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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.
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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
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These manifolds, manufactured by UPP/Moose, are crafted from durable polyurethane material that outperforms stock manifolds. Designed to accommodate carburetors with a 35mm spigot opening, they are ideal for use with stock 28mm carbs on RD350/400 or RZ350 applications. Additionally, these manifolds feature boost/crossover holes, making them perfect for use with a boost bottle or crossover tube.
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Spark Plug Cap - 5K or 0K resistance for 14mm spark plug, with 90 degree Elbow (RD/RZ/R5), NGK Type - Reproduction, sold each. These caps are just right for the RDs and other 2 stroke vintage Japanese twins. Includes waterproof covers. For terminal stud type plugs or plugs with removeable terminal nuts (BR8ES, BR8HS). It is not recommended to use both resistor caps and resistor plugs, use either resistor plugs with non-resistor caps, or non resistor plugs with resistor caps.
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Sale!Anodized Aluminum Fuel Filter by Russell - Close Out - 1/4" Silver - ONLY 1 AVAILABLE. Premium-quality, high-strength anodized alloy case with replaceable bronze filter element and gasket (link below). Replacement element available here on the website: Fuel Filter Element by Russell
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Manifolds for 30-34mm Carbs(VM, TM, PWK, PJ). Mfg'd by UPP, high quality polyurethane, outperforms stock manifolds. Carb side opening i.d. accomodates 40mm carb spigot. Includes manifold gaskets & clamps. (recommended for use with larger 34mm carbs on RD350/400 or RZ350 applications). Sold in pairs.
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Manifolds for 30-34mm Carbs(VM, TM, PWK, PJ) with Boost/Crossover holes. By UPP/Moose Racing, high quality material resistant to cracking or ripping, outperforms stock manifolds. Specifically formulated to resist harsh fuels (including methanol) and oils. Carb side opening i.d. accomodates 40mm carb spigot. Includes manifold gaskets & clamps. (recommended for use with larger 34mm carbs on RD350/400 or RZ350 applications). Perfect for use with boost bottle. Sold in pairs.
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Manifolds for 36-40mm Carbs(VM, TM, PWK, PJ). Mfg'd by UPP, high quality polyurethane, outperforms stock manifolds. Carb side opening i.d. accomodates 43mm carb spigot. Includes manifold gaskets & clamps. (recommended for use with larger 36-40mm carbs on RD350/400 or RZ350 applications). Sold in pairs.
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Y-boot Adaptors for Larger Mikuni Carburetors
- Install a Y-boot Filter kit on your Yamaha RD with Larger Carburetors
- Increase performance by reducing turbulance generated from pod filters
- Adapts our Y-boot filter kit to fit the larger aftermarket Carbs with a 58mm inlet housing
- Mikuni VM30-34
- Mikuni TM32-34
- Includes 2 adaptors and 2 clamps
- Made from Aluminum. In Lincoln NE, USA
- Sold as a pair
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Red rubber grease (RGR) is used for repair, assembly and conservation of hydraulic brake components, apply thinly and evenly to cylinder sleeves, pistons, pins and seals. RGR rubber grease is compatible with DOT3/4 and 5.1 brake fluids. Contains Liquilon®, which lubricates long after conventional greases have washed out. Water repellent. Stands up to extremely high temperatures.
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12V Horn by Chris Products - generic horn sutiable for motorcycles with 12V system. Simple installation. This horn is smaller than the original RD horn, about half the size.
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12V Horn by K&S - available in Chrome or Black - Very similar to original RD horn size, shape and mount. 110-120 db
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The Maxima Quick 2 Mix bottle has been calibrated to give you the ability to accurately mix in ratios of 24:1 to 100:1. Simply choose the ratio of oil you wish to use and the amount of gas you are going to mix. Fill oil to the mark corresponding to the amount of gas you will use. For example: To mix 4 gallons of gas at 32:1, fill oil to the 4.0 gallon mark under 32:1 ratio. To mix 6 gallons of gas at 50:1, fill oil to 6.0 gallon mark under 50:1 ratio. etc. The Maxima Quick 2 Mix also features ounce and CC calibrations located on the right side. Use these for you own custom ratios, filling transmission oil, fork oil, etc. Accurate measurement, mixes ounces/cc's/gallons/liters. Convenient Cap keeps inside clean. Durable Polypropylene. Easy to measure. 20oz/592ml plastic bottle.
