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Zenoah Parts, Hardware & Accessories - the "Necessities" So this isn't about flashy-looking and souped-up engines. There aren't any stunning pictures
of our gorgeous custom-painted ready-to-run boats to wow you. Yet, what is on this page is probably the most important investment you can make. Don't take a chance with your boat and its engine. Stock up on replacement and spare Zenoah parts! From NGK spark plugs to Walbro carburetors and AMSOIL, we have everything you need for a great day at the lake!
  • Zenoah Cylinder (260)

    Cast aluminum cylinder combustion chamber for the Zenoah G260PUM engine.

    Zenoah Cylinder
    G260PUM Cylinder
    T2076-12110
    Zenoah Cylinder
    $44.95
    Zenoah Piston (260)

    Round aluminum cylinder that travels up and down in the cylinder for the Zenoah G260PUM engine.

    Zenoah Piston
    G260PUM Piston
    T2088-41110
    Piston

    $18.95
    Zenoah Piston Ring (260)

    Adjustable split metal ring that fits around a piston and seals the gap between the piston and the cylinder wall for the Zenoah G260PUM engine.

    Zenoah Piston Ring
    G260PUM Piston Ring
    T2088-41210
    Piston Ring
    $5.95
    Not sure of the difference between the Zenoah G231PUM and G260PUM pistons?    Click to find out
    Zenoah Cylinder
    (231)

    Cast aluminum cylinder combustion chamber for the Zenoah G231PUM engine.

    Zenoah Cylinder
    G231PUM Cylinder
    T2078-12110
    Zenoah 231 Cylinder
    $44.95
    Zenoah Piston
    (231)

    Round aluminum cylinder that travels up and down in the cylinder for the Zenoah G231PUM engine.

    Zenoah Piston
    G231PUM Piston
    T2070-41110
    Piston

    $18.95
    Zenoah Piston Ring (231)

    Adjustable split metal ring that fits around a piston and seals the gap between the piston and the cylinder wall for the Zenoah G231PUM engine.

    Zenoah Piston Ring
    G231PUM Piston Ring
    T2070-41210
    Piston Ring
    $5.95
    Zenoah Grey Ignition Coil (260, 231, QD25)

    Includes coil, plug cap & spring. Takes the electronic pulses created by the red source coil and produces power to drive the spark plug, allowing ignition

    Zenoah Grey Ignition Coil
    Grey Ignition Coil
    Z2629-71311
    Grey Ignition Coil
    $44.95
    Zenoah Red Source Coil
    (260, 231, QD25)

    Creates electric energy from a magnetic pickup located on the flywheel

    Zenoah Red Source Coil
    Red Source Coil
    Z1160-71211
    Red Source Coil
    $54.95
    Zenoah Plug Cap
    (260, 231, QD25)

    This covers the plug wire and spring from the Grey Ignition Coil - creates a air-tight connection over the spark plug

    Zenoah Plug Cap
    Plug Cap
    T2075-72210
    Zenoah Plug Cap
    $3.99
    Zenoah Spring
    (260, G231, QD25)

    This connects to the spark plug wire from the Grey Ignition Coil to give positive connection to the spark plug

    Zenoah Spring
    Spring
    Z1400-72121
    Zenoah Spring
    $0.99
    Zenoah Funnel (260/231 Velocity Stack)

    On the stock WT-644, it helps maintain an even flow of air and fuel into the carburetor. Includes funnel, 2 bolts & 2 washers for easy installation

    Zenoah Funnel (Velocity Stack)
    Funnel
    T2075-82110
    Zenoah Funnel (Velocity Stack)
    $8.95
    Zenoah Snap Ring ("C" Clip) (260, 231, QD25)

    This small clip retains the wrist pin in the piston

    Zenoah Snap ring
    Snap Ring
    Z1260-41320
    Snap Ring
    $0.49
    Zenoah Canister Exhaust Muffler
    (260, 231)

    Made from steel, this is a basic baffle-type muffler - both quiet and economical

    Zenoah Canister Exhaust Muffler
    Canister Exhaust Muffler
    T2070-15110
    Zenoah Canister Exhaust Muffler
    $39.95
    Zenoah Stock Water Jacket (260, 231)

    Quality aluminum standard cooling jacket - includes brass fittings. Available in your choice of seven anodized colors.

