* Shown with a blue stock Zenoah water jacket. Seven colors available. Includes Walbro WT-644 carb. Upgrade to a WT-257 ($29.95) or a WT-813A ($39.95)
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• BZ1 Mild Mod:
Advanced exhaust timing, flow port exhaust, flow port intake, piston clearance mod & 2 oil groves cut into piston.
4.5HP@16,200 RPM.
$259.95
With Mounts & Collet
$339.95
With Mounts & Clutch/Collet
$479.95
Counter-Rotated with Mounts & Clutch/Collet
$649.95
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* Shown with a purple stock Zenoah water jacket. Seven colors available. Includes Walbro WT-644 carb. Upgrade to a WT-257 ($29.95) or a WT-813A ($39.95)
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• BZx2 Race Mod: Advanced exhaust timing, flow port exhaust, advanced intake timing, flow port intake, piston clearance mod, 2 oil groves cut into piston, port matched case/ jug.
5.2HP@16,500 RPM.
$359.95
With Mounts & Collet
$439.95
With Mounts & Clutch/Collet
$589.95
Counter-Rotated with Mounts & Clutch/Collet
$749.95 |
* Shown with a silver "Very Cool" water jacket. Seven colors available. Includes Walbro WT-257 carb. Upgrade to a WT-813A ($10.00) |
• BZx4 Ultra Mod: BZx2 mods plus: port matched intake manifold, lightened piston, increased intake volume in jug, mod flow direction, jug base machined for increased compression, zero drag seals, 257 carb, "Very Cool" Water Jacket & Velocity Stack. 5.5HP@16,800 RPM.
$545.95
With Mounts & Collet
$589.95
With Mounts & Clutch/Collet
$725.95
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Zenoah E-Z Starter
GR26099
$39.95 |
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Zenoah Race Performance Upgrade
Why settle for the ordinary? Upgrade your engine's performance with the premium NGK Iridium Spark Plug and Walbro WT-813A Carburetor, featuring a primer bulb and accelerator system!
*Please be aware that the Iridium plug height is 3/8" higher than stock spark plugs. Please plan accordingly.*
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BONZÍ "Very Cool"
Water Jacket
Designed for highly efficient cooling of both the Zenoah G231and G260PUM engines. Has BONZÍ exclusive anti-distortion blocks, stainless hardware and brass water fittings - everything that is needed for installation.
2 1/8" w x 2" l x 1 1/4" h
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$46.95
* Add one to your BZ1 or BZx2 mod for additional cooling. |
BONZÍ Carb
Velocity Stack
Attaches to the carburetor for improvement and increased airflow through the carb, making it easier to choke. Comes with two (2) 5 x 45mm stainless steel socket head cap screws for easy installation. Available in seven colors for added style within your engine compartment! |
$19.95
* Add one to your BZ1 or BZx2 mod for additional cooling.
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Walbro WT-257 Big Bore Carburetor
Features a larger intake volume over the stock WT-644 carb, providing more fuel and air, translating to more horsepower! Does not have a primer bulb. Ideal for racing.
Venturi bore diameter: 0.50" |
$44.95
* Upgrade your Zenoah engine today!
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Click to view differences
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Walbro WT-813A Big Bore Carburetor
Has a modified throttle shaft pre-installed for maximum compatibility. This is the carb recommended by Zenoah for upgrading your engine. Includes an internal acceleration pump to allow faster recovery as throttle increases.
Venturi bore diameter: 0.50" |
$54.95
* Upgrade your Zenoah engine today!
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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
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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. |
Zero Drag Seals
Click image to enlarge |
$19.95/pair |
Stainless Steel Hardware Package for Zenoah
(260, 231, QD25)
Upgrade your standard Zenoah engine washers/screws/etc. with our all-new stainless steel kit!
Click to view diagram |
$8.95
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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.* |
$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. |
$5.95 |
Have us modify your engine!
Send your engine to BONZÍ and we'll make it perform at a higher level! Add a BONZÍ "Very Cool" Water Jacket to either the BZ1 or BZx2 mod for only $46.95.
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• BZ1 Mild Modification |
$50.00 |
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• BZx2 Race Modification |
$150.00 |
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• BZx4 Ultra Modification |
$350.00 |
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| Recommended Configuration for Top Performance: Our modified engines will achieve top performance with our pipe systems. Specifically, the BZx4 Ultra Modified Zenoah G260PUM will achieve maximum performance with the BONZÍ Race Performance Pipe. At a minimum, a quality, dry, race type (tuned) pipe is essential for all modified engines. Optimum performance will also be affected by your header pipe. For example, the BONZÍ BZx4 modified Zenoah requires a much shorter pipe than a stock Zenoah engine. Be sure to follow the manufacturer’s recommended lengths for tuning for your particular pipe configuration. If you have questions,do not hesitate to ask. There is no question too big or too small for us to handle. |
Many factors will affect the performance of a modified engine. These include (but are not limited to): hull weight and type (cat, v bottom, hydro, outrigger, etc.), propellers, altitude, humidity, whether it is being run in salt or fresh water, as well your individual setup. Contact our tech support 24/7 via e-mail with any questions.
For a great deal, try the BONZÍ Power Package - which includes a Zenoah engine, Mounts, Collet, Clutch, Water Pump and choice of the Quiet Power Tuned Pipe or Performance Race Pipe Systems. Or opt for the package without Clutch & Water Pump if you prefer! Starting from only $440, this is an awesome deal!
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