AaSa.gr - Yamaha

Cylinderhead full Drag modification with +2mm oversize valves, CNC, Porting ,high-flow special copper, seats and special copper guides !!!

Genuine Yamaha LC135 CryptonX135 cylinder head came to us for full works! We installed oversize copper seats 22-19, stainless steel valves, and of course CNC Porting with a dimpled intake!

Yamaha XT600 +2mm oversized stainlesssteel valves and Copper seats

Yamaha TDM 900 cylinderhead performance modification with high-flow copper seats, high quality AaSa copper guides, and oversize (+2mm) stainless steel valves !!