    Stock Zenoah water jacket/cooling head
    Stock Water Jacket
    T2076-12210
    Stock Water Jacket
    $32.95
    Zenoah - Large "O" Ring for Water Jacket
    (260, 231)

    Large "O" ring that works in either stock or "Very Cool" Water Jackets for Zenoah water-cooled engines.

    Large O Ring - Water Jacket
    Large "O" Ring
    BZ2032L
    Large O Ring - for water jackets
    $2.50
    Zenoah - Small "O" Ring for Water Jacket
    (260, 231)

    Small "O" ring that works in either stock or "Very Cool" Water Jackets for Zenoah water-cooled engines.

    Small O Ring - Water Jacket
    Large "O" Ring
    BZ2032S
    Small O Ring - for water jackets
    $1.95
    BONZÍ "Very Cool" Water Jacket (260, 231)

    Designed for highly efficient cooling of the Zenoah G231 and G260PUM engines. Has BONZÍ exclusive anti-distortion blocks, stainless steel hardware and brass water fittings.

    Bonzi' Very Cool Water Jacket/cooling head
    BONZÍ "Very Cool"
    Water Jacket
    BZ2032
    Very Cool Water Jacket
    $46.95
    Zenoah Lower Crank Case Set (260, 231)

    An original cast aluminum lower case set - sold with seals, bolts and gaskets. Bearings (pair) optional

    Zenoah Lower Case Set
    Lower Case Set
    T2075-21100
    Lower Case Set
    $32.95
    Gift Certificates
    Zenoah Crank Shaft (260, 231, QD25)

    A steel shaft with lobes and a pin which holds the connecting rod to the piston - transfers the power of the piston movement through a rotational force which supplies the engine's output.

    Zenoah G260PUM/G231PUM Crank shaft
    Crank Shaft
    T2075-42000
    Crank shaft - 260
    $48.95
    Zenoah Crank Shaft Bearings (2)
    (260, 231, QD25)

    Precision bearing race that supports the crank shaft inside the engine lower case halves. Sold as a pair.

    Zenoah Crankshaft bearing
    Crank Shaft Bearings
    Z1155-21240
    Crank shaft bearing
    $17.95
    Zenoah Crank Shaft Seal - Small, Front
    (260, 231, QD25)

    Precision bearing race that supports the crank shaft inside the engine lower case halves.

    Zenoah Crankshaft seal - small (front)
    Crank Shaft Seal - Small (Front)
    Z2169-21210
    Crank shaft bearing
    $4.95
    Zenoah Crank Shaft Seal - Large, Rear
    (260, 231, QD25)

    Precision bearing race that supports the crank shaft inside the engine lower case halves.

    Zenoah Crankshaft seal - large (rear)
    Crank Shaft Seal - Large (Rear)
    Z1850-21220
    Crank shaft bearing
    $5.95
    Zenoah Complete Crank Shaft (230RC)

    A steel shaft with lobes and a pin which holds the connecting rod to the piston - transfers the power of the piston movement through a rotational force which supplies the engine's output.

    Zenoah G230RC Crank shaft
    Crank Shaft - G230RC
    T2070-42000
    Crank shaft
    $48.95
    Zenoah Insulator Bolt M5X20 (260, 231)

    These bolts are used to mount the insulator block to the engine. (2 required)

    Zenoah Insulator Bolt
    Insulator Bolt
    3310-12281
    Zenoah Insulator Bolt M5X20
    $0.50/each
    Zenoah Insulator Block
    (260, 231, QD25)

    Goes between the carburetor and the engine. This is the part of the engine that is drilled and tapped for use with a clutch/water pump.

