Yz85 Big bore?

If you just bore it, the top end goes away. Stroke it to keep same dimensions inside, for better power up top.

If you bore it you will also need porting to bring the ports back to the proper heights.

I GOT THE 2008 SUSZUKI RM85 AND 1 TIME AT CYCUL RANCH I PASS A YZ UP A HILL THIS GUY THAT SEED IT TELLED ME U LOOK LIKE KEN HOWERTIN OUT THERE KID AND HIS FRENDS GIVED ME THE NICKNAME LITTEL TEXAS. WE DIND EVER GET A BIG BOAR FOR IT BUT GETTED THE VFORCE AND THE PRO CIRCIUT PIPES

loftyair wrote:

If you just bore it, the top end goes away. Stroke it to keep same dimensions inside, for better power up top.

So where would I even start to get the big bored

loftyair wrote:

If you just bore it, the top end goes away. Stroke it to keep same dimensions inside, for better power up top.

ParkerM wrote:

So where would I even start to get the big bored

send it to tom at tmr does really good work, have him stroke it to a supermini
or just get a kx 100

loftyair wrote:

If you just bore it, the top end goes away. Stroke it to keep same dimensions inside, for better power up top.

ParkerM wrote:

So where would I even start to get the big bored

brody wrote:

send it to tom at tmr does really good work, have him stroke it to a supermini
or just get a kx 100

Where is tmr at?

ParkerM wrote:

So where would I even start to get the big bored

brody wrote:

send it to tom at tmr does really good work, have him stroke it to a supermini
or just get a kx 100

ParkerM wrote:

Where is tmr at?

you know you can use google to look it up.

i think cali cant recall give him a call or email