How To Paint Motorcycle Engine Fins

This is the hardest part. It involved two cans of PJ1 Coatings high temperature black wrinkle paint 500 degree F.

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Pin On Xs650 Cafe

The bag keeps the methylene chloride the active ingredient from evaporating.

How to paint motorcycle engine fins. It looks like XXXXXXXXXXXXXX on each fin all the way across. I started by using 120 grit to take off the black paint however I quickly moved on to 180 grit in order to avoid deep scratches in the aluminum. Next best option would be to remove motor degrease it mask the engine off in sections then paint each section wait for it to dry then mask and paint the next section then put it back into the bike and run it up to temp and let it idle for like 30 minutes to set the paint.

If playback doesnt begin shortly try restarting. As you move towards a finer grit you can then wet-sand the fins to avoid scratches. Last of course is to mask as best you can and paint it in the bike.

Wring out the chamois when it no longer absorbs water from the engine. First you will need to sand down the fins flat with course grit then progressively move towards a finer grit sandpaper. Never use harsh chemicals or wheel cleaners - never use mag wheel cleaner.

The general advise is to just take a scotch brite pad and some SimpleGreen and get to cleaning and it will look just like new. Ive done that for hours and my engine just looks a little better. The steps that you will follow while painting your bike have been suggested as follow.

Not riding the bike. I then painted the four fake fin covers with the allen screws in place allowing them to dry for the same amount of time. You can get a really nice mirror looking finish on the fin edges this way.

Rinse the cylinder under a garden hose and use a stiff plastic bristled brush to remove the blistered paint. Continue this process on each side of each fin and over the entire engine to dry it. XS1100 Cafe Racer - Painting the engine and polishing the cooling fins - YouTube.

You will need to find a good way to get bewteen the fins to cleajn them after however. Duplicoler and VHT both make an aluminum that is very close to the original paint. You may need a heavy cut polish for the most stubborn stains.

Your job is done here. Ive heard heavy duty spray on gasket remover will take off paint Raul did this I think. Or you could pull the engine and paint it.

3 Dremel sanding bits are great for the edges of fins. Cleaning the exterior of the engine. Just fill its bucket with sand and then start the machine.

Disassembling the parts to paint each and every part of the engine. A soapy Scotch Brite pad will do but the cleaning pad called Eraser can get some of the more difficult spots. Polishing the parts that you want to be polished.

To get between the fins though. Use the nozzle to spay sand to all the surface of the parts of your motorcycle engine. It kinda sparkles and adds a little bling to the engine.

To bring the shine of the aluminum back to the edge of the fine. After about 10 minutes you will see the old color disappear and be replaced by the real one of the components. Use vasoline and a Q-Tip and cover the fin edges and bolt heads with vasoline prior to painting.

Two rolls of masking tape one 12 and one 2 roll. Then sand again with 320 and then 400. Use tools with soft heads like cloth or sponges to get into the nooks and crannies.

At home depot you can buy a light use polishing kit that comes with compound and some buff wheels. Use high temp paint used for BBQ grills - works great I went one step further and did the paint on the engine then used my dremel tool to make Xs on the edges of the fines. Press the chamois into the channel on one side of a fin and pass it back and forth to dry it.

The stains may be removed with polish that was designed as swirl remover for paint finishes. Get small auto pinstripe take and carefully cover the fin edges with it prior to paining pain then remove the tape. It works with a drill.

I have also noticed that when the 1982 Yamaha XJ650 was new the lower half of the engine cooling fins were actually painted black. Slather a generous amount on the cylinder put it in a plastic bag and leave it in the sun for a few hours. Chances are his intention was to paint the motor and interior surfaces of the fins and leave the edges of the fins clean for a contrasting appearance.

After painting wipe the vasoline off to expose your fins. At least he did use the high temperature stuff engine paint instead of regular Rustoleum or similar. This will offset nicely against the inside of the fins even if you cant get those sections perfectly clean.

Fold a chamois in half and hold each end in a hand to make it taught. The sprays are better. Generally the bits are too large to get between fins.

After you touch up or paint the cylinders andor heads lightly sand all the fins with 240 grit paper or emery cloth.

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