    *Using a water pump? Make sure to have us drill/tap this block for only $5! *

    Zenoah Insulator Block
    Insulator Block
    T1148-13162
    Insulator Block
    $9.95
    Zero Drag Seals (Pair)
    (260, 231, 230RC)

    Want a 300 RPM
    power boost?


    Precision-machined inserts press into the existing front and rear crankshaft seals. They reduce the drag that is created from the rubber seal which increase performance.

    zero drag seals
    Zero Drag Seals
     
    BZ2029


    $19.95/pair
    BONZÍ Throttle Cable Assembly(260, 231, QD25 {mod required})

    Flexible cable that connects the throttle servo in the radio box to the engine's carburetor, producing smooth throttle.

    14" standard, 18" long
    Specify for which carb

    Throttle Cable Assembly
    Throttle Cable Assembly
    Standard - BZ2020
    Throttle Cable Assembly - Standard
    Long - BZ2021
    Throttle Cable Assembly - Long
    *Specify if for QD25*

    Walbro WT-644 Carb
    (260, 231, QD25)

    Fits all Zenoah 23cc and 26cc engines (Car, airplane, boat, helicoptor, etc...) as well as other brands and size engines. Primer bulb allows for easy starting. Comes standard on G260/G231 engines

    Walbro WT-644 Carburetor for Zenoah engines
    Walbro WT-644 Carb
    BZ2168
    644 Carb
    $39.95

    12.7mm venturi
    Walbro WT-257 Big Bore Carb (260, 231, QD25)

    Features a larger intake volume over the stock 644 carb, providing more fuel & air, translating to more horsepower! Works on many other engines besides those listed as well

    Walbro WT-257 Big Bore Carburetor
    Walbro WT-257
    Big Bore Carb
     

    BZ2025
    WT-257 carb

    $44.95
    12.7mm venturi

    Walbro WT-813A Big Bore Carb
    (260, 231, QD25)

    Independent tunable high & low speed jets. Has an accelerator pump built-in & primer bulb. Most carbs have limited pumping pressure at 1/2 or full throttle. Has increased pumping pressure & smoother response.

    Walbro WT-813A Big Bore Carburetor for Zenoah Engines
    Walbro WT-813A
    Big Bore Carb
    BZ2038
    WT-813 Big Bore Carburetor - Buy now
    $54.95
    12.7mm venturi
    What are the starting settings for my carb?
    WT-644 - 1 1/2 turns High, 1 1/2 turns Low
    WT-603 - 1 1/2 turns High, 1 5/8 turns Low
    WT-257 - 1 turn High, 2 turns Low
    WT-488 - 1 1/8 turns High, 1 1/2 turns Low
    WT-813/A - 1 1/2 turns High, 1 1/2 turns Low

    Walbro Carburetor comparison
    Click to learn more

    Walbro Carb Rebuild Kit (260, 231, QD25)

    Everything you need to rebuild the Walbro carburetor. Includes all necessary gaskets, diaphragms, filters and other small pieces. Does not include needles.

    Walbro Carb rebuild kit
    Walbro Carb
    Rebuild Kit
    BZ2174
    Carb rebuild kit
    $9.95
    WARNING: Do not dis-assemble WT-813 or WT-813A carburetors.These Walbro carbs are equipped with an accelorator pump, which is actuated by a ballbearing check valve. This ball is located at the right side of the carb body when looking at the butterfly from the cylinder side. This carb is not designed to be reassembled.
    Dis-assembly will void any warranty.
    Zenoah Air Cleaner
    (G230RC, G260PUM)

    Includes bolts and spacers necessary for installation.

    Zenoah Air Cleaner
    Air Cleaner
    T2070-82000
    Zenoah Air Cleaner
    $19.95
    Piston Stop Tool
    (260, 231, QD25)

    Available in anodized colors, it is used to lock the piston in place - allowing you to loosen and tighten collet bolts and flywheels.

