Starting Issue curvy - SV650.org

hindle8907 · 30-03-13, 08:44 PM

My dad got a 51 pate curvy about 6 months ago, and was then made redundant so didnt sit his tests, the bike started and run fine, I also riden the bike once or twice a few days after him buying it.
Its now been sat for around 5 months.
Today I went round with my working battery and conected it up.
The bike is cranking but not starting eveything sounds normal just doesnt fire up.
I thinking maybe the petrol has gone off and maybe topping up with some fresh would help ?

Anyone else got any other suggestions.

Regards
Ant

andrewsmith · 30-03-13, 08:52 PM

Ant its best to lift the tank and take the air box off.
Crack open the drain screws on the bottom of the carbs, pull the vac hose off the rear carb and suck on the hose. You should get fuel through the carbs. Nip up the bowl drains and give it a crank

HTH

dirtydog · 31-03-13, 08:09 AM

Possibly worth taking the carbs off and giving them a clean as there may be some crud in them

hindle8907 · 16-06-13, 09:24 PM

Ok finally got round to having another look at my dads bike today.
Took the carbs off and drained them and gave them a quick clean they appred to be fine, drained tank put fresh fuel in and it still doesn't start.
I took out the rear spark plug and pressed the starter and held it near the engine casing and I don't see any spark.
I have also noticed that the clutch switch has been bypassed at some point as I can turn it over without holding it in.
Any more advice would be appreciated.

Matt-EUC · 16-06-13, 10:20 PM

May sound like a stupid question, but have you checked the killswitch?

DJ123 · 16-06-13, 10:22 PM

it wouldn't crank over if the kill switch was faulty

Matt-EUC · 16-06-13, 10:28 PM

I knew that... To be honest I've never tried to start my engine with the kill switch on. On my old bike it would turn over but not fire. Oh, and check your PMs for my lunch order.

andrewsmith · 17-06-13, 04:01 AM

New battery ant. Also prime the carbs, pull the vac hose off the rear carb, slightly crack the carb bowl drains and suck on the hose
It'll make firing it easier.

sent from a weapon of mass distraction

hindle8907 · 17-06-13, 08:02 AM

It's got a new battery Andy.
Petrol is getting to the carbs as I've drained them twice now.
Also I switched the plug for a known good one and still don't see a spark.

jambo · 18-06-13, 12:05 PM

If it's cranking but not starting you probably want to check:

Connection from the pickup to the ECU, ECU to coils. That'd be where I'd start.

You have main power, and it's affecting both cylinders from the description so it's got to be fairly fundamental. All the safety cut outs should stop the starter spinning.

Jambo

30-03-13, 08:44 PM	#1
hindle8907 Member Mega Poster Join Date: May 2009 Location: Manchester Posts: 1,492	Starting Issue curvy My dad got a 51 pate curvy about 6 months ago, and was then made redundant so didnt sit his tests, the bike started and run fine, I also riden the bike once or twice a few days after him buying it. Its now been sat for around 5 months. Today I went round with my working battery and conected it up. The bike is cranking but not starting eveything sounds normal just doesnt fire up. I thinking maybe the petrol has gone off and maybe topping up with some fresh would help ? Anyone else got any other suggestions. Regards Ant __________________ 2006-2007 -- Gilera Runner 50 - Sold 2007-2008 -- Hyosung XRX125 - Stolen 2009-2010 -- 05 SV650n - CAT - B 2010-Now -- 00 SV650s & 00 SV650n & GSXR 600 K2

30-03-13, 08:52 PM	#2
andrewsmith Member Mega Poster Join Date: Apr 2010 Location: Newcastle upon Tyne, Just south of salad dodging country Posts: 7,750	Re: Starting Issue curvy Ant its best to lift the tank and take the air box off. Crack open the drain screws on the bottom of the carbs, pull the vac hose off the rear carb and suck on the hose. You should get fuel through the carbs. Nip up the bowl drains and give it a crank HTH __________________ RIP Reeder 20/07/1988 - 21/03/2012. Always missed squire!!! Every year we meet old friends, gain some new ones, lose old ones and you always remember them all. “Live as if you were to die tomorrow. Learn as if you were to live forever.” Mahatma Gandhi

