Forum: Ninjettes At Speed
April 22nd, 2016, 07:11 AM
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Replies: 9
Views: 2,701
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Forum: Ninjettes At Speed
April 21st, 2016, 02:58 PM
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Replies: 9
Views: 2,701
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Forum: Ninjettes At Speed
April 21st, 2016, 07:26 AM
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Replies: 9
Views: 2,701
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Forum: Ninjettes At Speed
April 19th, 2016, 03:05 PM
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Replies: 9
Views: 2,701
Will PreGen fork tube fit NextGen lower??
Just picked up a 96 and 09 donor bikes. The 09 is destined to be re-engined with a RD400F motor, with about 70+hp.
The 09 has bent upper fork tubes, but the 96 uppers are straight. Both are 36mm....
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Forum: 1986 - 2007 Ninja 250R Tech Talk
December 3rd, 2014, 05:05 PM
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Replies: 33
Views: 5,119
Having seen what you have accomplished, well...
Having seen what you have accomplished, well done.
My guess is the "gunk" under the valves was the culprit.
What you did with the rest of the motor was a great exercise. You can now rebuild any...
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Forum: General Motorcycling Discussion
October 19th, 2014, 07:24 AM
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Replies: 5
Views: 1,388
Search "forward air motorcycle".
They're the...
Search "forward air motorcycle".
They're the best/cheapest I have found. You can load their container at their docks and unload the same way.
You want to ship terminal to terminal, not home...
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Forum: Riding Skills
October 5th, 2014, 07:00 AM
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Replies: 27
Views: 2,965
Hey! watch what you say about old British Iron
Actually, it's worse than that.
I have a bunch of Brit stuff that goes from '53 to '72.
Some shifts on the left - street pattern
Some shifts on the left - GP pattern
Some on the right - street...
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Forum: 1986 - 2007 Ninja 250R Farkles
October 4th, 2014, 07:13 AM
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Replies: 11
Views: 2,244
But bright enough
It will throw more light than the Lucas headlight on my 72 Bonnie...
Q: At night, how do you know you Lucas headlight isn't working?
A: Everyone is yelling at you...
Q: Why do Brits drink warm...
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Forum: Riding Skills
October 3rd, 2014, 09:23 PM
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Replies: 27
Views: 2,965
I swapped, but the other way
I went the other way.
I traded sides on all the pedal bikes I have owned. It's an easy swap and the levers/perches don't care that they are both "upside down".
Drove me nuts to grab a big handful...
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Forum: 2008 - 2012 Ninja 250R Tech Talk
August 28th, 2014, 09:15 PM
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Replies: 13
Views: 1,457
It's do-able...
That is not a hard fix.
First, jig as above, then,
Anyone that understands the following and can braze, can do it:
1- Inner tube, prefer DOM .125in, held in place by multiple hole brazes from...
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Forum: 2008 - 2012 Ninja 250R Tech Talk
August 27th, 2014, 09:10 PM
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Replies: 13
Views: 1,457
Frames can be fixed
Yes, it can be fixed.
Can you post any pictures of the cuts, from all sides?
I'm an A&P mechanic. Aircraft frames are routinely made and tubing is replaced. There is a large body of info on the...
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Forum: Videos
August 15th, 2014, 06:53 AM
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Replies: 10
Views: 1,266
Squidly does not understand physics...
Squidly was doomed from the beginning. There was no way he stood a chance. It was over before it started.
A 60 c.i. short throw engine can't develop the torque the the 100 c.i. long throw can.
...
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Forum: 1986 - 2007 Ninja 250R Tech Talk
August 15th, 2014, 06:35 AM
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Replies: 33
Views: 5,119
More info from inside...
Yep, you got a mess, but not necessarily a done motor. I looks like you still had lots of coolant left inside. Any left is always better than none.
Is there any coolant in the oil? If there is, it...
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Forum: Videos
August 14th, 2014, 08:00 AM
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Replies: 20
Views: 2,343
Trials bikes = the most fun for the buck
You don't have to buy the latest and greatest to have a hell of a lot of fun.
Since all manufactures have shifted to 4stroke, there are tons of 2stroke trial bikes for sale. A 5-8 year old 2stk is...
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Forum: Videos
August 10th, 2014, 09:10 AM
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Replies: 18
Views: 1,426
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Forum: General Motorcycling Discussion
August 10th, 2014, 06:28 AM
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Replies: 7
Views: 802
You will find "race boots" to be stiffer. Their...
You will find "race boots" to be stiffer. Their objective is more protection not comfort and you will only be in them for about 30 minutes at a time. They are not a problem when the shift lever is...
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Forum: Videos
August 9th, 2014, 04:58 PM
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Replies: 18
Views: 1,426
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Forum: Riding Skills
July 26th, 2014, 01:02 PM
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Replies: 18
Views: 11,472
Street and track are two different concepts
I have reread all the post here several times.
I finally occurred to me that there are two braking threads here; and the Cycle World article holds the key, "there is no penalty for a slow corner...
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Forum: Ninjettes At Speed
July 22nd, 2014, 02:42 PM
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Replies: 14
Views: 1,780
HaHaHa, I love it !!!
If you can find...
HaHaHa, I love it !!!
If you can find someone who likes you (or can be bribed with beer afterwards) to be your "pit chief" on track/race day, do not ever let them out of your sight.
Having...
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Forum: Ninjettes At Speed
July 19th, 2014, 03:10 PM
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Replies: 14
Views: 1,780
Really cheap...
I don't time on track days. That's for checking gearing, etc.
If you really need to know, take a buddy with you: pencil, clipboard and watch. It helps them get into the action.
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Forum: Ninjettes At Speed
July 18th, 2014, 05:50 PM
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Replies: 6
Views: 1,276
Just ride the track for you...
It's very pleasing you are trying to learn more about motorcycling. Most riders just go down the road, usually very fast, but can't stop or turn.
Yes, go to every track day you can. They are for...
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Forum: General Motorcycling Discussion
July 16th, 2014, 06:29 AM
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Replies: 39
Views: 3,739
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Forum: 1986 - 2007 Ninja 250R Tech Talk
July 15th, 2014, 09:40 PM
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Replies: 33
Views: 5,119
More thoughts...
With a 100 psi start and a 25% drop in diff pressure, the air should be audible somewhere. Set the tester up again and hold a smoke up in front of the carb inlet then the exhaust outlet. See the...
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Forum: 1986 - 2007 Ninja 250R Tech Talk
July 15th, 2014, 06:00 PM
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Replies: 33
Views: 5,119
More questions...
Thanks for the info.
How many miles? Do you have access to a smoke generator tester?
When you say leak down, do you mean two gauges showing differing pressure? What's the input psi? Where do you...
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Forum: 1986 - 2007 Ninja 250R Tech Talk
July 15th, 2014, 06:02 AM
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Replies: 33
Views: 5,119
More checking first !!!
Don't tear it down yet. I think you testing so far is inconclusive.
What were the actual numbers on you compression and leak down test? How were they done? Engine warm or cold? Oil put into both...
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