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Forum: 2008 - 2012 Ninja 250R Tech Talk January 4th, 2022, 07:36 AM
Replies: 10
Views: 179
Posted By jkv45
I had contacted them with some questions about a...

I had contacted them with some questions about a product, and they got back to me right away with helpful info.

I'd definitely go with them for any R3 or Ninja race parts.
Forum: 2008 - 2012 Ninja 250R Tech Talk January 3rd, 2022, 02:19 PM
Replies: 10
Views: 179
Posted By jkv45
If I was going with a race cam, it would be from...

If I was going with a race cam, it would be from Spears.

They have a proven track record and know the Ninja best.
Forum: 2008 - 2012 Ninja 250R Tech Talk December 25th, 2021, 06:54 PM
Replies: 31
Views: 478
Posted By jkv45
It's also not widely known that the components of...

It's also not widely known that the components of the left and right carb are not the same on later carbed Ninjas.
Forum: 2008 - 2012 Ninja 250R Tech Talk December 25th, 2021, 10:28 AM
Replies: 31
Views: 478
Posted By jkv45
Open the floatbowl drains to confirm you have...

Open the floatbowl drains to confirm you have fuel in the floatbowls.

Hold back on the Starting Fluid, it's bad for plastic parts. If it sputters on Starting Fluid, you have proved what you want...
Forum: 1986 - 2007 Ninja 250R Tech Talk December 1st, 2021, 07:32 AM
Replies: 13
Views: 506
Posted By jkv45
Those flush-style signals were popular a while...

Those flush-style signals were popular a while ago (maybe 30 years?) and I believe they were based on Japanese home-market (or non-US) signals.

I had an '87 Ninja 750, and the GPX version had...
Forum: 1986 - 2007 Ninja 250R Tech Talk November 24th, 2021, 09:48 AM
Replies: 9
Views: 352
Posted By jkv45
I think I tried it once, and to my surprise - it...

I think I tried it once, and to my surprise - it worked its way out.
Forum: 1986 - 2007 Ninja 250R Tech Talk November 24th, 2021, 07:03 AM
Replies: 9
Views: 352
Posted By jkv45
Shim it as much as you can and still get it...

Shim it as much as you can and still get it together.

There doesn't need to be any "slack", just enough to get it assembled.

In case you haven't seen it -...
Forum: 2008 - 2012 Ninja 250R Tech Talk November 23rd, 2021, 07:35 AM
Replies: 18
Views: 491
Posted By jkv45
Just run a good synthetic oil, and don't worry...

Just run a good synthetic oil, and don't worry about high temps.

A water-cooled engine, with an operating cooling system, and synthetic oil can run extremely hot without any issues.
...
Forum: Ninjettes At Speed November 9th, 2021, 08:06 AM
Replies: 5
Views: 280
Posted By jkv45
The Mussleman Honda Circuit is out in the middle...

The Mussleman Honda Circuit is out in the middle of nowhere in AZ (Tucson), but it's part of a Motorsports Park area that includes a few other tracks. It's used mostly for karts, but also drifting -...
Forum: Ninjettes At Speed November 8th, 2021, 08:44 AM
Replies: 5
Views: 280
Posted By jkv45
Sitting in the airport in Tucson, for the trip...

Sitting in the airport in Tucson, for the trip back to WI.

The races went pretty well. There were 14 bikes in the Asphalt class, and he finished 3rd in both races the first day and 3rd and 4th...
Forum: 2018+ Ninja 400 Tech Talk November 8th, 2021, 08:18 AM
Replies: 30
Views: 1,021
Posted By jkv45
Just curious - where in IL are you located? ...

Just curious - where in IL are you located?

I lived in the Arlington Heights area for 20 years, about 10 years ago.
Forum: 1986 - 2007 Ninja 250R Tech Talk November 3rd, 2021, 08:13 AM
Replies: 33
Views: 577
Posted By jkv45
I wouldn't say that quite yet...

I wouldn't say that quite yet...
Forum: 1986 - 2007 Ninja 250R Tech Talk November 3rd, 2021, 07:56 AM
Replies: 33
Views: 577
Posted By jkv45
^THIS!!! If you have non-OEM jets in it already...

^THIS!!! If you have non-OEM jets in it already - throw them away.

