February 2nd, 2013, 12:23 PM | #1 |
ninjette.org member
Name: David
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Throttle handle issue...
I just got done putting my carb back on, started up the bike and it seems to be running alright for now, but when I try to twist back on the throttle it's very very hard to and I noticed one of the cables seems very tight. What could be causing this and how can i fix it??
Maybe cable needs adjusting?? THnks! |
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February 2nd, 2013, 12:24 PM | #2 |
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Lube, check for binding/kinks in the cable then adjust to spec/preference.
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February 2nd, 2013, 12:25 PM | #3 |
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Two questions:
1.Does is there any wiggle room on the throttle before it starts to engage? 2. If you open the throttle (say to like 1/4 or half), and then release it, does it snap closed?
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February 2nd, 2013, 12:29 PM | #4 |
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Name: David
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Yeah I can pull back a little and it seems to snap back but its pretty tight. All I did was move the nuts enough to slip em off
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February 2nd, 2013, 01:09 PM | #5 |
Daily Ninjette rider
Name: Hernan
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What nuts?
Read this: http://faq.ninja250.org/wiki/Throttl...is/re-assembly http://faq.ninja250.org/wiki/Lubing_the_cables http://faq.ninja250.org/wiki/Carburetor_photos
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February 2nd, 2013, 01:14 PM | #6 | |
ninjette.org member
Name: David
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Quote:
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February 2nd, 2013, 07:56 PM | #7 |
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May be the cables went too much into the covers and jumped out of the proper position inside the handle.
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Motofool .................................Never ride faster than your guardian angel can fly "Mankind is composed of two sorts of men — those who love and create, and those who hate and destroy. Love is the bond between men, the way to teach and the center of the world." - José Martí |
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February 3rd, 2013, 04:12 AM | #8 |
B-Town Ninja
Name: Nathan
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You can use those nuts to adjust the play in your throttle. It's possible that you just have them positioned in a way that there is no slack in the throttle cable? A small adjustment in the up/down placement of those nuts makes a fairly large difference.
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February 3rd, 2013, 07:43 AM | #9 |
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Name: David
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I think mayb when I installed the cable back on I did it upside down the carb where the wire connects. I tried adjusting it a little and didn't seem to help throttle on the handle. Ill jhave to take the coolant reservoir off to check it more
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February 4th, 2013, 07:09 AM | #10 |
ninjette.org member
Name: David
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I loosened the nuts and tried adjusting a little but didnt seem to make a difference in the tightness of the throttle grip .
what else could it be? |
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February 4th, 2013, 07:27 AM | #11 |
Long Time Rider
Name: Blue
Location: Charlotte, NC
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How well does the throttle return spring on the carb work? Are the cables binding on the bracket at all?
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February 4th, 2013, 07:32 AM | #12 |
ninjette.org member
Name: David
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yeah the spring seems to be working. I didnt notice any binding at all but maybe ill have to take the tank back off to check :-/.. just odd how its tight turning the grip, like i can only twist it maybe 1/4 at most.
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February 4th, 2013, 07:44 AM | #13 |
Long Time Rider
Name: Blue
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If you take the bracket off the carbs with the cables still attached and the cables are still tight, your problem is the cable routing/housing. If they don't bind it might be the cable return spring. It should snap pretty good.
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February 4th, 2013, 07:53 AM | #14 |
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Name: David
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I had to take the cables off the bracket itself to get the old carb off. i was never able to get the bracket screw loose.
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February 4th, 2013, 10:37 AM | #15 | |
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Quote:
This is a close system where a cable works against the other; there is no room for mistakes or slack. If one of the cables jumped out of the groove in the handle, it will move more than the other when you twist the handle, reaching that binding point that you feel when the second cable starts fighting the movement of the first.
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Motofool .................................Never ride faster than your guardian angel can fly "Mankind is composed of two sorts of men — those who love and create, and those who hate and destroy. Love is the bond between men, the way to teach and the center of the world." - José Martí |
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February 4th, 2013, 10:39 AM | #16 | |
ninjette.org member
Name: David
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Quote:
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February 4th, 2013, 10:41 AM | #17 |
Daily Ninjette rider
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Yes.
