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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 -
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. -
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.
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Yamaha Neutral Switch & Seal Assembly RD/RZ/R5/DS6/7 all years. Yamaha Part, includes cover, seal & 3 screws, part numbers below. 1L9-82540-00-00 x 1 93210-29196-00 x 1 98707-05012-00 x 3 -
Yamaha RD250/350/400/R5/DS7 (all years) Crankshaft Bearing - Outer (Yamaha OEM). Original Yamaha OEM Bearing. Current Yamaha part number 93306-30549-00. Sold each (crankshaft requires 2) -
Yamaha RD250/350/400/R5/DS7 (all years) Crankshaft Bearing - Inner (Yamaha OEM). Original Yamaha OEM Bearing. Current Yamaha part number 93306-20621-00. Sold each (crankshaft requires 2) -
Yamaha RD250/350/400/R5/DS7 (all years) Connecting Rod Big End Bearing (Yamaha OEM) Original Yamaha OEM Bearing. Current Yamaha part number 93310-422C8-00. Sold each. -
Yamaha RD250/350/400/R5/DS7 (all years) Upgraded Connecting Rod Big End Bearing. This flat caged silver plated big end bearing comes from the Suzuki RG500 Gamma, but is a perfect match for the Yamaha RD's and much stronger then the stock bearing. This bearing can be used with stock Yamaha rods or the ProX rods we sell here on the site. -
Yamaha RD350/400/R5 (all years) Connecting Rod Small End (wrist pin) Bearing (Yamaha OEM). Original Yamaha OEM Bearing. Current Yamaha part number 93310-216E1-00. Sold each. -
Yamaha RD250 / DS7 (all years) Connecting Rod Small End (wrist pin) Bearing (Yamaha OEM). Original Yamaha OEM Bearing. Current Yamaha part number 93310-216L2-00. Sold each. -
Yamaha RD250/350/400/R5/DS7 (all years) Crank Pin. Sold each. -
Yamaha RD250/350/400/R5/DS7 (all years) Connecting Rod Thrust Washer. Sold each. -
Complete engine gasket set for Yamaha RD250/350/R5 (all years) by Athena. Note: RD250 requires different head gaskets, also sold here on the site. Gasket set includes the following: Head gasket x 2 Base gasket x 2 Manifold (reed cage) gaskets x 2 Exhaust gaskets x 2 Right Crankcase cover gasket x 1 -
Complete engine gasket set for Yamaha RD400 (1976-78) by Athena. Gasket set includes the following: Head gasket x 2 Base gasket x 2 Exhaust gaskets x 2 Right Crankcase cover gasket x 1 Oil pump cover gasket x 1 Clutch actuator cover gasket x 1 Points cover gasket x 1 Note: Does not include reed cage gaskets -
Barnett High Performance Kevlar Clutch Kit RD350 RD400 RD250 R5. Includes Kevlar friction plates, steel drive plates, and heavy duty springs. High performance clutch kit for the Yamaha RD350. -
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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) -
Clutch Holding Tool by Motion Pro. Made from medium carbon steel with hardened jaws to hold clutch hubs, flywheels, gears, sprockets, etc. Features 8mm spanner pins, Jaws open up to 5 inches wide, Recommended for square tooth style clutch hubs. -
Clutch Push Rod - Yamaha RD250/350/400/R5/DS7. Choose model and click add to cart. RD250/350/400/R5/DS7
RD400
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Clutch Push Rod Ball - All RD's, R5, DS6/7 -
Crankcase Breather - Yamaha RD250/350/400/R5/RZ350. Orignial Yamaha OEM part no. 583-15371-00-00 -
Crankcase Breather - Yamaha RD250/350/400/R5/RZ350. Reproduction part replaces Yamaha part no. 583-15371-00-00 -
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. -
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. -
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. -
EBC Heavy Duty Clutch Spring Kit for Yamaha RD250/RD350/R5/DS7. Set of 6 springs. -
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. -
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 -
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 -
Fuel/Vent/Oil Line 1/8" id x 5' - Clear or Black. Polyurethene line can be used for fuel, oil or vent line. Sold in 1/8" (id)diameter x 5 feet, in clear or black. Does not harden or crack. Choose color and click add to cart. -
2 Stroke Oil Injector Nozzle - RD250/350/400 (carb oil injector nozzle). Economy Cycle reproduction item, no longer available from Yamaha. Sold each. -
***Note: We cannot ship Lomas exhausts to Europe. To purchase Lomas pipes for Europe, please visit JL-exhausts.com***
JL (Jim Lomas) Expansion Chambers - Yamaha R5/RD350/76-77 RD400. Simply put, JL chambers are the best pipes available for your air cooled RD or R5. Available in mild steel or stainless steel with stainless or carbon fiber silencers. Excellent performance across the rev range and high quality craftsmanship, you won't be disappointed!
