I had, for a while, solved the preignition but it came back the moment I took my girlfriend for a ride to show off my fixin' skills. It mainly only ha...

The Wikipedia explanation under the Heat Range section explains it much better.... Not to worry. I worked as a professional motorcycle mechanic f...

If it were my bike, I would try a cooler plug next. For example, I normally run NGK, BP6ES spark plugs. BP7ES would be one range cooler for an Airhead...

I would not advise any major engine changes until you sort out your present issues. Your issues are most likely NOT tied to being 600cc displacement. ...

So here are my final settings in case anyone cares... Neddle Jet was: 2.64 changed to: 2.68 (as per earlier models) Main Jet was: 160 ch...

I got 2k miles on my '84R80RT and she handles good in the fast sweepers and switchbacks 2-up in the Pa. mountains. But the front end bounces distract...

Added 2 photos to first post.

One other kind of weird thing though, was that I had to charge up the battery as it had been drained down to below 8 volts. So something must have bee...

W/ ref. to your above statement .... some may think that if LEDs are used it's ok to swap wires to smaller gage ...... hum hahah. It's a fact. L...

ATF or any one of the million WD-40 like thin oil penetrants.

It's worse than that. My wife bakes cakes professionally. Her support forum is warning pros not to make cakes with football team mascots, corporate or...

I love your ground cable attachment upgrade! That is pure genius. I have considered routing mine to one of the starter mounting bolts, ala automot...

What has been so eloquently contributed is great, but may be somewhat dated. Two points... ► First, I prefer to teach charging systems using the me...

The last time this happened to me the bolt holding the shift lever in place had simply come loose. 🙂