Front Spring XJR400 XJR400S

[HYPERPRO 22033010 Front Spring XJR400 XJR400S Suspension Fork Spring]
■Front Spring
Suspension springs with a constant rising rate, uniquely designed by Hyperpro.
The spring rate constantly changes in response to the suspension's movement.
It maintains a state that is neither too soft nor too hard, and also has the ability to withstand high-load cornering and sudden braking.
●Optimizes caster changes during braking before corners, making it easier to transition to the next action. Absorbs small gaps during cornering, eliminating vibrations that interfere with the rider.
●Unlike ordinary springs, there is no constant spring rate, so there is no resonance.
●Springs wound by computer-controlled machine tools are shot-peened to remove fine surface scratches that lead to performance deterioration. Furthermore, after completion, each spring undergoes a performance inspection by a tester.
●In the Netherlands, Hyperpro's home country, all ambulance motorcycles are equipped with Hyperpro springs.
Compatible models
YAMAHA XJR400 '93-'96
YAMAHA XJR400S '94
Specifications
Spring Part Number: 237
Fork Oil Viscosity/Oil Level: SAE10/125mm
Sag Value: 25mm
Compression Adjustment: None
Rebound Adjustment: None
Setting Remarks: Install with 20mm fork protrusion / using the genuine 150mm spacer / spring is 20mm shorter than genuine.
*Images are for illustration purposes only, and the design and specifications of the products shown are subject to change without notice. Please be aware.