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  • Fuel Filter for 1/4" or 5/16 fuel line with directional arrow for fuel flow. About 2.25" length installed. Screen type element.
  • Fuel Filter for 1/4" fuel line with directional arrow for fuel flow. About 2" length installed.
  • Visu-Filter Fuel Filter 1/4", suitable for 3/16-1/4 inch line, about 2" length installed.
  • Out of stock
    Yamaha RD250/350 Wiring Harness. Reproduction wiring harness for the Yamaha RD250/350 (all years). Due to the high cost of reproduction harnesses and originals being discontinued, Economy Cycle commissioned a manufacturer to do a run of harnesses for the 250/350. All wiring colors and connectors are the same as stock and is a direct fit replacment, but varies from original harness in terms of materials used for loom, color of plastic connectors, and other minor differences, etc. Note: This harness does not work with the later Euro 250's (that looked like 400's with the coffin tank).
  • Yamaha RD250 RD350 Airbox Lid - Reproduction Part Part no. 278-14412-01-00 CAP, CLEANER CASE 1, no longer available from Yamaha.
  • 128MB USB Drive - Economy Cycle USB/Flash Drive
  • Economy Cycle Disposable Poncho. Clear, one size fits all Poncho with hood, short sleeves, and Economy Cycle Logo. Tuck one away on the bike, great for camping, outdoor events, etc. Each poncho individually packed in small plastic bags.  
  • Fuel/Gas Tank Cap Seal Kit for Yamaha RD250/350. Iicludes 3 internal seals. Reproduction seals no longer available from Yamaha. Replaces OEM Part numbers: 308-24641-00-00, 308-24642-00-00, 341-24612-00
  • Generic Yamaha Key Blank for RD250/350. This is a key blank for Yamaha key series 26XX. Note picture is of original Yamaha key blank which is no longer available, you will receive a plain generic key blank without the word "YAMAHA" on it.
  • Intake Manifold for Yamaha RD250 RD350 RD400, Sold Each. High quality reproduction part, no longer available from Yamaha. Sold Each. Note: will work on 1979 RD400F but does not have vacuum port on top.
  • A six-step maintenance system designed to recharge any K&N AirFilter. Completely restores air Flow efficiency so your Air Filter performs like new. Includes: 6 1/2oz. Spray Oil, 12oz, Filter Cleaner, Service Decal and service kit.
  • ProX Connecting Rod Kit - Yamaha RD250/350/R5/DS7 (all). Connecting Rod Kit by ProX, includes connecting rod, small end bearing, big end bearing, pin and thrustwashers. PROX Connecting Rod Kits are made out of the toughest alloys available today. O.E. specifications and tolerances are meticulously maintained, a guarantee for easy installation and trouble free performance. Sold each. Sample
  • RD Chain Guard Damper Kit - Fits all RD's, R5, DS7 & More see complete fitment below Kit Includes: Rubber Damper, Special Washer, Collar, Screw/washer See product detail for complete fitment
  • 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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  • Replacement RD250/350/400 Carburetors - Mikuni VM Round Slide Series 28mm Carburetors (pair). Original carburetors for the RD250/350/400 are no longer available from Yamaha. However, Mikuni does offer new VM28 round slide carburetors that are very similar in function and appearance to the original RD carbs. They do require re-jetting, a new throttle cable and optional oil injection. We include a 2 line cable for bikes that use premix or a 3 line cable if you choose the oil injection option. The oil injection option includes new oil nozzles. These carbs are only available with left hand idle screw and have individual choke levers (no choke crossover between carbs). We can jet the carbs for a stock RD250, RD350 or RD400 or for your specific application if you have pipes and other modifications that require jetting changes. Please submit a note with your order upon checkout for jetting changes required, if additional information is required we will contact you. Carb sets are built to order, please allow 5-10 days for shipping. You should let us know the year/model of your RD and any modifications, pipes, air filter, porting, etc. Note: The oil injection option is not required for the R5/DS7. 
    Select options This product has multiple variants. The options may be chosen on the product page Details
  • Sale!

    Vape CDI Electronic Ignition for Yamaha RD’s, R5 & DS7 (formerly Powerdynamo/MZB)

    Original price was: $650.00.Current price is: $575.00.
    Replaces the stock generator, points, condenser, coils and regulator found on the RD, R5 and DS7. This system includes a lightweight cnc machined one piece external magnetic rotor and powerful stator, CDI ignition and HT coil pack, regulator, plug wires and caps, misc hardware and installation instructions. (note: all new systems purchased include the updated rotor
  • New Replacement Headlight for Yamaha RD R5 DS7
    • Yamaha no longer makes the replacement headlight bulb for the RD's
    • This is an option to replace the original 162mm headlight
    • Comes with a H4 bulb  60/55w
    • The light is held in place with clips and the side to side adjuster is deleted.
