1989 Honda FL400R Pilot Service Manual, Page 166Get this manual
REAR WHEELSUSPENSIONDRIVE SHAFT TIRE REPAIR
NOTE Use the manufacturer's instructions for the tire repair kit you are usingIf your kit does not have instructions, use the procedures provided here
Check the tire for puncturing objectsChalk mark the punctured area and remove the puncturing objectInspect and measure the injuryTire repairs for injuries larger than 15 mm (58 in) should be section repairSection repairs should be done by professional tire repair shop
Install rubber plug into the injury as follows: Apply cement to plug inserting needle and work the needle into the injury to dean and lubricate itDo this three timesDo not let the cement dryInsert and center rubber plug through the eye of the inserting needleApply cement to the rubber plugPush the inserting needle with plug into the injury until the plug is slightly above the tireTwist the needle and remove it from the tire, the plug will stay in the tireNOTE