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Forum: General Motorcycling Discussion Yesterday, 09:10 PM
Replies: 64
Views: 1,225
Posted By DannoXYZ
You monster! Snapping bolt heads!!

You monster! Snapping bolt heads!!
Forum: 2008 - 2012 Ninja 250R Tech Talk Yesterday, 04:20 PM
Replies: 7
Views: 109
Posted By DannoXYZ
PRI is ON full-time ON only flows when vaccum...

PRI is ON full-time
ON only flows when vaccum from carbs is applied to petcock.

If you're overwhelming your float-valves, extra petrol would drip downhill, into engine.

Make sure clear vent...
Forum: 2008 - 2012 Ninja 250R Tech Talk Yesterday, 04:15 PM
Replies: 12
Views: 88
Posted By DannoXYZ
You'll want to time 0-66mph on dash to account...

You'll want to time 0-66mph on dash to account for speedo error.

You might have other issues. Redline is 13k on this bike...
What's part# on ignition box?
Forum: General Motorcycling Discussion July 4th, 2022, 03:46 PM
Replies: 12
Views: 313
Posted By DannoXYZ
I assume you have in-line filtre? So we can rule...

I assume you have in-line filtre? So we can rule out carb-inlets as source of crud.

Which leaves carb-outlets as cause of issues. How large is vent for atmospheric pressure? It only needs to be...
Forum: 2008 - 2012 Ninja 250R Tech Talk July 4th, 2022, 03:42 PM
Replies: 7
Views: 109
Posted By DannoXYZ
Make sure you get OEM factory carb rebuild kit....

Make sure you get OEM factory carb rebuild kit. Aftermarket ones often don't have proper components and poor quality seals.

search on here for "clean carbs ducatiman" for procedures and photos on...
Forum: 2008 - 2012 Ninja 250R Tech Talk July 4th, 2022, 03:10 PM
Replies: 12
Views: 88
Posted By DannoXYZ
BTW - overly rich fuel-mixtures, in addition to...

BTW - overly rich fuel-mixtures, in addition to robbing you of power, quenches and cools combustion and gives smoother output. Which lots of people think is more powerful. Nope...

When tuned for...
Forum: 2008 - 2012 Ninja 250R Tech Talk July 4th, 2022, 02:31 PM
Replies: 12
Views: 88
Posted By DannoXYZ
Note jetting for pre-gen bikes is completely...

Note jetting for pre-gen bikes is completely different than new-gen. There's two performance variables you may be able to distinguish:

acceleration - function of torque vs. weight. IF bike had...
Forum: 2008 - 2012 Ninja 250R Tech Talk July 4th, 2022, 01:23 PM
Replies: 12
Views: 88
Posted By DannoXYZ
Reading plugs is ancient art-form, like reading...

Reading plugs is ancient art-form, like reading tea-leaves. It's an average of every single combustion event plug has experienced from 1st installation. So to do it accurately with useable results,...
Forum: 1986 - 2007 Ninja 250R Tech Talk July 3rd, 2022, 09:21 PM
Replies: 3
Views: 74
Posted By DannoXYZ
Yeah, lubing is key. I use one those spray...

Yeah, lubing is key. I use one those spray adapters to rinse out and lube cable during off-season.
Forum: 1986 - 2007 Ninja 250R Tech Talk July 3rd, 2022, 04:54 PM
Replies: 13
Views: 203
Posted By DannoXYZ
Hmm, that's no good. Might need 1K-ohm resistor...

Hmm, that's no good. Might need 1K-ohm resistor in-line to clean up signal.
Forum: New Members July 3rd, 2022, 04:51 PM
Replies: 11
Views: 350
Posted By DannoXYZ
Which fuse was blown? Unless you buy brand-new...

Which fuse was blown? Unless you buy brand-new harness from authorised Kawi dealer, any harness you get will be used and unknown which needs testing. Much simpler to test and fix one on bike because...
Forum: Ninjettes At Speed July 3rd, 2022, 04:48 PM
Replies: 108
Views: 3,765
Posted By DannoXYZ
Yeah, optimising gearing really helps. I usually...

Yeah, optimising gearing really helps. I usually set to redline in top-gear at end of fastest straight. Even with 25% more power than stock, I usually lower gearing by -10-15%. Depending upon track.
Forum: 1986 - 2007 Ninja 250R Tech Talk July 3rd, 2022, 04:44 PM
Replies: 38
Views: 631
Posted By DannoXYZ
You can use acetone to remove water. It's both...

