Riva Intake Manifold Upgrade Kit Yamaha

• Enables Yamaha 1.8 Liter naturally aspirated engine to produce more horsepower by delivering increased air flow
• Precision tapered billet sleeve directly replaces restrictive mesh element in intake manifold
• Provides low end punch and mid range pull
• Quick and easy installation
• Riva testing has determined the stock ECU will compensate for increased air flow
• REQUIRES Coast Guard approved aftermarket filter kit to meet flame arrestor requirements
• These items are designed exclusively for closed course competition use ONLY. Use on public lands and/or waterways in the state of California is illegal

Shipping weight

0.14 lb

Package size

6.7 × 4 × 1.3 in

Salto part #

59-2209

Riva part #

RY12040-IMUK

In stock. Ships in 2–4 business days by ground.

Ground shipping is $14.95, free on orders over $150. Stock is checked again before your card is charged.

California: this part can’t ship to a California address.

Is it in stock?

Yes — it’s in stock right now. We check again the moment you order, before anything is charged.

How fast will it get to me?

Usually 2–4 business days by ground.

Will it fit my machine?

There’s no published vehicle fitment list for this part. Call the counter at 801-361-3010 with your year, make and model and we’ll check it with you before you order.

Is this genuine Riva?

Yes. It’s new and genuine, straight from Salto — Riva part #RY12040-IMUK.