RR Insert Yamaha YZ 125

Inserts for the Factory 2.R Cylinderhead for Yamaha YZ125 2005-2021 and 2022-2025
Note: These inserts are specifically designed for a 12º piston (standard piston OEM engine).

2005-2021

• K05 (V=11,20cc – Piston Height=0,00mm – Squish=1,00mm) RR Recommended
• L05 (V=11,40cc – Piston Height=0,00mm – Squish=1,00mm)
• M05 (V=11,60cc – Piston Height=0,00mm – Squish=1,00mm)
• N05 (V=11,80cc – Piston Height=0,00mm – Squish=1,00mm)

2022-2025

• KR3M (V=11,20cc – Piston Height= -0,20mm – Squish=1,00mm)
• LR3M (V=11,40cc – Piston Height= -0,20mm – Squish=1,00mm)
• MR3M (V=11,60cc – Piston Height= -0,20mm – Squish=1,00mm)
• NR3M (V=11,80cc – Piston Height= -0,20mm – Squish=1,00mm)