They are straight cables forced to bend around the handle and kept under certain pressure by the spring at the carbs and the lack of slack. If you have not done it yet, check the links of post #5 for a how-to. Great time to lubricate the cables from the top and the handle.
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Motofool .................................Never ride faster than your guardian angel can fly "Mankind is composed of two sorts of men — those who love and create, and those who hate and destroy. Love is the bond between men, the way to teach and the center of the world." - José Martí |
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February 4th, 2013, 03:48 PM | #18 |
ninjette.org member
Name: David
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Ill have to try and see about near the handles cause I didn't mess with em at all. I do remember when I took the cable off it retracted into the sheath quite a bit.
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February 5th, 2013, 08:04 AM | #19 | |
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Name: David
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Quote:
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February 5th, 2013, 08:46 AM | #20 |
Daily Ninjette rider
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In order to service the handle, you don't need to remove the tank or the filter.
Just two screws in the handle open it in two halves and the cables and guides are exposed.
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Motofool .................................Never ride faster than your guardian angel can fly "Mankind is composed of two sorts of men — those who love and create, and those who hate and destroy. Love is the bond between men, the way to teach and the center of the world." - José Martí |
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February 5th, 2013, 08:48 AM | #21 |
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Name: David
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Ok i may check that out. I have a feeeling its not the handles. i never messed with it near the handle and the line in question retracted quite a bit after I removed it from the carb. it's weird
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February 5th, 2013, 09:00 AM | #22 |
Daily Ninjette rider
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If you prefer not opening the handle, disconnect the cables from the carb and have a friend twist the handle, while you measure how much each one goes in and out: both should be identical.
__________________________________________________
Motofool .................................Never ride faster than your guardian angel can fly "Mankind is composed of two sorts of men — those who love and create, and those who hate and destroy. Love is the bond between men, the way to teach and the center of the world." - José Martí |
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February 5th, 2013, 09:02 AM | #23 |
ninjette.org member
Name: David
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Its pretty hard to do this without taking the tank off isnt it...well if for some reason both dont go in and out as much as the other what would that mean? I don't mind opening the handle, im just thinking that the problem isnt up there. I'll probably check the handle anyways. is there pictures that tell us where to remove?
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February 5th, 2013, 02:07 PM | #24 |
ninjette.org member
Name: David
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Went home and messed with positioning on the nuts, didnt do much.
@Motofool Here's a video of what I'm experiencing. http://s1254.beta.photobucket.com/us...1aece.mp4.html Thanks! |
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February 5th, 2013, 02:43 PM | #25 |
Long Time Rider
Name: Blue
Location: Charlotte, NC
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When you put a little slack on the cable it may have slipped off of the throttle tube and now it's binding. Open up the housing and check.
It should look like this and not like this crossed up like this |
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February 5th, 2013, 03:05 PM | #26 |
Daily Ninjette rider
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The video shows that the handle is not freely returning as it should be.
The main cable has too much slack. The secondary (the one that will close the throttle of the carb if the spring gets broken) is even worst. Sorry, it is hard to see what is happening. Go step by step, following the last link and do the test that I explained above.
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Motofool .................................Never ride faster than your guardian angel can fly "Mankind is composed of two sorts of men — those who love and create, and those who hate and destroy. Love is the bond between men, the way to teach and the center of the world." - José Martí |
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February 5th, 2013, 03:09 PM | #27 |
ninjette.org member
Name: David
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i unhooked the cables from the carb. i thought i had the right ones on, i also checked on the handlegrip and the cable was sitting how it should on the track. hopefully my friend can come by soon to look at it cause its pissing me off. this wouldnt have been an issue if i just let a shop jet my bike...instead im throwing $ and time at it.
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February 5th, 2013, 03:25 PM | #28 |
Daily Ninjette rider
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Then check that the sheath of each cable is sitting all the way inside their places in the handle case.
