Suzuki outboard motors 1988 2003 repair manual., Page 8Get this manual
2-8 TOOLS AND EQUIPMENT WRENCHES
See Figures 24, 25, 26, and 8
Basically, there are kinds of fixed wrenches open end, box end, and combination Open end wrenches have 2-jawed openings at each end of the wrenchThese wrenches are able to fit onto just about any nut or boltThey are extremely versatile but have one major drawbackThey can slip on worn or rounded bolt head or nut, causing bleeding knuckles and useless fastenerBox-end wrenches have 360' circular jaw at each end of the wrenchThey
come in both and 12 point versions just like sockets and each type has the same advantages and disadvantages as socketsCombination wrenches have the best of bothThey have 2-jawed open end and box endThese wrenches are robablv most versatilethe -As for sizes, you'll probably need range similar to that of the sockets, about Veinch throuah inch for standard fasteners, or 6mm throuah 19mm for metric fastenersAs for numbers, you'll need of each size, since, many instances, one wrench holds the nut while the other turns the boltOn most fasteners, the nut and bolt are the same size so having two wrenches of the same size comes in handyINCHES 18" 316" 114" 516" 318" 716" 12" 916" 518" 1116" 34" 1316" 78" 1516" 1"