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Needs Training Wheels
Needs Training Wheels

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 Post subject: Stock Z125 Head port and polish project.
PostPosted: Thu Aug 06, 2015 12:44 pm 
Day one of this project.

I got the head off removed and cleaned internal parts.
ImageImage

Shots of the Intake and its yucky.Image

And the Exhaust.
Image

More pictures of porting a week from today after my return from business trip.

To be continued....


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TR Ride of the Month!
TR Ride of the Month!
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Years on TRYears on TRYears on TRYears on TRYears on TRYears on TRYears on TR

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Location: Va Beach
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 Post subject: Re: Stock Z125 Head port and polish project.
PostPosted: Thu Aug 06, 2015 1:15 pm 
Gonna keep an eye on this

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Needs Training Wheels
Needs Training Wheels

Years on TRYears on TR

Posts: 40
Gender: Dude

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 Post subject: Re: Stock Z125 Head port and polish project.
PostPosted: Thu Aug 06, 2015 1:19 pm 
Btw, this head will be for sale when my go fast parts arrive. Who will be the lucky fella??? :)


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Needs Training Wheels
Needs Training Wheels

Years on TRYears on TR

Posts: 40
Gender: Dude

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 Post subject: Re: Stock Z125 Head port and polish project.
PostPosted: Sat Aug 15, 2015 12:46 pm 
Cleaned up the valve shrouding, increased port size by a couple of cm, and they reshaped the intake/exhaust flow. I didn't polish but instead I quit at 100 grit. Overall, the experiment improved throttle response and torque. I apologize for such a scrappy photo. Cylinder head is just too tiny. Lol

Image

Image


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Needs Training Wheels
Needs Training Wheels

Years on TRYears on TR

Posts: 40
Gender: Dude

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 Post subject: Re: Stock Z125 Head port and polish project.
PostPosted: Mon Aug 17, 2015 2:02 pm 
Exhaust side.

Image


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