What You Need In Your Basic Motorcycle Tool Kit: Part II
A chain wrench is used to turn large or irregular shapes, as the chain will grip over a large surface area.
The socket set, one of the mechanic's most useful tool sets, consists of 6- and 12-point standard sockets, deep well sockets, a ratchet, extensions from 1 1/2 to 12 inches, and many other available drive and link parts. The sockets fit into limited places, hold the fasteners firmly, and can be turned rapidly in either direction. Drive ends are available as screwdrivers and Allen wrenches.
Socket sets come in 1/4-, 3/8-, and 1/2-inch drives, referring to the size of the square tang inserted to turn the socket. Larger drives are available for heavy machinery. A good starting set for a motorcycle mechanic would be a 3/8-inch drive set, with both fractional inch and metric sockets from 1/4 to 7/8 inch and 8 to 22 mm in standard length with some deep wells.
A 3/8-inch impact driver set with special sockets and screwdrivers can deliver a power rotary motion when struck with a hammer. The impact driver can help a mechanic "break loose" frozen nuts, bolts, or screws that resist turning with hand wrenches or screwdrivers. The impact driver is a must for motorcycle maintenance as rusted on bolts can be next to impossible to remove. Be very careful when using an impact driver, as more amateur mechanics have done more damage to poor unsuspecting motorcycles with impact drivers than with any other tool.
Adjustable End Wrench
These wrenches are handy when no other wrench is available to fit a nut or bolt. They are made in 4-to 24-inch lengths with jaw openings ranging to 2 1/2 inches.
As a motorcycle mechanic you will find occasion to use a variety of hammers. The ball-peen hammer is the general machinist's hammer. It is used for driving punches, chisels, and impact drivers. Plastic tip or soft-face hammers are used where the finish or shape of parts such as aluminum cases and transmission gears would be marred by a steel hammer.
Chisels and Punches
Flat metal cutting chisels are used to cut bolts, nuts, pins, and other metal parts. Sizes range from 3/8- to 3/4-inch blade widths. Chisels need occasional sharpening by filing or grinding the blade to a 60° cutting angle and keeping the head round and free of burrs.
Center punches are used to make a small identification for starting drill bits or marking parts during disassembly so that realignment is easy. Tapered punches are used to start driving out pins or bolts and to align parts during assembly. Pin punches with straight shafts are for driving through pins or bolts or maintaining part alignment. Chisel or punch holders are sometimes useful.
Wire brushes and gasket scrapers are often handy. The long-handled wire brush is a good all-around first choice. Good quality putty knives with flexible blades make good scrapers.
Screws, bolts, or studs that have broken off in cases or heads can be removed by drilling, then inserting a screw extractor and turning counter-clockwise to turn out the remainder of the broken fastener. Careful drilling is critical.
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