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September 26th, 2013, 03:29 PM
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#1 |
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ninjette.org guru
Name: Kevin
Location: Madison
Join Date: Apr 2013 Motorcycle(s): 2004 Ninja 250 Posts: 465
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To drill or not to drill, that is the question
I currently have the carbs of my ninjette to change jetting etc and am wondering about drilling the slides. I have heard both good and bad things about it. Better throttle response but also flat spots. What do you guys think?
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September 26th, 2013, 03:53 PM
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#2 |
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sail away
Name: Jon
Location: San Jose
Join Date: Jul 2012 Motorcycle(s): gixxer (sold), ninjette (upgrade!) Posts: 964
Blog Entries: 8
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not drill sir.
__________________________________________________
Unregistered found this post helpful. Track Day Preparation Checklist 1. Financial 2. Mental 3. Physical 4. Gear / Bike |
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September 26th, 2013, 04:11 PM
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#4 |
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ninjette.org certified postwhore
Name: .
Location: .
Join Date: Feb 2011 Motorcycle(s): . Posts: Too much.
MOTM - Feb '13, Feb '14
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^^ actually, that's not really true. I switched back. The ecotrons pulled, revved, and responded (oh good lord, that midrange was sweet) well, but the carbs pull just as well (if not a tad better when tuned right) and are more reliable for worry-free long trips.
 anyhow, I vote not to drill, or at least not to drill until you can get smaller bits (#80 or #90 even) because of the issues I told you I had with mine in PM's. |
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September 26th, 2013, 04:30 PM
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#5 | |
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Daily Ninjette rider
Name: Hernan
Location: Florida
Join Date: Mar 2011 Motorcycle(s): 2007 Ninja 250 Posts: A lot.
MOTY - 2016, MOTM - Dec '12, Jan '14, Jan '15, May '16
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Quote:
Reason: some inertia in the pressure changes and movement of the diaphragms is desirable, .......or so I believe. Rule of thumb: Performance mods almost invariably make a car or bike less usable as a street vehicle.
__________________________________________________
Motofool  .................................Never ride faster than your guardian angel can fly "Mankind is composed of two sorts of men — those who love and create, and those who hate and destroy. Love is the bond between men, the way to teach and the center of the world." - José Martí |
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September 26th, 2013, 07:43 PM
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#6 |
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ninjette.org guru
Name: Kevin
Location: Madison
Join Date: Apr 2013 Motorcycle(s): 2004 Ninja 250 Posts: 465
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I could probably get some really tiny bits fairly easily. But im kinda torn here. The CV throttle response is pretty lazy right now. I'm not impressed
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September 26th, 2013, 08:00 PM
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#7 |
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Rev Limiter
Name: Jay
Location: WI
Join Date: Jul 2013 Motorcycle(s): '06 SV650n, '00 Derbi GPR, '64 CA77 Dream 305, '70 CL450 Scrambler, numerous dirt bikes Posts: A lot.
MOTM - Jun '18, Oct '16
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Anyone make lighter springs for the slides?
I'm thinking that would be a better way to tune the speed of lift over drilling. I agree with Motofool - "Rule of thumb: Performance mods almost invariably make a car or bike less usable as a street vehicle." |
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