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Forum: Items Wanted November 29th, 2021, 07:56 PM
Replies: 11
Views: 204
Posted By ducatiman
by requesting the pregen part # for use in a...

by requesting the pregen part # for use in a newgen carb, you're inviting receiving the wrong part for the application
Forum: Items Wanted November 29th, 2021, 12:37 PM
Replies: 11
Views: 204
Posted By ducatiman
Beware what you are requesting here. You...

Beware what you are requesting here.
You posted "these carbs are from a Newgen" ...however the part # you specifically request 16017-1326 is actually used in pregens 88-07.

Newgen ('08-12) use...
Forum: 1986 - 2007 Ninja 250R Tech Talk November 29th, 2021, 07:52 AM
Replies: 180
Views: 16,475
Posted By ducatiman
Within my service I utilize a gravity fed wet...

Within my service I utilize a gravity fed wet test for checking/setting fuel levels on various design carb sets. Note board is upside down? Flip it, its setup for EX500 and Ducati/Mikuni. Done during...
Forum: 1986 - 2007 Ninja 250R Tech Talk November 28th, 2021, 09:36 AM
Replies: 180
Views: 16,475
Posted By ducatiman
Admittedly, Bob, I've (long ago) reached...

Admittedly, Bob, I've (long ago) reached "benchmarks" within my carb processes through the use of unwavering, standardized, effective methods.

Certain "as received" variations of condition can...
Forum: 2008 - 2012 Ninja 250R Tech Talk November 27th, 2021, 08:16 AM
Replies: 98
Views: 1,262
Posted By ducatiman
Detrailers reports to me the subject 250 now...

Detrailers reports to me the subject 250 now "running perfect" via email, though I'm not sure whether he made changes to main jets. He's invited to clarify in order to close out the thread here.
Forum: 1986 - 2007 Ninja 250R Tech Talk November 24th, 2021, 12:21 PM
Replies: 180
Views: 16,475
Posted By ducatiman
a set of fi' hunnerts finalized today.

a set of fi' hunnerts finalized today.
Forum: 2008 - 2012 Ninja 250R Tech Talk November 20th, 2021, 09:11 AM
Replies: 98
Views: 1,262
Posted By ducatiman
Detrailers....your carbs in the hands of USPS as...

Detrailers....your carbs in the hands of USPS as of 30 minutes ago.

Note difference in needle jet heights between these 2 pics. The additional 40-50% created an obvious problem.

You may want...
Forum: 1986 - 2007 Ninja 250R Tech Talk November 16th, 2021, 05:41 PM
Replies: 180
Views: 16,475
Posted By ducatiman
after service additional problems found...

after service

additional problems found (beyond the obvious extensive varnish):
- 1 clogged pilot jet
- needles were incorrectly installed (left and right were juxtaposed, now corrected)
-...
Forum: 1986 - 2007 Ninja 250R Tech Talk November 16th, 2021, 10:40 AM
Replies: 180
Views: 16,475
Posted By ducatiman
Todays victims...currently wrestling with an...

Todays victims...currently wrestling with an exceptionally bitchy 250 carbset. Why oh why must both bowl and top cover screws be overtightened to the point where a dremel is necessary to remove...
Forum: 1986 - 2007 Ninja 250R Tech Talk November 15th, 2021, 11:07 AM
Replies: 180
Views: 16,475
Posted By ducatiman
^ superb, anxiously awaiting to finalize your...

^ superb, anxiously awaiting to finalize your carbset
Forum: 1986 - 2007 Ninja 250R Tech Talk November 15th, 2021, 10:54 AM
Replies: 180
Views: 16,475
Posted By ducatiman
while awaiting delivery of 2nd needle jet on ...

while awaiting delivery of 2nd needle jet on Detrailers carbset, I knocked off a full service on these pregens today. Came out nice, should be fine runners.
Forum: 1986 - 2007 Ninja 250R Tech Talk November 14th, 2021, 07:48 AM
Replies: 17
Views: 443
Posted By ducatiman
Agreed....more members should be performing this...

Agreed....more members should be performing this super important, critical service, rather than blowing it off!

