Piaggio NRG Extreme 2003 A/C

[NRG Extreme]

Hi There!

Right, I have a Doppler S3R Pipe, and after looking on the internet, alot of people have the same problem, They say, when the pipe is fitted, it will reach 30mph, and then bog, and not go any higher, I've read on another forum that it will be Roller Weights yet some say it is jetting, Many people who do this put the pipe on with the standard rollers, but some have different rollers and have no problems, What do you think? Rollers or Jets?

This what one guy said, it's the same bike as mine. What size rollers would you reccomend?

What some guy said, I'll have the same problem if i have standard rollers (which i do!)

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1. Start bike, Idles fine, Revs fine
2: Nock off stand. Pull throttle, revs, no pull.
3. Sudden boost, jet engine style to 30 mph
4. Dies down again, Revs stay at 6000rpm (normal cruising rpm with standard pipe anyway) speed drops.
5. Stop the bike, confused and turn it off.

Is this rollers or jets? as i would much rather spend £8 on a set of rollers than £100 on a mechanic jetting my bike!

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Thanks

[NRG Extreme]

Bump - Anyone at all?