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Sale!35V Electrolytic Capacitor. This capacitor can be used to create a battery eliminator which will work on most bikes with CDI ignitions. Instructions for making this capacitor into a battery eliminator can be easily found on the internet, please do not contact us for instructions, this is intended for the do it your selfer with the electrical knowledge and tools necessary to create and wire the eliminator. We also sell a pre-made capacitor battery eliminator here on the site by Zeeltronic. This does not work with bikes with points/condensor/magneto type ignitions. For instance, this eliminator will work with the RZ350 but will not work with the stock RD350/400 ignition. Also Not recommended for use with the Powerdynamo ignition system.
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All Balls Steering Stem Bearings - fitment for the following Yamaha models RD250/350/400/R5/RZ350/LC/TZ250/350. Note these are tapered roller bearings and are approximately 2mm taller than stock ball bearings but will work and fit the models noted. Tapered rolling bearings are stronger than the stock traditional ball bearings and provide more stable controlled steering.
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Barnett Clutch Kit Yamaha RD350LC (All), includes 7 Kevlar friction plates, 6 steel drive plates, 6 heavy duty springs. High performance clutch kit for the Yamaha RD350LC.
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Battery Eliminator by Zeeltronic. Battery eliminator is an electrolyte capacitor (30000-45000uF/25V) and works on most bikes with CDI ignitions. This does not work with bikes with points/condensor/magneto type ignitions. For instance, this eliminator will work with the RZ350 but will not work with the stock RD350/400 ignition. Not recommend for use with the Powerdynamo ignition.
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Battery Lead / Terminal Cover. Used to cover the battery terminal leads.
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Black plastic bolt head cap covers for metric socket head (allen) in sizes M8 or M6. Makes for a nice clean look. Sold each. These simply press in to the bolt head, easy to remove. note; Size M8 (for RZ handlebar risers and other M8 Allen head bolts), Size M6 (for RD/RZ engine case bolts and other M6 allen head head bolts)
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Boost Bottle for RD250, RD350, all years, RDLC350 1980-1982, RZ350 all years, Banshee all years. Increased performance, throttle response, carb balance, stores fuel charge for additional power. All Aluminum body with leak proof nipples. Approximate dimensions 2 in. x 6.25 in. Requires cross over type manifolds (RZ style - sold in our manifolds category product 005-835 for stock 28mm carbs, or 005-836 (by UPP) for 30-34mm carbs, or 1050-0057 (by Moose) for 30-34mm carbs).
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Boyesen Power Reeds - Yamaha RD250/350/400 and RD250/350LC Boyesen's patented dual-stage design incorporates a specially shaped top reed and ported bottom reed. The top reed is lightweight and resilient for crisp throttle response at partial throttle or low RPM. The stiffer, bottom reed is ported to provide maximum flow and horsepower at higher RPM. More Airflow, More Air Velocity, More overall Power. Includes 2 sets of reeds.
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Brake Bleeder Valve Caps - Vintage Style - set of 2 caps
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Caged Ball Bearing Steering Stem Bearing Kit for RD250/350/400/R5/RZ350/LC/TZ250/350. Simple replacement kit same dimensions as stock parts and no chasing ball bearings around the garage! Includes the following:
- Upper / Lower Races
- Upper / Lower Caged Ball Bearings
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Continental Classic Attack Radial Tires for your RD or RZ! Multiple Sizes Front/Rear. See details for sizes
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Crampbuster cruise assist. Let the weight of your hand do the work of holding the throttle open while you ride. Relief from numbness and cramps. Slips on in seconds, no tools required.
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Crankcase Breather - Yamaha RD250/350/400/R5/RZ350. Orignial Yamaha OEM part no. 583-15371-00-00
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Crankcase Breather - Yamaha RD250/350/400/R5/RZ350. Reproduction part replaces Yamaha part no. 583-15371-00-00
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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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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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EBC High Performance Rear Brake Shoes for RD250/350/R5/DS7(all years),RD250/350LC 1980-1982.
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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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Foam Lever Covers. Comfortable black foam brake/clutch lever covers reduce hand slip, vibration and fatique. Sold in pairs.
