Product information
The problem
Every drop of water and every micro-impurity in gasoline reduces performance, increases consumption, and accelerates engine wear, especially in demanding use such as enduro and off-road.
The solution
12 micron real filtration: blocks fine particles before they enter the fuel system.
Locks in water: retains up to 100 ml per fill-up of gasoline.
More kilometers with less consumption: cleaner and more efficient combustion even in extreme conditions.
Maintenance-free: up to 50,000 km or 2 years of worry-free use.
Install and forget: it mounts in minutes directly from the pond plug.
H2O-Stop PRO protects your Husqvarna or KTM engine, extends the life of the fuel pump and helps you save fuel on every ride.
Next steps
Check compatibility → Choose your filter → Add it to your cart.
*Performance and savings may vary depending on fuel type and usage.
H2O-Stop PRO
Protection, performance and savings in a single filter.
The PRO version is the most complete evolution of H2O-Stop technology: it blocks water and impurities, stabilizes the flow thanks to its protective mesh, and keeps the fuel cleaner even in off-road and enduro use.
The result? A Husqvarna or KTM engine that runs better and consumes less fuel.
Why you need it
More kilometers per tank: cleaner gasoline improves combustion and reduces consumption.
Fewer unexpected expenses: pump, injectors and filter are protected.
Zero maintenance: up to 50,000 km or 2 years of continuous protection.
Made in Italy: premium materials, fully recyclable.
The PRO difference
Protective mesh: resists wear, protects the filter membrane and extends its lifespan.
12 micron real filtration: one of the finest in its category.
Up to 100 ml of water retained: prevents corrosion and power outages.
Easy installation
On most Husqvarna and KTM motorcycles, it is inserted directly through the tank cap in a few minutes.
Some models may require a minimum of skill and basic tools, but it is still a quick and accessible installation.
H2O-Stop PRO. Every fill-up cleaner. Every ride longer. Every penny better spent.
*Performance and savings may vary depending on fuel type and usage.
FAQ and technical details
The problem
Effects: irregular starts, jerking during acceleration, engine warning lights on, internal corrosion.
Components at risk: fuel pump, line filter, injectors.
Signs: noisy pump, irregular consumption, filter that gets dirty quickly.
Frequently Asked Questions
Will it work if I already have an OEM filter?
Yes. The original filter works after the pond; H2O-Stop works before, inside the tank, separating the free water.
Does it work with E5/E10 gasoline?
It reduces the inflow of free water. Water emulsified by ethanol cannot be completely removed with any pond filter.
Does it slow down fuel loading?
No. It is designed for standard dispensers; simply choose the compatible model to maintain normal flow.
|
Manufacturer |
Model |
From |
Until |
|
Husqvarna |
FR 450 RALLY |
