$100 1000cc to 1100cc upgrade.

It was 120 since I bought the pistons from them...... was 175 if not and I see its 189 now........ could a got the pistons a little cheaper but not by much since they had the discount on them doing it all.

Did you bring them to motorcycle engine shop or auto? I am pretty sure automotive machine shop will charge a few times less.

zed1015 wrote:

car5car wrote: I was going to buy this tool and use my drill:
www.cylinderheadsupply.com/uncyho.html

Why ? $149 + $60 gets you a proper accurate re-bore at a professional engine shop by someone who hopefully knows what they are doing.
Those hones are really for glaze busting and re-ringing and no where near as accurate and consistent as a bench machine.
Total false economy and a recipe for disaster.

I repair car engines all the time. I invented a tool to repair connecting rod journals w/o removing engine. If I try this hone and it works, I'll be able to bore blocks w/o removing engines.

The barrels come off without pulling the engine. Trying to bore 2-4mm with a hons is NOT the way to do it. Not only can the bores be uneven, off center or even warped, having a piston grenade at high RPM can be life threatening on a bike not to mention the law suits that come from it if the customer is injured. :dry:
Steve

car5car wrote: I was going to buy this tool and use my drill:
www.cylinderheadsupply.com/uncyho.html

Thats a hone,not a boring bar. :woohoo:

car5car wrote: Did you bring them to motorcycle engine shop or auto? I am pretty sure automotive machine shop will charge a few times less.

Most,not all automotive machine shops dont have a clue about motorcycle machine work.

swest wrote: The barrels come off without pulling the engine. Trying to bore 2-4mm with a hons is NOT the way to do it. Not only can the bores be uneven, off center or even warped, having a piston grenade at high RPM can be life threatening on a bike not to mention the law suits that come from it if the customer is injured. :dry:
Steve

I am not talking about bikes.

PLUMMEN wrote:

car5car wrote: Did you bring them to motorcycle engine shop or auto? I am pretty sure automotive machine shop will charge a few times less.

Most,not all automotive machine shops dont have a clue about motorcycle machine work.

Of course they don't. That is because car cylinders are round and bike cylinders are square.

car5car wrote:

zed1015 wrote:

car5car wrote: I was going to buy this tool and use my drill:
www.cylinderheadsupply.com/uncyho.html

Why ? $149 + $60 gets you a proper accurate re-bore at a professional engine shop by someone who hopefully knows what they are doing.
Those hones are really for glaze busting and re-ringing and no where near as accurate and consistent as a bench machine.
Total false economy and a recipe for disaster.

I repair car engines all the time. I invented a tool to repair connecting rod journals w/o removing engine. If I try this hone and it works, I'll be able to bore blocks w/o removing engines.

PLUMMEN wrote:

car5car wrote: I was going to buy this tool and use my drill:
www.cylinderheadsupply.com/uncyho.html

Thats a hone,not a boring bar. :woohoo:

that is why it will take up to one hour to bore a cylinder.

car5car wrote:

PLUMMEN wrote:

car5car wrote: Did you bring them to motorcycle engine shop or auto? I am pretty sure automotive machine shop will charge a few times less.

Most,not all automotive machine shops dont have a clue about motorcycle machine work.

Of course they don't. That is because car cylinders are round and bike cylinders are square.

Id be willing to bet after trying it your way they probably do more closely resemble something square than a circle.
So just exactly how long have you been putting motors together ?

I shudder to think of it. :ohmy:
Steve