Factory spark plug

• Extremely robust spark plug
• Center electrode tip made of iridium
• Reinforced ground electrode (against vibration and breakage)
• Special design with improved anti-sooting characteristic
• Recommended in combination with factory cylinder heads, factory exhaust systems or factory digital box

FITS:

MX

• 125 SX between 2000-Current
• 150 SX between 2011-Current

Cross country

• 125 XC - 2021
• 150 XC between 2010-2013