2017 |
2024 |
|
Husqvarna |
FR 450 Rally, EU |
2019 |
2019 |
|
KTM |
450 Rally Factory Replica |
2015 |
2025 |
|
KTM |
50 JR Adventure |
2000 |
2001 |
|
KTM |
50 Junior Adventure |
2002 |
2003 |
|
KTM |
50 JUNIOR Adventure EU |
1 |
1 |
|
KTM |
50 JUNIOR Adventure EU USA |
1 |
1 |
|
KTM |
50 JUNIOR Adventure USA |
1 |
1 |
|
KTM |
50 Mini Adventure |
2000 |
2008 |
|
KTM |
50 MINI Adventure EU |
1 |
1 |
|
KTM |
50 MINI Adventure EU USA |
1 |
1 |
|
KTM |
50 Mini Adventure GS |
2002 |
2007 |
|
KTM |
50 MINI Adventure GS EU |
1 |
1 |
|
KTM |
50 Senior Adventure |
2002 |
2007 |
|
KTM |
50 Senior Adventure AC |
2007 |
2007 |
|
KTM |
50 SENIOR Adventure EU |
1 |
1 |
|
KTM |
50 SENIOR Adventure EU USA |
1 |
1 |
|
KTM |
50 SR Adventure |
2000 |
2001 |
|
KTM |
50 Supermoto EU |
1 |
1 |
|
KTM |
640 LC4 Adventure |
2001 |
2004 |
|
KTM |
520 EXC Racing Australia |
2000 |
2002 |
|
KTM |
520 EXC Racing EU |
2000 |
2002 |
|
KTM |
520 EXC Racing Six Days |
2002 |
2002 |
|
KTM |
520 EXC Racing Six Days EU |
2001 |
2002 |
|
KTM |
520 EXC Racing USA |
2000 |
2002 |
|
KTM |
520 MXC Racing |
2001 |
2002 |
|
KTM |
520 MXC Racing USA |
1 |
1 |
|
KTM |
525 EXC ATV |
2008 |
2009 |
|
KTM |
525 EXC Factory EU |
1 |
1 |
|
KTM |
525 EXC Factory Racing |
2005 |
2005 |
|
KTM |
525 EXC Factory Racing Australia |
1 |
1 |
|
KTM |
525 EXC G Racing |
2006 |
2006 |
|
KTM |
525 EXC G Racing USA |
1 |
1 |
|
KTM |
525 EXC Racing |
2003 |
2003 |
|
KTM |
640 LC4 Adventure Australia |
2003 |
2003 |
|
KTM |
525 EXC USA |
2007 |
2007 |
|
KTM |
525 MXC DESERT Racing EU |
1 |
1 |
|
KTM |
525 MXC G Racing USA |
1 |
1 |
|
KTM |
525 MXC Racing |
2003 |
2005 |
|
KTM |
525 Racing Supermoto |
2003 |
2003 |
|
KTM |
525 SC G Racing |
2006 |
2006 |
|
KTM |
525 SMR |
2004 |
2005 |
|
KTM |
525 SMR EU |
1 |
1 |
|
KTM |
620 EXC |
1994 |
1996 |
|
KTM |
620 EXC Rallye |
1996 |
1996 |
|
KTM |
620 LC4 Competition |
1998 |
1999 |
|
KTM |
620 LC4 Competition EU |
1 |
1 |
|
KTM |
620 LC4 EGS |
1998 |
1998 |
|
KTM |
620 LC4 EU |
1 |
1 |
|
KTM |
620 LC4 RallyE EU |
1 |
1 |
|
KTM |
620 LC4 SC |
1998 |
1998 |
|
KTM |
620 LC4 Super Competition |
1998 |
1999 |
|
KTM |
620 LC4 Supermoto |
1998 |
1998 |
|
KTM |
620 LC4 Supermoto EU |
1 |
1 |
|
KTM |
620 LSE |
1997 |
1997 |
|
KTM |
620 LSE 11LT BLAU EU |
1 |
1 |
|
KTM |
620 Pharaoh Rally |
1994 |
1994 |
|
KTM |
620 R |
1998 |
1998 |
|
KTM |
620 Rallye |
1997 |
1997 |
|
KTM |
620 RXC |
1995 |
1996 |
|
KTM |
620 RXC California |
1995 |
1995 |
|
KTM |
620 RXC E |
1997 |
1997 |
|
KTM |
620 RXC E USA |
1 |
1 |
|
KTM |
620 SC |
1994 |
1997 |
|
KTM |
620 SC Australia |
1 |
1 |
|
KTM |
620 SC EU |
1 |
1 |
|
KTM |
620 SC Supermoto |
2000 |
2001 |
|
KTM |
620 SC Supermoto EU |
1 |
1 |
|
KTM |
620 Six Days WP 37KW 11LT EU |
1 |
1 |
|
KTM |
620 SUP COMP 20kW EU |
1 |
1 |
|
KTM |
620 SUP COMP EU |
1 |
1 |
|
KTM |
620 SUP COMP WP 20KW EU |
1 |
1 |
|
KTM |
620 SUP COMP WP EU |
1 |
1 |
|
KTM |
620 Super COMP 4T EU |
1 |
1 |
|
KTM |
620 Super COMP WP 19kW EU |
1 |
1 |
|
