A few observations; 1) The sooty plugs indicate to me that there is a running rich condition in play. 2) My own experience is that the exhaust head...

I can offer a few thoughts on the topic. 1) First off, I have never experienced an issue like that myself, so this would be an exercise in guess wo...

I can offer a few thoughts on the topic. 1) First off, I have never experienced an issue like that myself, so this would be an exercise in guess wo...

I would go so far as to suggest that there is a wrong connection on the main switch. This assumes that the original coffin nail switch is in place.

On a /5, The starter relay on the left side of the frame under the fuel tank is the electrical "gateway" to the rest of the system. If your bike is ...

On a /5, The starter relay on the left side of the frame under the fuel tank is the electrical "gateway" to the rest of the system. If your bike is ...

I am socially distancing myself from my shop because a parts shipment is in limbo. Dang it.

If you swapped the wires and plugs from one side to the other by re-routing the wires but leaving them in the coils as they were, and the problem stay...

Drive shaft. I have never owned one of those models, but legend has it that the u-joint can wear out due to the exaggerated angle at which it operat...

I may have mis-understood the question. To defeat the compression of the springs inside the fork tube, I just pull the top nuts out of the upper yok...

In my tool box, I have a home made ring squeezer. It consists of a piece of copper leaf the size of a playing card and a ribbon type hose clamp. I wra...

You ought to have a second look at your static timing. Wobbly correctly advised about a sticking advance assembly or weakened return springs. The reas...

"To me, the main thing is that the bike runs now, and more running can only make it run even better. That's why the owner needs to simply change the o...

Here is the thing about trying to read the color of the spark plug, You really need to get some rpm's and several heat cycles to get the plugs to col...

It's the studs for the fork brace, the nylon lock nuts push the studs in until they make contact with the fork tubes. It is a possibility unique to th...