All seals for a rebuild of Airheart systems are available on line or at a 'seal' distributor. You will also be surprised how inexpensive they are. Just purchased some myself and I got them in Buna rubber and they work great. I was in question about how the seals would react to my fluid of choice so ...

Alan,

Airheart systems used what is called a 'red' or mineral based fluid. It is used in aircraft and can be found at a company called Aircraft Spruce. They sell pint and quart bottles.

https://www.aircraftspruce.com/catalog/ ... ey=7846362

R.E.A.R.

If you are attempting to push the caliper piston deeper down into the caliper make sure you remove the master cylinder fill cap first. Watch for overflow at the master cylinder with the cap off as you push the piston down in the caliper. Better get some rags or paper towels handy, just in case. R.E....

Have yourself a Good Friday and a very safe Happy Easter weekend

Heading to Gratton Raceway in Michigan for a little spring training [long track].

R.E.A.R.

Dean, Thanks for the heads up. Our motto at R.E.A.R. is 'Run Em The Way They Ran Em' and that is what we try to replicate at THE BIG ONE, the formative years of Karting using accurate representations of early American racing karts. Period or era correct components are highly advised and should be us...

Any bearing distributor will be able to hook you up with crankshaft bearings.

Mc carb kits, thats a different story. Terry would be a good place to check, if he don't have ebay might. Tilloston carb is a good alternative because they perform very well and parts are easily available.

R.E.A.R.

With the opening of karting season right around the corner one thing that should be in your truck and trackside is a fire extinguisher. Fires can start at anytime for any reason so be prepared. Word of caution, If you are going to carry a fire extinguisher in your trailer make sure you have one in y...

Posting these for a friend. Contact info is at bottom. 2 pairs- Elimanotor 4.10/3.50-5 fronts ----- $60.00 plus ship https://i.postimg.cc/7PpzZrTn/Johns-tires-001.jpg https://i.postimg.cc/fRvSC3q8/Johns-tires-002.jpg Pair- Goodyear Midget Racer 4.10/4 ----- $100.00 plus ship https://i.postimg.cc/FRw...

Alan,

Feel free to keep the questions coming, were all here to help each other enjoy the old days of karting in a safe fun manner while preserving the history of the hobby.

R.E.A.R.

Alan Upon further review of your brake system it is advised to replace the copper brake line with the plastic brake tubing. Reason being is that karts 'flex'. Solid brake line may flex but at some point it is going to break and that could have catastropic results. As far as the plastic tubing goes i...