KTM |
620 Super COMP WP 19kW France |
1 |
1 |
|
KTM |
620 Super Competition |
1999 |
2001 |
|
KTM |
620 Supermoto comp 20kw EU |
1 |
1 |
|
KTM |
620 TXC |
1998 |
1998 |
|
KTM |
620 TXC USA |
1 |
1 |
|
KTM |
625 LC4 Super Competition |
2002 |
2002 |
|
KTM |
625 LC4 Super Competition Supermoto |
2002 |
2002 |
|
KTM |
625 SC EU |
1 |
1 |
|
KTM |
625 SC Supermoto EU |
1 |
1 |
|
KTM |
625 SMC |
2004 |
2006 |
|
KTM |
625 SMC Australia GB |
1 |
1 |
|
KTM |
625 SMC EU |
1 |
1 |
|
KTM |
625 SMC Racing |
2004 |
2004 |
|
KTM |
625 SMC USA |
1 |
1 |
|
KTM |
640 ADV |
2006 |
2006 |
|
KTM |
640 Adventure |
2005 |
2005 |
|
KTM |
640 Adventure Australia GB |
2005 |
2007 |
|
KTM |
640 Adventure EU |
2005 |
2007 |
|
KTM |
640 Adventure R |
1998 |
2000 |
|
KTM |
640 Adventure R Australia |
2000 |
2002 |
|
KTM |
640 Adventure R Australia GB |
2004 |
2004 |
|
KTM |
640 Adventure RD EU |
1998 |
1998 |
|
KTM |
640 Adventure R EU |
1999 |
2004 |
|
KTM |
640 Adventure R GB |
2002 |
2002 |
|
KTM |
640 Adventure R USA |
1999 |
2002 |
|
KTM |
640 Adventure USA |
2005 |
2007 |
|
KTM |
640 Duke |
2001 |
2005 |
|
KTM |
640 Duke E EU |
1998 |
1998 |
|
KTM |
640 Duke E GB |
1998 |
1998 |
|
KTM |
640 Duke Electric Starter Last Edition |
1998 |
1998 |
|
KTM |
640 Duke II |
2001 |
2004 |
|
KTM |
640 Duke II Australia |
2000 |
2002 |
|
KTM |
640 Duke II Duke ROT EU |
2001 |
2001 |
|
KTM |
640 Duke II EU |
2000 |
2005 |
|
KTM |
640 Duke II GB |
2000 |
2005 |
|
KTM |
640 Duke II LIME Australia |
2001 |
2001 |
|
KTM |
640 Duke II LIME EU |
1999 |
2001 |
|
KTM |
640 Duke II LIME GB |
2000 |
2001 |
|
KTM |
640 Duke II Lime USA |
2000 |
2001 |
|
KTM |
640 Duke II LIMITED ED EU |
2006 |
2006 |
|
KTM |
640 Duke II LIMITED ED GB |
2006 |
2006 |
|
KTM |
640 Duke II RED EU |
2005 |
2005 |
|
KTM |
640 Duke II RED GB |
2005 |
2005 |
|
KTM |
640 Duke II ROT GB |
2001 |
2001 |
|
KTM |
640 Duke II ROT USA |
2001 |
2001 |
|
KTM |
640 Duke II SCHWARZ EU |
2002 |
2002 |
|
KTM |
640 Duke II SCHWARZ GB |
2002 |
2002 |
|
KTM |
640 Duke II SCHWARZ MET EU |
2000 |
2000 |
|
KTM |
640 Duke II SCHWARZ USA |
2002 |
2002 |
|
KTM |
640 Duke II TITAN USA |
2001 |
2001 |
|
KTM |
640 Duke II USA |
2000 |
2002 |
|
KTM |
640 Duke II WEISS EU |
2002 |
2002 |
|
KTM |
640 Duke II YELLOW EU |
2004 |
2004 |
|
KTM |
640 Duke II YELLOW GB |
2004 |
2004 |
|
KTM |
640 Duke II Titan EU |
1999 |
1999 |
|
KTM |
640 Duke USA Australia |
2000 |
2000 |
|
KTM |
640 LC E Australia |
2000 |
2000 |
|
KTM |
640 LC4 |
1998 |
2002 |
|
KTM |
640 LC4 Adventure Australia GB |
2006 |
2006 |
|
KTM |
640 LC4 Adventure EU |
2003 |
2006 |
|
KTM |
640 LC4 Adventure R |
2000 |
2000 |
|
KTM |
640 LC4 Adventure USA |
2003 |
2006 |
|
KTM |
640 LC4 Australia |
1998 |
1999 |
|
KTM |
640 LC4 Duke 1999 |
2000 |
2000 |
|
KTM |
640 LC4 E |
2000 |
2001 |
|
KTM |
640 LC4 E 18L EU |
2002 |
2002 |
|
KTM |
640 LC4 E 18L USA |
2002 |
2002 |
|
KTM |
640 LC4 E EU |
2000 |
2001 |
|
KTM |
640 LC4 E GB |
2000 |
2001 |
|
KTM |
640 LC4 E ROT 18L USA |
