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evil-ride wrote: Hi everyone.
#641904 is my bike !!!
I happened find this site.
This is 1996 ZR400G1 4valve.
I custmized wheel,cabrator,,,etc.
I am not good at English,but I want to do my best.
Thank you.

NIce! I've only read about the bike, never talked with anyone who has one. How do you like you it? Are you in Japan? Welcome to the site!

Zaddict
I live in Tokyo Japan.
You have nice 550.
I read the thread.
It is very difficult to install 4 valve to 2 valve Engine.
Because piston forms and crankshaft..etc very different.
If you want more power,use the Wiseco piston and Keihin or Mikuni flat-valve carburetor.
I think Flat-valve cab is very effective for ZR.
Please use the link as a reference(Please use Google transfer)
www.mars.dti.ne.jp/~tu-121/
I wish want to help you...

evil-ride wrote: Hi everyone.
#641904 is my bike !!!

このバイクは非常に細かい表示されます。あなたがここに歓迎されている！

私たちは十分な完全にあなたの英語ですとそれはここに通信します。
あなたの英語は低品質であると考えられる場合は、これらの人々が日本を試みることを聞く必要があります！これは、最もコメディです！

guitargeek
Thank you replay in japanese.
I am very glad !
So...Please write in English.
I will study and do my best.
Thank you for your kindness.

Is the KZ series major in USA?
In japan, recently,there is so many Harley Davidson ...

evil-ride wrote: In japan, recently,there is so many Harley Davidson ...

That's interesting, we have exactly the same problem here!

steell wrote:

evil-ride wrote: In japan, recently,there is so many Harley Davidson ...

That's interesting, we have exactly the same problem here!

Tue, any muppet can throw a big wedge of cash at some Harley to win street cred, mainly among non-bikers or the back patch 1% headbangers-all who started on jap bikes anyway.

building an old kawi is my idea of street cred, each to their own though (smiley)

As for 16 valves -personally I much preferred the 'tune' of a gpz11 to a gsx11.
That mental red line arm wrenching rpm power always seems faster than the ruler straigh tourque cure of a gsx - a lot of racers will disagree here i know.
Had them both.

(hi Lou - Brendan here )

Oh,.Same problem increase worldwide
I respect who ride Kawa In USA or Other country

Tyrell Corp wrote: (hi Lou - Brendan here )

Thought I recognized that bike!
...and the more human than human humor.

Yea - nexus 6 replicant combat model (smiley)

evil-ride wrote: Zaddict
I live in Tokyo Japan.
You have nice 550.
I read the thread.
It is very difficult to install 4 valve to 2 valve Engine.
Because piston forms and crankshaft..etc very different.
If you want more power,use the Wiseco piston and Keihin or Mikuni flat-valve carburetor.
I think Flat-valve cab is very effective for ZR.
Please use the link as a reference(Please use Google transfer)
www.mars.dti.ne.jp/~tu-121/
I wish want to help you...

Thank you for all the information, Evilride. It's a shame that it's so difficult to change to a 4 valve engine - that would have been a fun project. But I did see some interesting modifications in the link you shared, including a modified 650cc engine (www.mars.dti.ne.jp/~tu-121/). 73 horsepower would be amazing!! :woohoo: Is there a kit to buy or was that project all custom work? I have only seen Wiseco 615 kits before.