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Crossover Tube (for manifolds with female boost openings for crossover tube or boost bottle) in Black or Silver finish
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Exhaust flange Set for DG Expansion Chambers by DG, Sold in pairs with springs for the Yamaha RD350 (all years) and RD400 (1976-1978). Note: picture is RD400 flanges, RD350 flanges basically the same with slightly smaller diameter. Choose model and click add to cart.
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DG Expansion Chambers Performance Exhausut for RD350 All Years and RD400 1976-1978. 13+/- hp increase, 10 pound weight reduction and bolt on easily. Steel construciton. Requires re-jetting of carburetors and new exhaust gaskets. Jets and exhaust gaskets are available here on the website.
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DID ERT3 (supersedes ERT2) 520 Race Chain - Yamaha RZ350 and RD 520 Conversion - Gold. High-performance, lightweight, low-friction chains designed exclusively for racing. This is basically the same chain as the older ERT2, but now with larger and stronger pins. 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 chain 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 modification service available, purchase here on on the site under the chain category.
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DID Standard Series 520 roller chain. Available in multiple lengths. This is an excellent medium grade chain, pre-stretched, anti-kink design, includes clip style master link. This chain is used on the RZ350 and for the RD250/350/400/R5 520 Conversion. Made in Japan. Choose Length and add to cart. Length for reference: R5/RD350/RD250 - 92 Links RD400 - 96 Links RZ350 - 106 Links (This chain is only available in 110 links, we can cut this to 106L for you by choosing this option Chain Length Modification
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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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Dual Digital EGT Gauges with Warning/Record and fast reacting probe. Displays exhaust temperature for two cylinders. Comes as complete kit with fast reacting probes and clamp on mounting hardware. Max temperature setting is adjustable and display turns from blue to red when reached as warning. Automatically records max temperature reached. Easy installation with instructions. 12V dual gauge with probes & mounting hardware by Koso North America. Replacement probes/hardware available.
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Dipstick O-ring Yamaha RD250/RD350/RD400 (all years). Buna O-ring, safe for motor oil and crankcase temperature.
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Disc/Rotor Lock Washer 90215-06106-00 Reproduction, sold each. Zinc plated. 8 required per disc/rotor
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DOT certified Turn Signals. Nice update for the RD turn signal, smaller than original with more up to date styling. Black body/Amber lens. Universal fit can be used front/rear, left/right. Not a bolt on direct replacement, you'll need to determine wiring and mounting as with any aftermarket signal. Note stems are short on these signals. Replacement lenses available. Sold in pairs. If you want stock bolt on signals see here RD Signals Stock Replacement
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DOT Compliant Turn Signals by K&S. Nice quality chrome or black finish aluminum bodied lights give any vintage bike and updated look. Available with amber or clear lens with chrome or black finish aluminum body. Dimensions approx 3.3"x1.4". Look great on an RD/RZ/R5. These have a bright 12V incandescent light. Sold in pairs. Available in single filament or dual filament. Note: Clear/Dual Filament not available. Choose filament and click add to cart.
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Dunlop D404H Metric Tires. Tread compound delivers excellent balance of mileage and grip. Front and rear tread patterns designed to deliver outstanding water evacuation and wet grip. Bias-ply construction designed to deliver excellent load-carrying capacity as well as a smooth ride for maximum comfort. Offset center groove delivers excellent straight-line stability. Available in the following sizes: Front 100/90-18 Rear 110/90-18
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No more points for your classic RD!!! Quick, Easy installation; easier than changing a set of points!! No modifications to the wiring harness, charging system, etc. Works with stock coils, or aftermarket coils made to use with points. (note: promotions/discounts do not apply to this item). Note: Suitable for All USA/Euro/Australian DS7, RD250, R5, RD350.
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No more points for your classic RD!!! Quick, Easy installation; easier than changing a set of points!! No modifications to the wiring harness, charging system, etc. Works with stock coils, or aftermarket coils made to use with points. (note: promotions/discounts do not apply to this item). Now available for the Euro/Australian Models. Choose model and click add to cart.
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EBC Carbon Fiber Lined Impregnated Friction Disc Set for Yamaha Yamaha RD250/350/400, R5, DS6/7, RZ350
- EBC Friction CKF Clutch Kit - CKF2279
- Clutch kit plates are carbon-fiber impregnated
- These tough clutch plates extend engine life, improve drive, increase the heat threshold of the clutch and improve rider feel
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EBC Carbon Fiber Lined Clutch Kit for Yamaha RD400 & RZ350 & Banshee. Includes steel plates, Carbon fiber lined friction plates and heavy dudt springs.
- EBC DRCF Series Clutch Kit - DRCF43
- Heavy-duty clutch kit designed for hard use and race applications
- Feature carbon-fiber lined clutch friction plates, a full set of steel plates and heavy-duty clutch springs
- Ideal for use in 2-stroke performance applications
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EBC Clutch Friction Disc Set for Yamaha Yamaha RD250/350/400, R5, DS6/7, RZ. Includes 7 friction discs.Cork-based clutch material impregnated with aluminum particles to increase wear life and heat resistance. Highly compressed construction avoids swell and clutch drag, Ideal for general-purpose street performance.
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Sale!EBC Clutch Kit for RD400 & RZ350. Includes steel plates, friction plates and springs. Featuring anti-swell friction plates, long lasting pin planished steel plates for better lube distribution and heavy duty clutch springs. Note packaging recently changed but same great clutch kit.
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EBC Heavy Duty Clutch Spring Kit for Yamaha RD250/RD350/R5/DS7. Set of 6 springs.
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EBC Heavy Duty Clutch Spring Kit for Yamaha RD400/RZ350/BANSHEE. Set of 6 springs.
