We provide customized service for all kinds of engine: from fixing oringinal to manufacturing new parts; once we find anything about engine improvement, it's our duty to make it happen.
Rebuilding the oversize bearing hole
As the crankshaft rolling in the engine for a time, the bearing hole will be torn into too big a hole to hold the crankshaft. Rolling Engine without a firm base can't be quiet, the performance will be low as well. Thus we need to rebuild the bearing hole to keep the engine quiet and get the horsepower back!