    Zenoah Piston Stop Tool
    Piston Stop Tool
    BZ2167
    Piston Stop Tool
    $19.95
    Zenoah Case Gasket
    (260, 231)

    Formed composite material that seals the lower two case halves (crank case).

    Zenoah Case Gasket
    Case Gasket
    T2075-21140
    Case Gasket
    $2.95
    Zenoah Carb Gasket
    (260, 231, QD25)

    Formed composite material that seals the carb and the insulator block

    Zenoah Carb Gasket
    Carb Gasket
    T2075-14120
    Carb gasket
    $1.95
    Zenoah Cylinder Base Gasket (260, 231)

    Formed composite material that seals between the bottom of the cylinder and the top of the cases

    Zenoah Cylinder base gasket
    Cylinder Base Gasket
    T2075-13120
    Cylinder base gasket
    $1.95
    Zenoah Exhaust Gasket
    (260, 231, QD25)

    Formed composite material that seals the case and the exhaust pipe

    Zenoah Exhaust Gasket
    Exhaust Gasket
    Z1140-13141
    Exhaust gasket
    $1.95
    Zenoah Insulator Gasket
    (260, 231, QD25)

    Formed composite material that seals between the insulator block and the cylinder

    Zenoah Insulator gasket
    Insulator Gasket
    T2075-13150
    Insulator gasket

    $1.95
    Zenoah Complete Gasket Set (260, 231)

    5-piece set includes carb gasket, cylinder base gasket, case gasket, exhaust gasket and insulator gasket

    Complete gasket set for Zenoah G231PUM or G260PUM
    Complete Gasket Set
    BZ2540
    Complete Gasket Set - Buy now
    $6.95
    Zenoah Wrist Pin
    (260, QD25)

    Pin that attaches one end of a connecting rod to the piston. Not for the G231PUM.

    Zenoah Wrist Pin - G260
    G260 Wrist Pin
    Z1600-41310
    Wrist Pin - G260
    $4.95
    Zenoah Wrist Pin Bearing
    (260, 231, QD25)

    Bearing race that supports the wrist pin in the center of the piston and the connecting rod

    Zenoah Wrist Pin Bearing
    Wrist Pin Bearing
    Z5500-41410
    Wrist Pin Bearing

    $5.95
    Zenoah Wrist Pin Bearing Washer
    (260, 231, QD25)

    Cap-type washer that is placed on each end of the wrist pin bearing as a spacer

    Zenoah Wrist Pin Bearing Washer
    Wrist Pin Bearing Washer
    Z1101-41340
    Wrist Pin Bearing Washer
    $1.95
    Zenoah Wrist Pin
    (231)

    Pin that attaches one end of a connecting rod to the piston. Not for the G260PUM.

    Zenoah Wrist Pin - G260
    G231 Wrist Pin
    Z1101-41310
    Wrist Pin - G231
    $4.95
    Stainless Steel Hardware Package
    (260, 231, QD25)

    Upgrade your standard Zenoah engine washers/screws/etc. with our all-new stainless steel kit!
    Click to view diagram

    Stainless Steel Hardware Package for Zenoah
    Stainless Steel
    Hardware Package
    BZ2501

    Stainless Steel Hardware Package for Zenoah
    $8.95

    Amp up your HP with our Zenoah Engine Mods
    Champion RZ7C Spark Plug (260, 231, QD25)

    This is the standard reliable Champion brand spark plug that comes on our Zenoah marine engine line
    Champion Spark Plug RZ7C
    Champion RZ7C
    CHAMPRZ7C
    Champion Spark Plug
    $6.95
    NGK Iridium Spark Plug
    (260, 231, QD25)

    Zenoah-recommended for premium performance. Iridium is a precious metal that is 6 times harder and 8 times stronger than platinum!