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Kickstand Relocation Kit by HVC - for bikes with modified exhuast/expansion chambers. Our kit accomplishes two things. It allows the stock side stand to be used with aftermarket exhaust and it takes out that terrible lean angle of the bike when it is resting on the side stand. This kit will work with any after market exhaust using your existing side stand on the following motorcycles:- Yamaha DS7/R5
- Yamaha RD250/RD350
- Yamaha RD400
- Yamaha RD400F
- Our steel bracket that has black oxide coating to prevent rusting
- A longer spring that is designed and manufactured just for this kit
- Hardware and a drill bit
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Labyrinth Seal RD250/350/400/R5/DS7 (all years) OEM quality reproduction seal. Original part (278-11515-00-00) no longer available from Yamaha. Measures 62mm o.d. x 30mm i.d. x 18mm width. Sold each. -
ThreeBond Liquid Gasket TB1184 - Great for sealing engine cases!
- A synthetic rubber, visco-elastic sealer that is semi-drying
- Applications include sealing transmission case covers, motorcycle cases, timing chain cases, side covers, 2-piece cylinders, clutch housing bolts and oil filter mounting surfaces
- Excellent resistance to water, oil, gasoline and chemicals; temperature range -40°C to 150°C
- Available in 3.4-ounce net wt. tubes
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Lomas SS Exhaust Springs for RD/RZ (sold in pairs) -
Magnetic Oil Drain Plug for RD's/R5/DS7/RZ350. Also fits most Yamaha motorcycle from the 60's through the mid 80's. Magnetic oil drain plug collects metal particles and debris protecting your engine from damage. Includes washer. -
Engine Oil Seal Kit for Yamaha R5/DS7. High quality seal kit, includes all seals for bottom end. By Mocom, high quality aftermarket seals. This kit includes includes 7 seals. (click on the picture for seal identification)- Countershaft Sprocket Seal
- Crankshaft RH
- Crankshaft LH
- Kickstarter Shaft
- Shift Shaft (crankcase)
- Clutch Push Rod
- Oil Pump Note: Shifter fork shaft plugs (2 required) are not included in this kit but are available separately here on the site in the seals category.
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Engine Oil Seal Kit for Yamaha RD400/350/250. High quality seal kit, includes all seals for bottom end. By Mocom, high quality aftermarket seals. This kit includes includes 8 seals. (click on the picture for seal identification)- Countershaft Sprocket Seal
- Crankshaft RH
- Crankshaft LH
- Kickstarter Shaft
- Shift Shaft (crankcase)
- Shift Shaft (outer cover)
- Clutch Push Rod
- Oil Pump Note: Shifter fork shaft plugs and the special O-ring crank seal are not included in this kit but are available separately here on the site in the seals category.
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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. -
Neutral Switch Wire Grommet. Reproduction part, no longer available from Yamaha. Sold each. -
Oil Drain Plug Gasket - RD250/350/400/R5/DS7. Aftermarket part, thick fiber gasket similar to OEM but at a reasonable price. Sold each, or packs of 5 or 10. -
Oil lines grommet. Reproduction part no longer available from Yamaha. This part fits into the top of the engine cover and the oil feed/supply lines pass through it. Sold each. -
Yamaha RD350/400/250/R5/DS7 Oil Pump Grommet Blank. This is a solid plug with no openings for oil lines and is intended to be used on bikes that premix and do not use the oil pump or oil lines. -
Yamaha RD350/400/250/R5/DS7 Oil Pump Block Off Plate Kit. Kit includes:- CNC aluminum block off plate
- Yamaha oil pump gasket
- Replacement engine case grommet block (solid, no openings for oil lines)
- Stainless steel allen bolts and lock washers
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Oil Pump Housing Main Gaket - Yamaha RD350 RD400 RD250 R5 DS6/7 RZ350, sold each. -
Oil Pump Rebuild Kit RD250/350/400 R5/LC350/YDS6/7 & Most Yamaha Oil Pumps from the 60's,70's & 80's Comprehensive kit - includes seals, gaskets, and screws. Covers most vintage Yamaha Motorcycle Oil Pumps from the 60's,70's and 80's Includes the following seals: Main, Priming wheel, Shaft, Piston (includes 3 sizes) Indludes the following gaskets: Main Pump Body, Pump to Case, and Bleed screw Includes new proper JIS (Japanese Industrial Standard) screws for pump body and bleed screw Includes Economy Cycle Oil Pump Rebuild Guide Not Included: Plug for pumps without a priming wheel (later 400's & RZ350) These rarely need replacing, the rest of the kit will work with these type pumps Satisfaction guaranteed or your money back One year warranty against manufacturing defects
Call Us Today! 1 (224) 430-7971|customerservice@economycycle.com