    • Applications
      • Any motorcycle with a 162mm headlight
      • Yamaha R5, DS7 1970-1972
      • Yamaha RD350, RD250 1973-1975
      • Yamaha RD400 1976-1980
    • Note: Clips for this headlight can be found here Headlight Clips
     
  • Yamaha RD250 RD350 1973-1975 Dash Plate- reproduction part, never avaialble from Yamaha. This is a painted metal part.
  • YAMAHA RD250, RD350, RD400, R5, DS7  Shocks (sold in pairs). Great replacement shocks that closely mimick the originals.
    • Chrome body with black or Chrome Springs
    • 325mm Eye to Eye.  14mm eyelets
    • 7mm Wire Diameter
    • Adjustable Preload
    • 12 month warranty
    Select options This product has multiple variants. The options may be chosen on the product page Details
  • Yamaha RD250/350(all US) Gauge Face Decals for Speedometer and Tachometer. Reproduction decal true to original graphic. Must be applied over original gauge face and will eluminate like original gauges. Removal of original is required as well as dis-assembly of tach/speedo to acess gauge face.
  • Yamaha RD250/RD350/R5/DS7 Uni Air Filter - Stock Replacement. High performance air filter for stock air box. Fits perfectly in stock air-box, high flow, high filtering. Foam over wire frame.
  • Yamaha RD350 RD400 Front Master Cylinder Rebuild Kit. Original Yamaha OEM part. Includes piston, seals, spring, circlip, and dust boot. 1A0-W0041-00-00
  • Zero Gravity Windscreen for the RZ350 in Clear, Smoke or Dark Smoke. Exact OEM fit, advanced screen technology, excellent clarity, race proven. Give your a RZ a face lift, replace your old scratched and cloudy windshield with a brand new Zero Gravity windscreen. Screens can also be ordered in custom colors. *Note: this product requires additional shipping charges of $34.00 per windscreen to any US location, this will be added to our normal flat rate shipping of $15.95. See our poilicies for International Shipping charges. Choose option for tint and click add to cart. Note: Each windscreen is made individually and by special order only. Windscreens are shipped approxiamately 4-6 weeks after placing order.  
    Select options This product has multiple variants. The options may be chosen on the product page Details
  • Yamaha RZ350 Carburetor Rebuild Kit for USA 1984-85 models. None of the major carburetor rebuild kit manufactuers supply the correct kit for the 1984/1985 USA RZ350 so we put these together with OEM Yamaha, genuine Mikuni and premium aftermarket parts to bring you the correct kit with the best parts available. Kit Includes the following:
    • Float Bowl Gasket
    • Float Needle Set
    • Carb Top Gasket
    • E Clip
    • Main Jet Washer
    • Main Jet 230
    • Pilot Jet 20
    *Jet needles / Needle Jets are no longer available and not included with the kit.
  • Zeeltronic PCDI10VT CDI for Yamaha RZ350. Programmable CDI/Ignition and Power Valve controller. This unit replaces the stock RZ350 CDI and Powervalve controller. Ability to program your own ignition/power valve curves or use any of 5 preloaded ignition curves (switching between curves and programming your own curve requires handheld or USB programmer, sold separately). Includes 3 stage rev limiter, 20K rev ceiling, shift light output, shift kill for quick shift, electronic tach output. Store and load 2 ignition maps and 5 powervalve curves. Comes with instructions and wiring diagrams. 24 mos. warranty. Sample picture. Note: This item is not eligible for discount or special promotions. We stronhly recommend purchasing the programmer as there are settings that need to be entered/changed, power valves, static timing, rev limiter etc).
  • Damper, Chain Guard. RD350 RD400 RD250 R5 DS6/7. Includes damper and metal collar. High quality reproduction part no longer available from Yamaha.
  • DOT 4 Brake Fluid by Maxima. 16.9oz/500ml bottle.
    • For use in all vehicles specifying DOT 3 or DOT 4 brake fluid
    • Durable and reliable stopping power
    • Anti-vapor lock formulation maintains responsive lever and pedal feel
    • Resists corrosion, oxidation and “boil-off”
    • Eliminated corrosion and lubricates fuel system components
    • Mixes with other DOT 3 and DOT 4 brake fluids
    • Exceeds US FMVSS 116 DOT 3 & DOT 4, SAE J1703, SAE J1704 and ISO 4925 (Classes 3 & 4)
    This product has additional shipping charges, calculated at checkout.
