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  • Select options This product has multiple variants. The options may be chosen on the product page / Details
    JIS Cross Head Bits (like Phillips but Japanese Industrial Standard for Japanese Motorcycles) - 1/4" standard shank works in most screwdrivers with interchangeable bits. Vintage japanese bolts are like butter to begin with and get buggered up over the years from using a standard phillps bit which doesn't fill the cross head bolt/screws properaly and often need replacing. Available in sizes #1,#2,#3
  • Kenda Inner Tubes for RD250/350/400/RZ/LC350 Front. Standard inner tube, straight valve, double nut, rubber compound.
  • Kenda Inner Tubes for RD250/350/400/RZ/LC350 Rear. Standard inner tube, straight valve, double nut, rubber compound.
  • 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
    Kit includes:
    • 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
    Installation of the side stand kit will require the basic hand tools, a drill and either a pair of vice grips or a spring installation tool (recommended). Note: This item is not eligible for discount    
  • Kill Switch - Open type for Vape/MZB/Powerdynamo ignitions running no battery. Momentary type kill switch, kills engine when button is pressed. Includes 24" wire. Handlebar tupe mount.
  • Out of stock
    KREEM Tank Liner works great on any old and rusty tank.
  • 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.
  • Labyrinth Seal RZ350/LC350/Banshee (all years) OEM quality reproduction seal. Original part no longer available from Yamaha. Sold each.
  • Lazer Grips - Soft Rubber - Value Priced. Super soft rubber compound for a comfortable secure grip. 7/8 bars.
  • Sale!

    LED Headlight Bulb with Fan for RD’s – H4 type, Compact, fits in the RD headlight bucket

    Original price was: $52.50.Current price is: $48.50.
    LED Headlight Bulb with Fan for RD's. There's not much clearance in the RD headlight buckets due to all the wires and makes fitting most LED ligths with fans difficult. And without the fan you can't get very bright lights. This compact H4 LED bulb and fan assembly fits nicely in the bucket and at 3,800 lumens is very bright. Note: This bulb is a replaceable H4 type. The original RD headlight was a sealed beam H4 type and the bulb was not replaceable. This bulb is primarly inteneded for use with an aftermarket headlight lens/bulb assembly.
    • 3800 Lumens / 1 Amp draw
    • Ultra white color
    • Built in auto fan
    • Installs in minutes - Plug and Play, this compact bulb assembly fits in the RD headlight bucket
    • Lifetime warranty
     
  • LED Instrument Dash Light Bulb Speedo/Tach RD(all) R5 Bright White - 4watt/12V. Sold Each. Note: RD250/350 uses 9x of these, RD400 uses 8x. Replaces Yamaha OEM 123-83516-21-00 Need new sockets / harness? see here Instrument Light Socket    
  • Dual Load LED Equalizer. Allows LED turn signals to operate in place of stock incandescent bulb turn signals without replacing the flasher module. Will flash at correct rate. Easy installation, simply splice into existing turn signal system.
  • LED Tail light - Tail, Brake & License Plate Functions. Super compact, modern design. 6 ultra bright LED tail lights and 9 mini LED license plate lights. Measures 4" wide x 1.25" high x 1.5" deep.
  • LED Tail light Bulb - Clear, Sold Each. Dual Function Brake/Tail light. 12V bulb produces a bright LED glow. Replaces standard 1157-style bulb. 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
  • Lomas Exhaust Gasket for Silencer, sold each.
  • Lomas Exhaust O-rin, sold each
  • Out of stock
    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. M14 x 1.5 (pitch) x 15mm long (threaded portion of bolt and magnetic tip).  
  • Main Jet Washer by Mikuni for VM24-28mm carburetors. Sold each. This washer seats under the main jet (on bottom of needle jet).
  • 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.
  • Master Cylinder Snap Ring Pliers. Allows removal of internal snap rings used in hydraulic master cylinders. Can be used to remove and replace small to medium internal snap rings up to 50mm deep. Applicable to some fork seal retaining rings. By Motion Pro, leaders in motorcycle specific tools.
  • Master Links - Multiple pitch sizes / styles (Sold each). High quality master links OEM quality.  Please contact us prior to or after placing your order if you require a master link. It is important to get the correct size/pitch and specific manufacturer when replacing master links. 
  • Maxima 100% SYNTHETIC CHAIN LUBE - Clean, clear synthetic based formula contains the latest in antiwear, extreme-pressure and friction-reducing additives. Rust and corrosion protection, extended chain and sprocket life, won’t fling-off . Safe for all O-ring chains. Contains no CFCs.
  • Maxima Chain Wax - Revolutionary Parafilm™ formula; spray it on and let it dry. Doesn’t fling off. Sprays on wet, dries to waxy film and seals the lubricant to your chain. Non-gooey finish keeps dirt, sand and grit from sticking to freshly lubed chains. Translates into longer chain life and reduced sprocket wear.
  • General Purpose Mechanics Gloves, Lycra insert panels between fingers. Snug, form-fitting two way stretch spandex construction. Machine washable, Durable, Breathable synthetic leather palm. Reinforced synthetic leather thumb and fingertips. Smooth surface thumb and index finger contact points. Easy on, elastic cuff, Super Economy Price!
  • Select options This product has multiple variants. The options may be chosen on the product page / Details

