YSS 495mm - 4.8Nm Fork springsRef : YSS00221A / 1037450

YSS Fork Spring 495 mm - 4.8 Nm (manufacturer ref. LO430A048S495X): spring designed for motocross forks, intended to replace original components and adapt stiffness to off-road conditions. Manufactured by YSS, this spring is aimed at riders seeking intermediate stiffness for cross/off-road practices.

• Length: 495 mm
• Stiffness: 4.8 Nm
• Upper inner diameter: 43 mm
• Lower inner diameter: 43 mm
• Rider weight: 85-95 / 95-105 kg
• Category: Spring kit — Cross universe
• Common compatibilities: YAMAHA YZ 450 F (CJ23) 2020, SUZUKI RM-Z 450 (2012), KAWASAKI KX 250 F (KX250X) 2010 (check fitment before purchase)

This YSS spring installs directly as a replacement on forks accepting an inner diameter of 43 mm. It allows for adjusting the stiffness curve to better match the rider's weight and cross riding style. Before installation, check the general condition of the fork (stems, seals, oil) and follow the manufacturer's recommendations for preload and oil filling. For optimal adjustment, have the fork set up by a technician if necessary.