I installed the "deep oil pan" from Mac Accessories on 3 Airheads so far. The last 2 it was so that I could remove the R100 oil coolers. My riding too...

I was talking about "jetting" for mixture. But what Frank has added is also true. Due to the intake pulse, there is a "hammering" effect on the Nedd...

For clarity, allow me to modify my own post.... ► You'll want the Intake valve to be fairly clean on both sides. Typically, the fuels with cleaner...

• With the valves and springs still in place, you can pour 2oz of liquid (thinner, alcohol, water) into the port. The valve should seal the liquid fro...

Would your buddy enjoy having footboards? I have some.

And you're sure this is not a brake issue ?

Thoughts... • I've worked at 3 or 4 shops and none of them had spoke weights on hand. We simply popped all the weights off at the start, and usually...

Yes, you are correct. All weights should have been stripped off before balancing began. If you took them off at this point, the wheel would need to be...

Welcome Aboard ! You'll grow to love your Airhead in a very short time. They are amazing bikes, and have the habit of bouncing right back, even afte...

Sounds good !

Lots of things can explain the noise. Let's start with the 2 questions already asked... After adjustment, when the noise starts back up, is there ...

Thoughts... 99% of riders are still running on the Needle/Needle Jet when they are tinkering with the Main Jet. If you'll mark your twist grip whe...

► Here's the OEM jet numbers in my manual.... 32mm choke Bing 135 main jet 2.70 needle jet 46-242 needle 3rd notch from top needle groove ...

I was referring to the API rating of the oil. SM and SN is what's on the shelves for modern cars with catalytic converters, but the older Airhead engi...

This is an excellent question because if the clearance is loosening up, then the camshaft could be experiencing rapid wear. This could have been cause...