If I may add...I prefer using the looser end of spec on exhaust valves as they...
Forum: General Motorcycling Discussion November 13th, 2021, 07:13 AM
Replies: 214
Views: 3,137
Posted By ducatiman
I call bs on this one. Woulda, coulda, shoulda...

I call bs on this one. Woulda, coulda, shoulda sent me the carbs for a pro clean.
Forum: 2008 - 2012 Ninja 250R Tech Talk November 10th, 2021, 05:48 AM
Replies: 10
Views: 267
Posted By ducatiman
Why you ask now about carb removal? pilot...

Why you ask now about carb removal?

pilot screws require to be adjusted with carbs in place, running, and temp full hot, no?
Forum: 1986 - 2007 Ninja 250R Tech Talk November 9th, 2021, 07:07 PM
Replies: 19
Views: 445
Posted By ducatiman
having replacement pilot screw orings on hand may...

having replacement pilot screw orings on hand may be a wise idea as well.
Forum: 2008 - 2012 Ninja 250R Tech Talk November 9th, 2021, 06:11 PM
Replies: 98
Views: 1,262
Posted By ducatiman
thank you for positive comment, DannoXYZ

thank you for positive comment, DannoXYZ
Forum: 1986 - 2007 Ninja 250R Tech Talk November 9th, 2021, 04:28 PM
Replies: 19
Views: 445
Posted By ducatiman
Aside from resetting the screw...

Aside from resetting the screw adjustments.......you've neglected a critical carb passageway there.
Forum: 2008 - 2012 Ninja 250R Tech Talk November 9th, 2021, 02:31 PM
Replies: 98
Views: 1,262
Posted By ducatiman
I've done all prep work possible while awaiting...

I've done all prep work possible while awaiting delivery of correct needle jets.
Just a tweak to 1 side to set fuel level, wet testing revealed no leaks, external or internal. Perfect slide action....
Forum: 1986 - 2007 Ninja 250R Tech Talk November 9th, 2021, 01:04 PM
Replies: 19
Views: 445
Posted By ducatiman
your '07 should have a 38 pilot, no?

your '07 should have a 38 pilot, no?
Forum: 1986 - 2007 Ninja 250R Tech Talk November 6th, 2021, 01:25 PM
Replies: 10
Views: 466
Posted By ducatiman
soopa!

soopa!
Forum: 2008 - 2012 Ninja 250R Tech Talk November 6th, 2021, 06:07 AM
Replies: 98
Views: 1,262
Posted By ducatiman
Immediately found totally incorrect, mismatched...

Immediately found totally incorrect, mismatched needle jets installed from an entirely different, unknown carb set. Notice placement of stopper ring?

Pic 1 "found" needle jet on left, on right a...
Forum: Motorcycle-related November 3rd, 2021, 04:40 PM
Replies: 0
Views: 158
Posted By ducatiman
fs '88-'07 refurbed CARBSET #99...yes another

My #99 are carefully REFURBED to stock specs, 105 main jets, 38 pilot jets, N16I needles, pilot screws set to 2.5 turns out
(note condition of restored OEM brass tuning components)

Perfect to...
Forum: 1986 - 2007 Ninja 250R Tech Talk November 3rd, 2021, 12:55 PM
Replies: 33
Views: 456
Posted By ducatiman
^ though the above kit will not prevent...

^ though the above kit will not prevent circuit/jet varnishing. I've currently got that set here as an upgrade/option within my service.
Forum: 2008 - 2012 Ninja 250R Tech Talk October 31st, 2021, 04:44 PM
Replies: 29
Views: 414
Posted By ducatiman
1. Is the petcock supposed to allow fuel to...

1. Is the petcock supposed to allow fuel to freely flow when set to on? From what I've read it's not supposed to.

posted earlier in thread by culprit
Forum: 1986 - 2007 Ninja 250R Tech Talk October 31st, 2021, 04:23 PM
Replies: 108
Views: 2,606
Posted By ducatiman
see ronayers.com or partzilla for partsbook...

see ronayers.com or partzilla for partsbook breakdowns by model/year
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