Forum: General Motorcycling Discussion
Today, 09:57 AM
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Replies: 289
Views: 9,103
i've found with brakes, it's best not to fight...
i've found with brakes, it's best not to fight laws of physics. Bleeding brakes is always a battle of speed as bubbles are rising towards MC as you're trying to force fluid in opposite direction. Go...
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Forum: Ninjettes At Speed
Yesterday, 09:28 PM
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Replies: 49
Views: 2,101
Yes, special anti-hotwire circuit. You can...
Yes, special anti-hotwire circuit. You can replace ignition-switch with simple on/off switch like this. Make sure it's rated for 10a. Resistor on grey wire should be ~125 ohms or so.
...
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Forum: 2008 - 2012 Ninja 250R Tech Talk
Yesterday, 09:21 PM
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Replies: 4
Views: 57
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Forum: 2008 - 2012 Ninja 250R Tech Talk
Yesterday, 09:10 PM
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Replies: 2
Views: 47
Hi and Welcome!!! :wave:
What's history...
Hi and Welcome!!! :wave:
What's history behind his bike?
What kind of maintenance in past year?
Did these sounds occur gradually or suddenly?
I'd start with doing valve-clearance measurement,...
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Forum: General Motorcycling Discussion
Yesterday, 09:07 PM
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Replies: 2
Views: 31
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Forum: 2008 - 2012 Ninja 250R Tech Talk
May 18th, 2022, 10:56 PM
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Replies: 1,729
Views: 149,202
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Forum: 2008 - 2012 Ninja 250R Tech Talk
May 18th, 2022, 10:51 PM
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Replies: 4
Views: 57
only need ID of video for youtube tags.
...
only need ID of video for youtube tags.
oZFUcN9_zqY
1. measure battery voltage with everything off. Volts = ???
2. measure battery voltage when pushing start-button. Volts = ???
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Forum: 2008 - 2012 Ninja 250R Tech Talk
May 16th, 2022, 02:03 PM
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Replies: 16
Views: 186
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Forum: 2008 - 2012 Ninja 250R Tech Talk
May 16th, 2022, 01:59 PM
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Replies: 16
Views: 186
Yes, you want to increase scope of your safety...
Yes, you want to increase scope of your safety envelope. Not just focus on specific builds in isolation. Many unexpected things can happen at track when all bikes are considered.
Racing orgs. have...
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Forum: New Members
May 16th, 2022, 01:48 PM
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Replies: 4
Views: 57
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Forum: 1986 - 2007 Ninja 250R Tech Talk
May 16th, 2022, 09:37 AM
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Replies: 63
Views: 1,740
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Forum: Items Wanted
May 16th, 2022, 07:43 AM
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Replies: 9
Views: 200
There's reason for this tight fit in factory...
There's reason for this tight fit in factory configuration. They had top of fork-tube protruding above fork-clamp with handlebar wrapping over it so that loads are not carried by bolts. Specifically...
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Forum: General Motorcycling Discussion
May 16th, 2022, 01:25 AM
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Replies: 46
Views: 774
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Forum: General Motorcycling Discussion
May 15th, 2022, 04:12 PM
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Replies: 46
Views: 774
Bob, don't quite understand your "bottomed out...
Bob, don't quite understand your "bottomed out shock" idea. Please post photos of shock:
1. Bare shock with no spring, showing all adjustment threads. With ruler showing eyelet-to-eyelet length
...
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Forum: 2008 - 2012 Ninja 250R Tech Talk
May 15th, 2022, 01:53 PM
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Replies: 16
Views: 186
You're most welcome! :wave:
A lot of clips...
You're most welcome! :wave:
A lot of clips are installed improperly. There are actually 4 different orientations of ML clip, not just 2. Most people know about facing open-end backwards. But don't...
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Forum: 2008 - 2012 Ninja 250R Tech Talk
May 15th, 2022, 09:48 AM
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Replies: 16
Views: 186
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Forum: General Motorcycling Discussion
May 13th, 2022, 07:50 PM
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Replies: 46
Views: 774
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Forum: General Motorcycling Discussion
May 13th, 2022, 04:49 PM
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Replies: 46
Views: 774
The rocker's leverage-ratio seems a little...
The rocker's leverage-ratio seems a little extreme.
N250 pre-gen = 1:1.5
N250 new-gen = 1:2.2
RX4 = 1:3 ?
It's already taking an extremely stiff dual-rate spring and multiplying it by 300% !!!
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Forum: General Motorcycling Discussion
May 13th, 2022, 03:46 PM
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Replies: 46
Views: 774
Sorry, I'm using "preload" incorrectly. Should...
Sorry, I'm using "preload" incorrectly. Should say "sag" instead since that's what we want. Some amount of compression with no load on bike. Apparently RaceTech spring is still too stiff to allow any...
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Forum: General Motorcycling Discussion
May 13th, 2022, 01:11 PM
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Replies: 46
Views: 774
Well, there's your problem. Factory spring is...
Well, there's your problem. Factory spring is dual-rate design. Probably starts at about 300-lb/in. Then after 1-2" of compression or so, it switches to 600-lbs/in (8 active coils go down to 4)....
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Forum: New Members
May 13th, 2022, 10:35 AM
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Replies: 5
Views: 99
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Forum: New Members
May 11th, 2022, 09:01 AM
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Replies: 5
Views: 99
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Forum: General Motorcycling Discussion
May 10th, 2022, 02:57 PM
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Replies: 5
Views: 136
Yeah, any amount of ethanol is bad for carb...
Yeah, any amount of ethanol is bad for carb bikes. Due to vented tank and carbs, moisture sneaks in from outside and causes separation of ethanol from gasoline.
On EFI bikes, not that big a deal...
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Forum: 1986 - 2007 Ninja 250R Farkles
May 9th, 2022, 06:11 PM
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Replies: 8
Views: 7,258
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Forum: Ninjettes At Speed
May 8th, 2022, 09:37 PM
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Replies: 49
Views: 2,101
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