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Buzzb View Drop Down
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    Posted: 09 Jun 2020 at 17:33
Hi I have a 2005 rsv
I ride it for about 70 miles it's perfect
Then it starts struggling to rev and will cut out
If I open fuel cap and close it it runs perfectly again
I am guessing this is a venting issue
What do I need to do to cure this
Thanks in advance
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Ice-mille View Drop Down
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Points: 786 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Ice-mille Quote  Post ReplyReply Direct Link To This Post Posted: 09 Jun 2020 at 17:38
Lift your tank and see if the nipples, at the bottom. With rubber hoses on them, are clogged. Mine where, used a needle to unclogge them.
Shake'n bake
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Points: 3485 		Post Options Post Options   Thanks (0) Thanks(0)   Quote wigginsjp Quote  Post ReplyReply Direct Link To This Post Posted: 09 Jun 2020 at 17:40
In addition. I’d recommend taking fuel pump out and cleaning the filters 

In particular the tea bag style one

I have had two bikes with those symptoms and cleaning the filter resolved issue 
Aprilia RSVR Factory 2007 V2 1060cc Big Bore
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Points: 5776 		Post Options Post Options   Thanks (0) Thanks(0)   Quote badapple Quote  Post ReplyReply Direct Link To This Post Posted: 09 Jun 2020 at 18:09
Both spot on replies Thumbs Up
I started out with nothing and I've still got most of it left
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legend88 View Drop Down
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Points: 6699 		Post Options Post Options   Thanks (0) Thanks(0)   Quote legend88 Quote  Post ReplyReply Direct Link To This Post Posted: 09 Jun 2020 at 18:20
Originally posted by Ice-mille Ice-mille wrote:

Lift your tank and see if the nipples, at the bottom. With rubber hoses on them, are clogged. Mine where, used a needle to unclogge them.


Yep, mine wouldn't budge with a needle the alloy nipple had corroded solid. I needed to use a drill to clear it
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IanG View Drop Down
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Likewise,I opened mine out to a far bigger dia to stop it happening again

Just be sure to stop the bit before it goes too deep and and out the side of the pipe though Wink
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snowman View Drop Down
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Points: 1411 		Post Options Post Options   Thanks (0) Thanks(0)   Quote snowman Quote  Post ReplyReply Direct Link To This Post Posted: 09 Jun 2020 at 20:28
Might pay to get a hand propelled hobby drill , not that I have ever used one LOL has anyone?
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IanG View Drop Down
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Points: 10767 		Post Options Post Options   Thanks (0) Thanks(0)   Quote IanG Quote  Post ReplyReply Direct Link To This Post Posted: 09 Jun 2020 at 21:38
I used my 18v cordless with the bit progressively further out of the chuck

If you're only unclogging just hold the correct sized drill bit in a hand chuck/tap wrench/mole grips or whatever and just twist while pushing through the nipple.

I did wonder afterwards if squirting some kettle limescale remover down the pipe from the top might have helped, but in my case I improved the situation and there is no way the pipe can get blocked now
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Cheers everybody
Great advice  
Hopefully this should solve the problem 
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Points: 102 		Post Options Post Options   Thanks (0) Thanks(0)   Quote david000 Quote  Post ReplyReply Direct Link To This Post Posted: 04 Jun 2022 at 21:04
Bump.

My 2004 Gen 2 Factory is suffering the same symptoms as the op.  Opening the cap relieved the situation but it was only filling back up which got me moving again.

I'll have a loop at the nipples, any idea on how deep you can go before bad things happen ?
  
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Points: 3485 		Post Options Post Options   Thanks (0) Thanks(0)   Quote wigginsjp Quote  Post ReplyReply Direct Link To This Post Posted: 04 Jun 2022 at 22:57
Unscrew the nipples and remove them first before drilling. Then drill all the way through. 

Make sure you soak them with penetrating oil first to help removal and ensure you don’t over tighten them when going back in. I used some copper slip just in case. 
Aprilia RSVR Factory 2007 V2 1060cc Big Bore
Aprilia RSVR Factory 2004 Race Bike
Kawasaki ZX10R 2007 Race Bike
Aprilia Tuono V4 1100 Factory 2020
www.apriliaperformance.co.uk
www.apworkshops.co.uk
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IanG View Drop Down
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Points: 10767 		Post Options Post Options   Thanks (0) Thanks(0)   Quote IanG Quote  Post ReplyReply Direct Link To This Post Posted: 04 Jun 2022 at 23:27
Mine wouldn't unscrew before fear made me reconsider LOL

If you use a short jobber drill and start with a small projection out of the chuck just increase the projection progressively and you'll feel when you clear the back of the nipple.

I actually opened the bore on mine up considerably to stop any possibility of the blockage recurring. I also squirt a blast of WD40 down the drain hole periodically just to check.
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Points: 102 		Post Options Post Options   Thanks (0) Thanks(0)   Quote david000 Quote  Post ReplyReply Direct Link To This Post Posted: 06 Jun 2022 at 09:14
Thanks both.  Could be a job for the Winter ! 


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426hemi View Drop Down
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I cleaned them out at the bottom and fed a piece of wire down from the filler cap, it pushed some extra fine debris out.
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Points: 539 		Post Options Post Options   Thanks (0) Thanks(0)   Quote albrown001 Quote  Post ReplyReply Direct Link To This Post Posted: 22 Jul 2022 at 11:12
I did a post on this awhile ago. I used to carry a small drill to drill up through the nipples every now and then. I got fed up with doing that after a few years so just replaced the nipples with new ones that I got anodised. I put chainsaw fuel filters on the end of the pipes that exit at the bottom of the bike to stop dirt blocking them up. When I put the new nipples in I put copper grease on the threads  as well. Hope that helps 
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Points: 102 		Post Options Post Options   Thanks (0) Thanks(0)   Quote david000 Quote  Post ReplyReply Direct Link To This Post Posted: 22 Jul 2022 at 12:49
Thanks all. It's going to be a Winter job so will take a look then.
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