cylinder head mod! carb mod! muffler mod!

[Water Warrior 2]

Excellent pics and a job well done. Cleaning up the rough aluminum casting is a good performance mod if you are already in there anyway.

[Maggie]

Wow, it sure is incredible to see the "guts". And they sure cleaned up beautifully. Thank you so much for sharing those pics and comments with us.

[Dupo]

Now thats some serious modding. Excellent!!





Interesting THIS thread gets no negative comments about going that extra mile modding a GZ. hmm.

[burkbuilds]

Since there didn't appear to be any "Loud Pipes" involved, we let it slide!

[patrick_777]

Originally Posted by Dupo

Interesting THIS thread gets no negative comments about going that extra mile modding a GZ. hmm.

Consider the lack of certain users in this thread also.

[mrlmd1]

Great job. How long did that take you?
Were you a mechanic of sorts before or was this your first motorcycle experience?
It's smart to lay everything out if you have room and take photos along the way when you disassemble something so that you can get it back together again and know where all the parts go and not have any left over or missing.
Now you just need an engine guard, windshield, sissy bar and luggage rack, saddlebags and guards, headlight/brakelight modulator, (anything missing?). and you'll be all set.
Seriously, nice job, looks good, especially with those stripes/graphics and that 2-tone seat. Red is the best!

[pentax2]

Originally Posted by mrlmd1

Great job. How long did that take you?
Were you a mechanic of sorts before or was this your first motorcycle experience?
It's smart to lay everything out if you have room and take photos along the way when you disassemble something so that you can get it back together again and know where all the parts go and not have any left over or missing.
Now you just need an engine guard, windshield, sissy bar and luggage rack, saddlebags and guards, headlight/brakelight modulator, (anything missing?). and you'll be all set.
Seriously, nice job, looks good, especially with those stripes/graphics and that 2-tone seat. Red is the best!

The taking it all apart is fast, if i work slowly and thoroughly about 30min.
the cylinder head modding and cleaning took about 12 hours: 4 hours for the porting , 4 hours for refitting the valves the last 4 was for disassembling and assembling the head it self and for the cleaning.

the work with the cylinder and piston is short but tricky, because you need time to cool the piston to the right temp. so you can measure the pistons skirt with a good micrometer, and the you just add 45 micrometers (0.001772") to that, and you have your desired cylinder diameter, after machining the cylinders inner wall you need to hone it, from what i understand it is best to use a 400 grit stones for it.

don't forget to cool the cylinder before you measure it, it should be around 25c (77f).

and every thing else is by the book.

[pentax2]

And yes this is my first bike experience...
a good place to start...

by the way the workshop manual is great!!! thanks !

[Easy Rider]

Originally Posted by patrick_777

Consider the lack of certain users in this thread also.

:neener:

[Water Warrior 2]

[quote=Easy Rider]

Originally Posted by "patrick_777":2ewnulty

Consider the lack of certain users in this thread also.

:neener:[/quote:2ewnulty]
:lol: :lol: :lol: