Banshee 392cc Athena 68mm Big Bore Engine Rebuild Kit (Stock Crank) - Dune Goons

$3,770.00

Shipping calculated at checkout.

Add Modquad Cool Head and 22cc pump gas domes?

Yes I'll do the Cool head upgrade please

No the Athena Head will work great with this setup

Add V-Force 4 Reed Valves?

Yes I need to get Valves too please

No I already have a good upgraded valve to go with this setup.

Yamaha Banshee 68 mm Big Bore Complete Engine Rebuild Kit – Athena & Hot Rods

Name: Banshee 392cc Athena 68mm Big Bore Engine Rebuild Kit (Stock Crank)
Brand: Dune Goons @ WPS
SKU: 284383227009
Price: 3770.0 CAD
Availability: InStock

Unleash legendary Banshee power with this complete top and bottom end rebuild kit, combining the precision of Athena’s 68 mm Big Bore Cylinder Kit with the proven durability of Hot Rods’ Bottom End Kit.
This all-in-one package delivers everything needed for a full performance rebuild — from crankshaft to cylinders — giving your twin-cylinder 350 the torque, throttle response, and reliability it deserves.

No need to piece together components — this complete setup ensures proper fitment, matched compression, and OEM-level gasket sealing right out of the box.

✅ What’s Included

Athena 68 mm Big Bore Top End Kit (P400485100024)

Aluminum cylinders with nickel-carbide plating
Billet aluminum head with removable bronze domes
(2) 68 mm cast-lite flat-top piston kits (rings, pins, clips)
High-performance hard-anodized power valves (non-OEM design)
Top-end gasket set with all seals and hardware

Hot Rods Bottom End Kit (CBK0039)

Complete assembled crankshaft
Main bearings and crank seals
Full bottom-end gasket set for complete rebuild coverage
Ready to install – no case machining required

📦 Fitment

Yamaha Banshee YFZ350 (1987–2006)
Direct bolt-on kit for all years and editions
Works with stock or aftermarket carbs, reeds, and exhausts
No case boring required

🛡️ Warranty Info

Athena: 1-year limited warranty against manufacturing defects
Hot Rods: 1-year limited warranty on crankshaft assembly and bearings
Professional installation recommended.

🔑 Key Features

Complete top & bottom rebuild – everything from crank to head
Genuine Athena & Hot Rods performance components
68 mm big bore delivers stronger mid-range and peak power
High-flow power valves and precision-fit pistons
OEM-quality gaskets for long-term sealing integrity
Perfect base for mild trail or full dune-race builds

💲 Price & SKU

Retail Price: $1,890.90
SKU: BANSHEE-ATHENA-68BB-FULL
Estimated Shipping Weight: 28 lbs

Ships next business day from our U.S. warehouse.

📦 Shipping Information

In-Stock Items:
- Most parts ship next business day
- Modquad parts: Monday–Thursday dispatch

Made-to-Order Items:
- Custom swingarms & A-arms: 2–4 weeks
- EVP exhaust systems: 2–4 weeks
- Sneakers: 1–2 weeks

Stock Guarantee: Items marked "In Stock" ship immediately. Made-to-order items are built fresh for you.

Questions? Contact us—we respond within 24 hours.

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Banshee 392cc Athena 68mm Big Bore Engine Rebuild Kit (Stock Crank)

Yamaha Banshee 68 mm Big Bore Complete Engine Rebuild Kit – Athena & Hot Rods

✅ What’s Included

📦 Fitment

🛡️ Warranty Info

🔑 Key Features

💲 Price & SKU

Customer Reviews

Dune Goons Clothing

Dune Goons children's clothing in any color and any size with any logo. Just contact us for custom orders. We love people that wear Dune Goons!

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