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October 19th, 2011, 07:25 PM
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#1 |
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ninjette.org member
Name: Aaron
Location: Berkeley CA
Join Date: Oct 2011 Motorcycle(s): 2012 Ninja 250r Posts: 38
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New 2012 Ninja 250
Hey guys so I just bought a 2012 candy lime green ninja 250 and i couldnt be happier with it. I realize there is a section for this and i posted there too i just need some advice ASAP! So I decided to remove the snorkel and shim the carb needles today and I am having some issues. I removed the snorkel yesterday and today i dug into the carbs. First I used 2 washers per carb and upon test drive I felt it was way too rich. It would bog down and stall at anything under 4-5 thousand rpms and anything under 1/2 throttle. the engine was fully warmed. so i went down to 1 washer and it made a huge difference but still it still is bogging around 3-4 thousand rpms unless i pretty much go WOT. The bike ran MUCH better yesterday with only the snorkel pulled. After reading all the success stories people have had with this mod i was a little confused and also concerned about running the bike with stock carbs and with the snorkel pulled. Ive decided that tomorrow Im gonna go back to stock carbs but cant stop thinking that riding with only the snorkel pulled might damage the engine if its running too lean. Im a new rider so I really dont know. I guess i could be one of the rare cases where the shimming mod doesnt work. So if anyone has any ideas or comments I would be very greatful. I guess my main question is if it would be ok to run the totally stock bike with only the snorkel removed ( I love the sound) Or if i will be forced to go back to completly stock. Sucks cuz i really wanted this mod to kick as much ass as everyone is saying. Thanks in advance!
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October 19th, 2011, 07:40 PM
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#2 |
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#squid
Name: nickypoo
Location: Five Guys
Join Date: Jul 2011 Motorcycle(s): Track dedicated 2008 ZX6R Posts: A lot.
MOTM - Jul '16
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 Nice bike. Can't help you with your mod 
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October 19th, 2011, 07:42 PM
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#3 |
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ninjette.org member
Name: Aaron
Location: Berkeley CA
Join Date: Oct 2011 Motorcycle(s): 2012 Ninja 250r Posts: 38
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cool
Hey thanks for the kind words bro!
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October 19th, 2011, 07:52 PM
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#4 |
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#squid
Name: nickypoo
Location: Five Guys
Join Date: Jul 2011 Motorcycle(s): Track dedicated 2008 ZX6R Posts: A lot.
MOTM - Jul '16
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October 19th, 2011, 08:22 PM
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#5 |
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ninjette.org member
Name: Haley
Location: Kingsport, TN
Join Date: Oct 2011 Motorcycle(s): 2008 Ninja 250r Candy Plasma Blue Posts: 43
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love the bike.. and LOVE the color. congrats
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fear nothing <3 |
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October 19th, 2011, 08:36 PM
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#6 |
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ninjette.org member
Name: United States
Location: oklahoma city, ok
Join Date: Oct 2011 Motorcycle(s): ninja 250r, crf 50 Posts: 120
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maybe they fixed the lean condition for 2012 models?
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October 19th, 2011, 08:47 PM
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#7 |
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ninjette.org member
Name: Aaron
Location: Berkeley CA
Join Date: Oct 2011 Motorcycle(s): 2012 Ninja 250r Posts: 38
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thats what i was thinking anyways i dunno ill do some more tinkering tommorw and post back. also wondering if there is any damage i could do to the motor my running super rich for a few miles while testing. any input?
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October 19th, 2011, 08:51 PM
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#8 |
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ninjette.org member
Name: United States
Location: oklahoma city, ok
Join Date: Oct 2011 Motorcycle(s): ninja 250r, crf 50 Posts: 120
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running rich long term would cause excessive carbon build up, foul plugs.. unless something you do makes it extremely lean i wouldn't worry about playing around with those washers.
have you taken a micrometer to the washers to measure thickness? just a thought because i know they do vary some. |
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October 19th, 2011, 08:52 PM
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#9 |
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ninjette.org member
Name: Aaron
Location: Berkeley CA
Join Date: Oct 2011 Motorcycle(s): 2012 Ninja 250r Posts: 38
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i havent done that but i got my assorted washer set from radioshack as suggested in these forums so i assume they are ok
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October 19th, 2011, 09:26 PM
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#10 |
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ninjette.org member
Name: Aaron
Location: Berkeley CA
Join Date: Oct 2011 Motorcycle(s): 2012 Ninja 250r Posts: 38
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hey just out of my own curiosity and for future modding if I ever do something to run extremely lean how much riding would need to be done for engine damage? from what i understand running lean makes your engine run hotter so if the engine is run for lets say 30 minutes super lean but the fan never kicks in is it still ok?
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October 19th, 2011, 10:04 PM
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#11 |
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Name: ...
Location: ...
Join Date: May 2009 Motorcycle(s): ... Posts: 999
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Welcome to the 250 party.
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October 19th, 2011, 10:09 PM
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#12 |
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ninjette.org certified postwhore
Name: Ken
Location: Indio, CA
Join Date: Dec 2008 Motorcycle(s): '08 Kawasaki EX250 "Yoshi", '99 Kawasaki Concours "Grace", '06 Concours "Belle", '06 Yamaha YZF600R "Slick" Posts: A lot.
Blog Entries: 3
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< ATGATT > Sweat you can wipe off, Road rash you can't. HEY!! Unregistered!! Does your bike have a name? 
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October 20th, 2011, 12:49 AM
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#13 |
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KThanksBye
Name: Kevin
Location: Orange County
Join Date: Mar 2011 Motorcycle(s): 2006 zx636r Posts: A lot.
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Welcome!
