Yamaha RD250/350/400/R5/DS6/DS7 Parts:Chains:520 Conversion Sprockets/Chains/Kits

520 Chain/Sprocket Conversion Kit for RD250/350/400
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 Tsubaki 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 kit includes a 16T counter shaft sprocket and a 39T 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 annodizing (picture is of un-coated sprocket). 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. Sprockets made in the USA, Chain made in Japan. *** Click add to cart and choose model.

Price: $159.99

520 Conversion Counter Shaft Sprockets RD250/350/400
520 Counter Shaft Sprocket. This sprocket is used to convert the standard 530 pitch chain to 520 and includes correct offset. High quality steel sprocket made in the USA. Available for the RD250/350 in sizes from 11-20 Teeth. Available for the RD400 in sizes from 11-19 teeth. **ALLOW 2-4 Weeks for Delivery of this item - we are currently experiencing delays from out supplier*** Click add to cart and choose model / sprocket size.

Price: $28.50

520 Conversion Rear Sprockets RD250/350/400
520 Rear Sprocket. This sprocket is used to convert the standard 530 pitch chain to 520. High quality light weight aluminum sprockets made in the USA. Available for the RD250/350 in sizes from 37-50 Teeth. Available for the RD400 in sizes from 38-50 teeth. Other custom sizes avaiable, please inquire. We stock the most common sizes, however some sizes are on a per order basis and please allow 7-10 days for delivery. RD350 sprocket pictured. ***ALLOW 2-4 Weeks for Delivery of this item - we are currently experiencing delays from out supplier. Note: All 520 rear sprockets come with Titan Tough coating which greatly increases the life of the sprocket (picture is of un-coated sprocket) *** Click add to cart and choose model / sprocket size.

Price: $86.50

Chain - Yamaha RZ350 and RD 520 Conversion - DID ERT2 520 Race Chain for RZ350 - Gold
Chain Yamaha RZ350 - DID ERT2 520 Chain for RZ350 - Gold. High-performance, lightweight, low-friction chains designed exclusively for racing. Pins for ER chains are put through a special patented heat-treatment process that is 1.5 times harder than conventional carbon heat treating. Provides the highest wear resistance, tensile strength and impact resistance available. ER chain used by top motocross OEM works teams. Distinctive gold-plated finish. This chian can also be used for the 520 conversion on RD's. Note: This chain is 120 links long and must be cut for use on the RZ350 which requires a 106 link chain. The stock RD250/350 requires the chain to be modified to 92 links, and 96 links for the RD400. Optional chain length modificaiton service available, purchase here on on the site under the chain category.

Price: $105.00

Chain - Yamaha RZ350 and RD 520 Conversion - Tsubaki QR Series 520 Chain
Tsubaki QR Series Size 520x106 for Yamaha RZ350. High quality solid roller chain. Heat treated, shot peened, factory pre-stressed and pre-stretched for long life. This is our mid-grade chain, 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. This chain can also be used for the RD 520 conversion. Made in Japan. The stock RD250/350 requires the chain to be modified to 92 links, and 96 links for the RD400. Optional chain length modificaiton service available, purchase here on on the site under the chain category.

Price: $49.99

Chain Length Modificaiton Service
Chain length modification service by Economy Cycle. We will professionally modify any chain to your specified length/number of links. Simply choose the number of links you require. We do not simply cut the chain, the plates/pins (links) are removed and the chain will come ready to install. Click add to cart and choose number of links required.

Price: $15.00

DID 520 Professional Motorcycle Chain, Made in Japan

DID 520 Professional Motorcycle Chain, Made in Japan. High quality, light weight standard roller chain. This chain can be used with our 520 conversion sprockets. Note: this chain comes in 110 links, the stock RD250/350 requires the chain to be modified to 92 links, and 96 links for the RD400. Optional chain length modificaiton service available, purchase here on on the site under the chain category.

Price: $77.95

Special Sale - 520 Conversion Counter Shaft Sprockets RD400 - 18T - Sale Priced
520 Conversion Counter Shaft Sprockets RD400 - 18Teeth. This sprocket is used to convert the standard 530 pitch chain to 520. High quality steel sprocket made in the USA. Our supplier goofed and sent us too many of these, so we're offering them at a reduced price.

Price: $15.99