derbi senda bogging low down in revs

[b0unt1 tw1ns]

Hi there guys ive reciently bought a metrakit pipe and air filter for my 2004 derbi senda drd. Ive put them both on went for a test drive and it dosent go very well until it gets to bout 6000 rpm could any one tell me what my problem may be. many thanks tom

[P.addy]

did you change jets in the carb?
you know... 3rd post about this same bike/exhaust, how about actually reading the info?

[b0unt1 tw1ns]

sorry m8 for so many posts but pple not replying with very good answers

[P.addy]

just buy some jets for your carb, go up 2 or 3 sizes, see how your spark plug looks after a a nice trip out, then re check and rejet.

Just get it so your plug is a nice tan/coffee brown colour.

Or just flog and buy a 125

[b0unt1 tw1ns]

ok thanks alot mate ill try that later and let you know how it was