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EBC High Performance Front Brake Shoes for Yamaha R5, RD250(1974),DS6(front/rear),DS7(front),RD200(front)
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EBC High Performance Rear Brake Shoes for RD250/350/R5/DS7(all years),RD250/350LC 1980-1982.
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ECON PERFORMANCE Heavy Duty Clutch Kit for the RD350/400/R5. Kit includes high performance FZR friction plates with wider friction face, Yamaha OEM steel plates, and heavy duty high performance clutch springs. This kit significantly upgrades the stock clutch and is suitable for long lasting street performance or high output racing engines. Unlike the Barnett, the lever pull with this kit isn't too stiff and is similar to stock, yet still provides maximum holding power. Easy installation, includes instructions. Note: You'll probably want to pick up a new clutch cover gasket to go with the kit, also sold here on the site in the gasket section. Note: RD400 Kit pictured. Note: The stock rubber cushion rings are not required with this clutch. Choose model then Click add to cart.
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Economy Carburetor / Jet cleaner Kit - wires, reamers, & brushes. This kit has everthing you need to clean your carburetor jets and passageways.
- Wires
- Reamers
- Brushes
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Coil Wire & Spark Plug Caps Kit. Kit includes: 2x zero resisance spark plug caps, preinstalled on 16" copper core plug wires (trim to length needed for your application). For all RD's, R5, DS6/7 and most 2 cylinder bikes. These work with Terminal and Removable Terminal/Stud type plugs (see pics below).
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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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Economy Cycle RD Banjo Bolt - 10x1.25 Note: RD350/400 F/R Master cylinder and Rear Caliper use 10×1.25 RD Front Caliper uses 10×1.0, except Daytona which uses 10×1.25 F/R.
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Economy Cycle Carabiner Flashlight. Handly little LED flashlight - small enough to keep in the bike's toolbox or on your keychain (battery doesn't activate until you remove the paper disc on the battery before use). Green annodizied aluminum body with small carabiner & Economy Cycle logo (approximately 4" long w/carabiner).
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Float Needle Valve Assembly for RD250/350/400. Includes float needle, seat & washer. Metal tip float needle.
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Economy Chain Breaker Tool - easy to use, works great on 520 & 530 chains. Cut your chain quickly and safely. Simply grind the head of the roller pin down flush with the link, then press it out with the tool.
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Economy Oil Pump Block Off Plate Kit. Kit includes:Yamaha RD350/400/250/R5/DS7
- Aluminum block off plate
- Yamaha oil pump gasket
- Stainless steel allen bolts and lock washers
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Reflector - Amber with black backing, 5mm stud - Great for RD's. Diameter approximately 60mm/2.38" - Made in Taiwan. Replaces Yam OEM No. 355-85111-01-00.
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Electrical Connector Cover (under side cover for generator/rec/regulator wires) Replaces OEM #256-82599-00-00, similar to original.
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The Viper classic DRAG/CAFE RACER Fairing is a quality classically styled unit and comes complete with mounting kit, and instructions. This unit fits most standard type motorcycles including RD's. Fits up to a 7 inch round headlight. Smoked windscreen is standard and made from high impact plastic.
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Exhaust springs by Moose Racing. Suitable for aftermarket exhaust / expansion chambers. Stainless Steel, sold in pairs. Available in multiple lenths (measurement is from hook to hook) 90MM fits most Yamaha RD/RZ applications. Choose length and click add to cart
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Exhaust Springs for RD/RZ Lomas & DG Pipes - Stainless, Sold in pairs.
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Expansion Chamber Silencers - Black Carbon Fiber or Stainless Steel, sold each. These work with Lomas expansion chambers, see dimensions below for other applictions Stainless dimensions: 250mm Long Weight = 592 grams Mounting = 3 each M6 on 38mm bolt circle Carbon Dimensions: 250mm Long Weight = 497 grams Mounting = 3 each M6 on 38mm bolt circle
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Flasher Relay - 12V 2 prong for 21-23W bulbs. By K&L. Replacement flasher for RD350/250/R5. You can use this flasher on the RD400 but you will lose the self cancelling function.
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Flasher Relay - 12V 3 prong for 21-23W bulbs. By K&L. Note this is not the same 3 prong flasher in the RD400 and will not function the same. You can use the standard 2 prong flasher we have here on the site for the RD400 and your signals will flash, however you will lose the self cancelling function. Original OEM Yamaha flashers for the 400 are still available but in excess of $170. We can order the original flasher for you, please contact us via customerservice@economycycle.com
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Float Bowl Drain Screw - RD400 (all). 68V-14191-00-00
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Float Bowl Drain Washer - RD350/RD250/R5 (all) Sold each. OEM part no. 278-14117-00-00
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Float Bowl Drain Washer - RD400 (76-79). This Viton O-ring is a perfect replacement for the original gasket which has been discontinued by Yamaha.
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Float Bowl Screw for VM24-28mm carburetors. Sold each. Note threaded portion of screw is 15mm (slightly longer then original screws used on RD's, but works fine).
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Float Bowl Screw set for VM24-28mm carburetors. Sold as a set of 4 screws with lock washers (enough to do one carburetor). Note threaded portion of screw is 14mm (same as original screws).
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Foam Grips - Value Priced. Economical foam grips for 7/8" bars. Vibration absorbing for comfortable grip.
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Foam Lever Covers. Comfortable black foam brake/clutch lever covers reduce hand slip, vibration and fatique. Sold in pairs.
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Replacement Fork Tube Set, hard chrome, 34mm diameter, stock length for each model. High quality reproduction part. Sold in pairs. Replaces original part numbers 278-23124-50-00 351-23124-50-00 1A0-23124-01-00
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Forward Fuel Tank Dampers, new Yamaha OEM, sold in pairs. Suitable for RD400 (all years).