I would add - I think your jetting is too rich overall. The adjustments of the Idle Mixture screws are only going to...
Forum: 2008 - 2012 Ninja 250R Tech Talk November 1st, 2021, 06:44 PM
Replies: 99
Views: 1,718
Posted By jkv45
If you have carb issues, and I think you do,...

If you have carb issues, and I think you do, sending them to ducatiman will solve your problems.
Forum: 2008 - 2012 Ninja 250R Tech Talk October 31st, 2021, 06:58 PM
Replies: 99
Views: 1,718
Posted By jkv45
I can't think of anything except the carbs, or...

I can't think of anything except the carbs, or fuel delivery problems, that would cause the issues you are having.

Something isn't right with the carbs. If the plugs are now dry, it suggests (to...
Forum: 2008 - 2012 Ninja 250R Tech Talk October 30th, 2021, 08:09 PM
Replies: 99
Views: 1,718
Posted By jkv45
It sounded like it wasn't getting fuel to me (as...

It sounded like it wasn't getting fuel to me (as he opened the throttle), but he did say the plugs were wet at one point, so that suggests the opposite.
Forum: 2008 - 2012 Ninja 250R Tech Talk October 30th, 2021, 07:57 PM
Replies: 99
Views: 1,718
Posted By jkv45
Does it seem like it's getting too much fuel, or...

Does it seem like it's getting too much fuel, or not enough, to you?
Forum: 2008 - 2012 Ninja 250R Tech Talk October 30th, 2021, 07:27 PM
Replies: 99
Views: 1,718
Posted By jkv45
That is odd. It seems, to me, from your videos,...

That is odd. It seems, to me, from your videos, that you are not getting any fuel except from the idle circuit - like the slides are not lifting when you open the throttle.

What does it do if you...
Forum: 2018+ Ninja 400 Tech Talk October 29th, 2021, 11:00 AM
Replies: 30
Views: 1,021
Posted By jkv45
What did you find out?

What did you find out?
Forum: 2008 - 2012 Ninja 250R Tech Talk October 29th, 2021, 10:45 AM
Replies: 99
Views: 1,718
Posted By jkv45
Did you remove the caps covering the idle mixture...

Did you remove the caps covering the idle mixture screws and remover the screws to clean the passages?

Rubber diaphragms in good condition? Slides manually rise and fall smoothly?
Forum: 2008 - 2012 Ninja 250R Tech Talk October 23rd, 2021, 08:32 PM
Replies: 29
Views: 521
Posted By jkv45
You should find more info about adding a resistor...

You should find more info about adding a resistor to an aftermarket ignition switch here with a search.

I thought DannoXYZ did a write-up on it at one point.

Most likely, that is the issue.
Forum: Ninjettes At Speed October 14th, 2021, 08:42 AM
Replies: 5
Views: 280
Posted By jkv45
2021 AMA Supermoto Nationals

Anyone planning to go to the 2021 AMA Supermoto National Championship in Tucson next month (Nov)?

Got drafted as Crew Chief for my son and his CRF150R and 450R Supermotos.

Older photo, before...
Forum: 1986 - 2007 Ninja 250R Tech Talk October 11th, 2021, 07:18 AM
Replies: 11
Views: 370
Posted By jkv45
As suggested by others - learn to do it yourself....

As suggested by others - learn to do it yourself.

You need to know how to work on your cycle, and what to look for before it becomes a safety issue.

It's not hard, and if Danno will help you -...
Forum: 1986 - 2007 Ninja 250R Tech Talk October 11th, 2021, 07:09 AM
Replies: 17
Views: 495
Posted By jkv45
A shock from a 2008-2012 Ninja 250 is an...

A shock from a 2008-2012 Ninja 250 is an inexpensive replacement and drops right in.

It is longer, and has preload adjustment - plus they are cheap. Not sure about anything newer (300), but we...
Forum: 2018+ Ninja 400 Tech Talk October 11th, 2021, 07:04 AM
Replies: 30
Views: 1,021
Posted By jkv45
You need to get the cycle back and confirm,...

You need to get the cycle back and confirm, absolutely, that the engine is seized. Did they prove to you that was the case?

Once you have it, let us know and someone here will walk you through...
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