  • Dynatek Ignition Coil - RZ350. Replacement ignition coil for RZ350/RD350LC. Dynatek miniature series .5ohm coil. Dual outputs. 40,000 volts vs. stock coil @25,000 volts. Includes plug caps. RZ coils are no longer available from Yamaha. This is a universal coil, not an exact duplicate of the RZ coil and not a direct bolt on; however, we offer an easy hardware/wiring installation kit that allows mounting of this coil in the stock location. Hardware/Wiring kit is offered here on the site in the RZ coils category. Otheriwise, you will need to determine a mounting method. Sold each - one coil w/dual outputs
  • Reproduction Neutral Switch & Seal Assembly RD/RZ/R5/DS6/7 all years, includes neutral switch, seal & 3 screws, part numbers below. We've had lots of requests for a less expensive alterntative. The plastic isn't as pretty white as the originals but this kit is half the price of OEM and the netural switch isn't a visible part.
  • 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.
  • ProX Connecting Rod Kit - Yamaha RD400 (all). Connecting Rod Kit by ProX, includes connecting rod, small end bearing, big end bearing, pin and thrustwashers. PROX Connecting Rod Kits are made out of the toughest alloys available today. O.E. specifications and tolerances are meticulously maintained, a guarantee for easy installation and trouble free performance. Sold each. Sample picture.
  • ProX Piston Kits (Sold each). Yamaha RD350/400/RZ350/RD350LC/RD350YPVS (all years). Piston kits include piston, rings, pin and clips. ProX pistons are manufactured in Japan and are designed to meet or exceed OEM specifications. Available sizes are 64.0mm, 64.25mm, 64.50mm, 64.75mm, 65.0mm, 65.25mm, 65.5mm. Note: Use of these pistons in air cooled RD350/400 require modification of the piston skirt. We can perform this service for you. You can purchase the piston modification service here on the site under the piston category. Choose piston size, quantity and click add to cart.
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  • ProX Piston Ring Sets (ea) Yamaha RD350/400/RZ350/RD350LC/RD350YPVS (all years). Piston replacement ring sets for ProX pistons (sold each - enough for one piston). ProX pistons ring sets are manufactured in Japan and are designed to meet or exceed OEM specifications. Available sizes are 64.0mm,64.25mm,64.50mm,64.75mm,65.0mm,65.25mm,65.5mm. Choose ring size, quantity and click add to cart.
    Select options This product has multiple variants. The options may be chosen on the product page Details
  • 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.
    Select options This product has multiple variants. The options may be chosen on the product page Details
  • Visu-Filter Fuel Filter 1/4" with 90 degree angle, suitable for 3/16-1/4 inch line, about 1.6" length installed.
  • New old stock part - 1 available Yamaha R5/DS7/RD250/RD350/RD400 Horn 12V - OEM Part 4L0-83371-30-00. This is the original horn for the R5/DS7/RD250/RD350. The RD400 horn was discontinued, this horn can be used but the mount will have to be bent to position the horn.
  • Yamaha RD250 RD350 R5 Air Box Strap. This is the rubber strap to secure metal lid on air-box. Reproduction part, no longer available from Yamaha. Sold Each.
  • Yamaha RD350 RD400 Front Master Cylinder Rebuild Kit. Includes piston, seals, spring, circlip, and dust boot. Original Yamaha OEM part. This is for the 5/8 master cylinders. If you look on the bottom of your master cylinder and it has a "14" embossed this kit will not work. NOTE:  This is for the YAMAHA OEM brake master cylinders, not for our reproduction master cylinders. Applications:
    • RD350 1973-75
    • RD400 1976-78 (Front) Will not work on the RD400F Daytona Special with a 14mm master cylinder.
    • XS1/ XS2 1970-72
    • XS650B 1975-76
    • TX500 1973-74
    • TX650 1973-74
    • TX750
    • TZ125G 1980
  • Yamaha RD400 Wiring Harness. Reproduction wiring harness for the Yamaha RD400 (1976-1977). Due to the high cost of reproduction harnesses and originals being discontinued, Economy Cycle commissioned a manufacturer to do a run of harnesses for the 400. All wiring colors and connectors are the same as stock and is a direct fit replacement, but varies from original harness in terms of materials used for loom, color of plastic connectors, and other minor differences, etc. Note: 76/77 use the same harness.