    Metal Quick Disconnect Fuel Coupling – Dual Shutoff in 3/16, 1/4″ or 5/16″

    Price range: $146.95 through $188.95
    Metal Quick Disconnect Fuel Coupling with dual shutoff in 3/16", 1/4" or 5/16". When connected fuel will flow & when disconnected fuel will not flow from either side. Use Dual shut-off for fuel tanks equipped with a cross-over line. Feature stainless springs, pin, and latch. These quick disconnect fittings utilize Viton o-rings and may not be compatible with some race fuels. Choose size and click add to cart.  
  • Mikuni 24mm TM Flat Slide Carburetor. Square type slide carburetors have increased air flow metering at low engine speeds and the smooth bore design reduces turbulence in the carburetor throat for better response and power delivery throughout the rev range. TM Series bodies are designed to accept Power Jet Kits, which prevent leaning out in 2 strokes during extended full throttle running. Provisions to include Power Jet on 38mm, but power jet can be added to any size flat slide 30mm and above with some modification. Click on picture for larger pictures and jetting specs.
  • Mikuni 28mm TM Flat Slide Carburetor. Square type slide carburetors have increased air flow metering at low engine speeds and the smooth bore design reduces turbulence in the carburetor throat for better response and power delivery throughout the rev range. TM Series bodies are designed to accept Power Jet Kits, which prevent leaning out in 2 strokes during extended full throttle running. Provisions to include Power Jet on 38mm, but power jet can be added to any size flat slide 30mm and above with some modification. Click on picture for larger pictures and jetting specs.
  • Mikuni 34mm TM Flat Slide Carburetor. Square type slide carburetors have increased air flow metering at low engine speeds and the smooth bore design reduces turbulence in the carburetor throat for better response and power delivery throughout the rev range. TM Series bodies are designed to accept Power Jet Kits, which prevent leaning out in 2 strokes during extended full throttle running. Provisions to include Power Jet on 38mm, but power jet can be added to any size flat slide 30mm and above with some modification. Click on picture for larger pictures and jetting specs.
  • Mikuni 36mm TM Flat Slide Carburetor. Square type slide carburetors have increased air flow metering at low engine speeds and the smooth bore design reduces turbulence in the carburetor throat for better response and power delivery throughout the rev range. TM Series bodies are designed to accept Power Jet Kits, which prevent leaning out in 2 strokes during extended full throttle running. Provisions to include Power Jet on 38mm, but power jet can be added to any size flat slide 30mm and above with some modification. Click on picture for larger pictures and jetting specs.
  • Mikuni 38mm TM Flat Slide Carburetor. Square type slide carburetors have increased air flow metering at low engine speeds and the smooth bore design reduces turbulence in the carburetor throat for better response and power delivery throughout the rev range. TM Series bodies are designed to accept Power Jet Kits, which prevent leaning out in 2 strokes during extended full throttle running. Provisions to include Power Jet on 38mm, but power jet can be added to any size flat slide 30mm and above with some modification. Click on picture for larger pictures and jetting specs.
  • Select options This product has multiple variants. The options may be chosen on the product page / Details
    Genuine Mikuni Air Jets - Choose size and quantity, then click add to cart
  • Mikuni Carburetor Float Kawasaki H2/750 (all years). Sold each. Fits the following models: H2 A/B/C 750 H1 D/E/F- 500 KH500A8 A7-350 Avenger F11/A/B-250 73-75 F21M 238 Greenstreak F4250 KE250B1/B2/B3
  • A handy pocket-size slide calculator which can be used to determine required jetting changes in Mikuni Carburetors due to climate and temperature changes. The Pocket Tuner is applicable to both single and multi-carburetor applications on two-stroke and four-stroke engines. It also has a guide for determining rich or lean carburetor conditions.
  • Out of stock
    Mikuni Carburetor Tuning Manual. Includes complete parts list, functions, maintenance, troubleshooting and parts selection for Mikuni carburetors.
  • Select options This product has multiple variants. The options may be chosen on the product page / Details
    Genuine Mikuni Jet Needles.  Choose needle number and quantity, then click add to cart
  • Select options This product has multiple variants. The options may be chosen on the product page / Details
    Genunin Mikuni Needle Jet Bleed Type, choose needle number and quanity, then click add to cart
  • Select options This product has multiple variants. The options may be chosen on the product page / Details
    Genuine Mikuni Needle Jets Primary type, choose needle number and quantity, the click add to cart
  • Genuine Mikuni Needle Valve Assembly for R5/DS6/DS7. Includes float needle, seat & washer. Metal tip float needle.
  • Select options This product has multiple variants. The options may be chosen on the product page / Details
    Genuine Mikuni Pilot Jets for the RZ350 (M28/1001). Choose Size, quantity and click add to cart.
