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Forum: Performance 03-02-2010, 05:26 PM
Replies: 21
Views: 4,701
Posted By pentax2
Re: A 2001 gz moded to the bone...

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

by the way the workshop manual is great!!! thanks !
Forum: Performance 03-02-2010, 05:24 PM
Replies: 21
Views: 4,701
Posted By pentax2
Re: A 2001 gz moded to the bone...

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 ...
Forum: Performance 02-19-2010, 04:36 PM
Replies: 21
Views: 4,701
Posted By pentax2
Re: A 2001 gz moded to the bone...

I'm glad i can share it with people who can appreciate the work that's been put in to this bike.
Forum: Performance 02-19-2010, 02:02 PM
Replies: 21
Views: 4,701
Posted By pentax2
Re: A 2001 gz moded to the bone...

I used two similar tools for the job one the first is a micro air grinder and the second is regular air grinder.
Forum: Performance 02-19-2010, 01:57 PM
Replies: 21
Views: 4,701
Posted By pentax2
Re: A 2001 gz moded to the bone...

and the installation:
Forum: Performance 02-19-2010, 01:47 PM
Replies: 21
Views: 4,701
Posted By pentax2
Re: A 2001 gz moded to the bone...

And now the after:
Forum: Performance 02-19-2010, 01:27 PM
Replies: 21
Views: 4,701
Posted By pentax2
Re: A 2001 gz moded to the bone...

But the last mod was the biggest one, during the overhaul I performed on the engine (due to smoking and "oil drinking" from the engine) I decided to port the cylinder head, it improved the fuel...
Forum: Performance 02-19-2010, 01:02 PM
Replies: 21
Views: 4,701
Posted By pentax2
Re: A 2001 gz moded to the bone...

Well the first thing after buying it was to change the cylinder head because I bought mine with a cracked one… I bought a racked GN250 and took its head…

The second thing I did was the 16t...
Forum: Performance 02-17-2010, 04:51 PM
Replies: 21
Views: 4,701
Posted By pentax2
cylinder head mod! carb mod! muffler mod!

This is my first bike a 2001 gz250.

And after a few months I decided to start making some changes, most of them came from this great site. (Thanks, very well done!).
Here are some of the things i...
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