Spring. Valve kit. Lifan 50cc-150cc. RED or YELLOW grades

Spring. Valve kit. Lifan 50cc-150cc. RED or YELLOW grades
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£5.99 £4.99 ExVAT

Product Code: 9704

Valve spring kit RED or YELLOW grade

Red - 55 lbs at 20mm comperssion

Specifications OUTER SPRING:
Length:                    35.5mm
I/D                             170mm
O/D                           22.2mm
Wire Guage:           2.4mm

Specifications INNER SPRING:
Length:                    32.4mm
I/D                             12.5mm
O/D                           16.0mm
Wire Guage:           1.6mm

Yellow - 50 lbs at 20mm comperssion

Specifications OUTER SPRING:
Length:                    35.5mm
I/D                             170mm
O/D                           22.2mm
Wire Guage:           2.4mm

Specifications INNER SPRING:
Length:                    32.4mm
I/D                             12.5mm
O/D                           16.0mm
Wire Guage:           1.6mm

Please note:
20mm is full compression, these springs are stock from Lifan 50 to 150cc

It is crucial to get the right springs for your application:


  • Too weak a spring and you may incur valve bounce as the engine gets progressively tuned.
  • Too strong a spring and you will cause excessive wear and possibly reduce power output
Product Code 9704
Condition New
Weight 0.1Kg
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