Moto Tassinari VForce3 Reed Valve System V3170B for Honda CR500R 1986–2001

Moto Tassinari has extracted more power and more performance from our already proven Vforce3 reed valve system design for the 85cc market, by offering the all-new Vforce3i with integrated intake boot (included on CR, RM & YZ models only). the Vforce3i shares many of the same features as it’s legendary big brother, along with these additional unique features

Increase intake efficiency and engine response with the Moto Tassinari VForce3 Reed Valve System, manufacturer part number V3170B. Designed for select Honda CR500R models from 1986 through 2001, this performance reed valve system is engineered to improve airflow, throttle response, and overall engine performance. The VForce3 design builds on Moto Tassinari’s proven reed valve technology for riders seeking dependable performance improvements in motocross and off-road applications.

The system uses a newly designed reed cage and reed stops to improve reed petal stability and provide controlled petal opening. Lighter reed petals help support quicker response and increased overall performance, while the optimized intake design promotes efficient fuel and air distribution into the engine cases. These features work together to provide smooth, consistent operation across the powerband.

Feature: Straight-shot intake design helps direct the fuel and air mixture efficiently into the engine cases.
Feature: Newly designed reed stops increase reed petal stability for controlled opening.
Feature: Shorter reed cage accommodates lighter reed petals for improved engine response.
Feature: VForce3 performance reed valve technology is engineered for increased airflow and throttle response.
Feature: Application-specific design supports proper fitment on compatible Honda CR500R models.

This Moto Tassinari VForce3 system fits Honda CR500R motorcycles from 1986, 1987, 1988, and 1989 through 2001, subject to the specific application. Verify the motorcycle model year and installation requirements before ordering. Brand: Moto Tassinari. Manufacturer part number: V3170B. Vendor part number: V3170B.

Features:

• Straight-shot intake design helps direct the fuel and air mixture efficiently into the engine cases.
• Newly designed reed stops increase reed petal stability for controlled opening.
• Shorter reed cage accommodates lighter reed petals for improved engine response.
• VForce3 reed valve technology is engineered to improve airflow and throttle response.
• Application-specific construction supports proper fitment on compatible Honda CR500R models.

Fitment:
1985 Honda CR500R
1986 Honda CR500R
1987 Honda CR500R
1988 Honda CR500R
1989 Honda CR500R
1990 Honda CR500R
1991 Honda CR500R
1992 Honda CR500R
1993 Honda CR500R
1994 Honda CR500R
1995 Honda CR500R
1996 Honda CR500R
1997 Honda CR500R
1998 Honda CR500R
1999 Honda CR500R
2000 Honda CR500R
2001 Honda CR500R