Seller notes

Valve Spring JS171FMM for Jianshe Puma 250-3A JS250ATV-3A/Puma 250-5 JS250ATV-5 : VLVS015 DESCRIPTION ["A valve spring is a component in a motorcycle's engine that provides the necessary force to close the valves after they have been opened by the camshaft. It ensures that the valves return to their seated position, maintaining proper valve timing and preventing valve float. Valve springs are typically made from high-tensile steel or other durable materials to withstand the high temperatures and...

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