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Forum: 1986 - 2007 Ninja 250R Tech Talk Today, 07:35 AM
Replies: 5
Views: 34
Posted By jkv45
You want to remove the caps, screws w/o-rings and...

You want to remove the caps, screws w/o-rings and washers, and clean the passages. Also remove the Pilot Jets and clean them carefully.

Geneally 2.5 turns out is a good starting point, and...
Forum: 2008 - 2012 Ninja 250R Tech Talk Yesterday, 06:22 AM
Replies: 5
Views: 112
Posted By jkv45
Just leave that set where it is right now. After...

Just leave that set where it is right now. After you make the idle mixture adjustments, which will alter the rpms, you will use it to set the correct idle speed when hot.

Some carb info to read...
Forum: 2008 - 2012 Ninja 250R Tech Talk October 17th, 2018, 12:11 PM
Replies: 5
Views: 112
Posted By jkv45
How fresh is the gas? Summer-blend gas doesn't...

How fresh is the gas? Summer-blend gas doesn't vaporize well as air temps drop.

Did it sit for a while with a low level of fuel in the tank? Condensation can form and cause starting and running...
Forum: Ninjettes At Speed October 15th, 2018, 09:49 AM
Replies: 15
Views: 160
Posted By jkv45
Have you seen this Frank? ...

Have you seen this Frank?

https://www.spearsenterprises.com/415-chain-kits.html
Forum: General Motorcycling Discussion October 13th, 2018, 05:34 PM
Replies: 8
Views: 170
Posted By jkv45
New R3 - ...

New R3 -

https://www.cycleworld.com/yamaha-yzf-r3-gets-upgraded-for-2019#page-6

USD forks and updated bodywork - in line with the other R-bikes. Much better looking and reportedly gained a...
Forum: 1986 - 2007 Ninja 250R Tech Talk October 12th, 2018, 01:23 PM
Replies: 15
Views: 182
Posted By jkv45
Do you have a number for the LED replacements for...

Do you have a number for the LED replacements for the "wedge type" bulbs?

Did you get them from Superbrightleds.com also?

The bike of mine that really needs LED replacement headlight bulbs is...
Forum: 1986 - 2007 Ninja 250R Tech Talk October 12th, 2018, 09:11 AM
Replies: 15
Views: 182
Posted By jkv45
That looks like a decent bulb. I have an...

That looks like a decent bulb.

I have an older type with a fan that's been in about 3 years now.

My bike ('06 SV650n) has had issues with overheating wiring connectors and the H4 plug, so the...
Forum: 1986 - 2007 Ninja 250R Tech Talk October 12th, 2018, 08:57 AM
Replies: 3
Views: 91
Posted By jkv45
Just follow the negative wire from the battery to...

Just follow the negative wire from the battery to the frame.

Are you certain the "new" battery is good and fully charged?

That's typically what they do when they have a dead battery, but poor...
Forum: 1986 - 2007 Ninja 250R Tech Talk October 11th, 2018, 04:18 PM
Replies: 29
Views: 330
Posted By jkv45
Because of the condition of the tank I'd say you...

Because of the condition of the tank I'd say you would definitely want a filter of some kind.

If you think you can fit the cover yourself I'd say a cover might be better than trying to find a...
Forum: 1986 - 2007 Ninja 250R Tech Talk October 11th, 2018, 06:23 AM
Replies: 29
Views: 330
Posted By jkv45
Do some searching to see if you can find it with...

Do some searching to see if you can find it with more reasonable shipping, and probably buy a couple.

Small stuff like that is usually worth paying more for (list price) at the dealer and not...
Forum: 1986 - 2007 Ninja 250R Tech Talk October 10th, 2018, 01:14 PM
Replies: 29
Views: 330
Posted By jkv45
Shouldn't be any paint in there. Most likely a...

Shouldn't be any paint in there. Most likely a sealer. Chances are that's blocking the screens on the petcock, and underneath it is rust.
Forum: 1986 - 2007 Ninja 250R Tech Talk October 10th, 2018, 12:47 PM
Replies: 29
Views: 330
Posted By jkv45
The filter and line routing may be causing enough...

The filter and line routing may be causing enough restriction to give you the fuel-starving problems you are having (pic 10). The line is bending quite a bit from the petcock to the filter. There...
Forum: 1986 - 2007 Ninja 250R Tech Talk October 10th, 2018, 09:55 AM
Replies: 29
Views: 330
Posted By jkv45
Here's some more info and part numbers for the...

