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Author Topic: vm 44 for near oem zilla....?  (Read 744 times)

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vm 44 for near oem zilla....?
« on: May 30, 2013, 04:34:55 am »
I want to build me a 44 mikuni vm on my zilla.
setup of the zilla: pt pipe, bore 87.5, No porting,
v3reeds, there are problems?
how am I supposed to jet?
or is a keihin 39 pwk the better off? Frank
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under-steers is when you see the tree the goes in. overrides is when you hear the tree which you were going on.
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Re: vm 44 for near oem zilla....?
« Reply #1 on: May 30, 2013, 06:49:26 am »
call Jerry Hall, he is the man for the vm44, he has mine now for a few of his mods to be done.
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Re: vm 44 for near oem zilla....?
« Reply #2 on: May 30, 2013, 08:12:03 am »
I think a 44 might be a little too big for your set up especially with a PT pipe.

Talk to JH but my guess would be a modified stocker to a 41-41.5  would be just about pushing he limit of where you'd want to go and still have a good power curve.

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Re: vm 44 for near oem zilla....?
« Reply #3 on: May 30, 2013, 12:00:25 pm »
I think with my oem mikuni anything wrong.
I would like to buy me a pwk 39 or better mikuni tm 38 new?
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under-steers is when you see the tree the goes in. overrides is when you hear the tree which you were going on.
"Walther Röhrl "

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Re: vm 44 for near oem zilla....?
« Reply #4 on: May 30, 2013, 04:30:12 pm »
Talking with Jerry Hall, he recommends the mikuni 38 flat slide (oem carb) over the keihin 39pwk.  So much so I'm sending him one to modify.

But the 39pwk I'm running now performs really well, so it will be interesting how performance can be improved..
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Re: vm 44 for near oem zilla....?
« Reply #5 on: June 02, 2013, 08:01:04 am »
The modified OEM is the way to go over the PWK, and it almost works as good as the VM44 but when you get a big pipe and big porting the 44 moves a little more air if your motor is is set up to handle it.
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Re: vm 44 for near oem zilla....?
« Reply #6 on: June 16, 2013, 12:14:53 pm »
I now have a brand new Mukuni tm 38 smoothbore  with power jet hole bought. you can use the?
 and what does smoothbore?
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under-steers is when you see the tree the goes in. overrides is when you hear the tree which you were going on.
"Walther Röhrl "
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