Tuesday, July 4, 2017

Motorcycle engine case repair

How to restore a motorcycle engine case? How do you repair a cracked motorcycle case? How would I fix a hole in motorcycle crankcase?


Best Way To Repair Cracked Engine Cases Aluminum engine cases can be Stick welded , MIG welded , or TIG welded. They can also be gas-welded by a process called aluminum brazing. Because of the high thermal conductivity and low melting point, distortion and burn-through are common when welding aluminum cases.

Like the above state you can bring your motorcycle engine case in to the local automotive shop and have a machine do the work. Or, you could make a machine yourself using a stock pot on the stove. Bring the water to a very high temperature and add a cleaning agent. Next, add your parts to the hot water for cleaning. Repairing badly damaged motorcycle cases.


New Milford Cycles at 5Danbury Road was recently discovered under New Milford motorcycle engine repair. As you can see from the pictures, the top part of the case was broken completely off. In order to repair them, we fit them back together and dovetail ground all the cracks.

Then we proceeded to weld the case back together. The ignition cover of my off-road motorcycle is a magnesium casting. The casting is not heavily stressed but does have to hold the hot (about 140°F) oil that lubricates the engine. When I realized it cost $1to replace the cover, I started thinking of the alternatives like, “how about using this epoxy we make for the repair and save some. ENGINE CASE REPAIR We can handle any case repair or modification that arises.


While almost anything CAN be repaire not all cases are economically worth repairing. Unless you are dealing with a bone stock antique, rare model bike, sometimes you are further ahead to buy new replacement cases. Cycle Works is a complete motorcycle repair shop which covers any and every repair nee from engine rebuilding to electrical to fabrication, including a complete machining and welding shop. However, you can repair a hole or crack in an aluminum crankcase.


Step Use a degreaser and a wire brush to remove grease and dirt from the crankcase. I could have spent more money and bought another left side crankcase cover, but I am broke and. You should be good to go then. If the engine kicks back during the kick start, it can be violent enough to crack the case exactly as seen here.


Good thing they have e-start! Basically you should only use the kick starter on these bikes as a last resort. Antique motorcycles surround me.


Against the rear wall, I find a spotless wooden workbench displaying three engines bolted to assembly jigs. Remarkable to see the insides of these old power plants expose the grime of combustion cleaned and polished away, revealing the mechanical beauty underneath.

Milwaukee Kits, 1Kits,Cam Kits,Panhead Engine Rebuilding PA. Knucklehead Engine Rebuilding PA. Shovelhead Engine Rebuilding PA. Motorcycle Chrome PA,Custom Motorcycle Paint Graphics PA. The technician assigned to your job will call you and and obtain authorization for the total repair , unless you decide to decline the engine rebuild.


In this case you will only be charged the tear down and inspection portion of the standard labor. Harley Repair Shop PA. Motorcycle Gasket Sealer, Liquid Gasket, and Liquid Engine Sealant are the most common terms that people refer to the “Goo” that they use during the reassembly of their engine cases. Please read and shop carefully – the sealants and gasket goos that are sold at most auto stores and hardware retailers are almost always WRONG for your motorcycle engine cases where gaskets are not used.


Fill a bucket with clean water and stir in a cap-full or two of dish-washing soap. Use 400-grit wet sandpaper over the most corroded spots on the aluminum parts by dipping the sandpaper in the bucket and applying circular motions over the metal. Work in the sandpaper until you have smoothed out the deepest pits.

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