Let me know if you need an extra hand. I would consider myself a 250 carb master at this point  I can swing by also, im closeish
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----> My Youtube! <---- Unregistered, watch my youtube page! 
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October 20th, 2011, 07:31 AM
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#14 |
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ninjette.org member
Name: Aaron
Location: Berkeley CA
Join Date: Oct 2011 Motorcycle(s): 2012 Ninja 250r Posts: 38
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wow thats cool of you to offer man where do you live?
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October 20th, 2011, 08:38 AM
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#15 |
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KThanksBye
Name: Kevin
Location: Orange County
Join Date: Mar 2011 Motorcycle(s): 2006 zx636r Posts: A lot.
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I'm in Tustin/Santa Ana
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----> My Youtube! <---- Unregistered, watch my youtube page!
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October 20th, 2011, 09:20 AM
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#16 |
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ninjette.org member
Name: Aaron
Location: Berkeley CA
Join Date: Oct 2011 Motorcycle(s): 2012 Ninja 250r Posts: 38
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wow dude thats pretty far from me Im in the SanFrancisco bay area!
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October 20th, 2011, 09:27 AM
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#17 |
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KThanksBye
Name: Kevin
Location: Orange County
Join Date: Mar 2011 Motorcycle(s): 2006 zx636r Posts: A lot.
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I'm going to have to retract my last offer
 lol I guess I think of SF as almost norcal, so I see socal and think it's close Posted via Mobile Device |
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October 20th, 2011, 09:48 AM
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#18 |
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ninjette.org member
Name: Aaron
Location: Berkeley CA
Join Date: Oct 2011 Motorcycle(s): 2012 Ninja 250r Posts: 38
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lol yea thats what i was thinking sf is totally norcal your about 7-8 hours away!
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October 20th, 2011, 11:20 AM
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#19 |
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Ninjette wanabe :D
Name: Ruslan
Location: San Jose
Join Date: Apr 2011 Motorcycle(s): white 300 :D Posts: A lot.
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welcome beautiful bike :]
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VROOOM vrooom >.> |
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October 27th, 2011, 02:09 AM
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#20 |
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ninjette.org certified postwhore
Name: Rick
Location: Alexandria, Louisiana
Join Date: Jan 2009 Motorcycle(s): 05 Blue Ninja 250 Posts: Too much.
MOTY - 2017, MOTM - Jan '19, Oct '16, May '14
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Hello and welcome.
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October 28th, 2011, 11:24 AM
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#21 |
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ninjette.org member
Name: David
Location: Arvada
Join Date: Apr 2011 Motorcycle(s): 2010 Ninja 250r Track bike, Honda CRF250r Dirt bike Posts: 137
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Sweet color!
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November 3rd, 2011, 07:56 PM
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#22 |
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Blue Shell magnet
Name: Nolan
Location: Northwest Washington
Join Date: Aug 2011 Motorcycle(s): 1997 Ninja 250 Posts: 816
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November 3rd, 2011, 08:02 PM
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#23 |
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ninjette.org certified postwhore
Name: Eric
Location: Nashville, TN
Join Date: Oct 2011 Motorcycle(s): 2009 CBR600rr Posts: A lot.
Blog Entries: 1
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I'm wondering about your shimming on the 2012, as I just got a 2012 and people are telling me I should shim the needles.
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November 4th, 2011, 12:09 AM
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#24 |
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ninjette.org guru
Name: Edd
Location: Los Angeles-CALI
Join Date: Aug 2011 Motorcycle(s): 2011 SE Pearl/Ebony Ninja 250R Posts: 376
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I really like the color of that green 2012! Nice bike! Keep the rubber side down
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[#4] 
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November 4th, 2011, 01:45 AM
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#25 |
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Deep inside...your mind..
Name: Jeremy
Location: Yucaipa
Join Date: Mar 2011 Motorcycle(s): 2005 Ninja Zx6r 636 Posts: 110
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Come on Kevin....road trip to San Fran!
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Nothing is true, everything is permitted. |
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November 4th, 2011, 08:59 AM
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#26 |
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ninjette.org member
Name: Aaron
Location: Berkeley CA
Join Date: Oct 2011 Motorcycle(s): 2012 Ninja 250r Posts: 38
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hey guys thx again for the nice comments. im having tons of fun on this thing i simply love it. @ saxnbass the shimming did end up working out great the bike runs better than ever. Turns out i was initially using the wrong size washers like a noob. 2 #4 washers under each needle and the snorkel removed on my 2012 worked wonders. super easy mod (just be careful not to strip the carb cover screws).
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November 4th, 2011, 09:07 AM
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#27 |
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ninjette.org guru
Name: Nick
Location: Brooklyn
Join Date: Sep 2011 Motorcycle(s): :( Posts: 275
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Welcome!
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November 4th, 2011, 09:29 AM
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#29 |
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ninjette.org member
Name: Aaron
Location: Berkeley CA
Join Date: Oct 2011 Motorcycle(s): 2012 Ninja 250r Posts: 38
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i originally used #6 washers by mistake because i didnt even notice the # 2 washers in the assorted washer pack from radio shack so i originally thought that the #6 washers were actually #4 washers. I was soon obviously incorrect and once i dug back into the bag i noticed the microscopic #2 washers. So #4 washers are the correct ones. The assorted washer pack at radio shack is $2.15 so super cheap.
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November 4th, 2011, 03:27 PM
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#31 |
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ninjette.org member
Name: Aaron
Location: Berkeley CA
Join Date: Oct 2011 Motorcycle(s): 2012 Ninja 250r Posts: 38
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yea thats all i know #4 washer. it measures 3mm around the edges. the washer is quite tiny. If there is a radioshack anywhere near you i would suggest just going there to play it safe. it is also available on their website. http://www.radioshack.com/product/in...ductId=2103391
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