Small Seal Loop #1 The Small Seal Loop #1 is for 66/80cc engine kits of all types in order to keep fuel from entering in to the magneto case and shorting the magneto Installation may require some experience: you will need to remove the magnet and magneto from the case. Remove the old seal and insert the new seal, being sure the seal is flush with the crank case. Reinstall the magneto and magnet, and you are ready to ride