2002 |
2002 |
|
KTM |
640 LC4 E ROT Australia |
2002 |
2002 |
|
KTM |
640 LC4 E ROT EU |
2002 |
2002 |
|
KTM |
640 LC4 E ROT GB |
2002 |
2002 |
|
KTM |
640 LC4 ES MOTO PRESTIGE EU |
2000 |
2000 |
|
KTM |
640 LC4 E SILBER 185Lt EU |
2000 |
2001 |
|
KTM |
640 LC4 E SILBER EU |
2000 |
2001 |
|
KTM |
640 LC4 E Six Days |
2000 |
2001 |
|
KTM |
640 LC4 E Six Days EU |
2000 |
2002 |
|
KTM |
640 LC4 E Six Days USA |
2000 |
2001 |
|
KTM |
640 LC4 E STAHLBLAU EU |
2002 |
2002 |
|
KTM |
640 LC4 E Super MOTO Australia |
2001 |
2001 |
|
KTM |
640 LC4 E Super MOTO ROT Australia |
2002 |
2002 |
|
KTM |
640 LC4 E Supermoto |
2000 |
2001 |
|
KTM |
640 LC4 E Supermoto EU |
2000 |
2001 |
|
KTM |
640 LC4 E Supermoto Prestige |
2000 |
2001 |
|
KTM |
640 LC4 E Supermoto ROT EU |
2002 |
2002 |
|
KTM |
640 LC4 E Supermoto ROT USA |
2002 |
2002 |
|
KTM |
640 LC4 E Supermoto STAHLB 02 EU |
2002 |
2002 |
|
KTM |
640 LC4 E Supermoto USA |
2000 |
2000 |
|
KTM |
640 LC4 E/mil |
1998 |
1998 |
|
KTM |
640 LC4 Enduro |
2003 |
2005 |
|
KTM |
640 LC4 Enduro 12L Australia |
2003 |
2003 |
|
KTM |
640 LC4 Enduro 12L Australia GB |
2004 |
2004 |
|
KTM |
640 LC4 Enduro 12L EU |
2003 |
2003 |
|
KTM |
640 LC4 Enduro EU |
2004 |
2006 |
|
KTM |
640 LC4 EU |
1998 |
1999 |
|
KTM |
640 LC4 GB |
1999 |
1999 |
|
KTM |
640 LC4 R |
1999 |
1999 |
|
KTM |
640 LC4 SILBER 185Lt EU |
1999 |
1999 |
|
KTM |
640 LC4 SILBER EU |
1999 |
1999 |
|
KTM |
640 LC4 Silver USA |
1999 |
2001 |
|
KTM |
640 LC4 Six Days |
1999 |
2002 |
|
KTM |
640 LC4 Six Days EU |
1999 |
1999 |
|
KTM |
640 LC4 Super MOTO USA |
2001 |
2001 |
|
KTM |
640 LC4 Supermoto |
1999 |
2005 |
|
KTM |
640 LC4 Supermoto Australia |
2003 |
2004 |
|
KTM |
640 LC4 Supermoto Australia GB |
2005 |
2006 |
|
KTM |
640 LC4 Supermoto Blue |
2005 |
2005 |
|
KTM |
640 LC4 Supermoto BLUE Australia GB |
2005 |
2005 |
|
KTM |
640 LC4 Supermoto BLUE EU |
2005 |
2005 |
|
KTM |
640 LC4 Supermoto EU |
1999 |
2006 |
|
KTM |
640 LC4 Supermoto GB |
2003 |
2005 |
|
KTM |
640 LC4 Supermoto Prestige |
2002 |
2005 |
|
KTM |
640 LC4 Supermoto PRESTIGE Australia |
2005 |
2005 |
|
KTM |
640 LC4 Supermoto PRESTIGE Australia GB |
2004 |
2006 |
|
KTM |
640 LC4 Supermoto PRESTIGE EU |
2003 |
2006 |
|
KTM |
640 LC4 USA |
1999 |
2001 |
|
KTM |
640 LS E/mil |
2000 |
2000 |
|
KTM |
640 Rallye |
1997 |
1997 |
|
KTM |
660 LC4 Rallye |
1999 |
2000 |
|
KTM |
660 Rally |
1997 |
2005 |
|
KTM |
660 Rally Customer Bike |
2001 |
2001 |
|
KTM |
660 Rally EU |
2002 |
2002 |
|
KTM |
660 Rally Factory Replica |
2003 |
2004 |
|
KTM |
660 Rally Factory Replica EU |
2003 |
2007 |
|
KTM |
660 SM Factory Replica EU |
2002 |
2002 |
|
KTM |
660 SMC |
2003 |
2005 |
|
KTM |
660 SMC Australia GB |
2004 |
2005 |
|
KTM |
660 SMC EU |
2003 |
2006 |
|
KTM |
660 SMC GB |
2003 |
2003 |
|
KTM |
660 SMS EU |
2004 |
2004 |
|
KTM |
660 Supermoto Factory Replica |
2002 |
2004 |
|
KTM |
660 Supermoto Factory Replica EU |
2003 |
2003 |
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