2 pcs Kickstart Oil Seal 30x20x4.5 mm Replaces OEM 93104-20007 Type SO 30x20x4.5 mm Double Lip Seal for Kickstart Shaft Compatible with Yamaha RD350LC RD250LC

Compatibility: 30x20x4.5 mm kickstart shaft oil seal; Compatible with Yamaha RD350LC and Yamaha RD250LC; match the size and SO type indicated to ensure proper fit.
Motorcycle oil seal function: The double-lip SO type helps retain oil and block dust on the kickstart shaft, promoting smooth operation and limiting leaks; sized for 20 mm shaft, 30 mm bore, 4.5 mm thickness.
SO type seal construction: Rubber lip structure with reinforced edge that fits evenly in the housing; works with common engine oils and greases; black finish for quick identification during maintenance.
Kickstart shaft seal installation: Lightly oil the lips, align at 90° to the bore, and press flush without twisting. Suitable for home or workshop maintenance and engine rebuilding.
Motorcycle maintenance use: replace during clutch or transmission service, or if a leak appears near the kickstart shaft; practical for routine maintenance, restoration, and track preparation.