 teaspoons), plus the cylinder head capacity?

 

[spoonta68]

is that for the 150cc 60x53?soz 65x53?
if so thats off its farken chops lol

 

[7deanos1993]

No dude, its 3.25 x pi x 5.3. You have to convert to cm, as its cc.

 

[7deanos1993]

I mean 3.25 squared

 

[spoonta68]

ok great and to a non math genius who spent maths class drawing pics of dirtbikes what does that mean lol

 

[Cactus Jack]

65 mm bore x 53 mm stroke = 175.87 cc

65 mm bore x 57 mm stroke = 189.14 cc

Book mark the cc capacity calculator for future reference ...

Tuning - Cubic Capacity

 

[spoonta68]

Cheers jack
ur a legend with a cactus lol

definetly wanna try this combo out and even better maybe with the tb roller head

 

[greenhuman]

Bore x bore .7854 x stroke = cc's