Big Gun big40-R03 - ALL Honda XR/CRF 50/70/80/100 Rev Box

If you are looking to swap out the stock CDI box, the Big Gun Over Rev Box is an affordable alternative to highly-priced OEM replacement boxes. It increases the overall RPM limit over the stock box and advances the timing curve.

• Easy direct plug in replacement to stock CDI box
• Increases overall RPM limit
• 6 Month Limited Warranty
• Advanced timing curve

The Big Gun big40-R03 Over Rev Box is designed as an alternative to a high-priced OEM replacement CDI box. It provides a direct plug-in replacement for the stock CDI box while increasing the overall RPM limit and advancing the timing curve.

Key Features & Performance Benefits

• Direct Plug-In Replacement: Installs as a replacement for the stock CDI box.
• Increased RPM Limit: Raises the overall RPM limit over the stock box.
• Advanced Timing Curve: Advances the timing curve for revised ignition performance.
• Warranty Coverage: Includes a 6-month limited warranty.

Key Product Specifications & Technical Data

• Brand: Big Gun
• Part Number: big40-R03
• Product Type: Powersports rev box
• Application: Honda XR/CRF 50/70/80/100 models
• Replacement Type: Stock CDI box replacement
• RPM Function: Increased overall RPM limit
• Timing Function: Advanced timing curve
• Warranty: 6-month limited warranty

What's Included

One Big Gun big40-R03 Over Rev Box.

Fitment

Fits 1979 Honda XR80; 1980 Honda XR80; 1981 Honda XR100; 1981 Honda XR80; 1982 Honda XR100; 1982 Honda XR80; 1983 Honda XR100; 1983 Honda XR80; 1984 Honda XR100; and 1984 Honda XR80.

Fitments:
1979 Honda XR80 Base
1980 Honda XR80 Base
1981 Honda XR100 Base
1981 Honda XR80 Base
1982 Honda XR100 Base
1982 Honda XR80 Base
1983 Honda XR100 Base
1983 Honda XR80 Base
1984 Honda XR100 Base
1984 Honda XR80 Base
1985 Honda XR100R Base
1985 Honda XR80R Base
1986 Honda XR100R Base
1986 Honda XR80R Base
1987 Honda XR100R Base
1987 Honda XR80R Base
1988 Honda XR100R Base
1988 Honda XR80R Base
1989 Honda XR100R Base
1989 Honda XR80R Base
1990 Honda XR100R Base
1990 Honda XR80R Base
1991 Honda XR100R Base
1991 Honda XR80R Base
1992 Honda XR100R Base
1992 Honda XR80R Base
1993 Honda XR100R Base
1993 Honda XR80R Base
1994 Honda XR100R Base
1994 Honda XR80R Base
1995 Honda XR100R Base
1995 Honda XR80R Base
1996 Honda XR100R Base
1996 Honda XR80R Base
1997 Honda XR100R Base
1997 Honda XR70R Base
1997 Honda XR80R Base
1998 Honda XR100R Base
1998 Honda XR70R Base
1998 Honda XR80R Base
1999 Honda XR100R Base
1999 Honda XR70R Base
1999 Honda XR80R Base
2000 Honda XR100R Base
2000 Honda XR50R Base
2000 Honda XR70R Base
2000 Honda XR80R Base
2001 Honda XR100R Base
2001 Honda XR50R Base
2001 Honda XR70R Base
2001 Honda XR80R Base
2002 Honda XR100R Base
2002 Honda XR50R Base
2002 Honda XR70R Base
2002 Honda XR80R Base
2003 Honda CRF150F Base
2003 Honda CRF230F Base
2003 Honda XR100R Base
2003 Honda XR50R Base
2003 Honda XR70R Base
2003 Honda XR80R Base
2004 Honda CRF100F Base
2004 Honda CRF150F Base
2004 Honda CRF230F Base
2004 Honda CRF50F Base
2004 Honda CRF70F Base
2004 Honda CRF80F Base
2005 Honda CRF100F Base
2005 Honda CRF150F Base
2005 Honda CRF230F Base
2005 Honda CRF50F Base
2005 Honda CRF70F Base
2005 Honda CRF80F Base
2006 Honda CRF100F Base
2006 Honda CRF150F Base
2006 Honda CRF230F Base
2006 Honda CRF50F Base
2006 Honda CRF70F Base
2006 Honda CRF80F Base
2007 Honda CRF100F Base
2007 Honda CRF150F Base
2007 Honda CRF150R Base
2007 Honda CRF230F Base
2007 Honda CRF50F Base
2007 Honda CRF70F Base
2007 Honda CRF80F Base
2008 Honda CRF100F Base
2008 Honda CRF150F Base
2008 Honda CRF150R Base
2008 Honda CRF230F Base
2008 Honda CRF230L Base
2008 Honda CRF50F Base
2008 Honda CRF70F Base
2008 Honda CRF80F Base
2009 Honda CRF100F Base
2009 Honda CRF150F Base
2009 Honda CRF150R Base
2009 Honda CRF230F Base
2009 Honda CRF230L Base
2009 Honda CRF230M Base
2009 Honda CRF50F Base
2009 Honda CRF70F Base
2009 Honda CRF80F Base
2010 Honda CRF150R Base
2011 Honda CRF100F Base
2011 Honda CRF150R Base
2011 Honda CRF50F Base
2011 Honda CRF70F Base
2011 Honda CRF80F Base
2012 Honda CRF100F Base
2012 Honda CRF150F Base
2012 Honda CRF150R Base
2012 Honda CRF230F Base
2012 Honda CRF50F Base
2012 Honda CRF70F Base
2012 Honda CRF80F Base
2013 Honda CRF100F Base
2013 Honda CRF150F Base
2013 Honda CRF150R Base
2013 Honda CRF230F Base
2013 Honda CRF50F Base
2013 Honda CRF80F Base
2014 Honda CRF150F Base
2014 Honda CRF150R Base
2014 Honda CRF230F Base
2014 Honda CRF50F Base
2015 Honda CRF150F Base
2015 Honda CRF150R Base
2015 Honda CRF230F Base
2015 Honda CRF50F Base
2016 Honda CRF150F Base
2016 Honda CRF150R Base
2016 Honda CRF230F Base
2016 Honda CRF50F Base
2017 Honda CRF230F Base

Air Freight Prohibited: false
Not Carb Approved: true
Carb Acknowledgement Required: true
Ltl Freight Required: false
Prop 65: Unknown
Part Type: powersports
Epa: Testing
Regular Stock: t
Units Per Sku: 1