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Yep, another ER5 that won't fire

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Spamalittle
Scooby Slapper



Joined: 15 Nov 2012
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PostPosted: 09:27 - 29 May 2015    Post subject: Yep, another ER5 that won't fire Reply with quote
Anybody got an idea of where to start diagnosing a 2001 ER5 that's turning over at a decent clip but won't fire?

Struggled to get the OH's ER5 fired up last week but after some perseverance it did eventually go. Tried again this morning and it's just a no go. Not even a cough.

I'm thinking it's either a fuelling issue - carbs needing a good clean maybe? Or could it be the starter motor?

New battery and plugs in it so I know they're okay.

I'm pretty new to the DIY mechanic bit so any thoughts much appreciated.

Cheers

Also, whilst I'm here - at what point should you stop turning it over for fear of flooding the engine?
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mudcow007
World Chat Champion



Joined: 01 Feb 2012
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PostPosted: 09:49 - 29 May 2015    Post subject: Reply with quote
when your trying to start it are you cracking the throttle open?
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Spamalittle
Scooby Slapper



Joined: 15 Nov 2012
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PostPosted: 11:09 - 29 May 2015    Post subject: Reply with quote
Yes, full choke and about half to two thirds throttle...
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UncleFester
World Chat Champion



Joined: 30 Jun 2013
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PostPosted: 11:46 - 29 May 2015    Post subject: Reply with quote
Sure the leads are on the plugs properly? And if there is a fuel tap ... are you sure it's not been flicked to reserve / off?
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Rogerborg
nimbA



Joined: 26 Oct 2010
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PostPosted: 12:40 - 29 May 2015    Post subject: Reply with quote
Spamalittle wrote:
about half to two thirds throttle...

Why?

I know it depends on the bike, but my principle is that if it'll idle without throttle then it should fire up without it as well.

I never opened the throttle when starting my GPZ, for example, and my Enfield will kick back if the merest hint of throttle is applied while starting.
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GONE: HN125-8, LF-250B, GPz 305, GPZ 500S, Burgman 400 // RIDING: F650GS (800 twin), Royal Enfield Bullet Electra 500 AVL, Ninja 250R because racebike
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Spamalittle
Scooby Slapper



Joined: 15 Nov 2012
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PostPosted: 13:20 - 29 May 2015    Post subject: Reply with quote
Rogerborg wrote:

Why?

I know it depends on the bike, but my principle is that if it'll idle without throttle then it should fire up without it as well.

I never opened the throttle when starting my GPZ, for example, and my Enfield will kick back if the merest hint of throttle is applied while starting.


I agree that it shouldn't be necessary but she's a grumbly old girl who requires a loving kick augmented by a touch of voodoo to get her to wake up in the morning (much like me). Does struggle to idle w/o throttle for the first minute or so - even at full choke.

UncleBFester wrote:
Sure the leads are on the plugs properly? And if there is a fuel tap ... are you sure it's not been flicked to reserve / off?


Tap definitely on run. Will give the leads a clean and wiggle after work and look at the carbs over the weekend I guess.
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Monkeywrenche...
Nearly there...



Joined: 27 Mar 2015
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PostPosted: 17:32 - 29 May 2015    Post subject: Reply with quote
Start at the start.... Have a good go at starting it, then whip out a spark plug, or both. Is it covered in petrol or bone dry.

If its dry you have a fuel problem... wet its probably spark related.

that's a better place to start diagnosing the problem from.

If the starter is turning the engine over (you say it is at "a good clip") there's not a fault with it.
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Old Thread Alert!

The last post was made 11 years, 106 days ago. Instead of replying here, would creating a new thread be more useful?
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