Spotless cast
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Step 5: When dry, use some of your aluminum polish to buff them to a shine! Tips and Tricks For Cleaning Cast Aluminum Motorcycle Engine Rinse off the baking soda and allow the aluminum to air dry. Then dip it into a small container of baking soda, and scrub the cast aluminum engine with it. Step 4: Wet a toothbrush and shake out excess water. This ensures that any residue from cleaning chemicals remains on top rather than sinking into crevices where it could cause damage over time due to corrosion! Step 3: Rinse off the vinegar solution and allow it to dry completely before moving on to the next step. The vinegar naturally breaks down grease without causing harm to metal surfaces. Apply this mixture by spraying it on the cast aluminum surface with a spray bottle. Step 2: Make a mixture of one part vinegar to four parts water. You may also use a water-based cleanser to remove any grease or oil stains. Step 1: To begin, take a damp paper towel and wipe down any dust or dirt on the surface of your engine. So take that into consideration when deciding whether or not this method is right for you. This process will also leave a residue if it is not removed promptly after cleaning. You can use baking soda and vinegar on aluminum, but it must be done with care to avoid damage. Can You Use Baking Soda And Vinegar On Aluminum? This will prevent dirt and corrosion from settling in again on the aluminum engine casings. Step 6: Protect the cleaned surface by using a good sealer or a clear coating like epoxy. Step 5: Adjust your nozzle according to the size of your part that needs blasting and start blasting! Move it around until your part is covered in beads and has an even finish across all of its surfaces. If you are using a pressure pot, it is best to use an air compressor set at 40 psi because the size of the pot can affect how much force is needed to move the beads around inside it. That air pressure will help move the beads around and create perfect coverage across all of your parts.
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If you’re working with a medium-sized piece, like one that’s around 0.75 inches in diameter or less, then a medium-sized air compressor should be sufficient however, if your piece is larger than that (e.g., 1 inch), then consider getting an industrial-size one instead!įor a siphon blaster or direct pressure blaster, adjust the air pressure to about 65 psi for best results. This will vary slightly depending on what type of beads you’re using and how large they are. You’ll then want to set up the air compressor so that it’s blowing at the proper pressure for your beads. Step 3: Once you’ve prepared the surface of your cast aluminum, it’s time to get started bead blasting. If there is any debris still on the surface of the engine (like oil or grease), use a spray lightly with WD40 engine degreaser to spot clean it. Step 2: With clean, dry rags, wipe down the engine thoroughly to remove any dust or debris. Take off all the fittings and carburetor from the engine. Step 1: Strip your motorcycle and remove the engine covers. Here, I am describing the bead blasting technique. And this is typically the end goal you’re looking for. However, glass beads reward you with a more polished look than soda blasting. Glass bead blasting and baking soda are gentle on cast aluminum, with the latter being more cost-effective. However, it’s a bit aggressive, especially for thinner aluminum finishes. There are three blasting techniques for cleaning cast aluminum engine parts: This method is not only effective but can also reduce your cleaning time significantly. It involves blasting media against the cast aluminum engine to remove the dirt. Method 2: Cast blasting (Bead blasting)Ĭast blasting is a method that works very well for removing aluminum engine corrosion. Step 4: Polish with a buffing wheel and polishing compound.
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Then rinse off with a high-pressure water hose and dry with a towel. Step 3: Scrub with a toothbrush or soft-bristled brush, focusing more on rust areas. Pay extra attention to bolt threads, gasket mating surfaces, piston rings, and cylinder walls. Apply to all exterior surfaces of the engine block and cylinder head.
Step 2: Spray the entire surface of the engine with Mag Wheel aluminum engine cleaner – a product that removes corrosion, dust staining, and rust.