Q Is there any way to beat stator backlog?
The stator on my son’s Honda CB125F has developed a fault to earth. There’s a waiting list for the £170 replacements in this country and he needs his bike to commute on. Is there an alternative to him taking the bus for weeks? Clive Stacey, email
Answered by A Michael Simmons, Westcountry Windings There are several companies like us in the UK who can repair stators, but it does depend on the original cause of the failure. If it’s simply that some of the insulation has chipped off, causing the stator to earth through to the core, then it can be rewound for £126 all-in.
However, a lot of stator failures are due to problems with the regulator rectifier. Its job is to dissipate the charge produced by the alternator that would otherwise overload the battery. To work effectively, reg/recs need a good earth.
On a lot of models several earths are crimped to one main earth on the frame. If that becomes ferrous (with white furry deposits) the current backs up, like a lorry queue on the M20, and overloads the reg/rec, in turn causing the stator to burn. Replacement reg/recs are often earthed to the battery terminals.
You might be able to get your stator rewound for £126