terecha
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Posts posted by terecha
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I have sent an email to the Keihin corporation. I am curious what could they do.
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In my case they sit well.
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5 hours ago, TonyGee said:
can't say ive ever had a problem with a worn seat as a new valve fixes the issue. but ive heard of people using some sort of abrasive or cutting tool to clean up the edges of the hole in the seat. might be worth a try ?
I tried it. It reduced the leakage. Situation was 50% better. But couldn't fix the problem. So I am sure the pressed seats are the reason! No idea what to do, while the seats are not replaceable.
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7 minutes ago, TonyGee said:
can't say ive ever had a problem with a worn seat as a new valve fixes the issue. but ive heard of people using some sort of abrasive or cutting tool to clean up the edges of the hole in the seat. might be worth a try ?
Why not, but maybe better to use CNC mill with precision tip?
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10 minutes ago, TonyGee said:
are you sure the seats are worn ? the needle (float) valve has a rubber tip so generally its the tip that wears not the seat. have the carbs done a lot of miles ?
Changed the the float valves twice. Genuine kit and tourmax kit, in both cases still leakage is present. Float is at the good level. So only the seats can be worn.
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I checked that the bandit 600 carbs can fit inazuma, however there are no such carbs in the good condition in the market. I could buy a crap for 150 euro here
The problem in my case is worn needle valve seat. While it is not replaceable, I don't know how to fix it
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3 minutes ago, wraith said:
How would you of got it out to put filters on ?
I had to remove the engine from a frame and then the airbox.
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12 minutes ago, wraith said:
If it was me in your shoes, I'd ever put the gsx750f carbs and inlet rubbers back on and get some Dyno time or do the same with b6 carbs.
Did you use the 750f inlet rubbers?
Was it flat sporting from the start of the revs or higher up?
May just need bigger main jets.
As the gsx750f engine will be pretty much the same engine you have.
I installed the carbs with K&N filters instead of the airbox. Maybe it was a reason that tuning was so difficult.
Rubbers between the head and carbs were from 750 inazuma.
Experimented with jets, but couldn't achieve success.
Flat spot appeared on mid and higher revs (like main jet and needle)
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4 minutes ago, TonyGee said:
the seat isn't shown in the pic but it is in the list below, I didn't know they where available from suzuki as they are pressed in !!!!!
the bandit 1200's seat is held in with a small plate and screw.
In bandits and teapot, they are pressed in and replaceable. In inazumas not.
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3 minutes ago, Gixer1460 said:
Yes - that is the bit the float NEEDLE seats into . . . . look at the picture - see the countersunk hole, that is the needle seat!
Oh no. The seat is in the place where tip of #22 sits. You can't see this in the picture.
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1 minute ago, TonyGee said:
then the 600 bandit carbs will fit perfectly with an inazuma airbox and inlet rubbers.
If you are right, that would be a good solution, while in bandit 600 valve seats are replaceable
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3 minutes ago, Gixer1460 said:
Well, the jet is available, part #26 so it / they are replaceable, although stupidly expensive! Never known a new jet not to seal - the seats must be absolutely fubar'd!
As said above, even contemplating using RS / FCR's is waaaay beyond sensible for this application, especially just to solve leaky needles!
#26 is a needle jet. Has nothing to my case of the fuel leak
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13 minutes ago, wraith said:
If you don't know about setting up carbs (ie the gsx750f carbs you tryed) the above carbs will be way out of your knowledge to set up and they don't go with the standard air box. So you would need to spend time getting them set up on a Dyna rolling road.
This is what I supposed
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18 minutes ago, TonyGee said:
not sure what your setup is ? are you using an inazuma frame and engine ?
Yes. Stock frame and engine
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14 minutes ago, TonyGee said:
this is why i said about B6 carbs,
i put a set of b6 carbs on a b12 engine without changing anything, they worked spot on. even though the jetting is slightly different on the 1200 inazuma.
I am not sure if they can fit, because in bandit airbox is completely different.
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What other carbs would fit? Mikuni RS34? Keihin FCR?
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3 minutes ago, wraith said:
Ok, they are a 32mm carb if I'm right?
If so, get a set of MK1 bandit 600 carbs, swap the pilot jets over and run it on them, or even get a set of gsxr/b12/gsx750f carbs and inlet rubbers and put them on. The gsx750f would probably be better
and you'd get some more power out of the 750 engine.
I tried the gsx750f carbs, bike runned but I couldn't adjust it.
When accelerated engine had serious breaks in revving.
Not an expert and didn't know how to fix it.
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6 minutes ago, wraith said:
have you replaced the rubber o ring around the needle valve seat/holder?
Valve seat is pressed permanently into the carb body (can not be removed without damage). There is no oring around and no oring inside the seat.
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2 minutes ago, TonyGee said:
I assume the float heights where set right !!!!
I checked this and are perfectly set.
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1 minute ago, TonyGee said:
ive fitted quite a few genuine float valves and never seen one fail, where exactly is the leak coming from ?
From overflow tubes and fuel is present in the airbox and cylinders (too much) as well.
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1 minute ago, TonyGee said:
but did they stop the leak ?
No
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5 minutes ago, TonyGee said:
did you use genuine float valves ?
Used the tourmax replacement first, no success. Later purchased the genuine, but their rubber tips were very hard, so returned them to the dealer
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26 minutes ago, TonyGee said:
they use the same carbs as the bandit 600 if that helps ?
Sadly. Not.
Inazuma 750 carburetor nightmare
in Oil Cooled
Posted
Seats were machined in CNC shops, after around 10 trials everything is still leaking.