No, not all motorcycle manufacturers use chains as the primary method of transmitting power from the engine to the rear wheel. Motorcycles can use different types of drive systems, including chains, belts, and shafts, depending on the design and intended use of the bike. Here's an overview of the different drive systems:
Chain Drive: Chain drive is the most common type of drive system found on motorcycles, particularly in sport bikes, dirt bikes, and many street motorcycles. Chains are lightweight, efficient in power transfer, and allow for a wide range of gear ratios. They are also relatively inexpensive to manufacture and replace. However, chains require regular maintenance, including cleaning, lubrication, and tension adjustment.
Belt Drive: Belt drive systems are commonly used in cruisers and some touring motorcycles. They are quieter and require less maintenance compared to chain drives. Belts are made of reinforced rubber or synthetic materials and are durable and clean-running. They do not need regular lubrication, but they are limited in their ability to handle high torque and heavy loads.
Shaft Drive: Shaft drive systems are typically found in larger touring motorcycles and some cruisers. These systems use a driveshaft, which is a solid metal shaft enclosed in a housing, to transfer power from the engine to the rear wheel. Shaft drives are low maintenance, provide smooth and reliable power delivery, and require no adjustment or lubrication. However, they add weight and cost to the motorcycle and can result in a slight loss of efficiency compared to chain or belt drives.
The choice of drive system depends on various factors, including the intended purpose of the motorcycle, cost considerations, performance requirements, and the manufacturer's design philosophy. Each drive system has its advantages and disadvantages, and manufacturers select the one that best suits their particular motorcycle model and target market.