Engine size calculator

[Phil67]

Interesting website on calculating engine size

This is the maths

((Bore X Bore) / 4) X pi X Stroke X Cylinders

For example, a z160ho is 60bore x 55 stroke = 155cc

A YX 150 is 149

An Anima 190 = 187

A 160 with TB 64mm piston is = 177

A 150 with TB 64mm piston is = 170.

http://www.nightrider.com/biketech/calc_displacement.htm

 

[rotn50]

Cool link phil, the 160 yx has a 57mm stroke which takes it out to 183.4(184) but the 155z/160ho has a 55mm stroke taking it out to 177.

 

[my67xr]

 

[Phil67]

wow, so a yx 160 needs a 67mm piston to get it to 200.

Good calculator

 

[headsmess]

dangnamit, ima trying to design a 40!

 

[Styv_Loosekid_21]

wow, so a yx 160 needs a 67mm piston to get it to 200.

Good calculator

Didn't you know this Phil? Classic Honda has bore kits with correct displacement after installation

 

[zwebx]

wow, so a yx 160 needs a 67mm piston to get it to 200.

Good calculator

i hear you can take them to 70mm but you need a different conrod and you need to weld up around the cyl base for sealing thats what akunar told me anyway

 

[Phil67]

Didn't you know this Phil? Classic Honda has bore kits with correct displacement after installation

Of course i didn't know, hence the "wow" hahaha.