Not Starting!

[Cursed]

So the GSX that belonged to my dad and has been in bits since 2014 is pretty much all back together except for a few items...

Today was the moment of truth to fire it up and.... Nothing!

It's turns over fine, but doesn't start! Pulled the plugs they look damp(ish) but not soaked, I'm getting a spark, there's no error codes on the dash. The exhaust smells very faintly of fuel, but not very strong.

Whilst trying on and off for an hour or so l got a couple of decent backfires out the exhaust and couple of coughs out the airbox but that's been it.

Any ideas?

[seth]

What year is it ?
as they have an  imobiliser fitted from 2005 onwards
Are the clutch and side stand switches fitted and working ?
Have you checked the fuel pump filters and pressure regulator as the can also cause problems.
Do the clocks do the sweep when the ignition is turned on .

[Cursed]

2003, that info would help!

I've pulled the fuel hose off and turned the ignition on, the pump is definitely working.

Clutch switch works, I've lifted the sidestand when starting just to be sure!

Clocks sweep fine.

[seth]

Ok so no imobiliser to worry about .
Sounds to me like it'll be a dodgy connector somewhere if it's doing as it should I'd also replace the spark plugs even if you have a spark and check the air filter is clean.
Is thier anyone near by with a similar aged bike you could try the ecu on for instance and swopping over complete tank .

Good luck

[seth]

Thinking more after you've gone through the stuff already said your looking at possible injectors being blocked or dirty.
There's s link in the suppliers section on where to get them serviced as when mine got clogged I had simular problems .
Good luck .

[KiwiCol]

When you say it's been in bits, just how many bits?  as in was the engine disassembled? or partly?    Sounds to me like a timing issue with the backfires etc.

It's not got spiders living (or were) in the fuel lines?

[Irish in Oz]

Are the plug leads on the right firing order.

[Cursed]

Engine has been apart, the timing was set but maybe I'll need to revisit it.

Yes leads are on ordered 1 to 4, the HT leads are still numbered.

[grog]

Are they new spark plugs mate?

[Blubber]

Engine has been apart, the timing was set but maybe I'll need to revisit it.

Yes leads are on ordered 1 to 4, the HT leads are still numbered.

maybe switched the loom side of the coils? 

[Cursed]

Engine has been apart, the timing was set but maybe I'll need to revisit it.

Yes leads are on ordered 1 to 4, the HT leads are still numbered.

maybe switched the loom side of the coils? 

I've checked the manual, they're definitely correct - Would have liked it if the fix was that simple!

[Cursed]

Are they new spark plugs mate?

No but it doesnt feel like it's even really trying to start, I have a feeling fuel isn't getting past the injectors...

[seth]

If it's the injectors you can have them tested and refurbed by the company in this thread
http://gsx1400owners.org/forum/index.php?topic=95.0

Has anything else been changed with the bike is a power commander added or removed or anything else.
When the bikes not starting is the First light flashing for example .

These kind if faults can be really hard to pin point so the more info you have the better help we can offer to you .
Good luck

[Cursed]

If it's the injectors you can have them tested and refurbed by the company in this thread
http://gsx1400owners.org/forum/index.php?topic=95.0

Has anything else been changed with the bike is a power commander added or removed or anything else.
When the bikes not starting is the First light flashing for example .

These kind if faults can be really hard to pin point so the more info you have the better help we can offer to you .
Good luck

There's no error codes or FI light up at all - I sort of wish there was so I had some information in regards to what's causing the issue.

The bike has been in bits for 5 years, i've just rebuilt it. I've removed the PC just to eliminate that from being the cause of any issues.

Because it's been sat for so long i'm inclined to believe it could well be the injectors or the fuel pump teabag filter but I can't be sure.

When the fuel hose is off and I turn on the ignition the tank definitely pumps fuel but i've got no way of testing the pressure.

I've seen some information online in regards to testing injectors at home so I might have to look into that.

[Cursed]

Also, as you've said previously the pressure regulator could cause issues so it might just be worth pulling the pump to check this and the tebag filter at the same time.