28mpg, running rich pointy. - SV650.org

LewSpeight · 15-02-13, 08:45 PM

Fed up of this bike already.

I've put so much money into this bike (petrol)

It's running rich and back firing every now and again, and I've just calculated I'm getting 28mpg, most of it on the motorway.

Any advice!?

LewSpeight · 16-02-13, 08:51 AM

Nobody?

16-02-13, 08:59 AM

I have a very similar problem although I just about manage 32mpg! Have you got an aftermarket can/air filter etc?
I have checked my throttle position sensor (which was way out) and balanced throttle bodies but haven't found a noticeable difference as yet! Next on the list is to remove the k&n air filter an replace with an OEM one (along with plugs, oil and oil filter) if none of that works I'm considering a dyno run to see if I can work things out that way.

I have a scorpion stubby exhaust with no baffle!

Sent from my iPhone using Tapatalk

NTECUK · 16-02-13, 09:46 AM

What have you checked so far?
Air filter ok ,Temp sensor OK ?
Are both plugs running rich (Dark or even black fouling?)

Sid Squid · 16-02-13, 01:53 PM

Sensors, connections, coolant level.

16-02-13, 09:04 PM

Sid... Any 'specific' connectors/sensors to check?

Sent from my iPhone using Tapatalk

LewSpeight · 17-02-13, 10:37 AM

If I'm honest guys, I'm a noob when it comes to this kinda stuff. If it was carbed I'd be reet, but with it being fuel injected and stuff it scares me...
So I haven't actually 'checked' anything. In all honesty I think it's the fuel pump relay cos I found it worm down so much you can see inside it on one corner and it was corroded like mad from water. Where can I get a new one?

MJC-DEV · 17-02-13, 03:29 PM

Suzuki dealers, Wemoto, Robinson Foundry , Ebay bike breakers

05-03-13, 03:02 AM

Did you manage to fix it? I have the same problem on my '04 SV650S. The last 3 times I filled the tank the fuel light was on again before I hit 50 miles. It seemed to be getting worse recently. Then a few days ago the bike started for a split second, made a loud popping noise (which I guess was a backfire), died, and hasn't started since (aside from earlier when it started for a split second, where it did exactly the same thing as before.) Up until then the bike has been running mostly OK. Now it's not even functional.

yorkie_chris · 05-03-13, 09:55 AM

The TBs were a yard out of balance, the air filter was filthy. See what his new consumption is like...

15-02-13, 08:45 PM	#1
LewSpeight Member Mega Poster Join Date: Nov 2012 Location: Halifax, UK Posts: 1,167	28mpg, running rich pointy. Fed up of this bike already. I've put so much money into this bike (petrol) It's running rich and back firing every now and again, and I've just calculated I'm getting 28mpg, most of it on the motorway. Any advice!? __________________ BREAKING MY SV - CLICKY CLICKY You laugh at me because i am different.. ....................................I laugh harder because you are all the same.

16-02-13, 08:51 AM	#2
LewSpeight Member Mega Poster Join Date: Nov 2012 Location: Halifax, UK Posts: 1,167	Nobody? __________________ BREAKING MY SV - CLICKY CLICKY You laugh at me because i am different.. ....................................I laugh harder because you are all the same.

16-02-13, 09:46 AM	#4
NTECUK Member Mega Poster Join Date: Apr 2011 Location: essex Posts: 5,314	Re: 28mpg, running rich pointy - help! What have you checked so far? Air filter ok ,Temp sensor OK ? Are both plugs running rich (Dark or even black fouling?) __________________ Raisin cookies that look like chocolate chip cookies are the reason I have trust issues.

16-02-13, 01:53 PM	#5
Sid Squid No, I don't lend tools. Mega Poster Join Date: Jul 2003 Location: Skunk Works, Nth London Posts: 8,680	Re: 28mpg, running rich pointy - help! Sensors, connections, coolant level. __________________ If an SV650 has a flat tyre in the forest and no-one is there to blow it up, how long will it be 'til someone posts that the reg/rec is duff and the world will end unless a CBR unit is fitted? A little bit of knowledge = a dangerous thing. "a deathless anthem of nuclear-strength romantic angst"

17-02-13, 10:37 AM	#7
LewSpeight Member Mega Poster Join Date: Nov 2012 Location: Halifax, UK Posts: 1,167	If I'm honest guys, I'm a noob when it comes to this kinda stuff. If it was carbed I'd be reet, but with it being fuel injected and stuff it scares me... So I haven't actually 'checked' anything. In all honesty I think it's the fuel pump relay cos I found it worm down so much you can see inside it on one corner and it was corroded like mad from water. Where can I get a new one? __________________ BREAKING MY SV - CLICKY CLICKY You laugh at me because i am different.. ....................................I laugh harder because you are all the same.

16-02-13, 08:59 AM	#3
DanSp Guest Posts: n/a	I have a very similar problem although I just about manage 32mpg! Have you got an aftermarket can/air filter etc? I have checked my throttle position sensor (which was way out) and balanced throttle bodies but haven't found a noticeable difference as yet! Next on the list is to remove the k&n air filter an replace with an OEM one (along with plugs, oil and oil filter) if none of that works I'm considering a dyno run to see if I can work things out that way. I have a scorpion stubby exhaust with no baffle! Sent from my iPhone using Tapatalk

16-02-13, 09:04 PM	#6
DanSp Guest Posts: n/a	Sid... Any 'specific' connectors/sensors to check? Sent from my iPhone using Tapatalk

17-02-13, 03:29 PM	#8
MJC-DEV Member Join Date: Mar 2011 Location: Falmouth Posts: 621	Re: 28mpg, running rich pointy. Suzuki dealers, Wemoto, Robinson Foundry , Ebay bike breakers __________________ 2006 SK6, wavy discs, 8.5N K-Tech springs, Debrix Emulators, Nitron Shock, Silkolene RSF Pro 10W, Eastern Beaver H4 Dual Headlight Relay Kit, Avon Storm Ultra 2 tyres, Ebay billet brake/clutch levers

05-03-13, 03:02 AM	#9
KBSV650 Guest Posts: n/a	Re: 28mpg, running rich pointy. Did you manage to fix it? I have the same problem on my '04 SV650S. The last 3 times I filled the tank the fuel light was on again before I hit 50 miles. It seemed to be getting worse recently. Then a few days ago the bike started for a split second, made a loud popping noise (which I guess was a backfire), died, and hasn't started since (aside from earlier when it started for a split second, where it did exactly the same thing as before.) Up until then the bike has been running mostly OK. Now it's not even functional.

05-03-13, 09:55 AM	#10
yorkie_chris Noisy Git Mega Poster Join Date: Apr 2007 Location: Halifax/Leeds Posts: 26,645	Re: 28mpg, running rich pointy. The TBs were a yard out of balance, the air filter was filthy. See what his new consumption is like... __________________ Currently Ex Biker Now rebuilding a 63' fishing trawler as a dive boat

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