Duncan Racing Yamaha Banshee: The Ultimate Performance Upgrade Since 1977

When it comes to Duncan Racing Yamaha Banshee builds, there’s only one name that serious riders trust: Duncan Racing. For over 47 years we’ve been the world leader in 2-stroke ATV performance, designing and manufacturing Paul Turner Racing pipes right here in our shop. No other company matches our Banshee-specific expertise, proven race wins, or the sheer rideability we deliver.

Key Features:

– Model: Duncan Racing Yamaha Banshee

– Clean Title: Titled for easy ownership and registration.

– Full Restoration: Comprehensive restoration for enhanced reliability and performance.

– Duncan Racing Upgrades: High-quality performance parts enhance speed and handling.

– Iconic Styling: Classic Banshee design with restored finishes for a stunning look.

– High-Performance Engine: Powerful dual-cylinder engine for thrilling acceleration.

– Advanced Suspension: Optimized suspension for better control on various terrains.

– Durable Build Quality: Designed for rugged off-road use, ensuring longevity and durability.

– Versatile Usage: Perfect for both trail riding and racing enthusiasts.

Why Duncan Racing Yamaha Banshee Parts Dominate

Our Yamaha Banshee 350 National Engine Kit is widely regarded as the best combination of power, reliability, and value available. Choose your power curve:

• XC Low-End – massive bottom-end grunt for woods and tight trails
• Midrange – the most popular for dunes, motocross, and all-day riding
• High-Rev – explosive top-end for drag, TT, and flat-track

Every kit includes PTR National-ported cylinders, Pyramid Reed Valves, MasterFlow boost-bottle intake, pre-jetted Keihin 34mm PJ carbs, Fat Boy 2 silencers, jet kit, K&N filter, and full tech support. Expect 60–70 % more peak power with 80 % stock reliability on race gas.

Want even more? Step up to our 421cc NATIONAL Pro Dune Stroker – the exact package Dirt Wheels Magazine called the “Best Duner In The World.” Massive midrange torque, modern long-travel suspension, and effortless handling make it the most addictive Banshee you’ll ever ride.

What Sets Us Apart

• Family-owned since 1977 with real-world race and dune experience
• More national and international pro wins than all competitors combined
• Full custom engine builds, porting, and turn-key machines
• Lifetime tech support and unmatched customer service

Stop settling for second-best. Upgrade your Yamaha Banshee with the parts and builds that professionals and hardcore riders choose year after year.

Shop Duncan Racing Yamaha Banshee parts and kits now or call 619-258-6306 for a custom build quote. Your next-level Banshee is waiting.