Page 1 of 1

Boring?

Posted: Thu Sep 07, 2006 7:59 pm
by xela_p2004
Will boring the stock cylinder and adding a bigger honda piston increase performance for a spree?

Posted: Thu Sep 07, 2006 9:18 pm
by se50
Boring it to what? Big bore, or just 1st overbore? Sounds kind of "boring" (bad pun intended) to me. :D

overbore

Posted: Fri Sep 08, 2006 1:59 am
by xela_p2004
Yeah bored to its 1st or second overbore. Basically just getting the stock cylinder and boring it out adding a new bigger honda piston and rings. Doing this will increase displacement I assume. Can this be a simple way to increase performance or just for rebuilding?

Posted: Fri Sep 08, 2006 9:12 am
by darat
no it wornt b/c it is such a small cc

Posted: Fri Sep 08, 2006 9:37 am
by berreta22
darat wrote:no it wornt b/c it is such a small cc
He is right. I bored mine out not for power but because i could do it cheaper than getting a used jug with piston and rings.

Posted: Wed Nov 01, 2006 9:32 pm
by xela_p2004
Ok so how big of a piston would I need to notice a difference? I purchased a new piston for my metropolitan it increases my scoot from 49cc to 58cc, I have yet to install it, but the ruckus crowd from totalruckus.com say it makes your scoot run like a two stroke at take off and has enough punch and speed to smoke a stock zuma. They have veypor graphs and data to back up there claims. That is fast for a four stroke. Any how has anyone experimented with buying a bigger piston and boring the stock cylinder, I know Wisco has pistons in all popular scooter sizes. Not sure if its possible just a thought, Iam sure you guys have thought about this before, but is it possible? What is the MM size of the stock piston? If it hasnt been done, maybe I can be the pioneer of this idea.

Posted: Wed Nov 01, 2006 10:17 pm
by Kikwear
berreta22 wrote:
darat wrote:no it wornt b/c it is such a small cc
He is right. I bored mine out not for power but because i could do it cheaper than getting a used jug with piston and rings.
What were you quoted for a used jug with pistons and rings?

Posted: Tue Jan 09, 2007 7:21 pm
by DELETED
DELETED

Posted: Tue Jan 09, 2007 9:03 pm
by xela_p2004
Isnt it the same as a aero? If so It would make a difference.

Posted: Wed Jan 10, 2007 5:40 pm
by MySpree
* no. the aeros engien is modyfyable, you can get pipes bores carbs anything. the main diff is ports and th biggest is that te aero has a varator.

Posted: Wed Jan 10, 2007 5:55 pm
by xela_p2004
Well I know the engine is different, Iam talking about the stroke. The only reason the spree doesnt have aftermarket parts is because of its transmission or lack of variator.

Posted: Wed Jan 10, 2007 6:31 pm
by MySpree
no, ports are diff, i ran a aero piston in a spree and it ran, but it was sketchy... and the crank for the aero is bigger and longer.