YSS SUSPENSION Progressive fork spring 743.06.91

YSS Progressive Wire fork springs with a firmer design than stock.

YSS fork springs are made of high quality silicon spring steel. This allows the thickness of the wire to be reduced, which makes the spring more active and thinner, but at the same time effectively prevents twisting of the spring.

To minimize noise and improve oil flow in the fork, the springs are fully polished and ground on the top and bottom.

The scope of delivery includes 2 springs for a complete conversion of the fork.
SPRING TYPE: PROGRESSIVE
LENGTH: 290MM
DIAMETER 1: 43MM
HARDNESS 1: 9 N/MM
HARDNESS 2: 11 N/MM
LEFT AIR CHAMBER: 120 MM
RIGHT AIR CHAMBER: 120 MM
RECOMMENDED VISCOSITY: 15W


APPLICATIONS OF THIS PRODUCT:
According to the data provided by the manufacturer, this article is compatible with the following brands, models and years:
Harley Davidson VRSCA 1130 V-Rod 117 CV, 86 kw 2cil. HAZ VR1 Bastidores: --- 2002-2006
Harley Davidson VRSCA 1130 V-Rod 99 CV, 73 kw 2cil. HAA VR1 Bastidores: --- 2002-2005
Harley Davidson VRSCB 1130 V-Rod 117 CV, 86 kw 2cil. HBZ VR1 Bastidores: --- 2004-2005
Harley Davidson VRSCB 1130 V-Rod 99 CV, 73 kw 2cil. HBA VR1 Bastidores: --- 2004-2005
Harley Davidson VRSCD 1130 Night Rod 121 CV, 89 kw 2cil. HDZ VR1 Bastidores: --- 2006