Moto Tassinari VForce4 Reed Valve System - Yamaha Banshee YFZ350 1987-2006 (Complete Pair, Both Cylinders)
- Ships next business day
- 30-day hassle-free returns
- Call us: 541-668-7503
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✅ COMPLETE PAIR INCLUDED: This kit contains BOTH reed cages needed for your Banshee twin (left and right cylinder). You do NOT need to order two of these. One kit = full installation, ready to bolt in.
✓ Fits:
- 1987-2006 Yamaha Banshee YFZ350 (all years, full production run)
- Compatible with both J-arm (1987-1990) and A-arm (1991-2006) chassis
- Direct bolt-in upgrade for stock reed cages
- Position: Reed cage / intake (both cylinders)
✓ Why VForce4 is the upgrade every Banshee deserves:
- Significant horsepower and torque gains across the entire RPM range
- Crisper throttle response - especially noticeable off the bottom and through the mid-range
- Better fuel atomization for cleaner burn and more consistent power
- Bolt-in installation, no engine machining or major modifications required
- Works with stock or modified Banshees, runs from mild to wild builds
- Trusted by the dune and drag racing community for decades
✓ Features:
- Lightweight composite cage construction reduces reciprocating mass
- Carbon fiber reed petals for fast, consistent response and long fatigue life
- Multi-stage opening petals provide more flow at high RPM without sacrificing low-end
- Increased flow area over OEM Yamaha reed cages
- Complete pair - both cages included in one kit
- Built in the USA by Moto Tassinari
✓ What's Included (Complete Pair):
- Two (2) VForce4 reed cage assemblies - one for each cylinder of your Banshee twin
- Carbon fiber reed petals pre-installed in both cages
- Complete instructions
- Everything needed to fully convert both intakes - one kit does the entire bike
✓ Specs:
- Application: Yamaha Banshee YFZ350 1987-2006
- Quantity: Set of 2 reed cages (both cylinders)
- Cage Material: Composite
- Reed Material: Carbon Fiber
- Manufacturer Part Number: V4144-2
- Made in USA
Warranty: Warranty handled directly by Moto Tassinari. Contact (603) 298-6646 or visit https://store.mototassinari.com/warranty-request
Ships fast from DuneGoonShop - your Banshee specialists!
📦 Shipping Information
In-stock items ship next business day. ModQuad parts dispatch Monday through Thursday.
Made-to-order and custom powder coat items show their lead time at the top of this page, right next to the truck icon. These are built fresh for you, so timing varies by brand and current backlog.
Need something by a specific date? Call us at 541-668-7503 before ordering and we will check stock and ETA on that exact part. We can often point you to an in-stock alternative from another distributor.
Questions? Contact us, we respond within 24 hours.
