have to use throttle to start it

03slime250 · June 9th, 2010, 10:39 PM

i laid my bike over last week in my driveway. it was very hard to start afterwards, and i figured i just flooded it. well, now every time i cold start it i have to use the throttle. used to i could just use my choke and it would fire up, but not now, it just cranks until i use the throttle. what have i done?

kkim · June 9th, 2010, 11:01 PM

check to see if the choke cable is properly adjusted.

captlombardi · June 9th, 2010, 11:29 PM

possibly not related, but after i wrecked my bike the first time it took some effort to start (combo of cranking, choke, and throttle) but now it has a jet kit and yoshi exhaust. i always crack the throttle because i think it starts a little faster, maybe taking some stress off the starter.

how much throttle are you using? the way the bike works, if you have to add throttle (air) to start it then it's overly rich on startup. maybe you're using too much choke? if its hot out you won't need to use almost any choke.

03slime250 · June 10th, 2010, 12:57 AM

how do i check to see if the chole cable is adjusted right?

kkim · June 10th, 2010, 01:03 AM

procedure is in the owner's manual.

03slime250 · June 10th, 2010, 09:20 AM

dont have one

dubojr1 · June 10th, 2010, 09:51 AM

Quote:

Originally Posted by 03slime250

dont have one

PM me with an email and I'll send you a copy.

tiggen · June 15th, 2010, 11:56 AM

Try starting it with no choke and at half throttle.

03slime250 · June 15th, 2010, 12:20 PM

thats how i have to start it

i got the owners manual from dubojr1 but havent had the chance to check out the cable

tiggen · June 15th, 2010, 05:18 PM

I could be wrong, but I don't think it's the choke cable. Same thing happened to me. I drained the tank and carbs and put in new gas. Also changed the plugs. Don't know which helped more, but now the bike runs smoother than it ever has.

03slime250 · June 15th, 2010, 11:00 PM

thats what i was thinkin at first is that i maybe dislodged some junk

FrugalNinja250 · June 17th, 2010, 05:56 AM

A possible sequence of events: When the bike went over fuel sloshed into the pilot jet air bleed holes and other places it wasn't supposed to go. Because those holes are very, very tiny the surface tension of the gasoline was higher than cranking air flow could overcome, meaning that the mixture was way, way rich or lean. This resulted in an incombustible air/fuel mixture that fouled the plugs. Once the fuel evaporated out of all the orifices and the air/fuel mixture was back to normal the engine won't start or run as well because of the carbon deposits on the plugs.

That happened to me on my '06 last year. It took a couple of hundred miles before the carbon got burned off the plugs well enough to restore the performance back to normal.

03slime250 · June 19th, 2010, 11:24 PM

well, every couple of days or so ive been checking it by just using the choke and i did it the night before last and it fired up without throttle and since then its been like old times

June 9th, 2010, 10:39 PM	#1
03slime250 ninjette.org member Name: dakota Location: northwest arkansas Join Date: May 2010 Motorcycle(s): 2003 ninja 250 Posts: 61	have to use throttle to start it i laid my bike over last week in my driveway. it was very hard to start afterwards, and i figured i just flooded it. well, now every time i cold start it i have to use the throttle. used to i could just use my choke and it would fire up, but not now, it just cranks until i use the throttle. what have i done?

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June 9th, 2010, 11:01 PM	#2
kkim Join Date: Nov 2008 Posts: Too much.	check to see if the choke cable is properly adjusted.

June 9th, 2010, 11:29 PM	#3
captlombardi ninjette.org member Name: Scott Location: KS Join Date: Jan 2010 Motorcycle(s): '09 EX250J, '01 CBR600F4i Posts: 53	possibly not related, but after i wrecked my bike the first time it took some effort to start (combo of cranking, choke, and throttle) but now it has a jet kit and yoshi exhaust. i always crack the throttle because i think it starts a little faster, maybe taking some stress off the starter. how much throttle are you using? the way the bike works, if you have to add throttle (air) to start it then it's overly rich on startup. maybe you're using too much choke? if its hot out you won't need to use almost any choke.

June 10th, 2010, 12:57 AM	#4
03slime250 ninjette.org member Name: dakota Location: northwest arkansas Join Date: May 2010 Motorcycle(s): 2003 ninja 250 Posts: 61	how do i check to see if the chole cable is adjusted right?

June 10th, 2010, 01:03 AM	#5
kkim Join Date: Nov 2008 Posts: Too much.	procedure is in the owner's manual.

June 10th, 2010, 09:20 AM	#6
03slime250 ninjette.org member Name: dakota Location: northwest arkansas Join Date: May 2010 Motorcycle(s): 2003 ninja 250 Posts: 61	dont have one

June 15th, 2010, 11:56 AM	#8
tiggen ninjette.org guru Name: John Location: Atlanta Join Date: Oct 2009 Motorcycle(s): 2003 250 Posts: 333	Try starting it with no choke and at half throttle.

June 15th, 2010, 12:20 PM	#9
03slime250 ninjette.org member Name: dakota Location: northwest arkansas Join Date: May 2010 Motorcycle(s): 2003 ninja 250 Posts: 61	thats how i have to start it i got the owners manual from dubojr1 but havent had the chance to check out the cable

June 15th, 2010, 05:18 PM	#10
tiggen ninjette.org guru Name: John Location: Atlanta Join Date: Oct 2009 Motorcycle(s): 2003 250 Posts: 333	I could be wrong, but I don't think it's the choke cable. Same thing happened to me. I drained the tank and carbs and put in new gas. Also changed the plugs. Don't know which helped more, but now the bike runs smoother than it ever has.

June 15th, 2010, 11:00 PM	#11
03slime250 ninjette.org member Name: dakota Location: northwest arkansas Join Date: May 2010 Motorcycle(s): 2003 ninja 250 Posts: 61	thats what i was thinkin at first is that i maybe dislodged some junk

June 17th, 2010, 05:56 AM	#12
FrugalNinja250 ninjette.org certified postwhore Name: Frugal Location: Dallas/Fort Worth (DFW) Join Date: Mar 2010 Motorcycle(s): Several Posts: A lot.	A possible sequence of events: When the bike went over fuel sloshed into the pilot jet air bleed holes and other places it wasn't supposed to go. Because those holes are very, very tiny the surface tension of the gasoline was higher than cranking air flow could overcome, meaning that the mixture was way, way rich or lean. This resulted in an incombustible air/fuel mixture that fouled the plugs. Once the fuel evaporated out of all the orifices and the air/fuel mixture was back to normal the engine won't start or run as well because of the carbon deposits on the plugs. That happened to me on my '06 last year. It took a couple of hundred miles before the carbon got burned off the plugs well enough to restore the performance back to normal.

June 19th, 2010, 11:24 PM	#13
03slime250 ninjette.org member Name: dakota Location: northwest arkansas Join Date: May 2010 Motorcycle(s): 2003 ninja 250 Posts: 61	well, every couple of days or so ive been checking it by just using the choke and i did it the night before last and it fired up without throttle and since then its been like old times