You can use acetone to remove water. It's both polar and non-polar solvent.

Can leave petcock screen in tank, won't hurt anything. Use external inline filtre so you can regular inspect how clogged...
Forum: 2008 - 2012 Ninja 250R Tech Talk July 3rd, 2022, 04:36 PM
Replies: 13
Views: 225
Posted By DannoXYZ
Transmission is built into engine case. It swaps...

Transmission is built into engine case. It swaps in with engine.
Forum: 1986 - 2007 Ninja 250R Tech Talk July 2nd, 2022, 10:04 PM
Replies: 3
Views: 74
Posted By DannoXYZ
Yes, I've used Motion Pro clutch cable and have...

Yes, I've used Motion Pro clutch cable and have spare one in my toolbox. Works just fine! I've been trying to find one with teflon-lined housing, but no luck yet. Might have to fit an MTB brake-cable...
Forum: Ninjettes At Speed July 2nd, 2022, 10:01 PM
Replies: 108
Views: 3,765
Posted By DannoXYZ
Yup, lots of repetition and many, many laps! ...

Yup, lots of repetition and many, many laps!
Seen that doc "Winning" about Paul Newman?
Forum: New Members July 2nd, 2022, 10:00 PM
Replies: 4
Views: 48
Posted By DannoXYZ
Welcome Terry! :wave: Amazing to hear about...

Welcome Terry! :wave:

Amazing to hear about your journey! These bikes will keep you young!!!
Forum: New Members July 2nd, 2022, 09:58 PM
Replies: 6
Views: 83
Posted By DannoXYZ
Greetings & Salutations Milton!!! :wave: ...

Greetings & Salutations Milton!!! :wave:

Let's see some photos of your bike!:)
Forum: 2008 - 2012 Ninja 250R Tech Talk June 30th, 2022, 06:11 PM
Replies: 11
Views: 44,381
Posted By DannoXYZ
Hi and welcome! :wave: You'll need to get...

Hi and welcome! :wave:

You'll need to get wiring-diagram and determine if '96 ZX750 has similar ignition-switch wiring as '95+ Ninja 250.

Here's some photos and diagrams on these threads that...
Forum: Ninjettes At Speed June 29th, 2022, 04:12 PM
Replies: 108
Views: 3,765
Posted By DannoXYZ
Here's how you find compatible sprockets: 1....

Here's how you find compatible sprockets:

1. download JT's sprocket catalogue (http://www.jtsprockets.com/fileadmin/files/JT%20Sprockets%20Application%20Guide%202021.pdf).

2. look up Ninja 250...
Forum: Ninjettes At Speed June 29th, 2022, 04:06 PM
Replies: 108
Views: 3,765
Posted By DannoXYZ
Woohoo!!! That's awesome!!!...

Woohoo!!! That's awesome!!! :clapping::bounce::D:thumbup:
Forum: 1986 - 2007 Ninja 250R Tech Talk June 27th, 2022, 03:12 PM
Replies: 38
Views: 631
Posted By DannoXYZ
If you look at diagram of hidden secret passages:...

If you look at diagram of hidden secret passages: http://n4mwd.blogspot.com/2013/10/secret-ninja-250-carburetor-passages.html

You'll see there's many right-angle branches inside carb body. Can't...
Forum: 1986 - 2007 Ninja 250R Tech Talk June 27th, 2022, 01:01 PM
Replies: 24
Views: 254
Posted By DannoXYZ
ah.... the early days. so much fun! I did...

ah.... the early days. so much fun!
I did 46-days @ track my 1st season (includes 7 race weekends).
chopped off 30-sec from my lap-times
used single set of BT-45 tyres that came on bike entire...
Forum: 1986 - 2007 Ninja 250R Tech Talk June 27th, 2022, 12:55 PM
Replies: 38
Views: 631
Posted By DannoXYZ
new inline filter between tank & carbs? did you...

new inline filter between tank & carbs?
did you scrub hidden secret carb passages with brushes?
separate carbs & replace fuel-rail O-rings?
poke out all bleed holes in emulsion tubes & pilot screw...
Forum: Ninjettes At Speed June 25th, 2022, 10:51 AM
Replies: 108
Views: 3,765
Posted By DannoXYZ
Thanks James! You've got awesome build, I've...

Thanks James! You've got awesome build, I've gotten some inspiration & ideas from it! :wave:

You can pretty much fit any wheels you want:

1. custom spacers to mount wheels centred.
2. adjust...
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