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Old 05-15-2012, 11:41 AM   #1126
Jimmy the Heater
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Quote:
Originally Posted by RussellH View Post


Someone used the Miata as a refrence and I think that's spot on (having raced the Spec-Miata series for several years).

To me the Ninja 250 is the underdog, grassroots, open-source equivalent of the bike world

Amen to that! I have a Miata and a Lil'Ninja and can agree totally.
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Old 05-15-2012, 02:25 PM   #1127
LuciferMutt
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Originally Posted by Jimmy the Heater View Post
Amen to that! I have a Miata and a Lil'Ninja and can agree totally.

Me too. And a 4th gen VFR.

They really are fantastic little bikes!

BTW regarding the fatter rear tire to avoid the bicycle look -- you can fit a 140 tire back there without mods I think (assuming you can find a 140 in a 16" -- I think there are some) -- but the handling suffers. I have a 120 on mine and it changes direction like a housefly!
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Old 05-15-2012, 07:41 PM   #1128
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Quote:
Originally Posted by RussellH View Post

To me the Ninja 250 is the underdog, grassroots, open-source equivalent of the bike world
Welcome to the Asylum.
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Old 05-16-2012, 06:45 AM   #1129
Whereabouts
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Shock travel

Hey everyone,

I have a quick question; I've searched all over the internet so I figured it's time to come to the definitive source. Can anyone tell we what the shock stroke is on the pre-08' EX250? If it's easier, it would be just as good to find out the eye-to-eye measurement of the shock when fully compressed or the leverage ratio between the shock and the rear wheel. Any anecdotal information in this domain would at least be a start.

Thanks so much!
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Old 05-16-2012, 04:50 PM   #1130
gfloyd2002
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If it helps, part number is Uni-Trak 45014-0234-23J. Rear travel is 5.1 in (129.5 mm).
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Old 05-16-2012, 06:06 PM   #1131
Whereabouts
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I did already know the wheel travel, but thank you. Here's what I've found so far (and please correct any errors as the internet has been known to spread inaccuracies once or twice before):

shock eye-to-eye length (extended)- 12.6"
shock eye-to-eye length (fully compressed)- ?
shock stroke- ?
spring rate- 440 in/lbs
rear wheel travel- 5.1"

The reason I want to know is that I'm investigating suitable donors for a fairly easy shock swap to go along with a dual sport front end swap on an ex250. I would definitely want more ride height but more travel would be desirable as well since the front would probably end up with about 9" of travel.

I know enough to know that just looking at the curb weight and wheel travel numbers of other bikes won't help me but I think that comparing the above parameters to those of the stock 250 shock should tell me something meaningful.
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Whereabouts screwed with this post 05-16-2012 at 09:09 PM
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Old 05-26-2012, 05:47 AM   #1132
doogiepooch
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Quote:
Originally Posted by Whereabouts View Post
The reason I want to know is that I'm investigating suitable donors for a fairly easy shock swap to go along with a dual sport front end swap on an ex250.
Keep us updated on the progress of this swap. I know several guys throw some agressive tires on the 250's and bomb down forest service roads but a full conversion would be very intersting.


A question for the masses.....what are you guys connecting your auxilary outlets to? My klr had unused parking light wires up front from the factory and it was a common mod just to plug into that. Anything like that on the Ninja? I need to run a gps or phone carger. I've got the waterproof outlet, Just got to run the wiring and wanted to the easiest, proper, way to do it, I've read going to the battery is ok but would really like it tied into something that turns on and off with the key.
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Old 05-27-2012, 04:47 PM   #1133
scorch
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man we had a great ride, about 400 miles of riding. and mostly backroads until the ride ended

Burton at the sheetz
[IMG]https://fbcdn-sphotos-a.akamaihd.net/hphotos-ak-ash3/s720x720/562432_10151745151825109_536275108_24179566_350717 702_n.jpg[IMG]




not bad for 63k miles



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Old 05-27-2012, 05:42 PM   #1134
rat110
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Well I have a zzr250. Basically the same bike with different fairings. Mine is a December 03 that I picked up with 4800kms on it. I got it in November 10. It now has 45,000 kms and still running strong. It has developed a good rattle in the engine but uses no oil and still runs well.

Things I love about this bike are it's cheap! Cheap to run, to insure, to maintain etc. I travel 95kms each day, 5 days a week and it costs me $30 in fuel. I love its wheel stands from traffic lights. It doesn't mind a burnout to finish off it's rear tyres. It quite likes them too. I love taking it out to the street after a wash, dialing in 9,000rpm and popping the clutch, hitting the throttle stop and letting the bike bounce off the rev limiter whilst hanging it's bum out to the left by a good 30 degrees. My neighbors kids think the bike is so powerful! Lol. I'm just getting the wash residue off the tyres. Ha ha ha.