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Front Master Cylinder - Universal Master Cylinder Suitable for RD250/350/400. For standard 7/8" Handlebars, 13mm piston, does not include a mirror mount. Black finish on body with silver lever. Includes complete assembly, lever and banjo bolt as pictured. This master cylinder also has a built in brake switch which you can connect to your bike with spade type terminals.
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Head Temperature Gauge with 14mm Sensor
- Displays temperatures up to 500°F
- Temperature accuracy within 1°F/°C
- User-selectable display in °F or °C
- Measure and record maximum temperature (resettable)
- Small size (1.9" x 1.0" x .59") with large, easy-to-read display
- Waterproof
- Approximate five-year battery life
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Kenda Inner Tubes for RD250/350/400/RZ/LC350 Front. Standard inner tube, straight valve, double nut, rubber compound.
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Kenda Inner Tubes for RD250/350/400/RZ/LC350 Rear. Standard inner tube, straight valve, double nut, rubber compound.
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Labyrinth Seal RZ350/LC350/Banshee (all years) OEM quality reproduction seal. Original part no longer available from Yamaha. Sold each.
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Maintenance Free Sealed Battery for Yamaha R5, DS7 RD250/350/400, RD350LC, RZ35350 From Parts Unlimited. **Batteries will ship via UPS - Provide a street address for shipping - UPS will not ship to a PO Box**. Battery includes acid pack. Note this battery is slightly smaller than stock battery. *additional shipping costs apply to this item, calculated at checkout. Note this is a generic battery and we will occasionally subsitute brand depending on availablity.
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Out of stockMikuni Carburetor Tuning Manual. Includes complete parts list, functions, maintenance, troubleshooting and parts selection for Mikuni carburetors.
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Genunin Mikuni Needle Jet Bleed Type, choose needle number and quanity, then click add to cart
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Genuine Mikuni Needle Jets Primary type, choose needle number and quantity, the click add to cart
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Mikuni Vent Tube Anchor Plate - This part attaches to the float bowl screws and holds the vent line. 2 Required per carb.
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Mirror - Yamaha RD400 RD250/350LC Replacement Mirror Left hand. Perfect match in fit & finish, just like the original sans the Yamaha Logo. Also available Right hand & sold in pairs
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Mirror - Yamaha RD400 RD250/350LC Replacement Mirror Right hand. Perfect match in fit & finish, just like the original sans the Yamaha Logo. Also available Left hand & sold in pairs
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Mirrors - Yamaha RD400 RD250/350LC Replacement Mirrors - Pair. Perfect match in fit & finish, just like the original sans the Yamaha Logo. Also available separately RH, LH
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Long-filament fiberglass made especially for 2 stroke muffler packing, suitable for aftermarket expansion chambers, Measures 10.5" x 16", more than enough to repack virtually any 2-stroke silencer. Resists breakdown up to 1200 degrees F. Made in the U.S.A.
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Manifolds for 30-34mm Carbs(VM, TM, PWK, PJ) with Boost/Crossover holes. By Moose Racing, high quality material resistant to cracking or ripping, outperforms stock manifolds. Specifically formulated to resist harsh fuels (including methanol) and oils. Carb side opening i.d. accomodates 40mm carb spigot. Includes manifold gaskets & clamps. (recommended for use with larger 34mm carbs on RD350/400 or RZ350 applications). Perfect for use with boost bottle.
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***NOTE*** Most non-resistor type spark plugs (B8HS, B8ES) have been discontinued by NGK, you can substitute resistor type spark plugs (BR8HS, BR8ES) without issue). The NGK Standard Spark Plug is manufactured to enhance the performance of the vehicle. It is constructed from durable material that is corrosion and abrasion resistant. The Spark plug insulators are made of 99 percent pure alumina silicate, allowing for longer insulator noses for reduced fouling. This Spark plug features a triple gasket sealing process that eliminates fuel leakage. It also includes a solid copper core that provides superior heat dissipation and conductivity. This Spark plug has resistor that is produced with a glass and carbon mixture, which is fired to ensure superior performance and durability. It has corrugated ribs that prevent flash over and cold rolled threads to inhibit damage to the cylinder head. Choose spark plug and click add to cart.
