ESR racing Valve springs - Yamaha T150/R15 V2/FZ150i

UMA Racing aftermarket valve springs ensure linear tension under fast compression when using high lift camshafts, and are stiffer to prevent valve float at high engine RPM.

Details:

• 3.0mm Spec 63mm - 65mm
• 2.9mm Spec 65mm - 68mm (JET 2 - JET 4)
• 3.0mm Spec 65mm - 70mm (JET 4 - JET 8)

Fitting:

Yamaha R15 V2

Yamaha Fz150i Vixion

Yamaha Y15ZR/Jupiter MX King/Exciter/Sniper/ T150