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  • Yamaha RZ350 Fork Brace (USA Models and early models euro/canadian/australian 1983-1985).  CNC Billet aluminum fork brace in available in high polish or satin black powdercoat. Includes stainless hardware. Works with stock fork dust boots. Brush (front of picture)/ High Polish (rear of picture) - 1 in stock RZForkBracesPolishSatin Satin Black Powdercoat - 4 in stock  
  • Dynatek Ignition Coil Kit - RZ350 Includes:
    • 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 and crimp connectors. RZ coils are no longer available from Yamaha.
    • Dynatek Spark Plug Wires - 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.
    • RZ350 Hardware/Wiring Installation Kit - This kit allows easy mounting of our Dyna coil in the stock coil location. Includes all hardware, nuts, bolts, spacers, a sub wiring harness and complete installation instructions with pictures. Bolt on kit, no drilling or mods required. Note: This is for installation on 1984-1985 USA models of the RZ350 and also fits the Australian RZ350 1983-1985. We have not installed this kit on other models of the RZ350 from other countries.
  • Yamaha RZ350/Banshee Water Pump Impeller. Billet CNC-machined Aluminum Impeller, replaces stock impeller, standard flow rate. Replaces Yamaha part no. 4L0-12450-01-00 Available in Black or Silver. Made in China.
  • 128MB USB Drive - includes RD350/400 Parts Diagrams, Service Manuals and Wiring Diagrams. Included on this flash/USB drive are .PDF files:
    • RD350 Parts Diagrams by Yamaha
    • RD350 Service Manual by Yamaha
    • RD350_(US)_wiring_diagram - Aftermarket diagram
    • RD400 Parts Diagrams - by Yamaha
    • RD400 Service Manual - Aftermarket Euro Haynes Manual - out of print
    • RD400_(US)_wiring_diagram - Aftermarket
    These files are commonly available on the internet and Economy Cycle has not vetted or checked for accuracy, provided for informational purposes only, use at your own risk.  
  • Sale!
    Vintage Yamaha T-Shirt - from the 1975 "someday you'll own a Yamaha" advertising campaign. Premium pre-shrunk soft cotton t-shirt. Official licensed Product. Charcoal color, available in L, XL, and 2XL. Choose size and click add to cart
  • Oil Pump Worm Gear Pin and spring set. These are the small springs and pins under the ring gear that often get lost and make the pump inoperable. These pins/springs work with all Yamaha oil pumps with the white priming wheel (and RD400's with or without priming wheel). When used as a set, this pin/spring combination is 1mm shorter than stock which makes them much easier to install and doesn't affect the operation of the pump. Sold as a set of 1 pin and 1 spring.
  • 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  
  • Yamaha RD Shift Shaft Upgrade Kit - Includes: (This is the Original UK made kit, not the Chinese copy) - New CNC 6082 Billet Housing / PB1 Bronze Bushing - O-ring Seal Nitrile - Shift Shaft Seal - Acetal Shaft Sleeve - Easy to install, no mods required Though they have great transmissions, Yamaha 2 stroke twins aren't known as the best shifting bikes, and as they age shifting becomes even worse. The engine case opening for the shift shaft wears away causing the seal to fail, resulting in a constant oil leak, sloppy shifting, difficulty finding neutral, and missed shifts. Replacing the seal is just a temporary fix until it quickly fails again. This kit helps eliminate those issues. Economy Cycle tested for fitment/performance, highly recommended. You'll notice a difference in shfiting right away as the shaft/lever have much stronger support from the new bushing. The kit helps reduce miss shifts and revving to the moon, as well as making it a bit easier to find neutral. So sure, the kit eliminates the annoying oil leak with double sealing (by the O-ring and shaft seal), but to us as RD performance enthusiasts, this is a performance improvement allowing for precise and quick shifting. Great for street or race applications. Easy to install.
  • We designed these new kits with RD enthusiasts in mind and includes the following specs / features
    • Works with the engine in the frame (most dial gauges are too large and won't fit in the RD due to the frame rails sitting just above the heads)
    • Metric Gauge - no need to convert from SAE and one less chance to make a mistake when converting
    • Increments:
      • 10mm stroke 1/100mm graduation
      • Big hand sweeps 1 mm
      • Smal hand in .10 mm increments
    • 10, 12, & 14mm adapters makes this kit suitable for most 2 strokes
    • 2 Extensions
  • RD brakes can be difficult to bleed, time consuming and messy. This kit makes quick work of bleeding brakes and at an economical price, great for occaisional use without breaking the bank. Kit includes:
    • Pump w/Gauge
    • Canister/lid
    • Hoses
    • Fittings for a variety of calipers
  • 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, 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