Rebirth. Way to tell if i need bigger jets? 97 900rr - Honda Motorcycles - FireBlades.org
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post #1 of 36 Old 02-21-2012, 2:24 AM Thread Starter
 
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Rebirth. Way to tell if i need bigger jets? 97 900rr

OK so after reading like 5 pages from a thread that took me like a hour, i now have some question/ concerns to my blade.

1. I had no idea what a "viking" mod was till i saw the pic of the mod, and my bike has that mod actually and i never knew,
2. I have a K&N Filter with headers and a slipon.
3. The last time i cleaned out my carbs my needles were stock. i dont understand why the previous owner would do so much modding and not worry about the jets,
4. After reading i read that Racing Had Said by putting 2 M3 Washers should increase my gas flow cause i was having the same problems as lambchops
5. I actually had to Cover one of my air induct tubes with a rag or something for my bike to run properly and no bogging ( Still does Actually but very lil)

Any Ideas or saying to this guys?
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post #2 of 36 Old 02-21-2012, 3:59 AM
 
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Re: Rebirth. Way to tell if i need bigger jets? 97 900rr

Hi Sfigher, when you say the needles were stock I take it you mean the jets? As I said in the other thread check the full airbox mods have been done and then add the 140 main jets.



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post #3 of 36 Old 02-21-2012, 4:12 AM Thread Starter
 
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Re: Rebirth. Way to tell if i need bigger jets? 97 900rr

When i meant needles i mean all 4, where i was questioning to add the M3 washers.

I remember taking the jets out to clean them to be on the safe side a couple of months ago, i didnt notice no drilling nothing of that kinda wear on the jets, everything is pretty much stock on my carbs, my needle is stock as it doesnt have the lil clip to adjust the hights like DJ,

As far as my Airbox, There is no holes on the airbox at all, it just has that center funnel piece removed, and also it does have the K&N Filter,

Also whats this Air Deflector you are talking about?
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post #4 of 36 Old 02-21-2012, 4:14 AM Thread Starter
 
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Re: Rebirth. Way to tell if i need bigger jets? 97 900rr

And yes me jets were all stock, as i remember reading 126.
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post #5 of 36 Old 02-21-2012, 4:16 AM Thread Starter
 
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Re: Rebirth. Way to tell if i need bigger jets? 97 900rr

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Originally Posted by Lambchops View Post
Hi Sfigher, when you say the needles were stock I take it you mean the jets? As I said in the other thread check the full airbox mods have been done and then add the 140 main jets.

Sorry im such a noob on this, but what exactly is "140" main jet? how does the numbering work? is 140 the stock jet?
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post #6 of 36 Old 02-21-2012, 5:32 AM
 
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Re: Rebirth. Way to tell if i need bigger jets? 97 900rr

Ah ok, if you just have the trumpet intake removed then its not had the viking mod. The 140 mains are very large jets, standard I think is 115.. If you look very close at the jet you will see the numbering on them its very small. Normal rejet for K&N and end can is I think about 120 - 125. If you have standard jets and a K&N and pipe I would sugest you get 120 mains. Or if you want to do the full viking mod to the airbox get the 140 in there.



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post #7 of 36 Old 02-21-2012, 12:29 PM Thread Starter
 
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Re: Rebirth. Way to tell if i need bigger jets? 97 900rr

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Originally Posted by Lambchops View Post
Ah ok, if you just have the trumpet intake removed then its not had the viking mod. The 140 mains are very large jets, standard I think is 115.. If you look very close at the jet you will see the numbering on them its very small. Normal rejet for K&N and end can is I think about 120 - 125. If you have standard jets and a K&N and pipe I would sugest you get 120 mains. Or if you want to do the full viking mod to the airbox get the 140 in there.
ill might as well go 140 then, whats a decent website to get these jets from? yesterday i saw a website selling them $3.99 each
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post #8 of 36 Old 02-21-2012, 2:34 PM
 
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Re: Rebirth. Way to tell if i need bigger jets? 97 900rr

You won't get cheaper than that! Honda ones are about $12 each I think... I remember they were shocking.



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post #9 of 36 Old 02-21-2012, 3:47 PM Thread Starter
 
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Re: Rebirth. Way to tell if i need bigger jets? 97 900rr

Ok, so far this is what i have done, i have a buddy that has his own shop, he sold me 4 130 main jets for $10, after installing them the power is increased greatly, but still have the same problem before it would bog on me around 7k rpm, not its on the top end that bogging out on me, my only solution well actually be 140?, i just came back from switching the 130's for some 132's ima install them and see how it runs with that
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post #10 of 36 Old 02-21-2012, 4:03 PM
 
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Re: Rebirth. Way to tell if i need bigger jets? 97 900rr

You need to do the air box mods as per that other thread, from what I understand you only have the trumpets removed. Have a look at the other thread for the details of what you need to do, if it's bogging at the top end I think you now have too much fuel and not enough air would be my guess



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post #11 of 36 Old 02-21-2012, 4:26 PM Thread Starter
 
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Re: Rebirth. Way to tell if i need bigger jets? 97 900rr

Sounds about right to me i need air now, cause a good test is to use the choke while the time that its bogging on me, if it needs fuel it will run smooth ( no bogging) (holding a the choke) and when i do, it still bogs on me, lemme try modding my air box
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post #12 of 36 Old 02-21-2012, 4:41 PM
 
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Re: Rebirth. Way to tell if i need bigger jets? 97 900rr

sounds awsome when you do the airbox mods, makes the induction noise realy loud and the bike sounds angry!! Sounds great



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post #13 of 36 Old 02-21-2012, 5:23 PM Thread Starter
 
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Re: Rebirth. Way to tell if i need bigger jets? 97 900rr

Ok WOW, after a bit of modding, my bike is running like never before, its running super smooth no bogging on any rpms with such power.!
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post #14 of 36 Old 02-21-2012, 5:24 PM
 
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Re: Rebirth. Way to tell if i need bigger jets? 97 900rr

you done those mods already? thats under an hour! Im impressed



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post #15 of 36 Old 02-21-2012, 5:28 PM
 
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Re: Rebirth. Way to tell if i need bigger jets? 97 900rr

Quote:
Originally Posted by Lambchops View Post
you done those mods already? thats under an hour! Im impressed
That's some NASCAR pit stop [email protected] right there!
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