  • Yamaha RD400 HiFlo Air Filter Upgrade - This is the unbaffled Eruopean spec version of RD400 air filter. This can be used in the USA spec RD400 as a performace upgrade but we recommend jetting up to 27.5 pilot and 140 main jet for stock bike with stock pipes (links below). This is a branded (HIFLO) paper element filter true to the original. Pilot jets: Pilot Jets Main Jets: Main Jets
  • RD400 Uni Air Filter for Stock Air Box. High performance air filter for RD400(all) stock air box. Note this filter is made and specified to work in the stock air box of the 1976-1979 RD400. This filter looks taller than the stock filter but the top and bottom are foam and will compress when installed in the box and the lid tightened down.
  • Yamaha RD400(76-78) Gauge Face Decals (Tach/Speedo). Reproduction decal true to original graphic. Must be applied over original gauge face and will eluminate like original gauges. Removal of original is required as well as dis-assembly of tach/speedo to access gauge face.
  • note: One Canadian Wind Screen in Dark Smoke is currently in stock and can ship right away. Yamaha RZ 350 Canadian (Full Fairing Model) 86-90 Available in Clear, Light Smoke, and Dark smoke. (light smoke pictured). Exact OEM fit, advanced screen technology, excellent clarity, race proven. Give your a RZ a facelift, replace your old scratched and cloudy windsheild with a brand new light smoke Zero Gravity windscreen. Screens can also be ordered in custom colors. *Note: this product requires additional shipping charges of $34.00 per windscreen, this will be added to our normal flat rate shipping of $15.95. Choose tint option and click add to cart. Note: Each windscreen is made individually and by special order only. Windscreens are shipped approxiamately 4-6 weeks after placing order.
    Select options This product has multiple variants. The options may be chosen on the product page Details
  • Yamaha RZ350 Carburetor Rebuild Kit for 1983-1985 Canadian Bikes (Does not fit USA) Includes the following:
    • Float Bowl Gasket
    • Float Needle/Set
    • Jet Needle
    • Needle Jet
    • E Clip
    • Air Screw
    • Spring, air screw
    • Main Jet 230
    • Pilot 20
    • Washer
    • Throttle screw/spring
    • Top Gasket
    Link to carburetor rebuild kit for USA models: Carburetor Kit for USA Models
  • This unit can be used to replace the stock RZ350 CDI and no programming is required. Comes pre-programmed with igntion curve similar to stock ignition curve for the RZ350 (US/Canadian/Euro Models). Comes with instructions and wiring diagrams. 24 mos. Warranty. Unit comes with pig-tail wire ends and will require solder or crimped connections to RZ harness. Bullet connector kits and connector blocks sold here on the site suitable for this purpose. Note: Programmer can be added for ability to program custom ignition curve. Note: This unit is also ideally suited for aftermarket non-power valve cylinders like Athena, Trinity, CPI.
  • Damper Washer for Chain Guard. RD350 RD400 RD250 R5 DS6/7.  This is the special shaped metal washer (squared edge) used with the rubber chain guard grommet sold here on the site. High quality reproduction part no longer available from Yamaha. Replaces Yamaha part no. 90209-06034-00
  • DOT 4 Synthetic High Temp Racing Brake Fluid by Maxima. 500ml/16.9oz bottle.
    • Synthetic, zero-fade racing brake fluid designed to ensure maximum stopping power and protection for critical brake system components under the most extreme racing conditions
    • Extensively developed formulation maintains unparalleled responsiveness and performance by preventing water contamination and vaporization in any environment
    • Advanced chemistry resists oxidation under excessive temperature, prevents corrosion and is compatible with SBR and EPDM rubbers
    • Extremely high boiling point, over 600 degrees
    • High temperature additive system
    • Anti-vapor lock formulation
    • Mixes with other DOT 3 and DOT 4 brake fluids
    • Exceeds US FMVSS 116 DOT 3 & DOT 4, SAE J1703 and SAE J1704
    • Do not use in DOT 5 silicone brake systems or mix with silicone based fluids
    This product has additional shipping charges, calculated at checkout.
  • Dynatek High Performance Spark Plug Wires. 8mm suppression spark plug wire set, great for use with our Dynatek coil. Highest grade graphite suppression core to reduce electrical noise and increase engine performance. Two wires, 48" length (cut to length for your specific application). Gray outer cover, includes insulators as pictured.
  • Uni Y-Boot Filter System for RD250/350/400/R5/DS7 & RZ350. Includes genuine Uni foam filter, New reproduction Y-boot, pvc filter support ring, clamps & hardware for mounting. Also available in low profile with a 4" Uni filter.
    Select options This product has multiple variants. The options may be chosen on the product page Details
  • High Flow In-line Fuel Filter. For 1/4" fuel lines. High-impact nylon housing, sonically welded for no-leak, no-break performance. Gravity flow rate of 7.6 gallons per hour compared to typical in-line filters with 2 to 4.5 gallons per hour.
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