Here's some more info and part numbers for the filter from our very own ducatiman (shown on EX500 carbs, but the same part) -...
Forum: General Motorcycling Discussion October 8th, 2018, 06:57 AM
Replies: 79
Views: 1,019
Posted By jkv45
Congrats Eric! I see your new Avatar is from...

Congrats Eric!

I see your new Avatar is from the Arkansas Mile.
Forum: 2008 - 2012 Ninja 250R Tech Talk October 5th, 2018, 06:31 AM
Replies: 8
Views: 235
Posted By jkv45
You will find aftermarket "pod filters" to...

You will find aftermarket "pod filters" to replace the stock airbox and filter, but not an aftermarket airbox.

In general it's going to cause you more work and some time tuning to get it to run...
Forum: General Motorcycling Discussion October 4th, 2018, 08:19 AM
Replies: 71
Views: 8,834
Posted By jkv45
As I understand it, sometimes the valve seats...

As I understand it, sometimes the valve seats will recess into the head. Would that explain your situation?

There is a thread here somewhere where a employee of APE chimed-in on the subject.
Forum: 2008 - 2012 Ninja 250R Tech Talk October 1st, 2018, 02:14 PM
Replies: 27
Views: 335
Posted By jkv45
As adouglas said - if it feels like it's too much...

As adouglas said - if it feels like it's too much - stop.

My youngest son was replacing the sprocket on his R6, and the factory torque spec said something like 60 or 70 ft.lbs. I said I thought...
Forum: Ninjettes At Speed October 1st, 2018, 11:42 AM
Replies: 128
Views: 16,268
Posted By jkv45
Great to meet you also. 118 from the little...

Great to meet you also. 118 from the little Ninja was a solid run, though I know you would have liked more.

Enjoyed the day at the track. Wish it was closer.

The 12 hr ride home wasn't quite...
Forum: Ninjettes At Speed October 1st, 2018, 09:40 AM
Replies: 1
Views: 74
Posted By jkv45
The 2018 WorldSSP300 Champion...

...is a girl on a Ninja (400)! She is the first female to win a motorcycle World Championship.

Congrats to Ana Carrasco from Spain (of course).
...
Forum: Ninjettes At Speed October 1st, 2018, 07:23 AM
Replies: 128
Views: 16,268
Posted By jkv45
The airfield was used by B-52s during the Vietnam...

The airfield was used by B-52s during the Vietnam era. That's why the runway (racetrack) is over 2 mi long.

https://i.imgur.com/ga04CI2.jpg

Here are a few more interesting things that...
Forum: Ninjettes At Speed October 1st, 2018, 07:09 AM
Replies: 128
Views: 16,268
Posted By jkv45
Just got back from the 1300 mi roundtrip to the...

Just got back from the 1300 mi roundtrip to the Arkansas Mile this weekend on my SV650n, where I caught-up with Eric (Racer-X).

When we got there Sat morning he had done a 118 and change, but the...
Forum: General Motorcycling Discussion September 27th, 2018, 01:02 PM
Replies: 7
Views: 155
Posted By jkv45
Good to hear that you found the problem. The...

Good to hear that you found the problem.

The Ninja has very few trouble spots, and clutch issues are not that common.

Let us know how it all works out.
Forum: General Motorcycling Discussion September 27th, 2018, 12:26 PM
Replies: 7
Views: 155
Posted By jkv45
That would suggest something related to the...

That would suggest something related to the wheels and not the engine. Chain is the first thing to come to mind. A damaged link or over-tightened chain will make noise. Get the rear wheel up in the...
Forum: New Members September 27th, 2018, 10:34 AM
Replies: 15
Views: 268
Posted By jkv45
Everyone has a favorite, but T6 is kinda a...

Everyone has a favorite, but T6 is kinda a default synthetic oil that checks all the boxes.
Forum: New Members September 27th, 2018, 06:51 AM
Replies: 15
Views: 268
Posted By jkv45
Since it's new-to you, you may want to check the...

Since it's new-to you, you may want to check the oil filter screen as well when you are changing the oil - https://faq.ninja250.org/wiki/Checking_the_oil_screen

I'd suggest Rotella T6 unless you...
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