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+--- Thread: Loss of power then fine? ? (/showthread.php?tid=72977)
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Re: Loss of power then fine? ? - Freck - 27-06-15
(27-06-15, 04:42 PM)darrsi link Wrote: [quote author=Freck link=topic=17409.msg201291#msg201291 date=1435348075]
Have a try riding it with the fuel cap open, well just unlocked. I've heard before of running problems being caused by the fuel cap vent being partially blocked.
Something to do with a vacuum being created in the tank causing starvation to the carbs.... Worth a try
I would still change the fuel filter too for what they cost.
Steve
Bit dangerous that trick, if it is a blocked air vent then next time it happens open the fuel cap and see if the tank gasps for air.
[/quote]
Lol, I only meant down the road slow speed maybe in a quiet car park, not a 50 mile country lane scratch with his knee down :lol
Re: Loss of power then fine? ? - odbguy - 28-06-15
If it is a blocked air vent how can i sort that?
Will riding it steady round a car park or something solve the problem ??
Sorry if that's a stupid question ? :/ ha
Re: Loss of power then fine? ? - darrsi - 28-06-15
Different bike, but explains quite well.
http://www.apriliaforum.com/forums/showthread.php?274808-Where-is-the-breather-hole-in-the-fuel-tank
Re: Loss of power then fine? ? - odbguy - 28-06-15
(28-06-15, 03:39 PM)darrsi link Wrote: Different bike, but explains quite well.
http://www.apriliaforum.com/forums/showthread.php?274808-Where-is-the-breather-hole-in-the-fuel-tank
Ahhh nice one cheers darrsi.
I will have a look Friday morning when I'm home. Cheers
Re: Loss of power then fine? ? - odbguy - 06-08-15
So this problem has returned?
The bike just started running OK and has been fine up til today and is worse than before.
I'm thinking of changing the spark plugs but left the trusty Haynes manual on camp and I'm on leave now
Is it possible to leave tank on and change plugs or is that just making the job awkward for myself and should take of the tank and other parts above the plugs.
Re: Loss of power then fine? ? - Freck - 06-08-15
You can get the Haynes manual in the Downloads section
Re: Loss of power then fine? ? - odbguy - 06-08-15
Cheers freck. I did look and didn't see it, I'll have another look now. Ta mate
Re: Loss of power then fine? ? - odbguy - 06-08-15
Found it !! Thank you
Re: Loss of power then fine? ? - odbguy - 06-08-15
The Haynes manual doesn't really seem to say much about how to do the job?? Or am I looking at the wrong bit? Lol ..
Never mind .. I have another look in the morning and see what happens :/
Re: Loss of power then fine? ? - darrsi - 07-08-15
You don't need to touch the tank at all to change the plugs.
Just go easy when doing it, try as much as possible to undo and tighten the plugs with your fingers, and keep the plugs upright, don't hang off them sideways with a socket and wrench or whatever you use.
Before undoing you should really use an air line or can of air and blow any crap away from around the plug area.
You'd be surprised how much shite gathers around the plugs over time and once you remove a plug the first place this said shite is going is downwards.
This is not good.
You don't want it in your engine so a good blast of air is always a plus.
When putting new plugs back in, tighten up as much as you can using fingers, to avoid cross threading, then idealy they should be torqued up to avoid under or over tightening which can cause all sorts of bad news.
Do not use any anti sieze (copper) grease or lube, it's not needed at all as the coating on the threads prevents corrosion, plus your torque settings will be totally wrong.
Re: Loss of power then fine? ? - odbguy - 07-08-15
(07-08-15, 06:47 AM)darrsi link Wrote: You don't need to touch the tank at all to change the plugs.
Just go easy when doing it, try as much as possible to undo and tighten the plugs with your fingers, and keep the plugs upright, don't hang off them sideways with a socket and wrench or whatever you use.
Before undoing you should really use an air line or can of air and blow any crap away from around the plug area.
You'd be surprised how much shite gathers around the plugs over time and once you remove a plug the first place this said shite is going is downwards.
This is not good.
You don't want it in your engine so a good blast of air is always a plus.
When putting new plugs back in, tighten up as much as you can using fingers, to avoid cross threading, then idealy they should be torqued up to avoid under or over tightening which can cause all sorts of bad news.
Do not use any anti sieze (copper) grease or lube, it's not needed at all as the coating on the threads prevents corrosion, plus your torque settings will be totally wrong.
Sound. Cheers very much darrsi
Re: Loss of power then fine? ? - odbguy - 08-08-15
Changed the plugs. Bikes running sweet now cheers Darrsi
.. dunno why I was so worried !! Lol
Re: Loss of power then fine? ? - darrsi - 08-08-15
(08-08-15, 10:49 PM)odbguy link Wrote: Bikes running sweet now cheers Darrsi
.. dunno why I was so worried !! Lol
Cool