  • Mikuni Vent Tube Anchor Plate - This part attaches to the float bowl screws and holds the vent line. 2 Required per carb.
  • Genuine Mikuni Viton Tip Needle Valve Assembly for RD250/350/400/R5/DS7 & all VM(24-30mm) Carb. Includes Viton tip float needle, float valve seat, does not include washer, available separately. Sold each.
  • Mikuni VM - Air Jet (tap and die) - Convert your pressed in VM air jet to removable type. This kit is also good for chasing/repairing pilot jet thread.
  • Mikuni Choke Lever Conversion Kit. For Mikuni VM Carburetors, converts choke from lever style to cable. Cable not included. Order 1 per carb. Mikuni part VMCK/FMK-412
  • Select options This product has multiple variants. The options may be chosen on the product page / Details
    Genuine Mikuni Pilot Jets for VM, TM & TMX carbs. Sold each. Choose jet size than quantity, then click add to cart 
  • Mikuni VM Round Slide Series 28mm Carburetor. These are the most popular high performance single carburetors in the sport of motorcycling. Mikuni's VM Series round slide single carburetors have proven themselves as the performance standard for use in any single cylinder motorcycle and ATV applications for motocross, enduro and trail riding, to flat track racing and road racing on both 2-stroke and 4-stroke engines. Performance features for the VM Series Carburetors include a large selection of bore sizes for increased fuel mixture flow to match engine modifications. And the VM Series offers a wide range of tuning components to allow precise fuel mixture metering in any application, at any throttle setting, under any riding conditions. Click on picture for larger picture and jetting specs. Note: This carb is the way it comes from Mikuni, not jetted for RD's, no oil injection, mikuni makes these for single cylinder dirt bikes and is the left hand version of the carbs. If you need bolt on carbs for your rd see here VM28 Carburetors for the RD's
  • Mikuni VM Round Slide Series 30mm Carburetor. These are the most popular high performance single carburetors in the sport of motorcycling. Mikuni's VM Series round slide single carburetors have proven themselves as the performance standard for use in any single cylinder motorcycle and ATV applications for motocross, enduro and trail riding, to flat track racing and road racing on both 2-stroke and 4-stroke engines. Performance features for the VM Series Carburetors include a large selection of bore sizes for increased fuel mixture flow to match engine modifications. And the VM Series offers a wide range of tuning components to allow precise fuel mixture metering in any application, at any throttle setting, under any riding conditions. Click on picture for larger picture and jetting specs.
  • Mikuni VM Round Slide Series 34mm Carburetor. These are the most popular high performance single carburetors in the sport of motorcycling. Mikuni's VM Series round slide single carburetors have proven themselves as the performance standard for use in any single cylinder motorcycle and ATV applications for motocross, enduro and trail riding, to flat track racing and road racing on both 2-stroke and 4-stroke engines. Performance features for the VM Series Carburetors include a large selection of bore sizes for increased fuel mixture flow to match engine modifications. And the VM Series offers a wide range of tuning components to allow precise fuel mixture metering in any application, at any throttle setting, under any riding conditions. Click on picture for larger picture and jetting specs.
  • Mikuni VM Round Slide Series 36mm Carburetor. These are the most popular high performance single carburetors in the sport of motorcycling. Mikuni's VM Series round slide single carburetors have proven themselves as the performance standard for use in any single cylinder motorcycle and ATV applications for motocross, enduro and trail riding, to flat track racing and road racing on both 2-stroke and 4-stroke engines. Performance features for the VM Series Carburetors include a large selection of bore sizes for increased fuel mixture flow to match engine modifications. And the VM Series offers a wide range of tuning components to allow precise fuel mixture metering in any application, at any throttle setting, under any riding conditions. Click on picture for larger picture and jetting specs.
  • Mikuni VM Round Slide Series 38mm Carburetor. These are the most popular high performance single carburetors in the sport of motorcycling. Mikuni's VM Series round slide single carburetors have proven themselves as the performance standard for use in any single cylinder motorcycle and ATV applications for motocross, enduro and trail riding, to flat track racing and road racing on both 2-stroke and 4-stroke engines. Performance features for the VM Series Carburetors include a large selection of bore sizes for increased fuel mixture flow to match engine modifications. And the VM Series offers a wide range of tuning components to allow precise fuel mixture metering in any application, at any throttle setting, under any riding conditions. Click on picture for larger picture and jetting specs.
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