31-03-13, 08:09 AM	#3
dirtydog Knob faced knobster Mega Poster Join Date: Jan 2005 Location: Haslemere Posts: 5,419	Re: Starting Issue curvy Possibly worth taking the carbs off and giving them a clean as there may be some crud in them __________________ 2001 SV650 in shimmerin green, Not broken anymore

16-06-13, 09:24 PM	#4
hindle8907 Member Mega Poster Join Date: May 2009 Location: Manchester Posts: 1,492	Re: Starting Issue curvy Ok finally got round to having another look at my dads bike today. Took the carbs off and drained them and gave them a quick clean they appred to be fine, drained tank put fresh fuel in and it still doesn't start. I took out the rear spark plug and pressed the starter and held it near the engine casing and I don't see any spark. I have also noticed that the clutch switch has been bypassed at some point as I can turn it over without holding it in. Any more advice would be appreciated. __________________ 2006-2007 -- Gilera Runner 50 - Sold 2007-2008 -- Hyosung XRX125 - Stolen 2009-2010 -- 05 SV650n - CAT - B 2010-Now -- 00 SV650s & 00 SV650n & GSXR 600 K2 Last edited by hindle8907; 16-06-13 at 09:28 PM.

16-06-13, 10:20 PM	#5
Matt-EUC Member Mega Poster Join Date: Jan 2013 Location: Alton, Hampshire Posts: 1,606	Re: Starting Issue curvy May sound like a stupid question, but have you checked the killswitch? __________________ Ad eundum quo nemo ante iit - Ad infinitum et ultra White 650 V-Strom -No mods Blue curvy 650 (OMFG I FIXED IT!!!) -200mm Delkevic Stubby.

16-06-13, 10:22 PM	#6
DJ123 Member Mega Poster Join Date: Jul 2011 Location: Somewhere over there Posts: 3,245	Re: Starting Issue curvy it wouldn't crank over if the kill switch was faulty __________________ BMW F800ST

16-06-13, 10:28 PM	#7
Matt-EUC Member Mega Poster Join Date: Jan 2013 Location: Alton, Hampshire Posts: 1,606	Re: Starting Issue curvy I knew that... To be honest I've never tried to start my engine with the kill switch on. On my old bike it would turn over but not fire. Oh, and check your PMs for my lunch order. __________________ Ad eundum quo nemo ante iit - Ad infinitum et ultra White 650 V-Strom -No mods Blue curvy 650 (OMFG I FIXED IT!!!) -200mm Delkevic Stubby.

17-06-13, 04:01 AM	#8
andrewsmith Member Mega Poster Join Date: Apr 2010 Location: Newcastle upon Tyne, Just south of salad dodging country Posts: 7,750	Re: Starting Issue curvy New battery ant. Also prime the carbs, pull the vac hose off the rear carb, slightly crack the carb bowl drains and suck on the hose It'll make firing it easier. sent from a weapon of mass distraction __________________ RIP Reeder 20/07/1988 - 21/03/2012. Always missed squire!!! Every year we meet old friends, gain some new ones, lose old ones and you always remember them all. “Live as if you were to die tomorrow. Learn as if you were to live forever.” Mahatma Gandhi

17-06-13, 08:02 AM	#9
hindle8907 Member Mega Poster Join Date: May 2009 Location: Manchester Posts: 1,492	Re: Starting Issue curvy It's got a new battery Andy. Petrol is getting to the carbs as I've drained them twice now. Also I switched the plug for a known good one and still don't see a spark. __________________ 2006-2007 -- Gilera Runner 50 - Sold 2007-2008 -- Hyosung XRX125 - Stolen 2009-2010 -- 05 SV650n - CAT - B 2010-Now -- 00 SV650s & 00 SV650n & GSXR 600 K2 Last edited by hindle8907; 17-06-13 at 08:31 AM.

18-06-13, 12:05 PM	#10
jambo Member Mega Poster Join Date: Aug 2003 Location: Croydonia Posts: 5,376	Re: Starting Issue curvy If it's cranking but not starting you probably want to check: Connection from the pickup to the ECU, ECU to coils. That'd be where I'd start. You have main power, and it's affecting both cylinders from the description so it's got to be fairly fundamental. All the safety cut outs should stop the starter spinning. Jambo __________________ Modern motorcycles are bloody brilliant, enjoy it while we can

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