I've done a 3300km and an1800km trip on it with heaps of camping luggage on it. Hills aren't an issue as you just drop a gear or two and gas it. Top speed on mine is about 145km/h. That's without spending 5 mins trying to get it up there. All in all, a great little bike. Could do with 10hp more, but fun all the same.
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Old 05-28-2012, 03:22 AM   #1135
bluepoof
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Quote:
Originally Posted by doogiepooch View Post
A question for the masses.....what are you guys connecting your auxilary outlets to? My klr had unused parking light wires up front from the factory and it was a common mod just to plug into that. Anything like that on the Ninja? I need to run a gps or phone carger. I've got the waterproof outlet, Just got to run the wiring and wanted to the easiest, proper, way to do it, I've read going to the battery is ok but would really like it tied into something that turns on and off with the key.
I just hook everything up to the battery. If I remember correctly, there are aux wires that terminate up near the steering column (at least on my '07) but I've never tried hooking anything up to them.
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Old 05-28-2012, 04:48 AM   #1136
100mpg OP
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I hope someone has a quick answer for my question.

My nephews Ninja seems to have gummed up carbs. I volunteered to fix them, thinking he would be helping/doing most of the work under my direction. ha. Well, long story short, I have a ninja that need to be apart and back together running, today. solo.

I believe it is an '08, so with that in mind can someone recommend a place to find the best way to remove the carbs for cleaning or if you have done this yourself already, clue me in on the steps on what to remove?

Thanks.
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Old 05-28-2012, 06:48 AM   #1137
MotoSailorDC
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Quote:
Originally Posted by bluepoof View Post
I just hook everything up to the battery. If I remember correctly, there are aux wires that terminate up near the steering column (at least on my '07) but I've never tried hooking anything up to them.
Correct. There are 2 pairs of Aux wires on the 2nd generation Ninja 250. One set are at the front, and the other set are under the seat. Using the ones up front is great for a quick GPS/phone charging setup, but shouldn't be used in the long term, as there are a few issues with these wires. First off, they're always 'hot' or electrified, even if the bike is turned off with the key out of the ignition, so you have to be sure that you remove the device each and every time, or you will drain the battery. They're also in an obscene place, and are (I believe) 3/8" female spade connections. I use 1/4" male spades to connect my GPS rig to them as I couldn't find the right spade size, but it's not ideal. Right now, I run these to a cigar style plug that I keep in my tankbag. This acts as my hard on-off switch.

The black and white wire is your positive feed. If you're planning to hook a cigar style plug to these wires, I believe that the wire that leads to the center (as opposed to the walls) of the plug is your positive. You can confirm which wire goes where with a simple multimeter, checking for resistance. Be sure to check and re-check your polarity on this - some devices will blow their feeder fuse if the polarity is switched.

There's a great article online which details how to install an accessory fuse box, which will allow you to have your farkles on the 250 to be switched, so they turn off when the bike does, and it will also give you some fuses between the battery and your precious, precious farkles. This is one of the better solutions, and shouldn't cost more than 20-30 dollars and a few hours time. I plan to do this in the next few weeks, as time allows.
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Old 05-28-2012, 10:27 AM   #1138
bluepoof
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Quote:
Originally Posted by 100mpg

I believe it is an '08, so with that in mind can someone recommend a place to find the best way to remove the carbs for cleaning or if you have done this yourself already, clue me in on the steps on what to remove?

Thanks.
This is a good link though the photos don't appear to be showing up...

http://www.ninjette.org/forums/showthread.php?t=65198

This one also shows how to get the carbs out:

http://www.kawiforums.com/ninja-250r...ll-re-jet.html
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Old 05-28-2012, 10:50 AM   #1139
100mpg OP
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Question drats

I am not sure that is the problem. The bike is running so bad I am surprised he can ride it. It does not stall when the choke is full on. If I pin the throttle wide open, it will stall. I have to goose it to 2-3000 then pin it or it will stall. It is 80 degrees outside and was hard to start...stalled a few times unless I played withthe throttle a little.

I also missread those instructions ! I thought it said half an hour to remove everything ...it actually says and hour AND a half!

Is there anyway to narrow down the problem here with out ripping the bike apart and finding that is not the problem?

Standing by...
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Old 05-28-2012, 03:39 PM   #1140
LuciferMutt
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It's the carbs. It's always the carbs. Quite problematic on the 250 if it is not ridden very regularly.
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