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Aprilia Pegaso Strada fuelling

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BOL D'OR View Drop Down
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    Posted: 21 Mar 2017 at 08:59
Just bought a 56 plate Aprilia Pegaso Strada, only 6000 miles and in pretty amazing nick.
Just for commuting and pottering around, the RSV is a pain for that sort of riding.
Anyway, I'd read the low throttle fuelling was pretty bad, but it's worse than I expected.Confused
I also get a lot of popping on the overrun, both when revving it at a standstill and running.
Fuel throttle is fine, it idles fine, there's no fault lights.
Is this just the way they are, or should I consider getting the throttle body/Co2 and other things checked out?
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Zax View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Zax Quote  Post ReplyReply Direct Link To This Post Posted: 21 Mar 2017 at 09:05
I should put you down for the service day in Aberdeen then !  get both bikes done Big smile
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Post Options Post Options   Thanks (1) Thanks(1)   Quote Prsv Quote  Post ReplyReply Direct Link To This Post Posted: 21 Mar 2017 at 09:24
Snap got one couple of months back for same reasons. There's an air valve on exhaust port that causes popping so normal good for filtering wakes up the cage drivers. Look on AF1 pegaso section sticky there with tips air box snorkal mod improves 3k to 4k surging.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote BOL D'OR Quote  Post ReplyReply Direct Link To This Post Posted: 21 Mar 2017 at 12:07
Originally posted by Zax Zax wrote:

I should put you down for the service day in Aberdeen then !  get both bikes done Big smile
 
A definite possibility Thumbs Up
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Post Options Post Options   Thanks (0) Thanks(0)   Quote BOL D'OR Quote  Post ReplyReply Direct Link To This Post Posted: 21 Mar 2017 at 12:10
Originally posted by Prsv Prsv wrote:

Snap got one couple of months back for same reasons. There's an air valve on exhaust port that causes popping so inormal good for filtering wakes up the cage drivers. Look on AF1 pegaso section sticky there with tips air box snorkal mod improves 3k to 4k surging.
 
Interesting, have you tried the mods yourself?
Do you have a link to the sticky, I can only see three and none of them are fuelling related?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote BOL D'OR Quote  Post ReplyReply Direct Link To This Post Posted: 21 Mar 2017 at 12:13
Oops, I was looking in the Pegaso 650 forum, didn't notice there's a separate one for Strada bikes from 2006 onwards.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Prsv Quote  Post ReplyReply Direct Link To This Post Posted: 21 Mar 2017 at 12:43
Its Apriliaforum AF1 Racing. Snokol had been done badly when put back in hadn't been seated in grove properly so made air restriction worse. lot better when it could breath. already had a K&N air filter.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote BOL D'OR Quote  Post ReplyReply Direct Link To This Post Posted: 21 Mar 2017 at 12:47
Going to try the snorkel mod tonight, also ordered an iridium plug.
Not bothering with K+N, I've already ordered a genuine Aprilia air filter as god knows when the one in it was changed.
Think I'll keep the standard pipes too, two noisy bikes might be too much for the wife/neighbours.
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Post Options Post Options   Thanks (1) Thanks(1)   Quote Prsv Quote  Post ReplyReply Direct Link To This Post Posted: 21 Mar 2017 at 13:01
Don't bother with iridium put CR7E plug in.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote BOL D'OR Quote  Post ReplyReply Direct Link To This Post Posted: 21 Mar 2017 at 13:54
Ach well, iridium plug is ordered now, wasn't expensive.
Looking forward to trying the snorkel mod. Smile
Did you bother with silicone sealant where the snorkel slots back into the airbox?
 
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Prsv Quote  Post ReplyReply Direct Link To This Post Posted: 21 Mar 2017 at 14:36
Used silicone to set it in place with rags stuffed down snorkol. But mine was kinked.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote BOL D'OR Quote  Post ReplyReply Direct Link To This Post Posted: 21 Mar 2017 at 14:59
Just done the mod at work, I think I've got the snorkel back in place OK.
Didn't have silicone, just sort of shoved it into place as best I could.
It's not as if I'll be riding it in biblical floods, I really don't think water ingress into the airbox will be an issue.
I'll maybe run around the rim with silicone at home later.
Definitely a bit more induction noise than before, hopefully it'll run better now too.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote BOL D'OR Quote  Post ReplyReply Direct Link To This Post Posted: 22 Mar 2017 at 10:18
Very pleased with the airbox mod, has made a good difference to the running.
Whereas before it felt like it was going to stall when I took off from lights, it now just pulls normally.
Evidently I was revving the bike into that awful 3000-4000rpm zone when pulling away, hence the feeling of going to stall and lurching.
 
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Prsv Quote  Post ReplyReply Direct Link To This Post Posted: 22 Mar 2017 at 15:49
You can't beat a free mod. Mines not perfect but can live with it.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote BOL D'OR Quote  Post ReplyReply Direct Link To This Post Posted: 22 Mar 2017 at 16:00
Yeah, I would say I can live with it too.
Bit of a shock going down to 40(ish) bhp though.
I'd be as well replacing the throttle with an on/off switch, it's just nailed all the time.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Tifa Quote  Post ReplyReply Direct Link To This Post Posted: 22 Mar 2017 at 16:54
Originally posted by BOL D'OR BOL D'OR wrote:


Bit of a shock going down to 40(ish) bhp though.



Just think how rapid the RSV will feel after a few weeks on it...Wink
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Post Options Post Options   Thanks (0) Thanks(0)   Quote BOL D'OR Quote  Post ReplyReply Direct Link To This Post Posted: 19 Apr 2017 at 11:01
How you getting on with your Pegaso?
The lack of power is getting to me a bit, I find I just have to basically 'go with the flow' in traffic as overtaking just isn't nippy enough to get past groups of cars.
So the only real advantage I get over taking the car is when it comes to stationary traffic.
I find myself wishing I was on the RSV, which kinda defeats the purpose of having the Pegaso at all....
 
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Prsv Quote  Post ReplyReply Direct Link To This Post Posted: 20 Apr 2017 at 21:30
Its not going to set the world on fire but suits me for commuting and should keep my licence. Mines the trail will be doing green lane rides as well.
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