Improved Capped 38A Alternator Flywheel Rotor for Harley Davidson Road King | Electra Glide | Softail 1340 1450 1995-2006 29981-95Don't Repair. Replace like a pro! New Heavy Duty Flywheel Rotor Harley Davidson Motorcycles Introducing our newest Heavy Duty 38 AMP Alternator Flywheel Rotor For Harley Davidson Motorcycles. Anyone who rides or repairs Harleys is probably familiar with the flywheel problems common to these vehicles. Most of these bikes will have at least one flywheel failure in their lifetime so far. Low quality epoxy was used on OEM flywheels to secure the magnets