Engine idling fast - what's up? - SV650.org

21-02-06, 08:49 AM

Went on hols last week and the bike cover blew off and it got drenched.

When I came back the choke would not open fully, it was running on one cylinder and it was backfiring something alarming

I greased choke lever on bar and that is fine.

I reckoned it was water in fuel either in carbs or tank.

But now it is idling 1,000 rpm above normal and no adjustment slows it enough.

Pretty cryptic I know but does anyone have any ideas???

cheers all

21-02-06, 08:59 AM

Sounds like the choke cables are sticking.

northwind · 21-02-06, 11:28 AM

Could be a vacuum leak, though that'd usually cause irregular running. Have you been under the tank at all recently?

21-02-06, 11:30 AM

Haven't been under the tank....yet

But I would need to to grease the choke cables no????

cheers guys

northwind · 21-02-06, 11:50 AM

Yup. Though it might not be a case of greasing it (though that's a good idea anyway)- there's a y-splitter down the left hand side of the carbs that can crack and allow the cables to come loose. Also, the springs in the plungers can break or corrode, causing the same effect yet again.

Or it might be something else entirely

21-02-06, 11:52 AM

cheers Northwind

will lift the tank and give it look

always paranoid about messing up the fuel line etc putting the tank back on...

21-02-06, 08:49 AM	#1
huge Guest Posts: n/a	Engine idling fast - what's up? Went on hols last week and the bike cover blew off and it got drenched. When I came back the choke would not open fully, it was running on one cylinder and it was backfiring something alarming I greased choke lever on bar and that is fine. I reckoned it was water in fuel either in carbs or tank. But now it is idling 1,000 rpm above normal and no adjustment slows it enough. Pretty cryptic I know but does anyone have any ideas??? cheers all

21-02-06, 11:28 AM	#3
northwind Moderator Mega Poster Join Date: Jan 2004 Location: In the garage where I belong Posts: 17,083	Could be a vacuum leak, though that'd usually cause irregular running. Have you been under the tank at all recently? __________________ "We are the angry mob, we read the papers every day We like what we like, we hate what we hate But we're oh so easily swayed"

21-02-06, 11:50 AM	#5
northwind Moderator Mega Poster Join Date: Jan 2004 Location: In the garage where I belong Posts: 17,083	Yup. Though it might not be a case of greasing it (though that's a good idea anyway)- there's a y-splitter down the left hand side of the carbs that can crack and allow the cables to come loose. Also, the springs in the plungers can break or corrode, causing the same effect yet again. Or it might be something else entirely __________________ "We are the angry mob, we read the papers every day We like what we like, we hate what we hate But we're oh so easily swayed"

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21-02-06, 08:59 AM	#2
Scoobs Guest Posts: n/a	Sounds like the choke cables are sticking.

21-02-06, 11:30 AM	#4
huge Guest Posts: n/a	Haven't been under the tank....yet But I would need to to grease the choke cables no???? cheers guys

21-02-06, 11:52 AM	#6
huge Guest Posts: n/a	cheers Northwind will lift the tank and give it look always paranoid about messing up the fuel line etc putting the tank back on...