Moto Tassinari's VForce Reed Valve Systems have been a reference for specialists in the preparation of 2-stroke engines for more than 10 years. VForce4Ri Reed Valvex increase engine power and gas reactivity by improving the efficiency of the intake system compared to the original reed valves
Improved Vforce4 features :
Suitable for:
YAMAHA YZ 85 (CB04) 85 2003
YAMAHA YZ 85 (CB04) 85 2002
YAMAHA YZ 85 (CB04) 85 2001
YAMAHA YZ 85 (CB07) 85 2004
YAMAHA YZ 85 (CB09) 85 2012
YAMAHA YZ 85 (CB09) 85 2011
YAMAHA YZ 85 (CB09) 85 2010
YAMAHA YZ 85 (CB09) 85 2009
YAMAHA YZ 85 (CB09) 85 2008
YAMAHA YZ 85 (CB09) 85 2007
YAMAHA YZ 85 (CB09) 85 2006
YAMAHA YZ 85 (CB09) 85 2005
YAMAHA YZ 85 LW BIG WHEELS 19/16 (CB05) 85 2003
YAMAHA YZ 85 LW BIG WHEELS 19/16 (CB05) 85 2002
YAMAHA YZ 85 LW BIG WHEELS 19/16 (CB08) 85 2004
YAMAHA YZ 85 LW BIG WHEELS 19/16 (CB10) 85 2021
YAMAHA YZ 85 LW BIG WHEELS 19/16 (CB10) 85 2020
YAMAHA YZ 85 LW BIG WHEELS 19/16 (CB10) 85 2019
YAMAHA YZ 85 LW BIG WHEELS 19/16 (CB10) 85 2018
YAMAHA YZ 85 LW BIG WHEELS 19/16 (CB10) 85 2017
YAMAHA YZ 85 LW BIG WHEELS 19/16 (CB10) 85 2016
YAMAHA YZ 85 LW BIG WHEELS 19/16 (CB10) 85 2015
YAMAHA YZ 85 LW BIG WHEELS 19/16 (CB10) 85 2014
YAMAHA YZ 85 LW BIG WHEELS 19/16 (CB10) 85 2013
YAMAHA YZ 85 LW BIG WHEELS 19/16 (CB10) 85 2012
YAMAHA YZ 85 LW BIG WHEELS 19/16 (CB10) 85 2011
YAMAHA YZ 85 LW BIG WHEELS 19/16 (CB10) 85 2010
YAMAHA YZ 85 LW BIG WHEELS 19/16 (CB10) 85 2009
YAMAHA YZ 85 LW BIG WHEELS 19/16 (CB10) 85 2008
YAMAHA YZ 85 LW BIG WHEELS 19/16 (CB10) 85 2007
YAMAHA YZ 85 LW BIG WHEELS 19/16 (CB10) 85 2006
YAMAHA YZ 85 LW BIG WHEELS 19/16 (CB10) 85 2005

V-Force, established in the early 1990s in the USA, specializes in producing high-performance reed valves and intake systems for two-stroke motorcycles and ATVs. Known for their innovative design and engineering, V-Force products enhance engine efficiency and power output. The brand is recognized for its commitment to quality and performance, making it a preferred choice among motocross and off-road enthusiasts.
| Brand | Model | Year | Name | CC |
|---|---|---|---|---|
| YAMAHA | YZ | 2002 | 85 | |
| YAMAHA | YZ | 2002 | 85 | |
| YAMAHA | YZ | 2003 | 85 | |
| YAMAHA | YZ | 2003 | 85 | |
| YAMAHA | YZ | 2004 | 85 | |
| YAMAHA | YZ | 2004 | 85 | |
| YAMAHA | YZ | 2005 | 85 | |
| YAMAHA | YZ | 2005 | 85 | |
| YAMAHA | YZ | 2006 | 85 | |
| YAMAHA | YZ | 2006 | 85 | |
| YAMAHA | YZ | 2007 | 85 | |
| YAMAHA | YZ | 2007 | 85 | |
| YAMAHA | YZ | 2008 | 85 | |
| YAMAHA | YZ | 2008 | 85 | |
| YAMAHA | YZ | 2009 | 85 | |
| YAMAHA | YZ | 2009 | 85 | |
| YAMAHA | YZ | 2010 | 85 | |
| YAMAHA | YZ | 2010 | 85 | |
| YAMAHA | YZ | 2011 | 85 | |
| YAMAHA | YZ | 2011 | 85 | |
| YAMAHA | YZ | 2012 | 85 | |
| YAMAHA | YZ | 2012 | 85 | |
| YAMAHA | YZ | 2013 | 85 | |
| YAMAHA | YZ | 2013 | 85 | |
| YAMAHA | YZ | 2014 | 85 | |
| YAMAHA | YZ | 2014 | 85 | |
| YAMAHA | YZ | 2015 | 85 | |
| YAMAHA | YZ | 2015 | 85 | |
| YAMAHA | YZ | 2016 | 85 | |
| YAMAHA | YZ | 2016 | 85 | |
| YAMAHA | YZ | 2017 | 85 | |
| YAMAHA | YZ | 2017 | 85 | |
| YAMAHA | YZ | 2018 | 85 | |
| YAMAHA | YZ | 2019 | 85 | |
| YAMAHA | YZ | 2019 | 85 | |
| YAMAHA | YZ | 2020 | 85 | |
| YAMAHA | YZ | 2020 | 85 | |
| YAMAHA | YZ | 2021 | 85 | |
| YAMAHA | YZ | 2021 | 85 | |
| YAMAHA | YZ | 2018 | 85 |
V-FORCE V-Force 4RI Reed valve system YAMAHA YZ85
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