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All Balls Front Fork Seal Set for Yamaha RD350 (all years) / RD400 (76-78)
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All Balls Front Fork Seal Set for Yamaha RZ350 (all years) / RD400R (1979). Sample kit pictured, acutal kit may vary by model.
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Economy Cycle Classic Shocks for RD250/350/400/R5. Good quality adjustable replacement shocks, sold in pairs. Features glossy black body/upper shroud, with dual rate chrome springs for a smooth ride and firm handling. Includes bushings and springs are pre-mounted. Choose model and click add to cart. Note: This product has additonal shipping charges.
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Grease Fittings (Zerk Type). Available in 5mm or 6mm. (6mm for RD/RZ). Zerk type zinc coated grease fitting for most Japanese motorcycles.
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NHK Adjustable Steering Damper. Hydraulic type, Notched incremental adjustment. Great steering damper for 250cc - 500cc motorcycles. Requires individual mounting varies bike to bike, does not include any hardware.
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Parts Unlimited Front Fork Seal Set for Yamaha RD200 All Years
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Parts Unlimited Front Fork Seal Set for Yamaha RD250/350/400 Note: 1979 RD400F uses FS-011
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Parts Unlimited Front Fork Seal Set for Yamaha RZ350/RD400F
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Progressive springs offer a soft initial spring rate for a plush ride while progressively wound design provides increased resistance to bottoming as spring compresses. Improve handling while retaining OEM geometry Made in the U.S.A.! Huge improvement over stock RD springs, more firm for better performance handling. For RD250/350/R5/DS, we recommend these springs to be cut down 1.5". These work great with 10-15W fork oil, available here on the site. Sold in pairs. Note this product has additonal shipping charges.
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An excellent choice for the RD/R5 with solid high performance suspension at reasonable price. 12 series shocks are gas-charged for superior, fade-free damping and consistent operation. Six stage, automatic damping designed with a special anti-topping function. Double wall shock body construction for piston protection and long life. Shocks have black body with black springs. Sold in pairs as pictured. 70/120 standard spring rate suitable for performance street riding. Note: These shocks come ready to mount with the springs installed by Economy Cycle. Note: Will require removal or modification of the chain gaurd due to the larger spring diameter Note: This product has additonal shipping charges.
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Progressive Series 14 Magnum Shocks/Springs for Yamaha RD350, RD250, R5. This combination of shocks and progressive rate springs will give your RD or R5 a great set up for street performance, firm but not harsh, mounted with black body and chrome springs. 5 position adjustable pre load. Black body with silver springs. Sold in pairs. Execellent replacement for the stock shocks but with better performance. These shocks measure 13.0" eye to eye. Note: These shocks come ready to mount with the springs pre-installed by Economy Cycle. Note: This product has additonal shipping charges. 80/120 Progressive rate suitable for most rider weights (150-250lbs) with adjustable preload, includes spanner wrench, bushings and lube.
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Steering Damper Kit for Yamaha RD350, RD400 RD250. Kit includes billet aluminum fork clamp, Shindy race quality damper & hardware for installation. Designed to reduce head shake, lightweight aluminum oval section damper body has both sides finned to aid in cooling, seven notch adjustment for light to heavy damping. Easy installation. Note: This kit requires minor drilling or tapping of the reflector mount under the tank to accept the damper stud. See our Steering Damper Kit 2 for bolt on kit requiring no drilling or modifications. If you have an R5, we recommend Damper Kit 2. Choose model and click add to cart
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Steering Damper Kit for Yamaha RD350, RD400 RD250. Kit includes billet aluminum frame clamp, billet fork clamp, Shindy race quality damper & hardware for installation. This kit can be installed without any modifications to the bike, simple bolt on, no drilling or tapping of reflector hole. Reversable, can be mounted on right or left side. Designed to reduce head shake, lightweight aluminum oval section damper body has both sides finned to aid in cooling, seven notch adjustment for light to heavy damping. Easy installation. Choose model and click add to cart.
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Billet Aluminium steering stabilizers with clear finish, come in a variety of sizes for custom applications. All stabilizers have 7 damping adjustments and are completely rebuildable. Designed to reduce head shake/wobble, lightweight race quality, finned body for maximum cooling. Available in Standard, Short, Long and Extra long sizes. Choose length and click add to cart.
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RD/RZ Steering Damper Fork Tube Clamp. Billet fork tube clamp. Includes 2 stainless M6x1.0 clamp bolts and one M8x1.25 damper mount bolt. Available in fork tube sizes for many front ends: 34,35,36,38,39,41,43,45,50,52,54mm sizes. Note (RD250/350/400 is 34mm/RD400F Daytona is 35mm, RZ350 is 35mm). Choose clamp size and click add to cart.
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Yamaha RD250/350/R5/DS6/DS7 Fork Boot, Reproduction, Sold each. 278-23144-50-00
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Yamaha RD250/350/R5/DS6/DS7 Fork Boots (Dust Seals). Genuine Yamaha Part, sold in pairs
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Yamaha RD400 1976-78 Fork Boots, Genuine Yamaha Part, Sold in pairs
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Yamaha RD400 1976-79 Fork Boots, Reproduction, Sold each. These boots work with both 34mm & 35mm forks. Replaces Yamaha part no. 584-23144-50 & 1T3-23144-50
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Yamaha RD400F Daytona 1979 Fork Boots, Genuine Yamaha Part, Sold in pairs. Also fits SR500, TZ250F 1979