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520 Chain/Sprocket Conversion Kit for RD250/350/400. Each kit includes a steel 520 countershaft sprocket with correct offset, 520 aluminum rear sprocket and a high quality 520 roller chain made in Japan by DID and cut to the correct number of links for your model. We offer this kit for the RD250/350/400 in the most popular street performance configuration. The RD250/350 kit includes a 14T countershaft sprocket and a 39T rear sprocket and chain. The RD400 (76-78) kit includes a 16T counter shaft sprocket and a 39T rear sprocket and chain. The RD400F (1979) kit includes a 15T counter shaft sprocket and a 37T rear sprocket and chain. Note: All 520 rear sprockets come coated with Titan Tough coating which greatly increases the life of the sprocket. This coating is black, similar to black anodizing . This is the standard gearing for the RD250/350/400 with the front sprocket lowered by 1 tooth for acceleration. Note: RD400 sprockets will require shimming. RD400 Shim kit available separately here on the site. Sprockets made in the USA, Chain made in Japan. Choose model and click add to cart. Note: This kit does not work with a rear 120/80 tire (causes clearance and chain adjustment issues)
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This sprocket is used to convert the standard RD 530 pitch chain to 520. High quality light weight aluminum sprockets made in the USA. Available in sizes from 37-50 teeth. Other custom sizes avaiable, please inquire. We stock the most common sizes, for other sizes allow 2-4 Weeks for Delivery of this item - Note: All 520 rear sprockets come with a hard anodized Titan Tough coating (black) which greatly increases the life of the sprocket. RD350 sprocket pictured. Choose model, sprocket size and quantity, then click add to cart.
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DID Standard Series 530 Chain - Yamaha RD250/350/400. Made in Japan. High quality solid roller chain. This is our mid-grade chain, great OEM replacement and the best you can get without going to an O-ring type chain. Pre-stretched, anti-kink design. Recommended specifically for bikes not originally equipped with O-ring chains. Includes clip styoe master link. Note: this chain comes in 100 links, the stock RD250/350 requires the chain to be modified to 92 links, and 96 links for the RD400. Optional chain length modification service available, purchase here on on the site under the chain category.
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RK Takasago 525 Chain for Yamaha R5. High quality solid roller chain. Heat treated, shot peened, factory pre-stressed and pre-stretched for long life. Great OEM replacement and the best you can get without going to an O-ring type chain. Recommended specifically for bikes not originally equipped with O-ring chains. Includes master link. Note: this chain comes in 110 links, the stock R5 requires the chain to be modified to 92 links. Optional chain length modification service available, purchase here on on the site under the chain category.
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Yamaha R5 Economy O-Ring Chain, made in Japan. Reliable high quality O-ring chain at an economical price. Includes 2 master links (one clip style/one rivet style). Note: this chain comes in 108 links, the stock R5 requires the chain to be modified to 92 links. Optional chain length modification service available, purchase here on on the site under the chain category •Solid reinforced rollers and solid bushings for longer life and impact resistance •Quad stake riveted for exceptional shock absorption •Unique protruding bushings designed to reduce kinking and extend O-ring life •Made in Japan
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Yamaha RD250/350/400 Economy Chain. 530x100, reliable high quality chain at an economical price. Good OEM replacement, heavy duty tensile strength. Includes master link. Note: this chain comes in 100 links, the stock RD250/350 require the chain to be modified to 92 links, and 96 links for the RD400. Optional chain length modification service available, purchase here on on the site under the chain category.
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Yamaha RD250/350/400 Economy O-Ring Chain, made in Japan. Reliable high quality O-ring chain at an economical price. Includes master link. Note: this chain comes in 100 links, the stock RD250/350 require the chain to be modified to 92 links, and 96 links for the RD400. Optional chain length modification service available, purchase here on on the site under the chain category •Solid reinforced rollers and solid bushings for longer life and impact resistance •Quad stake riveted for exceptional shock absorption •Unique protruding bushings designed to reduce kinking and extend O-ring life •Made in Japan
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Yamaha RD250/350/400 JT X-ring Chain 530. High quality X-ring chain in natural finish. X-ring chains are the latest in chain technology and provide the longest lasting chain life, superior to O-ring chains. 9,260 Tensile strength, 4.59lb per 100 links. This chain is 96 links which is the standard length for the RD400. The RD250/350/R5 requires a 92L chain. We do offer a chain cutting service that can be purchased here on the site in the chain section. Note: This chain comes from the manufacturer with a Rivet Style master link. We also offer it with an additonal Clip-on style master link, choose the option you prefer from the drop down box and add to cart.
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Brand new fresh rubber cush drive for Yamaha RD350 RD250 R5 DS7. Replace your dry-rotted and cracked 30 year old cush drive with newly manufactured OEM replacement. This is an often over-looked part that needs replacing on older bikes and enhances performance, reliability (reduces wear on chain, gears and clutch) and results in a smoother ride and better handling bike. Reproduction part no longer available from Yamaha. Replaces original Yamaha part no. 278-25364-00-00