Mine has gone bad as well. It's 4 years old. I'm going to get mine through Bike Bandit. I believe they are roughly $103 to replace. Fairly easy to do as well, you just have to get into the headlight bucket. I've been keeping my batt on a trickle charge til I purchase the new rectifier.
On these bikes with the stock RR, the headlight dimming when revving slightly off idle is actually normal. Your original RR may have been fine, but as long as the new one is a MOSFET type, at least you'll have improved the charging system even if it wasn't faulty to begin with. I hope they didn't charge you too much for fitting!
Hi Rick,
You may want to get away from the stock R/R and move it to a neater location in the process. Here is a link to my rectifier replacement story which also links to info by the forum expert on these matters, DEcosse.
Mine went bad a few years ago. The symptom is the battery was not charging sufficiently - there are planty of threads on the fault finding. I went with after market and mounted it on the battery tray to clean up the front end.
Mine died when the Bonneville was nearly five years old and had 69,00 miles on the clock. I decided to change the original battery as a preventive to avoid a roadside failure and in so doing may have caused the rectum-fryer to die. I noticed a slight hesitation starting for a couple of days (which I brilliantly ignored) and while stopped at the side of the road to put on waterproofs during my commute the bike declined to start. Just like that. Bumping did not start the bike but I had no slope to help me.
I will replace this aftermarket rectifier in another four years as its cheap and easy and they do seem to die.
My Bonneville is an 09' and I wonder if I should change out mine BEFORE it goes bad. I would really hate being left on the side of the road 400 or so miles from home. Is this a common problem ?
Thinking the same thing. Also if I should replace the coil and coil pick up as preventative maintenance.
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