Oregon® Drive Sprockets for Chain Saws

The power from your chainsaw drives the sprocket, and the sprocket drives your cutting chain at high speed around your guide bar. Your sprocket, chain, and guide bar are the three components of your saw's "cutting team." It's the cutting team that does the actual work of cutting, and your sprocket is an essential member of the team. Oregon® sprockets can be installed on chainsaws having either inboard, or outboard clutch assemblies. Follow the instructions in the operator's manual provided by your chainsaw manufacturer for correct sprocket installation. Oregon® chainsaw sprockets come in three basic forms: 1. Rim sprocket systems: Oregon® rim sprocket systems have two components: a clutch cup with splined hub, and a free-floating rim. It is only the rim that makes contact with your chain as the chain is driven around your bar. Rim-type sprocket systems are available for professional and commercial chainsaw users and are favored by those who want the ultimate in performance. 2. Replaceable free-floating rims: The free-floating rim is the component of a sprocket system which is replaced more frequently. Oregon® offers replacement rims, apart from the sprocket system, in a variety of sizes and tooth-counts for professional and commercial chainsaw users. 3. One-piece spur sprockets: One-piece spur sprockets are durable, economical, simple to use, and very popular. The chain-driving portion of the sprocket, and the clutch cup, are a single component and are all replaced together when a new spur sprocket is installed. Oregon® spur sprockets are available for all types of chainsaw users: professional users, commercial users, and occasional users.
	POWER MATE® SPROCKET SYSTEMS Available to fit most chainsaws. Complete system includes clutch cup with spline and replaceable rim sprocket. More Info... (Requires Acrobat Reader)
	POWER MATE® RIM SPROCKETS Rim sprockets "float" on the splined hub, allowing chain and sprocket to self-align with the bar groove. The three most popular sizes are available in a radially ported design, which uses centrifugal force to throw off sawdust and debris. More Info... (Requires Acrobat Reader)
	CONSUMER SPUR SPROCKETS These sprockets offer excellent performance and top value for occasional users of lightweight, high-speed consumer chainsaws. Designed specifically for use with 90 series chain types (90SG, 91VG, 91VS). More Info... (Requires Acrobat Reader)
	PRO-AM® SPUR SPROCKETS An economical sprocket built to fit a limited group of saws operated by users who prefer professional-type 3/8"-pitch chain. Pro-Am® spurs - low cost and excellent value. More Info... (Requires Acrobat Reader)
	PRO SPUR® SPROCKETS For professional users who prefer a spur-type sprocket. Pro Spur® sprockets are rugged and dependable. They have excellent wear resistance and are available to fit professional-type .325"-, 3/8"-, and .404"-pitch chains. More Info... (Requires Acrobat Reader)
	ADDITIONAL COMPONENTS Some of the special parts used in conjunction with Oregon® sprockets are available separately. These include dust covers, bearings, washers, pump drivers, and neoprene seals.

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