Rejet / Airbox snorkel removal / Yoshimura full exhaust - KawiForums - Kawasaki Motorcycle Forums
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post #1 of 16 (permalink) Old 04-23-2008, 12:32 AM Thread Starter
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Rejet / Airbox snorkel removal / Yoshimura full exhaust

I rejetted the carbs and removed the airbox snorkel on Sunday because it was raining and had I nothing better to do. I already had the Yoshimura TRC carbon fiber full system installed. I used a DynoJet stage 2 Jet kit (#2193) and used the #98 jets with the neddles on the middle setting. Doing the carb adjustments were cake, removing the carbs from the bike was another story all together. The airbox utterly and completely makes removing the carbs from the bike a complete pain in the ass. There is not much room to maneuver around the airbox inside the frame. No, I am not interested in removing the airbox and trying to install pod filters. Although it would simplify doing any future carb adjustments.

I finally got to ride the 250 today because it rained all Sunday and Monday, I was dying to ride it and see what changes the jetting made to my 249cc screamer

The bike pulls off of the line with much more ease now, I don't have to give it a whole lot of gas, and the engine doesn't bog down as bad if you let the clutch out too quick. I felt that the midrange response and pull has gotten much better, especially in the 7k range, the motor just feels like it is breathing easier and more eager to rev now. The top end performance is also improved, it pulls very eagerly to redline in a hurry. With the breathing mods and the rejet I am very pleased with the results. The bike sounds great, looks great, and performs excellently (for a 250), no regrets here

Next mods will be the rear seat cowl (which should be here this week) and Puig smoke windscreen which I have already placed an order from bulletbikes. Man, riding my 250 and doing mods to it has become an addiction far worse than any drug could cause, haha.

2008 Lime Green Ninja 250R.
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post #2 of 16 (permalink) Old 04-23-2008, 12:36 AM
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awsome im gettin the same way just orderd a 15t front sproket and about to order a 43 rear, and then on the 1st a jet kit
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post #3 of 16 (permalink) Old 04-23-2008, 12:56 AM
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Post pictures when you get the windscreen, lots of us are dying to see what puig has to offer!
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post #4 of 16 (permalink) Old 04-23-2008, 12:59 AM
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why are you not interested in putting in pod filters? if you dont mind my asking... will it affect the bike for every day commutes? i use it around the city mostly but enjoy driving it like i stole it...
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post #5 of 16 (permalink) Old 04-23-2008, 01:40 AM Thread Starter
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Post pictures when you get the windscreen, lots of us are dying to see what puig has to offer!
Definitely, I will post pics when I get it.

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why are you not interested in putting in pod filters? if you dont mind my asking... will it affect the bike for every day commutes? i use it around the city mostly but enjoy driving it like i stole it...
From what I have read, pod filters don't make any more power, they just make more noise, and make it easier to make carb adjustments. Removing the airbox is a pain in the ass. I'd rather put my $100 elsewhere.

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post #6 of 16 (permalink) Old 04-23-2008, 02:02 AM
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Did Bulletbikes give you an ETA for the windscreen?
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post #7 of 16 (permalink) Old 04-23-2008, 02:16 AM
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i like noise, dont really care for power on the bike... but 100 bucks for each little mod keeps stacking up to lots of hundred bucks.. have to sleep on it for a while
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post #8 of 16 (permalink) Old 04-23-2008, 08:03 AM
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Sounds like you're enjoying working on it, DYI01. I'm considering doing the same thing. How did you determine what to do with the carbs as far as jets go?

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'08 Ninja 250R
'05 Suzuki SV650
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post #9 of 16 (permalink) Old 04-23-2008, 11:19 AM Thread Starter
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Did Bulletbikes give you an ETA for the windscreen?
No I havent heard any ETA on the part yet. I may give them a call soon and see what the deal is. I'm not in any rush and can wait for a quiality part.

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Sounds like you're enjoying working on it, DYI01. I'm considering doing the same thing. How did you determine what to do with the carbs as far as jets go?
Yea I thouroughly enjoy working on the bike, except the airbox As far as the jetting goes I went with the DynoJet recommended settings for the kit. For a snorkel removal and exhaust system they recommend #98 jet, needle on the middle setting, and 2.5 turns out on the mixture screws. It seems to be right on the money

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post #10 of 16 (permalink) Old 04-23-2008, 11:50 AM
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Excellent, thanks for the response and info.

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'08 Ninja 250R
'05 Suzuki SV650
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