sv650 tick over - SV650.org

simon1 · 02-12-17, 02:17 PM

Hi
My sv650 k1 model is idling to fast....idle screw is adjusted...throttle is as closed as it can be,,,,,one thing I did was put my hand over the opening of the front carb,while engine was running...felt the suction,then fuel,then engine stopped due to flooding I assume?....did the same with the rear carb...felt the suction,then fuel..but the engine did not stop..could this suggest a air leak in the rear carb,making the tickover to high???

johnnyrod · 02-12-17, 07:59 PM

Are the carbs balanced, even roughly?

simon1 · 02-12-17, 10:21 PM

Hi,
No I have not balanced them.....why can this cause a fast idle?......got to say otherwise the bike goes well..no flat spots..starts fine etc

Thanks

R1ffR4ff · 03-12-17, 11:47 AM

I think you are in the right direction with an Air-leak but also search the forum for problems with the Choke Plungers.I'm still pretty new to SVs but I think I've seen similar symptoms caused by them sticking.

Sir Trev · 03-12-17, 05:56 PM

How old is the choke cable? They stick after a while and need replacing.

Mine started sticking intermittently which was a pain as you cannot tell if it's balanced right until you know the choke plungers are being returned properly.

simon1 · 03-12-17, 07:36 PM

Hi
Thanks for all the info......re choke....the wire is going all the back...but the choke could still be open?

simon1 · 03-12-17, 08:09 PM

I will change all my throttle ,choke cables all though they seem ok....one thing,are the naked model cables longer because they have the high bars??....

simon1 · 03-12-17, 08:39 PM

just one thing....when the engines warm and I pull out the choke the engine starts to die...due to being to rich??...so if the choke was stuck wouldn't this happen?

maviczap · 04-12-17, 09:39 AM

Quote:

Originally Posted by simon1

Hi
Thanks for all the info......re choke....the wire is going all the back...but the choke could still be open?

It might be going all the way back at the bar, but it splits into two under the tank, so one of these could be causing your issue

mep · 04-12-17, 01:17 PM

Some years ago I had an intermittent tick over problem with my Curvy. The main problem was the choke cable was sticking after the split for one of the cylinders so a new one sorted that. Also one of the carbs was not connected properly to the airbox too, which didn't help.

02-12-17, 02:17 PM	#1
simon1 Member Join Date: Nov 2017 Posts: 80	sv650 tick over Hi My sv650 k1 model is idling to fast....idle screw is adjusted...throttle is as closed as it can be,,,,,one thing I did was put my hand over the opening of the front carb,while engine was running...felt the suction,then fuel,then engine stopped due to flooding I assume?....did the same with the rear carb...felt the suction,then fuel..but the engine did not stop..could this suggest a air leak in the rear carb,making the tickover to high???

02-12-17, 07:59 PM	#2
johnnyrod Member Mega Poster Join Date: Jul 2003 Location: Doncaster, oop norf Posts: 2,122	Re: sv650 tick over Are the carbs balanced, even roughly?

02-12-17, 10:21 PM	#3
simon1 Member Join Date: Nov 2017 Posts: 80	Re: sv650 tick over Hi, No I have not balanced them.....why can this cause a fast idle?......got to say otherwise the bike goes well..no flat spots..starts fine etc Thanks

03-12-17, 11:47 AM	#4
R1ffR4ff Member Mega Poster Join Date: Feb 2017 Location: JAMOADR(1999 Curvy) 36,000 miles Posts: 1,429	Re: sv650 tick over I think you are in the right direction with an Air-leak but also search the forum for problems with the Choke Plungers.I'm still pretty new to SVs but I think I've seen similar symptoms caused by them sticking. __________________ "Stultus est sicut stultus facit"

03-12-17, 05:56 PM	#5
Sir Trev Member Mega Poster Join Date: Jun 2005 Location: High Wycombe, where the chair factories used to be Posts: 1,440	Re: sv650 tick over How old is the choke cable? They stick after a while and need replacing. Mine started sticking intermittently which was a pain as you cannot tell if it's balanced right until you know the choke plungers are being returned properly. __________________ We are the Goon Squad and we're coming to town, BEEP BEEP!

03-12-17, 07:36 PM	#6
simon1 Member Join Date: Nov 2017 Posts: 80	Re: sv650 tick over Hi Thanks for all the info......re choke....the wire is going all the back...but the choke could still be open?

03-12-17, 08:09 PM	#7
simon1 Member Join Date: Nov 2017 Posts: 80	Re: sv650 tick over I will change all my throttle ,choke cables all though they seem ok....one thing,are the naked model cables longer because they have the high bars??....

03-12-17, 08:39 PM	#8
simon1 Member Join Date: Nov 2017 Posts: 80	Re: sv650 tick over just one thing....when the engines warm and I pull out the choke the engine starts to die...due to being to rich??...so if the choke was stuck wouldn't this happen?

04-12-17, 01:17 PM	#10
mep Member Join Date: Mar 2010 Location: Torquay Posts: 208	Re: sv650 tick over Some years ago I had an intermittent tick over problem with my Curvy. The main problem was the choke cable was sticking after the split for one of the cylinders so a new one sorted that. Also one of the carbs was not connected properly to the airbox too, which didn't help.

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