    *Please be aware that the Iridium plug height is 3/8" higher than stock spark plugs. Please plan accordingly.*

    Champion Spark Plug RZ7C
    NGK Spark Plug
    NGKCR8HIX
    NGK Iridium Spark Plug
    $9.95
    NGK CMR7H Spark Plug (260, 231, QD25, 230RC)

    Insterted into the head of an internal combustion engine cylinder that ignites the fuel mixture by means of an electrode.

    Zenoah NGK Spark Plug
    NGK Spark Plug
    NGKCMR7H
    NGK Spark Plug
    $5.95
    Zenoah Recoil Ratchet (260, 231, QD25)

    Plastic piece is the replacable ring inside recoil assembly which engages onto the recoil pulley.

    Zenoah Recoil Ratchet
    Recoil Ratchet
    5990-75141
    Zenoah Recoil Ratchet
    $4.95
    Zenoah Recoil Assembly
    (260, 231, QD25)

    More commonly known as the pull starter, this is the piece that is used to fire up/start your Zenoah engine.

    Zenoah Recoil Assembly
    Recoil Assembly
    1861-75101
    Zenoah Recoil Assembly
    $29.95
    Zenoah Recoil Pulley
    (260, 231, QD25)

    This piece locks the flywheel in place and is the positive engagement connection for the recoil starter on your engine.

    Zenoah Recoil Pulley
    Recoil Pulley
    Z1160-75210
    Zenoah Recoil Pulley
    $5.95
    Zenoah Flywheel (Rotor) (260, 231, QD25)

    Functions as magnetic pickup for coil. Along with red source coil, creates energy to make the spark. It acts as a flywheel to help improve idle and smooths transitions between low and high.

    Zenoah Flywheel
    Flywheel Puller
    Z1155-71110
    Zenoah Flywheel
    $49.95
    Zenoah Flywheel Key
    (260, 231, QD25)

    This little piece locks the flywheel (rotor) to the crank shaft.

    Zenoah Flywheel Key
    Flywheel Puller
    Z1000-43240
    Zenoah Flywheel Key
    $3.95
    Zenoah Flywheel Puller
    (260, 231, QD25)

    Zenoah tool that was designed for easy removal of flywheel on Zenoah marine engines

    Zenoah Flywheel puller
    Flywheel Puller
    Z1490-96101
    Flywheel Puller
    $49.95
    AMSOIL Saber Professional 100:1 Synthetic 2-Cycle Oil

    This oil has excellent lubricity and cleanliness properties to control friction and prevent wear, plug fouling, ring sticking and exhaust port blocking.

    We recommend a 20:1 - 25:1 fuel/oil ratio/mixture.
    (5 - 6 ounces per gallon)

    AMSOIL 100:1 Premix Synthetic 2-cycle Oil
    BZ8A10
    AMSOIL Saber Professional 2-Cycle Oil
    $4.95
    BZ8011
    AMSOIL Saber Professional 2-Cycle Oil
    $9.95
    BZ8012
    AMSOIL Saber Professional 2-Cycle Oil
    $49.95
    Honda HP2 Oil

    16 oz. bottle of Honda HP2 oil - recommended for the Quickdraw high performance engine line. Premium synthetic base stocks with high film-strength give maximum wear-protection. The clean-burning formula minimizes carbon deposits and extends spark-plug life.

    Honda HP2 Oil (Synthetic)
    Honda HP2 Oil
    BZHP2
    HP2 Honda Oil
    $9.95
    BONZÍ Break-In Oil

    Just five (5) ounces of BONZÍBreak-In Oil to one gallon of gas allows for complete engine break-in. Developed with your Zenoah marine engine in mind.

    (1) 10 oz. bottle
    Use for 2 complete break-ins.


    We STRONGLY RECOMMEND for your new Zenoah engine!

    Bonzi' Break-In Oil for Zenoah engines
    BONZÍ Break-In Oil
    BZBIO
    Bonzi' Break-In Oil
    $9.95
    What customers are sayingBONZI modifies and repairs Zenoah engines
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