Hellooo I got an rs 50 2000 Plate
I Have Got an Arrow Exhaust
And Also Running a K&N
It Broke Down On Me
Got It Home N Found Out My SparkPlug Has Been Melted

Been told ITs Running Leen ..
The Needle Slider Is On The Last Notch At The Very Bottom.
Been Told By A Few People It Needs Re-jettin ..

I am Running A 102 Main Jet Atm ..
Buh Im Not Sure What Size Main Jet I Need To Overcome This Problem ..

Please Help
Damoo ..