The Best Parts • The Best Performance • The Best Price

Banshee 421 Serval Cub Complete Motor Engine Top Bottom Assembly Pipes Carbs Kit

FITS ALL YAMAHA BANSHEE MODELS AND YEARS!!

RIGHT NOW CPI IS VERY VERY FAR BEHIND MACHINING ALL CUB AND SERVAL CYLINDERS. THIS MEANS A WAIT TIME OF 2-3 MONTHS FOR THE CYLINDER. WE CAN SHIP EVERYTHING ELSE RIGHT AWAY IF YOU WANT. IF YOU NEED YOUR KIT BY A CERTAIN DATE PLEASE CALL US BEFORE ORDERING

421cc (68mm x 58mm) CPI Cub cylinder

Wiseco 573 series pro lite piston kits

Cool Head with pump gas domes, studs, and o-rings

Hotrods +4mm crank

TZ and Maxload outer crank bearings

big bore in frame exhaust pipes

35mm PWK carbs

Billet intake manifold with boots

K&N style pod filters

Filter outerwears

Throttle cable

Wrist pin bearings

One piece Cheetah Cub base gasket

Stud extenders

Water Jacket plugs

Complete gasket kit

Complete seal kit

Billet clutch basket

Cutch kit - fibers steels springs

Clutch pusher with pancake bearing

Billet water pump impeller with bearing

V-Force 4 reeds

NGK spark plugs

This kit uses a +4mm (115mm rod) stroker crank. Everything is brand new. No case machining required. Original manufacturer's warranty applies*.

WE ARE AN AUTHORIZED CP INDUSTRIES DISTRIBUTOR AND WE STOCK MORE CHEETAH CUB CYLINDERS AND PARTS THAN ANYONE ON EBAY!

Banshees are one of our specialties so contact us for all your Banshee needs!

BPRATV - The Best Parts. The Best Performance. The Best Price.

BRAPPPPPPPPPP!

1-year limited warranty from the manufacturer for material or workmanship defects.*

Due to the nature of high performance and racing applications, BPRATV LLC components are sold without express warranty or any implied warranty of merchantability or fitness for a specific purpose. BPRATV LLC shall not, under any circumstances, be liable for any specific, incidental or consequential damages, including, but not limited to, damage, or loss of property or equipment, loss of profits or revenue(s), cost of purchased or replacement goods, or claims of customers of the purpose, which may arise and/or shall result from sale, installation or use of these parts. Installation of these parts may void vehicle manufacturers warranty coverage and/or may cause the vehicle to be illegal in some locations.

Photos Are For Example Only Images show product quality, components, and visual reference. Exact parts, brands, finishes, quantities, or packaging may vary by kit. Please read the full product description for exact details before purchasing.

Complete Your Build

Related parts, upgrades, and performance accessories frequently purchased by riders like you.

BPRATV Performance Standard

Built around proven parts, real-world support, and the performance-focused service riders expect from BPRATV.

Performance Parts Specialists

USA Based Company
Worldwide Shipping

Technical Support Available

Trusted by Riders

Professional Installation Required

Professional installation by a qualified technician is recommended for best results.

If you have questions about this item or your order, our customer support team is always happy to help.

BPRATV: Over 20 Years of Excellence in Parts & Service

Upland, CA | Monday - Friday, 7 am - 4 pm PST

We ship worldwide Monday through Friday | ¡Hablamos Español!

Notice Regarding Photos: Product photos used in our listings are for example only to show item quality, components, and visual reference. You will receive the correct quantity, size, and fitment for the specific kit listed. Exact brands, finishes, packaging, or small components may vary when equivalent-quality parts are used. Please read the full product description for exact details before purchasing.

Bearing Notice: In some cases, you may receive sealed bearings. If your application requires an open bearing, the seals can be removed when appropriate for the application.

Emissions & Race Use Only: Some products may be exempt from emission standards and requirements under 40 C.F.R. § 1051.620 and/or applicable California law. Certain parts are sold only for use with EPA-certified, purpose-built, nonroad vehicles used solely for closed-course, nonroad competition/racing. Installation may void the vehicle manufacturer's warranty and/or may be illegal in some locations. Buyer is responsible for confirming legal use in their application and location.

Warranty & Liability: Due to the nature of high-performance and racing applications, components may be sold without express or implied warranty of merchantability or fitness for a specific purpose except where specifically stated. BPRATV LLC shall not be liable for special, incidental, or consequential damages including loss of property, equipment, profits, or revenue resulting from sale, installation, or use of these parts. High-performance parts are not DIY items; work should be performed by a qualified, experienced mechanic.

Returns: Returns are accepted within 30 days for eligible items that are 100% complete, brand new, unused, uninstalled, and in original packaging. Items that have been installed, prepped, lubricated, sealed, modified, or used are not eligible. For warranty consideration, parts must be sent back for physical inspection. We do not warranty based on photos, emails, or third-party assessments.

Specialty Warranties: Certain specialty items, such as Cub cylinders or titanium fasteners, may have separate warranty terms. Any warranty does not cover improper tuning, installation, maintenance, or misuse.

Interchangeable Parts: Some kits may include interchangeable components or equivalent-quality substitutions to prevent backorder delays. Prices, included items, and listings are subject to change without notice.

Customer Satisfaction: If you experience any issue with your order, please contact us through eBay Messages before leaving feedback. Our team is committed to resolving any concerns quickly and professionally.