Is the handle twisting freely now?
__________________________________________________
Motofool .................................Never ride faster than your guardian angel can fly "Mankind is composed of two sorts of men — those who love and create, and those who hate and destroy. Love is the bond between men, the way to teach and the center of the world." - José Martí |
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February 5th, 2013, 03:56 PM | #29 |
ninjette.org member
Name: David
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Well when I ttwist it while on carb its still rough. I checked inside handle and it was fine so I put it back together.
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February 5th, 2013, 04:04 PM | #30 |
Daily Ninjette rider
Name: Hernan
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Show your friend the schematic of post #26.
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Motofool .................................Never ride faster than your guardian angel can fly "Mankind is composed of two sorts of men — those who love and create, and those who hate and destroy. Love is the bond between men, the way to teach and the center of the world." - José Martí |
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February 5th, 2013, 04:07 PM | #31 |
ninjette.org member
Name: David
Location: Mascoutah IL
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February 6th, 2013, 06:29 AM | #32 |
ninjette.org member
Name: David
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When I opened the handle yesterday it all looked fine and in the track. other than that what could be the issue? when its off the bike i twist the handle back n forth and they push in and out of the sheath just fine i believe.
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February 6th, 2013, 06:41 AM | #33 |
Long Time Rider
Name: Blue
Location: Charlotte, NC
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Does the throttle return spring on the carb bind at all with the cables off? It is mainly responsible for the throttle return. If one of the butterflies is catching inside the carb, it could possibly hinder the operation of the throttle. Also make sure the throttle grip does not bind/touch the housing at all. There should be a nice little gap between the two.
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February 6th, 2013, 06:44 AM | #34 | |
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Name: David
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Quote:
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February 6th, 2013, 06:45 AM | #35 | |
B-Town Ninja
Name: Nathan
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Quote:
Also, did you end up positioning the carbs differently (compared to stock)?
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February 6th, 2013, 06:56 AM | #36 | |
ninjette.org member
Name: David
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Quote:
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February 6th, 2013, 07:03 AM | #37 | |
B-Town Ninja
Name: Nathan
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Quote:
I know it seems like a hassle, but I think you'd find this so much easier if you just remove the tank =\ Once you get the hang of it, the tank only takes a minute max to remove. Also, I think you'll find it worth it once you get the bike up and running pod filters make the bike sound so sexy don't give up!
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February 6th, 2013, 07:08 AM | #38 |
ninjette.org member
Name: David
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Yeah I took the cables off to swap to a new carb cause I messed up the old one. Yeah the tank doesnt take much to remove but i hate leaking fuel and hate doing it alone. I bought the carb from someone here and it seemed to work just fine, not sure if the cables have too much slack on em(too much cable/sheath pulled towards carb), or if they're hitting something when butterflying. Yeah I had it running before with the pods but I had 100's in the main jets and needed more so i went to 112. I havent done the needles yet, so I may have to get some washers for that. I just wish i took it to the dealership to begin with cause its been more of a PITA and time consuming since I decided to do it myself. I'd rather spend 200-400 just to have someone else do it haha. Especially since I ruined my carb in the process
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February 6th, 2013, 07:12 AM | #39 |
Long Time Rider
Name: Blue
Location: Charlotte, NC
Join Date: Sep 2010 Motorcycle(s): 2009 Kawasaki Ninja 250R Posts: A lot.
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If you are only able to turn the throttle 1/4 turn, it sounds like the cables somehow are too short. I couldn't see it in the video, but does the throttle linkage lever stop against the idle adjusting screw with the throttle grip closed?
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February 6th, 2013, 07:19 AM | #40 |
ninjette.org member
Name: David
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I havent looked at that yet. The cables cant be too short, unless i dont have the carb all the way in the boots on the engine, which I should probably check...I guess every inch counts lol. The cables cant be too short, same cables, same carb for the bike. it may even be 1/8 of a turn because its so minimal.
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